id stringlengths 36 36 | text stringlengths 1 1k | source stringlengths 42 191 | page int64 0 1.03k |
|---|---|---|---|
7dda58cf-1e0e-4353-a608-85f79ba6d030 | [9]O.Iwamoto etal.,“JapaneseEvaluatedNuclearDataLibrary
Version5: JENDL-5,” J.Nucl.Sci.Technol. ,vol.54,no.7,
pp. 655–692, 2023.
doi:1/zero.alt4.1/zero.alt48/zero.alt4//zero.alt4/zero.alt4223131.2/zero.alt422.21419/zero.alt43
[10]H. Hirayama et al., “EGS5 (Electron Gamma Shower
ver. 5)”, SLAC National Accelerator Labor... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5130.pdf | 3 |
faf42b6d-0f93-4f57-8ac1-683769fa132f | ISBN: 978-3-95450-252-3 ISSN: 2673-5350 doi: 10.18429/JACoW-IPAC2026-WEP5130
2564 MC5.D11: Code Developments and Simulation TechniquesWEP5130 WEP: Poster session
Content from this work may be used under the terms of the CC BY 4.0 licence (© 2026). Any distribution of this work must maintain attribution to the author(s)... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5130.pdf | 3 |
14526d5a-036d-4544-9236-f29ed75570f4 | USING ACCELERATOR TOOLBOX IN A TEACHING ENVIRONMENT
S. Werin∗, J. Björklund Svensson, F. Curbis, J. Lundquist, Lund University, Lund, Sweden
Abstract
Teaching accelerator physics is performed in many differ-
entenvironments,whereweoftenthinkintermsofthemajor
schools: CAS, USPAS or JUAS. The first encounter with
acceler... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 0 |
0ffaf71f-07f1-4c52-86ec-ca537cbd154a | access to a code that is independent of platform (Windows,
Linux, IOS) and that also connects to the scientific simu-
lations. Inthis paperwedescribe howweuseAccelerator
Toolboxfor pythonset-upinGoogleColabwithabasicGUI,
but available also for Jupyter Notebooks (see Appendix),
tuned to an application in introductory co... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 0 |
30445feb-a108-4aad-8954-5f5de23a5edd | levelatLundUnivesity. Thecurriculumhaschangedover
the years but typically included one introductory course
on bachelor level and one advanced, continuation course on
masterlevel. Thebachelorcoursehasbeenopenforstudents
in science in general, with a connection to all fields using
synchrotron radiation.
Early on simulati... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 0 |
907af272-663a-4767-9fec-b0ba774b532e | optics of different systems. However a recurrent problem
was students using different platforms (Windows, IoS or
Linux), where only Windows was supported. Winagile was
also stopped from development and getting harder to find
∗sverker.werin@maxiv.lu.sedownload locations. Thus we realized that another solution
was necess... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 0 |
f0d43ac5-f1ab-4c2f-a2a3-c652c0bcddf2 | TEACHING AND HOW IT CONNECTS TO
THE CURRICULUM AND FOLLOWING
COURSES
We strongly believe that accelerator physics is in most
scientific applications nowadays directly connected to simu-
lations. Itisthusimportanttointroducethestudentsto”real
codes” as early as possible. We also realize that many of
these codes need exc... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 0 |
903293bd-9e8d-43b6-b06e-417d409c1f95 | Forabeginningbachelorstudentinscienceprogramming
is not always a strong ability yet. While they would be able
to do basic programming, it is often not on the level to help
understanding of other complex phenomena. The program-
ming in itself will hide the opportunities for learning.
By putting an interface (Fig. 1) on ... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 0 |
d7f7394f-5f36-48dc-83c4-b7a2710fee25 | what we hoped could happen!
The course at Lund University for which this solution
was developed, Photon and neutron production for sci-
ence, has four components out of which one is accelera-
tor physics/beam dynamics. The basic concepts of matrix17th International Particle Accelerator Conference, Deauville, France JAC... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 0 |
9b9ca291-665d-4e2c-b019-a6abaadc0118 | Figure 1: Starting interfaceas in Colab.
representations,magnetelements,theequationsofmotion,
betatronoscillations,betafunctions,tunesandemittanceare
discussed. Toallowhands-ontrainingaguidedsimulation
session where the students work in groups lets the students
try the concepts.
Thestudentsshouldassembleagivenlatticewi... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 1 |
337b3d1f-377c-4ae3-9d4f-68a6434c603a | thedispersionreturnstozerointhestraightsectionsbetween
the achromats.
In the simulation the students can track individual par-
ticles down the accelerator and from this it is possible to
discuss both tunes and the relation between individual parti-
cles and the beta function envelopes. With an energy offset
onthepartic... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 1 |
51ddfb2e-a697-4252-860b-a3cb749e0ef9 | continuation course where programming is needed (also us-
ing pyAT) to create a more complete model of the MAX
IV1.5GeVringandtheninapracticallabsessionoperate
the ring, measure tunes, look at kicks, chromaticity, fre-
quency/energy changes.
