abstract
stringlengths
3
192k
title
stringlengths
4
857
accelerator based long-baseline neutrino oscillation experiments have been playing important roles in revealing the nature of neutrinos. however, it turned out that the current experiments are not sufficient to study two major remaining problems, the cp violation in the lepton sector and the mass hierarchy of neutrinos...
future long-baseline neutrino oscillations: view from asia
nova is a long-baseline accelerator-based neutrino oscillation experiment that is optimized for $\nu_e$ measurements. it uses the upgraded numi beam from fermilab and measures electron-neutrino appearance and muon-neutrino disappearance at its far detector in ash river, minnesota. the $\nu_e$ appearance analysis at nov...
recent results of electron-neutrino appearance measurement at nova
the laguna and laguna-lbno consortia have performed two detailed design studies from 2008 to 2014 to define the optimal combination of baseline and detector technology for the next generation neutrino observatory. starting from seven sites and three detector technologies the options have been prioritized with the prima...
the laguna-lbno neutrino observatory in europe
the last three years of icecube operation with the completed detector have resulted in a plethora of results, including the first observation of high energy astrophysical neutrinos, tests of a possible neutrino flux from atmospheric charm meson decay, and competitive results of neutrino oscillation from atmospheric muo...
icecube results and pingu perspectives
the nature of the neutrino mass hierarchy is one of the most interesting open questions in particle physics today, and thus has drawn a great deal of attention from the neutrino physics community. the measurement of a large mixing angle between the first and third neutrino mass eigenstates has made possible several met...
pingu and the neutrino mass hierarchy
the t2k long-baseline neutrino oscillation experiment has observed the disappearance of νμ and the appearance of νe from its νμ beam and it has accumulated 6.57×1020 protons on target, ∼ 8% of its goal pot. combining its νμ disappearance and νe appearance measurements with the results from reactor experiments, t2k has ...
initial probe of δcp by the t2k experiment with νμ disappearance and νe appearance
we discuss the present knowledge of the neutrino oscillation parameters. in a three-neutrino scenario, neutrino oscillations depend on six parameters, two squared mass differences (δm2, δm2), three mixing angles (θ 12, θ13 , θ 23) and one phase δ. while five out of these six parameters have been measured, the cp-violat...
three-neutrino mixing: status and prospects
the mass hierarchy and the cp phase are the main focus of the next generation neutrino oscillation experiments. jiangmen underground neutrino observatory (juno), as a medium baseline reactor antineutrino experiment, can determine the neutrino mass hierarchy independent of the cp phase. the physics potential on the mass...
juno: a next generation reactor antineutrino experiment
the sum of active neutrino masses is well constrained, 58 mev ≤mν≲0.23 ev , but the origin of this scale is not well understood. here we investigate the possibility that it arises by environmental selection in a large landscape of vacua. earlier work noted the detrimental effects of neutrinos on large-scale structure. ...
anthropic origin of the neutrino mass from cooling failure
the jiangmen underground neutrino observatory (juno), a 20 kton multi-purpose underground liquid scintillator detector, is under construction with the determination of the neutrino mass hierarchy as a primary physics goal. to suppress natural radioactivity and neutrons from rock, the central detector is surrounded with...
the water system and radon measurement system of juno veto detector
nova is a two-detector, neutrino oscillation experiment on an 810 km baseline in the numi beam at fermilab. numi is an off-axis, narrow-band beam centered near 1.8 gev and is configurable to send a high-purity νµ or νµ neutrino flux which passes through the nova far detector, sensitive to νµ and νµ disappearance and νe...
a measurement of ve appearance and νμ disappearance neutrino oscillations with the nova experiment
for jiangmen underground neutrino observatory the requirements < 1 % energy scale uncertainty and 3 % at 1 mev energy resolution are crucial in order to determine neutrino mass hierarchy. in this study, we focus on non-linearity due to ionization quenching and intrinsic energy resolution of the liquid scintillator. ...
the measurement of liquid scintillator nonlinear response and intrinsic energy resolution
nexo is a next-generation experiment designed to search for 0 νββ -decay of xe-136 in a liquid xenon time projection chamber. positive observation of this decay would determine the neutrino to be a majorana particle in order to greatly reduce background contributions to this search, the collaboration is developing seve...
