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the interaction of electron neutrino flux, originating in the rotational collapse mechanism on the first stage of supernova burst, with the lsd detector components, such as 56fe (a large amount of this metal is included in as shielding material) and liquid scintillator barnnh2n+2, is being investigated. both charged an... | interaction of electron neutrino with lsd detector |
the nozières-pines method for describing neutron scattering on a heated fermi liquid (liquid 3he) is used to calculate cross sections for inelastic neutrino scattering on the isotope 54fe, which is an element that plays a key role in the cooling of supernovae. the calculation in question is performed on the basis of th... | inelastic neutrino scattering on hot nuclei of supernova matter within the theory of finite fermi systems |
icecube has proven that its low background environment allows for the detection of mev neutrinos from core-collapse supernovae (sne). these neutrinos can reveal the time structure of the evolution of a sn and enhance our picture of these explosions. however, icecube is not able to reconstruct such neutrinos individuall... | sensitivity of multi-pmt optical modules to mev supernova neutrinos in south pole ice |
an influence of a magnetic field on beta-processes is investigated under conditions of a core-collapse supernova. for realistic magnetic fields reachable in astrophysical objects we obtain simple analytical expressions for reaction rates of beta-processes as well as the energy and momentum transferred from neutrinos an... | influence of a magnetic field on beta-processes in supernova matter |
we study the impact of the nucleon-α p -wave resonances on neutrino-pair bremsstrahlung. because of the noncentral spin-orbit interaction, these resonances lead to an enhanced contribution to the nucleon spin structure factor for temperatures t ≲4 mev. if the α -particle fraction is significant and the temperature is i... | neutrino-pair bremsstrahlung from nucleon-α versus nucleon-nucleon scattering |
when a supernova explodes, most of its energy is released in a shell of relativistic neutirnos which changes the surrounding geometry. we calculate the potentially observable responses to such a change in both pulsar scintillation and conventional interferometers. in both cases, the responses are permanent changes due ... | memory effect from supernova neutrino shells |
we review our recent calculations of neutrino-antineutrino pair production from bremsstrahlung processes in hadronic collisions at temperature and densities relevant for core-collapse supernovae. we focus on neutron-neutron and neutron-α collisions. | emission of neutrino-antineutrino pairs by hadronic bremsstrahlung processes |
we have explored the impact of sterile neutrino dark matter on core-collapse supernova explosions. we have included oscillations between electron neutrinos or mixed $\mu,\tau$ neutrinos and right-handed sterile neutrinos into a supernova model. we have chosen sterile neutrino masses and mixing angles that are consisten... | sterile neutrino dark matter and core-collapse supernovae |
we show that future observations of binary neutron star systems with electromagnetic counterparts together with the traditional probes of low- and high-redshift type ia supernovae (sne ia) can help resolve the hubble tension. the luminosity distance inferred from these probes and its scatter depend on the underlying co... | standard candles and sirens rescue h0 |
in this work the supernova neutrino (sn) charged-current interactions with gd odd isotopes (a=155 and 157) are studied. we use measured spectra and the quasiparticle-phonon model (mqpm) to calculate the charged current response of odd gd isotopes to supernova neutrinos. flux-averaged cross sections are obtained conside... | supernova neutrino scattering off gadolinium odd isotopes in water cherenkov detectors |
in recent years we started feasibility studies for joint search for gravitational waves (gws) and neutrinos from core collapse supernovae (sn) involving members of the gw and neutrino communities. this collaborative work is aimed to maximize the science out of the existing and forthcoming instruments as they monitor th... | joint search for gravitational waves and neutrinos from core-collapse supernovae |
super-kamiokande (sk) will start a new phase “sk-gd” from next year. currently, sk uses geant3 based simulation, however, its development has already stopped. for the next 10 years of sk-gd operation, updated detector simulation is essential. for diffuse supernova neutrino background search in sk-gd, precise neutron si... | geant4 based simulation study for super-kamiokande |