STUDENT FEEDBACK
With limited statisticswecan observe that students used
PCs a... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 1 |
eaf6a8e9-bfc8-46e6-9f9c-659a9caa0c2c | celerators. It is not the main tool to study detailed and
moreadvancedphenomenainbeamdynamics,butitisin-
creasinglyusedforthe controland analysisofoperation of
accelerators. It is also easily used in connection to machine
learning applications both related to operation and diagnos-
tics. Accelerator Toolbox has initial... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 1 |
fbbe950f-ba91-4376-8166-8a4aaceae09d | asignificantsimplification. Notonlywillitmakelifeeasy
for our students at Lund University, but it also opens up
forstudents anywhere in the worldto easily get acquainted
withaccelerator simulations usinga powerful tool. Google
Colabwaschosenpartlybecausemanystudents,alsoatLund
University, receives a Google account when... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 1 |
7d76b00b-5831-4e24-87c4-79dd1b1becad | supplying training data for GAI systems. Thus we have also
assuredthatthecodecanrunonotherplatforms,howeverthis
requiresmorecomputerandprogrammingskills(traditional
python and Jupyter Notebook installation) or some minor17th International Particle Accelerator Conference, Deauville, France JACoW Publishing
ISBN: 978-3-9... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 1 |
b348bb3f-7bfa-441c-bd50-0eb07ad42e2e | complexity,inservicesawayfromthecommercialproviders,
like EU science Cloud [ 5].
Layout and Approach
Theinterfaceshouldbeascleanandsimpleaspossible.
Emphasisingthatcodingknowledgeisnotnecessary. Atthe
same time it should not completely hide the need for code.
The interface is tuned partly to the duty the students of
th... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 2 |
4f0ddb9e-affa-4cdd-9ad1-7d7d5a807163 | and initialize things” module is added to make the code
work, but is not necessary to interact with. After running
the code the different modules can be opened to investigate
thedifferentaspects. Whilethecodehasatemplatelattice
(an achromat of the old MAX I 550MeV accelerator) the
option of changing to another lattice ... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 2 |
20e7469f-1991-4e13-837e-0bf62b4aea45 | opens possibilities not only for students being newcomers
to accelelerators but also students with limited access to
computer resources anywhere worldwide.
APPENDIX - CODE
ThecodeisavailableonGitHubbothinaversionsuitable
for Colab and for a general Jupyter Notebook environment:
https://github.com/werin99/pyAT_interface... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 2 |
5eed1a74-9586-4965-9413-89ee80ebcbd3 | SLAC-PUB-8732,May2001. https://inspirehep.net/
literature/557783
[3]Accelerator Toolbox (AT), https://github.com/
atcollab/at
[4]V. Ziemann, “Hands-On Accelerator Physics Using MAT-
LAB”, CRCPress, 2019
[5]EU science Cloud, https://open-science-cloud.ec.
europa.eu17th International Particle Accelerator Conference, Deau... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5131.pdf | 2 |
6e42beba-b6d9-4410-bf7d-c351ccfeb7b2 | FAST AND ACCURATE ACCELERATOR MODELLING
WITH FLUKA CAD GEOMETRY WORKFLOW
V.Rodin∗1,2, F. Cerutti1, L. S. Esposito1, H. Guerin1, G. Hugo1, A. Lechner1, C. Theis1, V. Vlachoudis1
1CERN, Geneva, Switzerland
2Jean Monnet University, Saint-Étienne, France
Abstract
Accurate geometric representation is essential in acceler-
a... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 0 |
109f5042-5d92-41b1-96b7-ed8e5643c723 | workflow is expected to accelerate model development, par-
ticularlyforcomplexgeometries. Benchmarkcomparisons
willbepresentedbetweenFLUKAconventionalCSGgeome-
tries,FLUKACAE-meshgeometries,andanindependent
development carried out in Geant4 to support CAD surface
meshes [7]: theresultsdemonstratethatwhileCAEmeshes
intr... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 0 |
2dead9fe-9f49-4de9-939c-23813aaaeb71 | bothtime-consumingandpronetosystematicerrors. Conse-
quently,thefieldisundergoinganecessarytransitiontoward
automated,high-fidelitygeometryworkflowsbasedonCAD
and CAE methodologies.
This shift reflects not only the growing geometric com-
plexity of modern accelerator infrastructure but also the
practicalneedtomaintainc... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 0 |
a816294b-bc09-4a69-8dda-a4644ed1c4fa | mined by the chosen geometric representation. While CSG
providesamathematicallywell-definedandhistoricallyro-
∗volodymyr.rodin@cern.ch
Figure1: ExampleofPSgeometryimplementationforanex-
traction septa, a dipole magnet, a beam loss monitor, shield-
ingandtunnelinfrastructure. (Top)CADmodelrendering
withAutodeskFusion360... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 0 |
b2e5aa4b-1a65-4762-bb9e-9535d63eca35 | tryinamorepreciseway. UnlikeCSGthesemeshesarenot
guaranteed to be strictly watertight or manifold, and may
containgapsorinconsistenciesthatleadto ambiguitiesin
particle tracking.
The introduction of a CAD-to-CAE workflow since
FLUKA v4-5.0 represents a significant advancement in this
context. Multipleunstructuredmeshge... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 0 |
6e9dfc28-bcf1-4786-9d45-3784e1d9a73e | In this context, a complementary meshing script is provided
toFLUKAusers [ 10],whichleveragesopen-sourcetools,17th International Particle Accelerator Conference, Deauville, France JACoW Publishing
ISBN: 978-3-95450-252-3 ISSN: 2673-5350 doi: 10.18429/JACoW-IPAC2026-WEP5132
2568 MC5.D11: Code Developments and Simulation... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 0 |
47ad6309-9937-4534-a9ce-4ea1ee72d9da | Figure2: Tertiarycollimatorassemblygeometryimplementation. a)SimplifiedCSGimplementationofcollimatorassembly
with USRBIN scoring on the right jaw (top part of vacuum tank is fully transparent); b) CAD model of the assembly with
semi-transparent top part of vacuum tank, c) FLUKA UMESH geometry; d) Geant4 tessellated sol... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 1 |
4bdc47dd-44c4-4815-9b1e-c0b57bb2d001 | geometric fidelity at the highest level.