barium tagging for nexo
we discuss the stability of the neutrino oscillation parameters at low energy scale including self-complementarity (sc) relations among mixing angles under radiative corrections with the variation of susy breaking scale ($m_s$) in both normal and inverted hierarchical cases. we observe that the neutrino oscillation par...
stability of neutrino oscillation parameters at low energy scale with the variations of susy breaking scale under renormalisation group equations
the determination of mass pattern and hierarchy is still one of the main issues of neutrino physics, relevant both for elementary-particle physics and astrophysics. the recent results in this field are briefly discussed, together with the main aspects of theoretical analysis and the perspectives of future medium baseli...
the neutrino properties and mass determination
the physical goal of the jiangmen underground neutrino observatory (juno) is to determine the neutrino mass hierarchy by precisely measuring the oscillation spectrum with 3% energy resolution at 1 mev. totally 20000 large area 20'' tubes with high photon detection efficiency will be used to achieve this motivation, inc...
tested performance of juno 20"pmts
the deep underground neutrino experiment (dune) is a long-baseline project studying an accelerator-made neutrino beam produced at fermilab. dune consists of two detectors placed in the path of the neutrino beam, one near the source and one at the stanford underground research facility, at a distance of 1300 km and prot...
the dune dual-phase liquid argon tpc
goostats is an open source project for multivariate spectrum fitting analysis for particle physics accelerated by graphic processing units. it is a middle layer between goofit, a minimization engine that can run on graphic processing units etc., and the module written by user customized for specific physics problem. th...
goostats, a multivariate spectrum fitting analysis package for particle physics accelerated by graphic processing units
neutrinos from a cc supernova will shed light on astro- and particle physics processes that leave different signatures on the \barν fluences. existing detectors are most sensitive to \barν_e, so a lead-based detector with high ν_e sensitivity would improve the characterization of the neutrino emission.halo-1kt, will be...
halo-1kt - helium and lead observatory for supernova neutrinos with high sensitivity to ν_e.
icarus is a liquid argon time projection chamber that will serve as the far detector of theshort-baseline neutrino program using the booster beamline at fermilab, and it is located 103mrad off-axis from the numi beamline. the status of the pmt based trigger system on electronand muon neutrinos from numi will be shown, ...
neutrino cross section prospects using the numi off axis at icarus
the jiangmen underground neutrino observatory (juno) is a 20kt liquid scintillator detector that will be located at kaiping, jiangmen city in south china. an energy resolution of 3% at 1 mev is required to determine the neutrino mass hierarchy (mh) by spectral analysis. in this largest liquid scintillator detector, a g...
gna fitter and detector response impact on mh sensitivity study
the jiangmen underground neutrino observatory (juno), a 20 kton multi-purpose underground liquid scintillator (ls) detector equipped with about 50k pmts, is under construction at kaiping, guangdong province in china. the primary scientific goal is to determine the neutrino mass hierarchy (mh). its unprecedented energy ...
the juno calibration systems
the juno-tao is a liquid scintillator detector that will be placed near one core of the taishan nuclear power plant of china. it is a satellite detector of the jiangmen underground neutrino observatory (juno) and will provide a precise measurement of the reactor antineutrino spectra with unprecedented accuracy in energ...
overview of the juno-tao detector
icarus, a liquid argon time projection chamber, will serve as the far detector of the short-baseline neutrino program using the booster beamline at fermilab. it is located 103 mrad off-axis from the numi beamline. prospects for cross-section measurements and the status of the trigger system using the pmt system to coll...
prospects of neutrino cross section measurements using the numi off axis at icarus
the nova experiment is a long-baseline neutrino oscillation experiment based at fermilab focused on answering the prevailing questions in neutrino physics today: the neutrino mass hierarchy, neutrino cp violation, and precision measurements of | δm322|,and θ23 through the observations of the appearance of electron neut...