type ii sne, also called core-collapse supernovae have a neutrino (v) emission, as confirmed by sn 1987a, and are also potential sources of gravitational waves. neutrinos and gravitational waves from these sources reach earth almost contemporaneously and without relevant interaction with stellar matter and interstellar... | methodological studies on the search for gravitational waves and neutrinos from type ii supernovae |
the deep underground neutrino experiment (dune) experiment, a 40-kton underground liquid argon time-projection-chamber detector, will have unique sensitivity to the electron flavor component of a core-collapse supernova neutrino burst. we present the expected capabilities of dune for measurements of neutrinos in the fe... | supernova neutrinos at the dune experiment |
in this work an astrophysical simulation code, xflat, is developed to study neutrino oscillations in supernovae. xflat is a hybrid modular code which was designed to utilize multiple levels of parallelism through mpi, openmp, and simd instructions (vectorization). it can run on both the cpu and the xeon phi co-processo... | simulating nonlinear neutrino oscillations on next-generation many-core architectures |
as per simulation studies, the weak reaction rates on nickel isotopes play a substantial role in affecting the ratio of electron-to-baryon content of stellar interior during the late stages of core evolution. (anti)neutrinos are produced in weak-decay processes, and escape from the stellar content having densities less... | neutrino cooling rates due to nickel isotopes for presupernova evolution of massive stars |
we present initial results from three-dimensional simulations of parametrized core-collapse supernova (ccsn) explosions obtained with our astrophysical simulation code general astrophysical simulation system (genasis). we are interested in nonlinear flows resulting from neutrino-driven convection and the standing accre... | convection- and sasi-driven flows in parametrized models of core-collapse supernova explosions |
gamma ray heating and neutrino cooling rates, due to weak interaction processes, on sd-shell nuclei in stellar core are calculated using the proton neutron quasiparticle random phase approximation theory. the recent extensive experimental mass compilation of wang et al. (chin. phys. c 36:1603, 2012), other improved mod... | gamma ray heating and neutrino cooling rates due to weak interaction processes on sd-shell nuclei in stellar cores |
this paper is a sequel to takahashi et al., in which the authors investigated the influences of fluctuations in preshock accreting matter on the linear stability of the standing accretion shock in core-collapse supernovae (ccsne). if one understands that this was concerning the effect of the outer boundary condition fo... | linear analysis of the shock instability in core-collapse supernovae: influences of acoustic power and fluctuations of neutrino luminosity |
we have developed the astrophysical simulation code xflat to study neutrino oscillations in supernovae. xflat is designed to utilize multiple levels of parallelism through mpi, openmp, and simd instructions (vectorization). it can run on both cpu and xeon phi co-processors based on the intel many integrated core archit... | performance analysis of an astrophysical simulation code on the intel xeon phi architecture |
a quantitative understanding of neutrino-nucleus interactions is demanded to achieve precise measurement of neutrino oscillations, and hence the determination of their masses. in addition, next generation detectors will be able to detect supernovae neutrinos, which are likely to shed some light on the open questions on... | green's function monte carlo calculations of the electromagnetic and neutral-weak response functions in the quasi-elastic sector |
a massive neutrino has nonzero magnetic moment and is involved in the electromagnetic interactions with external fields and photons. the electromagnetic neutrino moving in matter can emit the spin light (slν) in the process of transition between two quantum states in matter. in quite resembling way an electron can emit... | from electromagnetic neutrinos to new electromagnetic radiation mechanism in neutrino fluxes |
the results of the time coincidences of rare events in the lvd and bust detectors are presented. the rare events could be caused by neutrino interaction in the experimental setup. the distributions of the coincidence number per day for 4-year period are obtained. | the search for coincidences of rare events using lvd and bust detectors |
first the neutrinos arrived, then the burst of light: messengers of a cataclysmic event in the galaxy next door. alak ray recounts iaus 331, a conference that celebrated the thirtieth anniversary of the supernova of a lifetime, sn1987a, and explored the critical role of asymmetry in the explosions, surroundings and ini... | iaus 331: supernova 1987a thirty years later |