Toestimatetheimpactofdifferentgeometryrepresenta-
tions, benchmark comparisons are performed between clas-
sical CSG models, FLUKA CAE-based volumetric meshes,
andGeant4tessellatedsolidsbasedonthesameinitialCAD
model. ThestudyfocusesonenergydepositioninanLHC
collimator setup und... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 1 |
fc65c960-a09a-4136-b487-fd5b0dd83e39 | CSG&CAESIMULATIONBENCHMARK
To compare the performance of different geometry im-
plementation methods, we selected a medium-complexity
model of the LHC tertiary collimator. The unstructured
mesh of the collimator jaw is provided with the FLUKA
packageasanexamplegeometry. Foraquantitativecompar-
ison, averaged energy-dep... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 1 |
64ca0485-19f6-448c-96c1-5bfcd9c96af9 | and jaw assembly. For clarity, the energy-scoring resultsare shown only for the right jaw. The full CAD model of
the collimator components, shown in Fig. 2b, illustrates the
actual geometric complexity of the system. An unstruc-
tured mesh representation of the collimator (Fig. 2c) was
generatedwiththecomplementarymesh... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 1 |
52e0af66-adde-4667-9f08-8d4b4881f833 | son, the v5 framework [ 3] was adopted, allowing the use of
FLUKA hadronic physics in both simulations, while elec-
tromagnetic interactions were suppressed through high pro-
duction thresholds and mesh-based scoring was excluded
fromthebenchmark. Table1reportsresultsrelativetothe
FLUKA CSG configuration (hadronic phys... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 1 |
9aa42edd-d987-48c0-9495-a9fa7cf76904 | sellated solids support.
Study FLUKACSG FLUKAUM G4 (Tess.)
Time diff. - ×1.22 ×1.67
Aftersufficientstatisticshadbeensimulatedinallcases
(statisticaluncertaintybelow1%),theenergy-depositionpro-
filewasevaluated. AsshowninFig. 3,thethreegeometryim-
plementations are in excellent overall agreement. The small
difference ob... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 1 |
9590596d-3c45-4e3d-8a6a-0e116dd685c5 | FLUKA CSG
FLUKA UMESH
G4 TESS
G4-FLUKA inteface TESS
00.050.10.150.20.250.30.35
-80 -60 -40 -20 0 20 40 60 80Averaged energy deposition [GeV/cm3/p]
Collimator jaw length [cm]Figure3: Comparisonofaverageenergydepositioninside
the collimator jaws for all simulation methods.
Further,thishypothesiswasconfirmedbyrunningGean... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 2 |
36fa3bef-ba38-4ec7-aafd-b667e06cab62 | outdecomposingthemodelintoalargenumberofauxiliary
bodies and Boolean operations, which leads to excessive
approximation and poor performance.
A representative example is provided by the family of
curved canted-cosine-theta magnets [ 12], of which the pro-
totype dipole magnet [ 13] designed and manufactured at
CERNis s... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 2 |
d131b615-5f9f-493c-bd9d-bed101840755 | volume and intercepted by inner yoke walls. In this regime,
the exact shape of the inner aperture and yoke boundary
determinestheimpactposition,incidenceangle,andlocal
materialpathlength. Asaresult, simplifiedCSGapproxi-
mationscanshiftthepredictedlosslocationandaffectthe
calculated energy deposition.
This example show... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 2 |
3aa029fb-8db2-4555-80b5-57619cba6423 | complementary meshing tool [ 10].
SUMMARY AND OUTLOOK
A CAD-to-FLUKA workflow for accelerator applications
was presented and benchmarked against conventional geom-
etrydescriptions. UsinganLHCtertiarycollimatorasarep-
resentativeexample,FLUKACSG,FLUKAunstructured-
mesh,and Geant4 tessellated-solid modelswerecompared
un... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 2 |
4f9849b9-3a19-40c5-8137-959660a782f4 | The study also underlines that some classes of geome-
tries,especiallythosewithfree-formsurfacesandnon-trivial
topology, cannot be represented accurately in CSG without
excessive approximation. This is particularly relevant for
devices such as curved canted-cosine-theta magnets and,
more generally, for fusion component... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 2 |
f8ed4b16-49be-4394-a39b-849b9d897df5 | ISBN: 978-3-95450-252-3 ISSN: 2673-5350 doi: 10.18429/JACoW-IPAC2026-WEP5132
2570 MC5.D11: Code Developments and Simulation TechniquesWEP5132 WEP: Poster session
Content from this work may be used under the terms of the CC BY 4.0 licence (© 2026). Any distribution of this work must maintain attribution to the author(s)... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 2 |
2dfb1925-7b50-4b17-a5a6-d3479997a75f | REFERENCES
[1]FLUKA.CERN website, https://fluka.cern/
[2]C. Ahdida et al., “New capabilities of the FLUKA multi-
purpose code”, Front. Phys. , vol. 9, p. 788253, 2022.
doi:1/zero.alt4.3389/fphy.2/zero.alt421.788253
[3]G. Hugo et al., “Latest FLUKA developments”, EPJ Nucl.