a first analysis of radiation length in the nova near detector
the hyper-kamiokande (hyper-k) [1, 2] detector is a next generation underground water cherenkov detector that will serve as the far detector of a long-baseline neutrino experiment (t2hk) located in japan. t2hk is a natural extension of the very successful t2k experiment. the upgraded facilities at j-parc will deliver a...
sensitivity to the neutrino oscillation parameters in the hyper-kamiokande experiment
unresolved neutrino problems of mass hierarchy and cp violation have a more interesting interplay in neutrino phenomenology. differing from the discrete symmetry approach, this issue is pursued from the perspective of neutrino oscillation with the matter effect. the contributions from δ_{cp} and δ m^2_{31} are entangle...
dirac cp violation as a window to mass hierarchy in neutrino oscillation
the jiangmen underground neutrino observatory (juno) is a 20 kton multiple-purpose experiment with the primary goal of determining the neutrino mass hierarchy. to reach the needed physics sensitivity it is required to reduce the single trigger count rate to less than 10 hz in the fiducial volume. therefore, it is cruci...
radioactive background control for the juno experimental setup
one of the future neutrino detectors is the jiangmen underground neutrino observatory (juno) with its primary goal to determine the neutrino mass hierarchy from the oscillations of reactor antineutrinos. for this purpose, an energy resolution of 3% @ 1 mev is required. therefore, the transparency of the ls has to be su...
a liquid scintillator transparency monitoring laser system for juno
the neutrino mixing angles are predicted to be θ_{23}=-π/4 and θ_{13}=0 if the neutrino mass matrix has μ\leftrightarrowτ exchange symmetry. we need to break this symmetry to obtain a match with experimental measurements. this breaking is given by two parameters: ɛ_1 and ɛ_2 . we show that the magnitude of θ_{13} is co...
precision neutrino data confronts μ\\leftrightarrowτ symmetry
the deep underground neutrino experiment (dune) is a future accelerator based neutrino experiment hosted at fermilab with a number of proposed investigations including leptonic cp-violation, neutrino oscillation parameters, the mass hierarchy question, neutrino signals from supernovae (sn) and the existence of proton d...
the photon detection system (pds) at protodune
we present an overview of our recent investigations regarding the prospects of ongoing neutrino experiments as well as future experiments in determining few of the most important unknowns in the field of neutrino physics, specifically the neutrino mass ordering and leptonic cp-violation phase. the effect of matter osci...
neutrino experiments: hierarchy, cp, cpt
supersymmetry is a natural solution to many phenomena left unexplained by the standard model, such as the hierarchy problem that arises due to quantum corrections to the higgs boson mass. models which allow for r-parity violation (rpv) are favored by recent lepton flavor anomalies and can provide insight into the neutr...
search for b-l rpv supersymmetry through stop pair production in final states with 2 b-jets and 2 leptons using the run 2 data from the atlas detector
nova, a long-baseline neutrino oscillation experiment at fermilab, measures the neutrino oscillation parameters, the neutrino mass hierarchy and the cp violation in the lepton sector. a nominal 700kw numi beam of predominantly muon neutrinos is shot from fermilab towards the far detector in ash river, minnesota and the...
the data quality at the nova experiment
neutrinos from a cc supernova will shed light on astro- and particle physics processes that leave different signatures on the ν / \barν fluences. existing detectors are most sensitive to \barν_e , so a lead-based detector with high ν_e sensitivity would improve the characterization of the neutrino emission. halo-1kt, w...
halo-1kt - helium and lead observatory for supernova neutrinos with high sensitivity to ν_e.
the jiangmen underground neutrino observatory (juno) experiment is the next-generation neutrino experiment that aims at exploring the neutrino mass hierarchy problem. located 700 m underground in jiangmen, china, juno's central detector is an acrylic sphere filled with 20 kt of liquid scintillator with linear alkylbenz...
improved measurement of the light attenuation length of a high-quality linear alkylbenzene for the juno experiment
recent neutrino oscillation experiments have ushered in a new era with precision measurements employed in the search for cp violation and mass hierarchy. charged-current (cc) interactions are the primary detection channels for neutrino oscillation experiments. protons are one of the final state particles in neutrino cc...