abstract not available. | neutrinos in core-collapse supernovae |
this talk will briefly survey the capabilities of current detectors sensitive to supernova neutrino bursts. it will then cover recent progess in development of supernova neutrino detection techniques as well as prospects for specific future experiments. | supernova neutrino detection |
neutron stars are important because measurement of their masses and radii will determine the dense matter equation of state. they will constrain the nuclear matter symmetry energy, which controls the neutron star matter pressure and the interior composition, and will influence the interpretation of nuclear experiments.... | neutron star physics and eos |
we present results from an ab initio three-dimensional, multi-physics core collapse supernova simulation for the case of a 15 m⊙ progenitor. our simulation includes multi-frequency neutrino transport with state-of-the-art neutrino interactions in the “ray-by-ray” approximation, and approximate general relativity. our m... | a three-dimensional neutrino-driven core collapse supernova explosion of a 15 m⊙ star |
hyper-kamiokande (hk), a proposed one-megaton water cherenkov detector to be built in japan, is the logical continuation of the highly successful program of neutrino (astro)physics and proton decay using the water cherenkov technique. hk will search for cp violation in neutrino oscillations associated with the irreduci... | hyper-kamiokande: a next generation neutrino observatory to search for cp violation in the lepton sector |
we show that when a supernova explodes, a nearby pulsar signal goes through a very specific change. the observed period first changes smoothly, then is followed by a sudden change in the time derivative. a stable millisecond pulsar can allow us to measure such an effect. this may improve our measurement of the total en... | pulsar acceleration shifts from nearby supernova explosion |
recent work has suggested that the chirality of the amino acids could be established in the magnetic field of a nascent neutron star from a core-collapse supernova via processing by the neutrinos that would be emitted. a model is described that can be used to estimate the bulk polarization of large rotating meteoroids ... | determining amino acid chirality in the supernova neutrino processing model |
in understanding the origin of the heavy elements, the "light heavy elements" pose a particular challenge: the two neutron-capture processes, r- and s-process, cannot explain the abundances patterns seen in very old galactic halo stars. a proposed solution to this problem is the ν p-process, which takes place in the st... | nuclear reactions and the ν p-process |
known models proposed to explain the high space velocities of pulsars based on asymmetry of the transport coefficients of different sorts of neutrinos or electromagnetic radiation can be efficient only in the presence of high magnetic fields (to 1016 g) or short rotation periods for the neutron stars (of the order of 1... | the space velocities of radio pulsars |
core-collapse supernovae (ccsne) have a neutrino (v) signature confirmed by sn 1987a and are potential sources of gravitational waves (gws). vs and gws coming from these sources will reach the observer almost simultaneously and without significant interaction with interstellar matter. the expected gw signals are in the... | methodology of the joint search for gravitational wave and low energy neutrino signals from core-collapse supernovae |
within a few tens of seconds after infall, a core-collapse supernova radiates the vast majority of the binding energy of the resulting compact remnant in the form of neutrinos of all flavors. while the calculation of the number of neutrinos can be performed at different levels of sophistication, we outline an estimate ... | neutrinos from core-collapse supernovae and their detection |
the nuclear equation-of-state (eos) describing newly formed proto-neutron stars (pnss) in core-collapse supernovae (ccsne) is yet uncertain, and varying its prescription affects multimessenger signatures in ccsn simulations. focusing on the gravitational wave (gw) signal, we demonstrate the effect of varying parameter ... | equation-of-state effects on gravitational waves in core-collapse supernovae |
in addition to 18000 20-inch large pmts (lpmts), the juno experiment will use 25000 3-inch small photomultiplier tubes (spmts) to help control the non-stochastic term of the energy resolution and to improve the reconstruction of cosmic-ray muons and supernova burst neutrino events, among other benefits. the 3-inch pmts... | the 3-inch pmts of the juno experiment |