Sci. Technol. , vol. 10, p. 20, 2024.
doi:1/zer... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 3 |
648a827a-5553-4fac-b367-0e0e3ac2a367 | 2016. doi:1/zero.alt4.1/zero.alt416/j.nima.2/zero.alt416./zero.alt46.125
[8]Autodesk Fusion 360, https : / / www . autodesk . com /
products/fusion-36/zero.alt4/overview
[9]Flair website, https://flair.cern/
[10]FLUKA.CERN meshing tool, https : / / fluka . cern /
tools/umesh
[11]FreeCAD website, https://www.freecad.org... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 3 |
b4d53a31-0e50-492e-ae53-0676f2b47688 | ISBN: 978-3-95450-252-3 ISSN: 2673-5350 doi: 10.18429/JACoW-IPAC2026-WEP5132
MC5.D11: Code Developments and Simulation Techniques 2571WEP: Poster session WEP5132
Content from this work may be used under the terms of the CC BY 4.0 licence (© 2026). Any distribution of this work must maintain attribution to the author(s)... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5132.pdf | 3 |
1a5ec096-dca2-4127-901f-1957a87b3e79 | THE 3D -PIC SIMULATION OF THE BEAM -PLASMA INTERACTION
INSIDE OF GABOR LENSES*
M. Droba†, 1, O. Meusel1, H. Podlech1, 2, K. I. Thoma1,
1Goethe University Frankfurt am Main, Germany
2HFHF - Helmholtz Research Academy Hesse for FAIR GSI
Helmholtzzentrum für Schwerionenforschung, Campus Frankfurt , Germany
K. ... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 0 |
69d02572-8938-485f-a12e-04dbc36d5c0d | ing waves and instabilities. Additionally, a large scale
multi- particles 3D Monte -Carlo -PIC (particle -in-cell) sim-
ulations with electrons and ions were carried out. Goal was to understand collective phenomena in non- neutral plasma
generated by passing beam in various scenarios. Up to 10
7
macroparticles were ... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 0 |
c10c2c31-a29c-4200-bb42-81420c9c61cd | clouds of sufficient densities ( n ~ 1014 m-3) can be created
at specific conditions inside of the lens . Many different
types of GL devices were built and studied in Frankfurt
University in recent years . Their main application in accel-
erator physics are space charge compensation and hadron
beam focusing ... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 0 |
782f2809-a849-4687-9927-cf6bb0e752b7 | cess. The last point also ra ises question s abou t possible act-
ing of the GL as a reservoir for the space charge compen-
sation both beam upstream and downstream in a connec-
tion with low energy beam lines. That lead also for some
reconsideration of the experiments done in the past.
Palkovic [4-6] studied fo... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 0 |
172ba903-5cea-4a3b-afff-6f1891957f9d | beam focusing with a GL at the GSI High Current Test In-
jector (HOSTI) in mid -2012. The beam phase space distri-
butions were meas ured with and without GL potential at
the end of the beam -line. Because of lost (GL off) and cap-
tured (GL on) beam particles overall efficiency was hard to
evaluate exactly . Si... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 0 |
8d986a81-ebe3-4a2f-b6ba-a097c8a91c5c | explanations and comparison between simulations and
measurements. However, this contradicts experiences from
the electron density measurements. In the following, we
present different approach, based on the knowledge of the
S-shaped initial distribution, similar to that measured at the
HOSTI direct behind ion sour... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 0 |
0d3caf18-fac3-48b4-9a4f-364d8973121b | S-shape contour, as seen in Fig. 1 (left) .
Figure 1: Input(left) and output(right) particle distribution .
GL was off and overall transmission achieve s 91,6% level.
___________________________________________
†droba@iap.uni -frankfurt.de
17th International Particle Accelerator Conference, Deauville, Fra... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 0 |
6e94a923-c812-4536-975e-eb1215c77303 | The results are summarised in Tab le 1 and showed good
agreement between measured and simulated normalised
transversal rms -emittance (in 25% interval, case 6. not in-
cluded ).
Table 1: Simulated RMS -Emittance
Nr. Magnetic
field[mT] Measured
εrms,n
[mm mrad] Simulated
εrms,n
[mm mrad]
1. 0 0.166 0.2... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 1 |
fa1c79b2-fe72-4b41-85a6-3d2f06df7bf0 | agrees with the measured one. ( Fig. 2).
Figure 2: Simulated (left) and measured (right) phase space distribution for the case 6.
Beam envelope along the beam line is depicted on Fig. 3.
There is a focal point inside the GL, which is positioned
between z=210 mm (entrance) and z=646 mm (exit)
Figure 3: Sim... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 1 |
80caf49f-1af6-4a1a-acb9-3d60a01556f9 | it means that electron density rises at larg er radius and there
will be self -reinforcing focusing effect on beam particles .
How many beam particles reaches ground electrodes de-
pend on many parameters that can vary rapidly and the GL -
operation will be highly unstable as observed in reality too.
Additional... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 1 |
11a11762-1253-4aad-9717-0a5e38da8401 | bution 2 (right). Simulation showed more particle losses
(85,7%) for the distribution 2 along the beamline.
Possible explanations of such behaviour would be a var-
iation of ion source parameters in measurements or a vari-
ation in space -charge compensations degree in the beam-
line. The last one would mean... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 1 |
aad9198a-bd8b-4304-8a29-26fd679be99e | electron distribution was considered in that case.
Dedicated large scale multi -particles 3D Monte -Carlo -
PIC-simulation campaign was started on FUCHS -Clus-
ter[10] with the goal to explain relevant collective phenom-
ena in non -neutral plasma generated by passing of an ion
beam .