protodune proton analysis
the juno (jiangmen underground neutrino observatory) is designed to determine the neutrino mass hierarchy and precisely measure oscillation parameters. the estimated data volume of raw data is about 2 pb/year. the event rate of reactor anti-neutrinos is about 60/day, while the event rate of background is about o(10) hz...
jupyter-based service for juno analysis
nova is a long-baseline neutrino oscillation experiment designed to precisely measure the neutrino mixing angles and to discover the neutrino mass hierarchy and probe leptonic cp violation by measuring the oscillation of muon (anti)neutrinos to electron (anti)neutrinos. a crucial measurable in the nova detectors is the...
the nova test beam program
event reconstruction is one of the most challenging tasks in analyzing the data from current and future large liquid argon time projection chambers (lartpcs). the performance of the event reconstruction holds the key to many potential future discoveries with the lartpc technology including i) searching for new cp viola...
wire-cell tomographic event reconstruction for large lartpcs
we develop a neutrino mass model based on a4 ×z3 flavor symmetry in the context of the nmssm extended by supersymmetric type ii seesaw mechanism (flavored-tnmssm). we show that the nmssm-singlet contributes significantly to the light neutrino masses, leading to the trimaximal neutrino mixing and providing a source for ...
neutrino and doubly charged higgs boson phenomenology in flavored-tnmssm
accelerator-based experiments have been crucial in our understanding of neutrino oscillations. in this talk, i will give an overview of current accelerator-based neutrino oscillation experiments, which have observed electron neutrino appearance and made precision measurements of the parameters governing muon neutrino d...
intense and exciting: current and future accelerator-based measurements of neutrino oscillation
t2k is a long-baseline neutrino oscillation experiment based in japan. it was the first experiment to observe νe appearance in a νμ beam, and has more recently produced the highest precision measurement of the oscillation parameter θ23 and has begun to probe the charge-parity violation phase δ. using a νμ beam disappea...
recent results from the t2k experiment
precisely measuring the large-scale structure of the universe is key to learning about fundamental physics. this thesis focuses on two of the most pressing problems in fundamental physics; massive neutrinos and dark energy, and explores what can be learnt from precise measurements of the large-scale structure of the un...
cosmoparticle constraints with large-scale structure
liquid argon time projection chamber detectors are taking center stage for the next large projects that the high-energy physics society will pursue. a series of tens of kiloton liquid argon detectors are under development to be used to measure the neutrino oscillation parameters, the cp violation in the neutrino sector...
overview of the captain program
several upcoming experiments have the ambitious goal to understand neutrino mixing, including the mass hierarchy and cp violation, to search for physics beyond the standard model. these experiments aim to reach a precision at the per-cent level, and, in order to accurately interpret these measurements, the knowledge of...
ab-initio calculation of neutrino-carbon scattering in the quasi-elastic region
neutrino mass hierarchy has a significant impact on model building and on present and future experiments. it can be investigated in medium baseline reactor experiments, like juno, whose characteristics and physics program are discussed here.
the neutrino mass ordering and the juno experiment
orca, oscillation research with cosmics in the abyss, is the low energy km3net neutrino underwater detector, located in the french mediterranean sea. it comprises a dense array of optical modules designed to detect cherenkov light emitted from charged particles resulting from neutrino interactions in the vicinity of th...
analysis of the first km3net-orca data
several upcoming experiments have the ambitious goal to understand neutrino mixing, including the mass hierarchy and cp violation, to search for physics beyond the standard model. these experiments aim to reach a precision at the per-cent level, and, in order to accurately interpret these measurements, the knowledge of...
ab-initio calculation of neutrino-carbon scattering in the quasi-elastic region
strong cp problem is known to be solved by imposing peccei-quinn symmetry. however, domain wall problem could make models invalid in many cases. we propose a model in which the pq charge is assigned quarks so as to escape this problem. in the effective model resulting after the pq symmetry breaking, both the quark mass...
roles of peccei-quinn symmetry in an effective model for dark matter and neutrino mass
introducing, in the underlying gauge theory of the standard model, the frame vectors in internal space as field variables (framons), in addition to the usual gauge boson and matter fermions fields, one obtains: * the standard higgs scalar as the framon in the electroweak sector; * a global widetilde{su}(3) symmetry dua...