this talk will review the microphysics components essential to the modeling of compact object mergers (binary neutron stars and neutron star-black holes) as well as the birth place of neutron stars, core-collapse supernovae. i will begin with core-collapse supernovae. for these systems, the microphysics modeling has ar... | microphysical aspects of supernova and compact object merger modeling |
a massive neutrino has nonzero magnetic moment and is involved in the electromagnetic interactions with external fields and photons. the electromagnetic neutrino moving in matter can emit the spin light (slν) in the process of transition between two quantum states in matter. in quite resembling way an electron can emit... | from electromagnetic neutrinos to new electromagnetic radiation mechanism in neutrino fluxes |
we present an initial report on 160 simulations of a highly simplified model of the post-bounce core-collapse supernova environment in three spatial dimensions (3d). we set different values of a parameter characterizing the impact of nuclear dissociation at the stalled shock in order to regulate the post-shock fluid ve... | stochasticity and efficiency of convection-dominated vs. sasi-dominated supernova explosions |
neutrino driven convection is an essential process in reviving the stalled shock in core-collapse supernovae. we analyze the convective properties of a 15 m⊙ core-collapse supernova in 3d at 3 different spatial resolutions simulated using the neutrino radiation hydrodynamics code chimera. we seek to understand the impa... | neutrino driven convection in 15 m⊙ supernova models at different spatial resolutions |
first three-dimensional, first-principle simulations of core-collapse supernovae have become possible in the recent past. they demonstrate the basic viability of the neutrino-driven mechanism for powering the explosions of the majority of supernova progenitors. although a number of open questions remain to be settled, ... | 3d core-collapse supernova modeling and applications to cas a and other supernova remnants |
this version of snewpy was submitted to the journal of open source software (see pre-review and review). many thanks to the reviewers and editors! what's changed since v1.0 added multiple new models (zha_2021, fornax_2019, fornax_2021, tamborra_2014, tamborra_2014, walk_2018, walk_2019) added new togashi eos simulation... | snewpy: a data pipeline from supernova simulations to neutrino signals |
in the version of this article originally published the fig. 6 y axis label read 'mej' but should have read 'mni'. this has now been corrected. | publisher correction: hydrogen-rich supernovae beyond the neutrino-driven core-collapse paradigm |
proton rich neutrino driven winds in core-collapse supernovae can be a suitable environment for the formation of elements up to z 50 via the so called neutrino-p (νp-)process. the strength of νp-process depends on key (n,p) reactions like the 56ni(n,p)56coand64ge(n,p)64ga for which no experimental data exists. with the... | a new experimental technique for measuring (p,n) reactions relevant to the neutrino-p process in the rea3 facility |
galactic supernovae are rare, just a few per century, so it is important to be prepared. if we are, then the long-baseline detector dune could detect thousands of events, compared to the tens from sn 1987a. an important question is backgrounds from muon-induced spallation reactions. we simulate particle energy-loss pro... | muon-induced spallation backgrounds in dune |
supernova explosions are inherently asymmetric and can accelerate new-born neutron stars (nss) to hundreds of km/s. two prevailing theories to explain ns kicks are ejecta asymmetries (e.g., conservation of momentum between ns and ejecta) and anisotropic neutrino emission. observations of supernova remnants (snrs) can g... | comparing neutron star kicks to supernova remnant asymmetries |
liquid argon time projection chambers (lartpcs) have been proposed as neutrino detectors that combine both large sizes to maximize the number of neutrino interactions and detailed recording of the interaction. the readout of thousands of channels at mhz sampling rates produce images of the neutrino-nucleus interaction ... | continuous data acquisition for liquid argon time projection chamber neutrino detectors using fpga-based real-time compression algorithms |
following our paper [1], we study the effects of nonzero dirac and majorana cp violating phases on neutrino-antineutrino oscillations engendered by magnetic fields of astrophysical environments. we show that in the presence of strong magnetic fields and dense matter, nonzero cp phases can induce new resonances in neutr... | effects of nonzero majorana cp phases on oscillations of supernova neutrinos |
core-collapse supernovae are some of the most energetic events in the modern universe. they are powered by the release of gravitational binding energy that occurs when the iron core of a massive star collapses into a neutron star. by far, the majority of the energy released is radiated in neutrinos. since these neutrin... | neutrino emission from core-collapse supernovae |