Simulation code gab_lens_... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 1 |
b27098ae-3374-4e59-9f86-f7970e557041 | An electron column confined in GL2000- device have been
chosen and parameters ΦA=10 kV, B=18 mT were set . The
Uranium beam U28+ with starting relativistic velocity
β=0.155 and beam current of Ib=16 emA was injected and
transported through the electron column. Cylindrical mesh
with overall number of (Nr, Nθ, ... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 2 |
9afe0a4e-60ef-4a60-b33e-cf1957588033 | initial state. Simulation time step ∆ t=2.48⋅10-11 s was cho-
sen and electron production probability was set in ratio
10:1 between the shell surface near anode and bulk of the
electron column (with higher pr oduction in gaps between
ground and anode electrode). Simulations in the past [3]
showed that for a pure... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 2 |
6a171813-ba61-40d3-b40c-0563254d5cf8 | Figure 5: Early stage of the simulation - transversal profile
in the middle of the GL (left- up), electric field E θ (right -
up), electric field E z (left-down), beam current after pass-
ing GL(right -down). Characteristic peak -down signal was
created in particle distribution at (t=0, z=0) for diagnostics
purpo... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 2 |
12a53488-6d0c-4d61-82bb-61e0f27b9540 | passing time t b=40 ns, which means that an electron col-
umn can already react on ion beam disturbance.
Beam focusing effect in a trapped electron column is
demonstrated on Fig. 6.
Figure 6: Uranium beam (red) and electron distribution
(blue) at the initial state (left) and at the simulation time
t=150 ns (ri... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 2 |
bb44d72a-4abf-497f-8c54-07631de7f426 | the other hand, space charge compensation and the self -
field of the non- neural plasma acts on beam dynamic.
A low energy beam transport channel consisting of four
GLs was constructed at Goethe University (Fig. 7) to study
the impact the increased space- charge compensation due to
the electron reservoirs or eve... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 2 |
9562528d-6a54-46ad-b62f-d359c4267c63 | umn Trapped in a Gabor Lens Device”, in Proc. IPAC'22 ,
Bangkok, Thailand, Jun. 2022, pp. 2023 -2026 .
doi:10.18429/JACoW- IPAC2022- WEPOTK002
[2] K. Thoma, M. Droba, and O. Meusel, “Mutual interaction of 2m long electron plasma ensembles with an ion beam in
MeV range”, in Proc. IPAC'23 , Venice, Italy, May 2023,... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 2 |
0081f5cb-0f46-474a-964f-7b8a896c7a78 | [3] M. Droba, J. Rausch, K. Thoma, O. Meusel, and T. Dönges,
“Simulation study on an electron cloud and plasma waves confined in GL2000 device”, in Proc. IPAC'24 , Nashville,
TN, USA, May 2024, pp. 1702 -1705.
doi:10.18429/JACoW- IPAC2024- TUPS30
[4] J. Palkovic et al. , “Measurements on a Gabor Lens for Neu-
tr... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 3 |
ecda6869-f2a3-4b3e-afff-f541afc4b186 | GSI High Current Test Injector”, in Proc. IPAC'13 , Shang-
hai, China, May 2013, paper THPWO021, pp. 3806-3808.
[8] K. Schulte, “Studies on the focusing performance of a Ga-
bor lens depending on nonneutral plasma properties ” PhD
Thesis J. W. Goethe -University, Frankfurt am Main (2013),
urn:nbn:de:hebis:30:3- 334... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 3 |
119d8c06-44e3-49f5-9154-51940011d9ea | ISBN: 978-3-95450-252-3 ISSN: 2673-5350 doi: 10.18429/JACoW-IPAC2026-WEP5140
MC5.D12: Electron Cloud and Trapped Ion Effects 2575WEP: Poster session WEP5140
Content from this work may be used under the terms of the CC BY 4.0 licence (© 2026). Any distribution of this work must maintain attribution to the author(s), tit... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5140.pdf | 3 |
b1eb5cfb-c15b-4abe-80b3-bbba86a8975d | ION TRAPPING STUDIES AND MITIGATION STRATEGIES FOR THE EIC
ERL-BASED STRONG HADRON COOLER
R. Bi∗, R. Apsimon, Lancaster University, Lancaster, UK
N. Sereno, S. Setiniyaz, K. Deitrick
Thomas Jefferson National Accelerator Facility, Newport News, VA, USA
Abstract
An Energy Recovery Linac based strong hadron cooler
was pr... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 0 |
ea3be822-dee6-4c0b-86e2-4d12874c4f6a | over millisecond time scales, corresponding to more than
3×105electronbunches. Thesimulationsincludemodelling
of ionisation processes together with transverse electron–
iondynamics,allowingtheevolutionandaccumulationof
ions to be investigated. Analytical expressions based on
Gaussian beam distributions are used to esti... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 0 |
29ac5967-4b38-48bd-abe8-0699398cf500 | Linac (ERL)-based strong hadron cooler is a promising op-
tion because it can sustain high average current and continu-
ousoperation. However,the highrepetition rate and bunch
chargealsointroducesignificantbeam–ioncollectiveeffects.
Residual-gasionisationproducesionsthatcanaccumulate
andbecometrappedintheelectronbeampo... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 0 |
a2e849b6-1345-4c55-84cd-7dfc717d5fbc | of ion trapping and its mitigation in ERL-based coolers.