the framed standard model (i) -- a physics case for framing the yang-mills theory?
the no νa experiment is a long-baseline accelerator based neutrino oscillation experiment using an upgraded numi neutrino beam from fermilab. by studying electron neutrino and antineutrino appearance, the experiment aims to determine the neutrino mass hierarchy and will provide constraints on cp violation. no νa detect...
neutral current π0 analysis in the no νa experiment
the deep underground neutrino experiment (dune) is a next-generation long-baseline neutrino experiment. among the goals of the experiment are measurements of cp violation and neutrino mass hierarchy using a high power neutrino beam produced at fermilab. the protodune-sp is a prototype of the dune far detector, located ...
study of energy resolution of protodune-sp in calorimetric measurements of electromagnetic showers
nova is a long-baseline neutrino oscillation experiment with two functionally identical detectors that use fermilab's numi beam. nova is designed to measure the neutrino mixing angles and to discover the neutrino mass hierarchy, probe leptonic cp violation by measuring the oscillation of muon (anti)neutrinos to electro...
determination of hadronic activity near the neutrino interaction vertex for the nova cross-section measurements
the paper addresses the effects of the variations of the susy breaking scale $m_s$ in the range (2-14) tev on the three neutrino masses and mixings, in running the renormalization group equations (rges) for different input values of high energy seesaw scale $m_r$, in both normal and inverted hierarchical neutrino mass ...
effects of variations of susy breaking scale on neutrino parameters at low energy scale under radiative corrections
a model of symmetry breaking is described for a system that may spontaneously choose between a left-handed and a right-handed weak current. for a hierarchic structure of the fermion mass spectrum, this mirror-symmetric system permits reproducing all qualitative properties of the weak-mixing matrices for both quarks (ck...
structures of weak-mixing matrices as a consequence of broken mirror symmetry
-1the proposed pingu project (precision icecube next generation upgrade) is supposed to determine neutrino mass hierarchy through matter effects of atmospheric neutrinos crossing the earth core and mantle, which leads to variations in the events spectrum in energy and zenith angle. the presence of non-negligible (and p...
pingu and the neutrino mass hierarchy: statistical and systematical aspects
dune is a long-baseline accelerator experiment in construction at fermilab and surf (south dakota). the scientific program encompasses the investigation of long-baseline neutrino oscillation, with a focus on the study of the cp violation and neutrino mass hierarchy, along with high sensitivity searches for rare events,...
astroparticle physics in dune with the x-arapuca detectors
in a long-baseline neutrino oscillation experiment, the primary physics objectives are to determine the neutrino mass hierarchy, to determine the octant of the neutrino mixing angle θ23, to search for cp violation in neutrino oscillation, and to precisely measure the size of any cp-violating effect that is discovered. ...
precision measurements of long-baseline neutrino oscillation at lbnf
a one-flavour naturalness argument suggests that the type i seesaw model cannot naturally explain neutrino masses and the baryon asymmetry of the universe via hierarchical thermal leptogenesis. we prove that there is no way to avoid this conclusion in a minimal three-flavour setup. we then comment on the simplest ways ...
how to avoid unnatural hierarchical thermal leptogenesis
nova is a long-baseline neutrino oscillation experiment. it measures both the disappearance of muon neutrinos and the appearance of electron neutrinos at a large distance from a source of muon neutrinos in order to constrain neutrino oscillation parameters. in particular, nova aims to precisely measure θ23 and δm322 , ...
confidence interval estimation for nova's oscillation measurements using supercomputers
t2k is a long-baseline neutrino oscillation experiment built to measure νμ disappearance and νe appearance using the j-parc neutrino beam and the super-kamiokande detector. presented here are the first results in the search for cp violation in neutrino oscillations with a combined analysis of appearance and disappearan...
latest oscillation results from t2k
project 8 is a tritium endpoint neutrino mass experiment utilizing a phased program to achieve sensitivity to the range of neutrino masses allowed by the inverted mass hierarchy. the cyclotron radiation emission spectroscopy (cres) technique is employed to measure the differential energy spectrum of decay electrons wit...