we investigate the quark deconfinement phase transition in cold (t = 0) and hot β-stable hadronic matter. assuming a first-order phase transition, we calculate and compare the nucleation rate and the nucleation time due to quantum and thermal nucleation mechanisms. we show that above a threshold value of the central pr... | quark deconfinement in neutron stars and astrophysical implications |
the deep underground neutrino experiment (dune) liquid argon time projection chambers will record the burst of neutrinos from the core collapse of a massive star in the milky way neighborhood. dune's liquid argon has unique sensitivity to the electron neutrino component of the burst. this poster will describe recent pr... | supernova neutrino detection in dune |
results of the numerical simulations of the neutrino angular distribution in core-collapse supernova were analyzed. as analysis shown, the neutrino angular distribution function can be approximated by a one-parametric gaussian function. the proposed approximation describes about 90% of all neutrinos in the core-collaps... | analytical approximation of neutrino distribution function in core-collapse supernova |
the photon detection system (pds) is a subsystem detector of the deep underground neutrino experiment (dune). it measures the scintillation light signal and allows determination of the time of occurrence of an event of interest with much higher precision than charge collected from ionization in the liquid argon time pr... | calorimetric energy measurement for supernova neutrinos using the dune photon detection system |
the micro-x sounding rocket uses a transition edge sensor (tes) array to make x-ray observations. the improved energy resolution of tess compared to traditional space-based x-ray detectors brings new precision to both supernova observations and the x-ray search for sterile neutrino dark matter. current x-ray observatio... | prospects for sterile neutrino observations with the micro-x sounding rocket |
recent progress of neutrino detectors makes it possible to detect pre-sn neutrinos, which are emitted from the core of massive stars before supernova explosions. pre-sn neutrino observations will become an alarm for supernovae. we hence calculate the number luminosity and energy spectra of pre-sn neutrinos from the 15 ... | pre-supernova neutrino emission from massive stars and their detection |
we produced figures of merit that show how many neutrinos can be detected for supernovae as a function of distance and compactness. compactness is the ratio of the mass contained within the radius of the progenitor at the time of core bounce as defined by o'connor and ott (2011). this was used to quantify the sensitivi... | quantifying liquid argon neutrino detector sensitivity to supernova burst neutrinos |
we report a result of supernova neutrino burst search at kamland in a neutrino energy range of 1.8-111 mev via the inverse-beta decay (ibd). the search was performed using data from 2002 march 9th to 2020 july 17th, and the corresponding livetime is 5001.21 days. we searched for two or more sequential ibd events within... | supernova neutrino burst search at kamland |
astrobites reports on an updated neutrino detector that may be able to alert us to impending supernovae hours in advance. | a beginner's guide to predicting supernovae |
we calculate the emissivity due to neutrino-pair production in e + e - annihilation in the context of a 331 model and a left-right symmetric model in a way that can be used into realistic supernova model to evaluate the energy lost in the form of neutrinos. | emissivity of neutrinos in supernova via the pair-annihilation process beyond the standard model |
supernova explosions play a wide role in astrophysics by producing compact remnants (neutron stars, black holes) and the synthesis and injection of many heavy elements into the galaxy. because they are produced in some of the most extreme conditions in the universe, they can also probe the physics in extreme conditions... | compact remnant properties and the supernova engine |
first three-dimensional, first-principle simulations of core-collapse supernovae have become possible in the recent past. they demonstrate the basic viability of the neutrino-driven mechanism for powering the explosions of the majority of supernova progenitors. however, important questions still remain to be settled. t... | neutrino-driven explosions in 3d supernova simulations |