ION TRAPPING CRITERION
Iontrappingisanalysedusingalinearkick–driftmodel,
in which each bunch passage provides a transverse focusing
∗r.bi@lancaster.ac.ukkick followed by a drift over the bunch spacing 𝑆. The
corresponding kick and drift transfer matrices are
𝐾(... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 0 |
e4ede945-2fb5-4c35-a904-cca365294068 | For a uniformly spaced bunch train, the one-period trans-
fer matrix becomes
𝑀 = 𝐾(𝑎)𝐷(𝑆) = (1 𝑆
−𝑎 1−𝑎𝑆). (3)
Stable ion motion requires |Tr(𝑀)| ≤ 2 [2], leading to
0 ≤ 𝑎𝑆 ≤ 4. (4)
Ionsaretrappedwhenthisconditionissatisfied,allowing
stable confinement within the beam potential over many
bunch passages. Sin... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 0 |
693d8bde-56c7-45e4-829e-5d0947bd033b | affect the local trapping condition. The resulting critical
mass𝐴critisshowninFig. 2. Itcanbeseenthat 𝐴critremains
below the mass of H2over most of the lattice, indicating
thateventhelightestionsaretrappedoveralargefractionof
the beamline. Onlya short region of approximately 0.17m
exhibits𝐴crit> 𝐴H2, whereH+
2ions ... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 0 |
ef487820-1941-4ccd-92d9-287c8dead147 | 0 200 400 600 800
s (m)012345RMS beam size (mm)σx
σyFigure 1: Transverse RMS beam sizes 𝜎𝑥and𝜎𝑦along the
ERLbeamlineobtained fromthe BMADlattice model[ 4].
0 200 400 600 800
s (m)10−310−210−1100101Ion mass numberAcrit=min(Ax,Ay)
H+
2 (A=2)
H2O (A=18)
CO (A=28)
Figure 2: Critical ion mass 𝐴crit=min(𝐴𝑥,𝐴𝑦)along ... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 1 |
55a2ab60-100b-48b0-88d1-a810e70a3836 | ThebaselineERLcoolerlatticeproducesstronglyvarying
beam sizes and focusing strengths along the beamline.
Figure3showsthefinaltrappedionpopulationtogether
with the lattice beta functions. Ion accumulation is strongly
localised,withthelargestpopulationsinsegmentsS2–S4.
InS6andS7,beamlossisdominatedbylargebetafunctions
as... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 1 |
b0000030-824c-4f59-82c9-2bd905e4d167 | Table 1: Residual Gas Composition Used in the Simulation
Gas CO2CO CH4H2
Pressure (nTorr) 0.16 0.32 0.22 1.3Theseresultsshowthationaccumulationdevelopsover
millisecond time scales and leads to both progressive beam
loss and strong spatial non-uniformity.
Figure 3: Final trapped ion population in each interaction
segmen... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 1 |
219b6862-481e-4bd1-b9e8-90217908d65a | ISBN: 978-3-95450-252-3 ISSN: 2673-5350 doi: 10.18429/JACoW-IPAC2026-WEP5144
MC5.D12: Electron Cloud and Trapped Ion Effects 2577WEP: Poster session WEP5144
Content from this work may be used under the terms of the CC BY 4.0 licence (© 2026). Any distribution of this work must maintain attribution to the author(s), tit... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 1 |
cafeac6d-433d-4344-ac00-b5e6881736bf | MITIGATION USING BI-PERIODIC
BUNCH SPACING
Ion trapping can be mitigated by modifying the bunch
spacing, thereby altering the periodic focusing experienced
by ions. For a bi-periodic filling pattern with alternating
spacings 𝑆1and𝑆2,where𝑆1> 𝑆2,thetransverseionmo-
tionisdescribedbyakick–drift–kick–driftsequence. Th... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 2 |
f61fd31e-c8a7-4897-b523-e14db2ffc2d3 | leastonetransverseplaneoverrepeatedbunchpassages. For
agivenionspecies,thelocaltrappingconditionisevaluated
along the lattice using the position-dependent beam sizes
𝜎𝑥(𝑠)and𝜎𝑦(𝑠), shown in Figure 1. Regions where the
stabilityconditionis notsatisfiedin bothtransverseplanes
are defined as untrapped regions.
Theto... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 2 |
e3a318b7-3527-4366-ab9d-626894df83ab | effectivelysuppressiontrappingbybreakingtheperiodicfo-
cusing condition required for stable ion motion. Bi-periodic
bunchspacingthereforeprovidesasimpleandrobustmiti-
gation method for ion accumulation in ERL-based coolers.
Further studies will be required to evaluate the impact
of non-uniform bunch patterns on electro... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 2 |
3b52b309-21f4-469e-b5cc-8c7850c795a0 | been investigated using a combination of analytical mod-
ellingandlong-timemulti-bunchsimulations. Theanalytical
kick–driftmodelprovidesaclearcriterionforionstability
and shows that, under uniform bunch spacing, even light
ionssuchas H+
2canbetrappedoveralargefractionofthe
lattice due to the strong variation of beam si... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 2 |
ef082b54-d39b-4749-ae1d-16bb3e484bde | odicity of ion oscillations, splitting the stabilityregion and
substantiallyincreasingthefractionofthelatticewhereions
become unstable. The results show that stronger asymmetry
inthebunchspacingleadstoalargeruntrappedregion,high-
lighting the effectiveness of non-uniform bunch patterns in
suppressing long-term ion trap... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 2 |
54247842-8b55-40c5-b967-2b54f6b86499 | REFERENCES
[1]J. Calvey and M. Borland, “Modeling ion effects for the Ar-
gonne Advanced Photon source upgrade”, Phys. Rev. Accel.