overview of project 8 and progress towards tritium operation
we build a simple standard model extension based on t 7 flavor symmetry which accommodates lepton mass, mixing with non-zero θ 13, and cp violation phase. the lepton mixing matrix is obtained from three triplets and one singlet under t 7 symmetry, and the charged-lepton mass is derived through the spontaneous symmetry ...
fermion mass and mixing in a simple extension of the standard model based on t 7 flavor symmetry
kamland-zen is an experiment searching for a neutrinoless double beta decay (0νββ-decay) using 136xe. we started the kamland-zen800 phase in 2019 and are aiming to the 0νββ-decay search in the inverted mass hierarchy. xenon spallation products, that is a newly considered background, become one of the dominant backgroun...
status of 0νββ search in kamland-zen800
with the discovery of the higgs boson in 2012 by the cms and atlas experiments, searches for new heavy particles have ensued in hope of solving the hierarchy problem. in this talk, i will be discussing the search for the x5/3, a strongly interacting fermionic partner of the top quark with charge +5/3. left-handed and r...
search for heavy fermionic partner of the top quark with charge 5/3 in the single leptonic channel using cms run 2 data
the ordering of the neutrino mass eigenstates, also addressed as mass hierarchy (mh), is one of the most relevant issues in neutrino physics, currently under investigation by many proposals and experiments. in this short note focus will be given to the different ways to determine mh from neutrino oscillation data in th...
the neutrino mass hierarchy from oscillation
the jiangmen underground neutrino observatory (juno) is a 20 kton liquid scintillator detector currently under construction near kaiping, china. it is located 650 m underground with a baseline of 53 km to two nuclear power plants. the reactor neutrinos are measured via inverse beta decay in order to determine the neutr...
studies on muon veto in the juno liquid scintillator neutrino detector
the current phase of the project 8 neutrino mass experiment seeks to utilize cyclotron radiation emission spectroscopy (cres) to obtain high-resolution measurements of electron energies from molecular tritium beta decays, with the final phase of the experiment aiming to be sensitive to the full range of masses allowed ...
progress on a demonstrator for the atomic tritium phase of project 8
orca is the low-energy branch of km3net, the next-generation research infrastructure hosting underwater cherenkov detectors in the mediterranean sea. orca’s primary goal is the determination of the neutrino mass hierarchy by measuring the matter- induced modifications on the oscillation probabilities of few-gev atmosph...
measuring the neutrino mass hierarchy with km3net/orca
nova is a long-baseline neutrino oscillation experiment intended to probe the neutrino mass hierarchy and provide constraints on cp violation in the neutrino sector. the experiment consists of a near detector at fermilab and a far detector 810 km away at ash river, minnesota, both of which receive neutrinos from the nu...
alignment of the nova detectors
supersymmetry (susy) is an extension to the standard model (sm) which introduces supersymmetric partners of the known fermions and bosons. top squark (stop) searches are a natural extension of inclusive susy searches at the lhc. if susy solves the naturalness problem, the stop should be light enough to cancel the top l...
search for a supersymmetric partner to the top quark using a multivariate analysis technique
the discovery and study of the higgs boson at the large hadron collider of cern has proven the validity of the brout–englert–higgs mechanism of mass creation in the standard model via spontaneous symmetry breaking. the new results obtained by the atlas and cms collaborations at the lhc show that all measured cross-sect...
higgs and bsm studies at the lhc
the recent development of water-based liquid scintillators (wbls) and high-resolution photosensors opens up new possibilities for large-scale detectors with sensitivity to a broad range of interesting physics. in particular, by optimizing the concentration of scintillator in a wbls, it may be possible to achieve water ...
neutrinoless double beta decay sensitivity in water-based liquid scintillator detectors
the nexo collaboration is designing a very large detector for neutrinoless double beta decay of xe136. the nexo detector is rooted in the the current exo-200 program, which has reached a sensitivity for the half-life of the decay of 1 . 9 ×1025 y with an exposure of 99.8 kg-y. the baseline nexo design assumes 5 tonnes ...