we explore the neutrinos from decays of stopped atmospheric muons in the earth. in terms of the atmospheric muon flux at the sea-level and the average muon range r, we derive the depth distribution of stopped muons in the earth. the stopped μ^- can be captured by different nuclei in the rock. based on the mean-life of ... | neutrinos from decays of stopped atmospheric muons in the earth |
we observed ztf candidate sn2020lls (reusch et al, gcn 27872), a possible counterpart to high-energy neutrino icecube-200530a (stein et. al, gcn 27865), using the not/alfosc spectrograph on 12 june 2020. we classify sn2020lls as a type ic supernova without broad-line features. sn2020lls was detected with forced photome... | icecube-200530a - sn2020lls likely unrelated |
i will describe recent results on the role of jets in exploding core collapse supernovae (ccsne) and in powering intermediate luminosity optical transients (ilots), and will compare the results with the most recent observations and with other theoretical studies. i will discuss new ideas of processes that become possib... | the role of jets before, during, and after explosions and in powering ilots |
the next galactic core-collapse supernova (ccsn) has already exploded, and its electromagnetic (em) waves, neutrinos, and gravitational waves (gws) may arrive at any moment. we present an extensive study on prospective detection scenarios for gws from ccsne in the milky way, large magellanic cloud, ngc 6822, m31, and m... | observing gravitational waves from the next nearby core-collapse supernova |
we derived both neutrino neutral current and charged current interactions based on random phase approximation (rpa). the rpa is treated as an extendable platform where other ``many body effect modules'', such as nucleon potential mean field corrections and collisional broadening, can be easily added. furthermore, the r... | the neutrino opacities in core-collapse supernovae: a systematic way to describe neutrino interactions for a wide range of densities at finite temperature |
the detection of two transition metals in the remnant of a supernova lends support to a mechanism for the explosion of a massive star called the neutrino-driven convective supernova engine, where a plume of hot material re-invigorates a stalled shockwave. | neutrino heating re-starts the stalled engine |
core-collapse supernovae are the end stage of massive star evolution and are central to many aspects of astrophysics. they are the birth site of both neutron stars and black holes and their shocks are responsible for spreading the products of stellar evolution throughout the galaxy and regulating star formation. despit... | two dimensional simulations of core-collapse supernovae with neutrino transport in flash |
core-collapse supernovae emit about 99% of their gravitational energy in a burst of neutrinos. detecting such a neutrino signal would provide a valuable information both on the neutrino properties and on the stellar collapse physics. the large liquid scintillator detectors used in the nova experiment provide a possibil... | detection of galactic supernova neutrinos at the nova experiment |
conventionally, neutrino-transparent nuclear matter is said to be in beta equilibrium if the electron and proton chemical potentials add up to the neutron chemical potential. we find that at temperatures above 1 mev, which are reached in neutron star mergers and supernovae, the traditional criterion of beta equilibrium... | beta equilibrium in neutron star merger conditions |
binary neutron star mergers produce thermal neutrinos that can be detected using detectors such as super-kamiokande and the dune far detector. using a software called snowglobes we can simulate a neutrino flux from a merger at 10 kpc and calculate its interaction and event distribution rates. we found that for said mer... | calculation of neutrino events in binary neutron star mergers |
the supernova early warning system (snews) is a public alert system consisting of neutrino detectors around the world. in the current era of multi-messenger astrophysics (mma), there are new opportunities for snews to optimize their science reach from the next galactic supernova beyond a simple early alert. there appea... | prototype of the supernova early warning system using hopskotch publish-subscribe system |
we searched icecube online track-like neutrino candidates (gfu) detected in a [-500,500] second interval about the ligo-virgo trigger g296853. we compared the candidate source directions of 4 temporally-coincident neutrinos to the bayestar skymap, with the following parameters: # dt[s] ra[deg] dec[deg] e[tev] sigma[deg... | ligo/virgo g296853: icecube neutrino observations |
the search for neutrinos from past supernovae is getting an upgrade as japan's super-kamiokande experiment begins adding gadolinium powder to its giant water-based detector. | powdering up for neutrinos |