Beams, vol. 22, p. 114403, 2019.
doi:1/zero.alt4.11/zero.alt43/PhysRevAccelBeams.22.1144/zero.alt4317th International Particle Accelerator Conference, Deauville, France JACoW Publishing
ISB... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 2 |
4ab1963b-d0c2-4f70-8af4-35f86690faa2 | [2]M. Martini, “An introduction to transverse beam dynamics
in accelerators”, CERN, Geneva, Switzerland, Rep. CERN-
PS-96-011-PA, 1996. https://cds.cern.ch/record/
31/zero.alt4/zero.alt479
[3]Y. Baconnier and G. Brianti, “The stability of ions in
bunchedbeammachines”,CERN,Geneva,Switzerland,Rep.
CERN/SPS/80-2, 1980. ht... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 3 |
d72c75fa-7fd9-4383-9a41-0f4143c32268 | [6]J.CalveyandM.Borland,“Simulationofincoherentioneffects
in electron storage rings”, Phys. Rev. Accel. Beams , vol. 24,
no. 12, p. 124401, Dec. 2021.
doi:1/zero.alt4.11/zero.alt43/PhysRevAccelBeams.24.1244/zero.alt4117th International Particle Accelerator Conference, Deauville, France JACoW Publishing
ISBN: 978-3-9545... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5144.pdf | 3 |
da0f4d66-ee05-48c6-9a93-291a4ba2091c | RECIRCULATION MODELLING FOR ENERGY-RECOVERY LINACS∗
L. Vanhecke†1, A. Latina2, T. Pieloni1, M. Seidel1,3
1École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
2CERN, Geneva, Switzerland
3Paul Scherrer Institute, Villigen PSI, Switzerland
Abstract
Aflexiblesimulationschemehasbeendevelopedasahigh-
level... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 0 |
6704a7fa-0616-455b-b0f0-124e1af672dc | approach enables realistic modelling of multi-pass beam
dynamics, including the accumulation of wakefields from
previously transported bunches. Two independent bench-
marking campaigns have been carried out. The recircu-
lation scheme has been benchmarked against MAD-Xand
Bmad/Tao , demonstrating consistent beam transp... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 0 |
bbe801e7-cbb3-47c6-8072-8b8660058804 | physics, offering high beam power and excellent beam qual-
ity while significantly reducing overall power consumption.
Simulatingthesemachinespresentsuniquecomputational
challenges, as the beam is recirculated through the same
Radio-Frequency (RF) structures over multiple passes to
enableenergyrecovery,therebycouplingt... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 0 |
164cad8e-7de7-470b-bb70-a5b68cbbbce3 | (iSAS)andtheEuropeanUnionviaitsprogramHORIZON-INFRA-2023-
TECH-01-01 under GANo.101131435
†lode.vanhecke@epfl.chMODELLING METHODS
Recirculation Model
Aflexiblerecirculationschemehasbeendevelopedand
integrated as an extension of RF-Track [3], introducing a
high-level machine controller that enables self-consistent
track... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 0 |
b9d27f57-573a-4396-b3d8-ede9f6d0759a | this description is parsed and converted into RF-Track -
compatibletrackingobjects,witheachelementmappedtoits
corresponding representation, including RF cavities, drifts,
and multipole magnets. RF cavities are constructed from
either analytical models or external electromagnetic field
maps, with automatic scaling to ma... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 0 |
9108dd5d-8b5e-4f58-9755-e3247fa8c691 | transportof arbitrarybunchtrains,where individualbunch
properties such as charge, timing, phase-space coordinates,
and initial offsets can be independently specified. This al-
lows realistic modelling of non-uniform filling patterns and
injection scenarios.
Tracking is performed using an event-driven queue. Each
bunch ... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 0 |
6ea6664e-ecb0-4f4c-904d-70fc22c011fa | dividualtrackingsteps. Inaddition,thecompletetraversal
history of each bunch is retained, enabling detailed diagnos-
tics, beam evolution studies, and analysis of recirculation
dynamics.17th International Particle Accelerator Conference, Deauville, France JACoW Publishing
ISBN: 978-3-95450-252-3 ISSN: 2673-5350 doi: 10... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 0 |
262ae902-ca10-463c-9e73-b2e6edceb239 | 𝑁Bunches
𝑏1,…,𝑏𝑁
Priority
QueueTrack𝑏𝑖
in line𝑗Next
line?Dump
Routing
Tablepop𝑏𝑖no
yes
insert𝑏𝑖
Figure1: Schematicoverviewofthe recirculationtracking
scheme.