the next generation neutrinoless double-beta decay experiment nexo
high-statistics reactor neutrino experiments at medium baselines will probe mass-mixing parameters governing neutrino oscillations at long wavelength, driven by the (δm2, θ12) and at short wavelength, driven by (δm2, θ13).the interference between these two oscillations will allow to probe the mass hierarchy. the determ...
neutrino mass hierarchy and neutrino oscillation parameters with one hundred thousand reactor events
we perform a joint analysis of current data from cosmology and laboratory experiments to constrain the neutrino mass parameters in the framework of bayesian statistics, also accounting for uncertainties in nuclear modeling, relevant for neutrinoless double β decay (0v2β) searches. we find that a combination of current ...
joint constraints on neutrino masses from cosmology and particle physics
pontecorvo-maki-nakagawa-sakata (pmns) matrix is a complex symmetric matrix consisting of three generations of neutrinos and 12 real parameters. diagonalizing the neutrino mass matrix and expressing the same in terms of three neutrino masses, three mixing angles, one dirac phase and two majorana phases such that it rem...
investigating cp violating majorana phases of neutrinos
neutrino oscillations are at the center of many of the open questions about the standard model today including charge parity violation and the mass hierarchy of the three known neutrinos. the neutrino oscillation parameters of interest are a function of the energy and propagation distance of the neutrino. our ability t...
neutrino induced neutron production with microboone
the deep underground neutrino experiment (dune) is a next-generation long-baseline neutrino experiment with a 70-kt liquid argon detector at the sanford underground research facility (surf) 1300 km from fermilab. this programme includes studies of neutrino oscillations with a high-intensity muon-neutrino beam from ferm...
dune physics program and status
minos and noνa are two long-baseline neutrino experiments situated along fermilab's recently upgraded high-intensity numi neutrino source. minos has capped its long and successful run with a joint analysis of its complete beam and atmospheric neutrino and antineutrino data sets, providing new constraints on δ m322 and ...
oscillation measurements with the numi beam
nexo is a next-generation multi-ton experiment currently under development to search for neutrinoless double-beta decay of xe-136. a positive observation will determine the neutrino to be a majorana particle. in order to greatly reduce backgrounds for this search, the nexo collaboration is developing several techniques...
barium tagging for nexo in liquid and gas xenon
we present a brief overview of current plans to pursue two challenging goals, resolution of the neutrino mass hierarchy and determination of the cp phase of the pmns neutrino mixing matrix. future prospects include large atmospheric experiments, pingu, orca, and ino-ical, medium baseline reactor experiments, juno and r...
future prospects for measurements of mass hierarchy and cp violation
the pingu (precision icecube next generation upgrade) experiment is a proposed project that will probe the neutrino mass hierarchy by studying the energy and zenith spectra of atmospheric neutrinos. pingu in a few years will collect a huge statistics (o(105 events) and its sensitivity will be limited by systematics err...
neutrino mass hierarchy determination with pingu
we give a review on neutrino models in which majorana neutrino masses are generated radiatively through loop diagrams. in particular, we concentrate on the two-loop models which contain extra doubly charged singlet φ and triplet δ scalars beyond the standard model so that the new yukawa ψℓ¯rcℓr and effective ψ±±w∓w∓ co...
generating majorana neutrino masses with loops
in several frameworks for leptons sectors of two higgs doublet models, we calculate the magnetic dipole moment for different flavor types of neutrino. computations are carried out by assuming a normal hierarchy for neutrino masses, and analyzing the process ν → νγ with a charged higgs boson into the loop. the analysis ...
phenomenology of the new physics coming from 2hdms to the neutrino magnetic dipole moment
the majorana</emph> collaboration is constructing a system containing 44 kg of hpge detectors to demonstrate the feasibility and potential of a future tonne-scale experiment capable of probing the neutrino mass scale in the inverted-hierarchy region. to realize this, a major goal of majorana demonstrator is to de...
first data of the majorana demonstrator
i will report on the european landscape in neutrino physics, in the context of the appec european roadmap process of astroparticle physics, starting with the effort to determine the neutrino mass hierarchy with atmospheric neutrinos, the experiments of determination of neutrino mass in single and double beta experiment...