about 90% mass of matter in the universe is dark matter (dm) and most of its properties remain poorly constrained since it does not interact with electromagnetic and strong forces. to constrain the properties of dm, studying its effects on stellar objects is one of the methods. in [leung et al., phys. rev. d 87, 123506... | the effects of admixed dark matter on accretion induced collapse |
the cryogenic apparatus for precision tests of argon interaction with neutrinos (captain) is an experimental program to measure critical neutrino interaction cross sections in argon for the dune long-baseline program. these cross sections are important for understanding and improving the energy resolution of measuremen... | the mini-captain neutron run and future captain program |
the cenns-10 detector is a liquid argon chamber currently running at the sns at ornl to observe nuclear recoils from coherent elastic neutrino-nucleus scattering (cevns) and is one of several technologies implemented by the coherent collaboration to measure the cevns process' dependence on nuclear size. the observation... | optimizing scintillation light collection in the cenns-10 liquid argon neutrino-nucleus scattering detector |
dune will be an underground neutrino oscillation experiment that will perform precision measurements of the pmns mixing parameters, determine unambiguously the mass ordering and discover leptonic cp violation. it also comprises a rich non-accelerator physics program as the detection of supernova neutrinos, nucleon deca... | light detection in dune dual phase |
we present a plan to dope microboone, an 85-ton active-volume liquid argon time projection chamber (lartpc) located at fermilab, with radon. microboone has been successfully detecting ~gev energy neutrinos from the booster neutrino beam since 2015, however few studies have been performed at mev energies. the associated... | doping the microboone lartpc with radon |
super-kamiokande (super-k) is the world largest water cherenkov detector built in the kamioka mine, japan. one of the most important subjects of super-k is to detect supernova neutrinos. in case of a supernova which happens near the center of our galaxy, several thousand neutrino events will be detected by super-k, and... | supernova detection at super-kamiokande |
we apply the convolution (folding) method in neutrino physics studies. we focus on its use to explore the response of some nuclear detectors to the energy spectra of laboratory neutrinos. after calculating the neutrino-nucleus cross sections (within the context of a nuclear model) for a neutrino detector, the obtained ... | computational treatment of the neutrino signals produced in nuclear detectors |
using online data from the km3net detector, we have performed a follow-up analysis of the recently reported gravitational-wave (gw) burst candidate s191110af (gcn #26222) to investigate the possibility that this burst was emitted by a core-collapse supernova (ccsn) event. km3net can detect ~10 mev neutrinos from a gala... | ligo/virgo s191110af: upper limits from km3net mev neutrino search. |
in the delayed explosion scenario of a core-collapse supernova, the accretion phase shows pronounced convective over-turns and a low-multipole hydrodynamic instability, the so-called standing accretion shock instability (sasi). neutrino signal variations from the first full-scale three-dimensional core-collapse superno... | fast-time variations of supernova neutrino fluxes and detection perspectives |
the convection-enhanced paradigm behind core-collapse supernovae (sne) invokes a multi-physics model where convection above the proto-neutron star is able to convert the energy released in the collapse to produce the violent explosions observed as sne. over the past decade, the evidence in support of this engine has gr... | studying supernovae under the current paradigm |
coherent elastic neutrino-nucleus scattering (cevns) is a neutral-current process in which a neutrino scatters off an entire nucleus, depositing a tiny recoil energy. the process is important in core-collapse supernovae and also presents an opportunity for detection of the burst of neutrinos ejected in the collapse. th... | observation of supernova neutrino bursts via cevns |
in an analysis finished at 2017-08-19 19:07:25, we searched icecube online track-like neutrino candidates (gfu) detected in a [-500,500] second interval about the ligo-virgo trigger g298389. we compared the candidate source directions of 6 temporally-coincident neutrinos to the lib skymap, with the following parameters... | ligo/virgo g298389: icecube neutrino observations |
the gravitational collapse of a massive star leads to the strong emission of gravitational waves and neutrinos during the first few seconds of the supernova event. multi-messenger observations offer, thus, a unique window on the dynamics that regulate the explosion mechanism and the physical properties of the still-for... | the impact of rotation and dynamos on the multi-messenger emission of core-collapse supernovae |