Wakefield Model
Thewakefieldformulationforstanding-wavestructuresis
based on a modal decomposition, where the wake response
ofanelementisrepresentedasa... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 1 |
f601982a-97b2-4953-9a03-25c2bf522480 | asourcetermandatestterm. Asasourcetermtraversesthe
structure, it excites the electromagnetic modes according to
itschargeandtransversedistributionmoments. Theresult-
ingmodalamplitudesareretainedandpropagatedintime,
allowing subsequent test terms to experience the residual
wakefieldsgeneratedbyearliersourceterms. Bothl... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 1 |
bfb0e19b-e0ef-47de-83ea-f9be7cd105f7 | separating source excitation from test evaluation. Denoting
the transverse and longitudinal components by subscripts 𝑢
and𝑧respectively,
𝑊𝑘,𝑢(𝑡) = ℑ⎧{
⎨{⎩𝐴𝑘𝑒𝐵𝑘𝑡∑
𝑗𝐶𝑗𝑒−𝐵𝑘𝑡𝑗⎫}
⎬}⎭, (3)
𝑊𝑘,𝑧(𝑡) = ℜ⎧{
⎨{⎩𝐷𝑘𝑒𝐵𝑘𝑡∑
𝑗𝐸𝑗𝑒−𝐵𝑘𝑡𝑗⎫}
⎬}⎭.(4)
In Eqs.(3)and(4), the summation represents the source
... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 1 |
88863d0f-09a0-4338-af6d-b78434c9f2b0 | way,bothshort-range(intra-bunch)andlong-range(multi-
bunch) effects are preserved. The factor 𝑒𝐵𝑘𝑡corresponds
to the evaluation of the test particle. It describes how the
storedmodalamplitudeevolvesandissampledbyaparticle
arriving at time 𝑡. The coefficients 𝐴𝑘and𝐷𝑘encode the
transverseand longitudinal couplin... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 1 |
01b94dc2-95b0-446c-9c76-e59fe0da0bc3 | lowsuserstodefinecustomcollectiveeffectsasa Pythonor
Octaveclass. In this work, the interface was used to imple-
mentwakefieldeffectsthrougha Pythonclassinteracting
directly with the RF-Track C++ core, enabling transparent
integrationintotheparticle-trackingworkflowwhilepreserv-
ingcompatibilitywiththegenerallatticeand... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 1 |
718a1c30-2320-4153-a09a-a06c9c321639 | lattice(version2.4.250). Thesamelatticedescriptionandop-
tical configurations were reproduced across the three frame-
works to ensure consistency of the comparison.
Beamtransportwasfirstvalidatedonapass-by-passbasis
bycomparingkeyopticalfunctionsandtrajectoryparame-
ters. Goodagreementwasobservedintheevolutionofbeam
en... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 1 |
85ade6fd-8343-42db-aaa0-bfe53154716a | ISBN: 978-3-95450-252-3 ISSN: 2673-5350 doi: 10.18429/JACoW-IPAC2026-WEP5145
MC5.D04: Beam Coupling Impedance Theory, Simulations, Measurements, Code Development 2581WEP: Poster session WEP5145
Content from this work may be used under the terms of the CC BY 4.0 licence (© 2026). Any distribution of this work must maint... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 1 |
625ffb41-3ddd-4e04-b55d-09c777b5d849 | 025βx[m]
020βy[m]
02σx[mm]
02σy[mm]−404
−404
−404
−404∆ [%]
MAD-X Bmad/Tao RF-Track ∆(RF-Track / MAD-X) ∆(RF-Track / Bmad)
1stAcc. 2ndAcc. 3rdAcc. 1stDec. 2ndDec. 3rdDec.Figure 2: Optics comparison along the PERLE 250MeV lattice (version 2.4.250). The top strip shows the machine layout:
dipoles(blue),quadrupoles(red),a... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 2 |
f3c2a19b-be71-4192-9e93-bc90a25a0bf4 | RFcavitiesandareattributedtodifferencesintheRFcavity
models adopted by each code, in particular in the treatment
of the fringe fields.
Thisbenchmarkconfirmsthattheimplementationaccu-
ratelyreproducestheexpectedbeamtransportandrouting
in a realistic multi-pass ERL lattice, validating its use for
more advanced recirculat... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 2 |
4557fdb3-9b88-4ee6-8d3d-27db76762293 | works. The resulting wake functions and kicks were com-
pared directly between the two implementations, with close
agreementobservedacrossallcases. Deviationsinthewake
functionswerenotgreaterthan 𝒪(10−15),consistentwith
the limits of double-precision numerical precision. The
corresponding differences in kicks were sli... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 2 |
5937513f-18fe-4691-83be-d89f30efad8e | as a high-levelextensionto RF-Track . The approachcom-
binesdynamicbunchroutingwithamodalwakefieldmodel,
enabling multi-pass tracking with wakefield effects accumu-
lated across successive recirculation turns. Two benchmark-
ingcampaignsdemonstratethevalidityofboththerecircula-
tion scheme and the wakefield implementat... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 2 |
2983fc99-ac12-4f97-ac86-d2a5d5364536 | loading, and general beam dynamics in ERL and recirculat-
ing lattice configurations.
ACKNOWLEDGEMENTS
Thisworkwasperformed under the auspices of, and with
support from, the Swiss AcceleratorResearchand Technol-
ogy (CHART) program. Additionally, the authors would
liketothankthePERLEcollaborationforprovidinguseful
info... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 2 |
2bc44aa5-a7c7-4748-a723-5b237807f1e4 | REFERENCES
[1]M. Tigner, “A possible apparatus for electron clashing-beam
experiments”, Nuovo Cimento , vol. 37, pp. 1228–1231, Feb.
1965. doi:1/zero.alt4.1/zero.alt4/zero.alt47/BF/zero.alt427732/zero.alt44
[2]C. Adolphsen et al., “The Development of Energy-Recovery
Linacs”, 2022. doi:1/zero.alt4.4855/zero.alt4/arXiv.2... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 3 |
fb9f3d8b-f0d1-4be7-a1ad-14e92e0f5600 | IPAC’23, Venice, Italy, pp. 3340–3343, Sep. 2023.
doi:1/zero.alt4.18429/JACoW-IPAC2/zero.alt423-WEPL1/zero.alt41[7]D.Sagan,“Bmad:ARelativisticChargedParticleSimulation
Library”, in Proc. ICAP’04 , St. Petersburg, Russia, pp. 356–
359, Jul. 2006. doi:1/zero.alt4.1/zero.alt416/j.nima.2/zero.alt4/zero.alt45.11./zero.alt4/... | D:\Daily_ihep\Conferences\IPAC2026\WEP\WEP5145.pdf | 3 |
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