the european neutrino landscape
the t2k long-baseline experiment is located in japan and is designed to study oscillations of muon neutrinos. t2k obtains a beam of muon neutrinos peaked at 0.6 gev that are produced at j-parc accelerator complex by converting a beam of 30-gev protons hitting a graphite target. upon traveling 295 km, neutrinos are dete...
summary of the latest results and future prospects from the t2k experiment
we investigate physics opportunities to constraint leptonic cp-violation phase $\delta_{cp}$ through numerical analysis of working neutrino oscillation probability parameters, in the context of long base line experiments. numerical analysis of two parameters, the " transition probability $\delta_{cp}$ phase sensitivity...
studying the physics potential of long-baseline experiments in terms of new sensitivity parameters
next (neutrino experiment with a xenon tpc) is a neutrinoless double-beta (ββ0v) decay experiment at laboratorio subterraneo de canfranc (lsc). it is an electroluminescent time projection chamber filled with high pressure 136xe gas with separated function capabilities for calorimetry and tracking. energy resolution and...
the next double beta decay experiment
in the framework of a left-right model containing mirror fermions (lrmm) with gauge group su(3)c ⊗ su(2)l ⊗ su(2)r ⊗ u(1)y‧, we estimate the neutrino masses, which are found to be consistent with their experimental bounds and hierarchy. we also estimate the decay rates of heavy majorana neutrinos in the channels n →w±l...
masses and mixings of neutrinos in extended models
memphys (megaton mass physics) is a proposed large-scale water cherenkov detector to be installed deep underground. it is dedicated to nucleon decay searches, neutrinos from supernovae, solar and atmospheric neutrinos, as well as neutrinos from a future super beam or beta-beam to measure the cp violating phase in the l...
memphys: a next generation megaton water cherenkov detector in europe
nonzero of mixing angle θ13 has some phenomenological consequences on neutrino physics beyond the standard model. if the mixing angle θ13 ≠ 0, then there is the possibility of the cp violation existence on the neutrino sector. to obtain a nonzero of mixing angle θ13 from neutrino mass matrix obey μ - τ, we break it by ...
nonzero θ13 and cp violation from broken μ - τ symmetry with m1 = 0
in this talk we present our results on the sensitivity to the neutrino mass hierarchy, the octant of the mixing angle and the cp phase in the future long baseline experiments t2hk and dune as well as in the atmospheric neutrino observation at hyperkamiokande (hk).
complementarity between hyperkamiokande and dune
we study neutrino flavour oscillations in curved spacetime especially emphasising neutrino lensing in schwarzschild spacetime, and highlight the role that neutrinos lensing induced by a gravitational source can play in inferring neutrino absolute mass and mass hierarchy. further, the wave packet approach in neutrino le...
aspects of neutrino mass hierarchy in gravitational lensing
the standard model (sm) of particle physics is the most successful physical theory we have so far. nevertheless its remarkable agreement with experiment, there are many open questions which force us to go beyond the sm. in this thesis we study the possibility of an extended higgs sector, as well as a supersymmetric sea...
aspects of higgs and supersymmetry phenomenology
the jiangmen underground neutrino observatory (juno) is a medium-baseline neutrino experiment under construction in china, with the goal to determine the neutrino mass hierarchy. the juno electronics readout system consists of an underwater front-end electronics system and an outside-water back-end electronics system. ...
automatic test system of the back-end card for the juno experiment
the beginning of this thesis provides a brief guide to the notation we are going to use. after that, we present the randall-sundrum model and we outline the way it solves the hierarchy problem. to analyze the solutions the lagrangian is perturbed up to second order. we then examine the possibility for a massive gravito...
five-dimensional gravity and the weak gravity conjecture
cuore (cryogenic underground observatory for rare events) is a bolometric experiment at cryogenic temperatures currently in operation to search for neutrinoless double beta decay. successful detection of this extremely rare process requires stringent control of radioactive backgrounds of the experiment as well as the d...
cuore and background reduction case studies for cupid