a core-collapse supernova burst (snb) releases 99% of a star's gravitational potential energy via neutrinos over a period of several seconds. these neutrinos have energies in the few to 10s of mev range. lack of knowledge of low-energy neutrino cross sections will limit the amount of physics extracted during a future s... | studying neutrino charged-current interactions in the coherent liquid argon detectors |
neutrino transport is among the most computationally intensive components of multi-physics, core-collapse supernovae (ccsne) simulations. a complete boltzmann treatment of multi-angle, multi-energy 3d neutrino transport will require sustained exascale computing and beyond. even multi-energy moments treatments of 3d neu... | towards 3d parameter space studies of ccsne with grey, two-moment neutrino transport |
a beyond-standard-model interaction between neutrinos could show up in future supernovae observations. | supernovae could confess neutrinos' secrets |
using online data from the km3net orca detector, we have performed a follow-up analysis of the recently reported gravitational-wave (gw) burst candidate s200114f (gcn #26734) to investigate the possibility that this burst was emitted by a core-collapse supernova (ccsn) event. km3net can detect ~10 mev neutrinos from a ... | ligo/virgo s200114f: constraints on a ccsn origin from km3net mev neutrino search. |
the helium and lead observatory (halo) is a dedicated supernova neutrino detector in snolab, which is built from 79 tons of surplus lead and the helium-3 neutron detectors from the sno experiment. it is sensitive primarily to electron neutrinos, and is thus complementary to water cerenkov and organic scintillation dete... | the halo / halo-2 supernova neutrino detectors |
we study the consequence of a hadron-quark phase transition in failing core-collapse supernovae, which give birth to stellar-mass black holes. in models with a range of progenitor compactness, the protoneutron star collapses and bounces for a second time due to the phase transition. however, this second bounce cannot r... | possible neutrino signature of hadron-quark phase transition in failing core-collapse supernovae |
i will report on recent calculations of neutrino-antineutrino pair production from bremsstrahlung processes in hadronic collisions and consider temperature conditions relevant for core collapse supernovae. earlier studies on bremsstrahlung from neutron-neutron collisions showed that the approximation used in typical su... | neutrino-antineutrino pair production by hadronic bremsstrahlung |
the important result of the iron core collapse simulation is the formation of the convectively unstable regions in the center and in the region of the accretion. the large region near the center suitable for the convective insatiability exists during 10 ms. in the frame of 3d hydrodynamic simulations with taking into a... | the supernova explosion and the large-scale convective instability in a proto-neutron star |
the next galactic core-collapse supernova (ccsn) has already exploded, and its electromagnetic (em) waves, neutrinos, and gravitational waves (gws) may arrive at any moment. we present an extensive study on the potential sensitivity of prospective detection scenarios for gws from ccsn sources within 5mpc, using realist... | observing gravitational waves from core-collapse supernovae in the advanced detector era |
we propose and experimentally demonstrate an efficient scheme for bidirectional and deterministic photonic communication between two remote superconducting modules. the two chips, each consists of a transmon, are connected through a one-meter long coaxial cable that is coupled to a dedicated "communication" resonator o... | deterministic bidirectional communication and remote entanglement generation between superconducting qubits |
it was recently suggested that the discrepancy between two methods of measuring the lifetime of the neutron may be a result of an unseen decay mode into a dark matter particle which is almost degenerate with the neutron. we explore the consequences of this for the properties of neutron stars, finding that their known p... | implications of neutron star properties for the existence of light dark matter |
we present the results of measurements demonstrating the efficiency of the edelweiss-iii array of cryogenic germanium detectors for direct dark matter searches. the experimental setup and the fid (fully inter-digitized) detector array is described, as well as the efficiency of the double measurement of heat and ionizat... | performance of the edelweiss-iii experiment for direct dark matter searches |
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