Publications (91)
LUX-ZEPLIN (LZ) Technical Design Report
B. J. Mount, S. Hans, R. Rosero +259
In this Technical Design Report (TDR) we describe the LZ detector to be built at the Sanford Underground Research Facility (SURF). The LZ dark matter experiment is designed to achi…
Lowering the radioactivity of the photomultiplier tubes for the XENON1T dark matter experiment
E. Aprile, F. Agostini, M. Alfonsi +95
The low-background, VUV-sensitive 3-inch diameter photomultiplier tube R11410 has been developed by Hamamatsu for dark matter direct detection experiments using liquid xenon as the…
Projected sensitivity of the LUX-ZEPLIN experiment to the decay of Xe
D. S. Akerib, C. W. Akerlof, A. Alqahtani +189
The LUX-ZEPLIN (LZ) experiment will enable a neutrinoless double beta decay search in parallel to the main science goal of discovering dark matter particle interactions. We report…
The Data Acquisition System of the LZ Dark Matter Detector: FADR
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +213
The Data Acquisition System (DAQ) for the LUX-ZEPLIN (LZ) dark matter detector is described. The signals from 745 PMTs, distributed across three subsystems, are sampled with 100-MH…
Search for Two-Neutrino Double Electron Capture of Xe with XENON100
The XENON Collaboration, E. Aprile, J. Aalbers +114
Two-neutrino double electron capture is a rare nuclear decay where two electrons are simultaneously captured from the atomic shell. For Xe this process has not yet been obs…
Search for New Physics via Low-Energy Electron Recoils with a 4.2 Tonne\times Year Exposure from the LZ Experiment
D. S. Akerib, A. K. Al Musalhi, F. Alder +207
We report results from searches for new physics models through electron recoils using data collected by the LUX-ZEPLIN (LZ) experiment during its first two science runs, with a tot…
Pushing the Limits of Pulse Shape Discrimination in a Large Liquid Xenon Detector
D. S. Akerib, A. K. Al Musalhi, F. Alder +208
The LUX-ZEPLIN (LZ) experiment is a direct-detection dark matter experiment, optimized to search for weakly interacting massive particles (WIMPs) through WIMP-nucleon interactions.…
A Simple Model of Energy Threshold for Snowball Chambers
M. Szydagis, C. Levy, A. E. Bolotnikov +6
Cloud and bubble chambers have historically been used for particle detection, capitalizing on supersaturation and superheating, respectively. Here we present new results from a pro…
Flow-dependent tagging of Pb decays in the LZ dark matter detector
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +205
The LUX-ZEPLIN (LZ) experiment is searching for dark matter interactions in a liquid xenon time projection chamber (LXe-TPC). This article demonstrates how control of the flow stat…
Search for Event Rate Modulation in XENON100 Electronic Recoil Data
The XENON Collaboration, E. Aprile, J. Aalbers +99
We have searched for periodic variations of the electronic recoil event rate in the (2-6) keV energy range recorded between February 2011 and March 2012 with the XENON100 detector,…
Two-neutrino double electron capture of Xe in the first LUX-ZEPLIN exposure
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +202
The broad physics reach of the LUX-ZEPLIN (LZ) experiment covers rare phenomena beyond the direct detection of dark matter. We report precise measurements of the extremely rare dec…
The distributed Slow Control System of the XENON100 Experiment
E. Aprile, M. Alfonsi, K. Arisaka +72
The XENON100 experiment, in operation at the Laboratori Nazionali del Gran Sasso (LNGS) in Italy, was designed to search for evidence of dark matter interactions inside a volume of…
A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
J. Aalbers, K. Abe, V. Aerne +591
The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leadi…
Simulations of Events for the LUX-ZEPLIN (LZ) Dark Matter Experiment
ZEPLIN Collaboration, D. S. Akerib, C. W. Akerlof +194
The LUX-ZEPLIN dark matter search aims to achieve a sensitivity to the WIMP-nucleon spin-independent cross-section down to (1--2)\,pb at a WIMP mass of 40 GeV/…
New approach for jet-shape identification of TeV-scale particles at the LHC
S. Chekanov, C. Levy, J. Proudfoot +1
A new approach to jet-shape identification based on linear regression is discussed. It is designed for searches for new particles at the TeV scale decaying hadronically with strong…
The LUX-ZEPLIN (LZ) Experiment
The LZ Collaboration, D. S. Akerib, C. W. Akerlof +379
We describe the design and assembly of the LUX-ZEPLIN experiment, a direct detection search for cosmic WIMP dark matter particles. The centerpiece of the experiment is a large liqu…
Response of the XENON100 Dark Matter Detector to Nuclear Recoils
The XENON100 Collaboration, E. Aprile, M. Alfonsi +80
Results from the nuclear recoil calibration of the XENON100 dark matter detector installed underground at the Laboratori Nazionali del Gran Sasso (LNGS), Italy are presented. Data…
Analysis of the XENON100 Dark Matter Search Data
The XENON100 Collaboration, E. Aprile, M. Alfonsi +71
The XENON100 experiment, situated in the Laboratori Nazionali del Gran Sasso, aims at the direct detection of dark matter in the form of weakly interacting massive particles (WIMPs…
Extending light WIMP searches to single scintillation photons in LUX
D. S. Akerib, S. Alsum, H. M. Araújo +122
We present a novel analysis technique for liquid xenon time projection chambers that allows for a lower threshold by relying on events with a prompt scintillation signal consisting…
First Constraints on WIMP-Nucleon Effective Field Theory Couplings in an Extended Energy Region From LUX-ZEPLIN
LZ Collaboration, J. Aalbers, D. S. Akerib +197
Following the first science results of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time projection chamber operating from the Sanford Underground Research Facility in Lead,…
A very-high-energy component deep in the Gamma-ray Burst afterglow
H. Abdalla R. Adam F. Aharonian F. Ait Benkhali E. O. Anguener M. Arakawa, C. Arcaro, C. Armand +219
Gamma-ray bursts (GRBs) are brief flashes of gamma rays, considered to be the most energetic explosive phenomena in the Universe. The emission from GRBs comprises a short (typicall…
Measurements and models of enhanced recombination following inner-shell vacancies in liquid xenon
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +215
Electron-capture decays of Xe and Xe, and double-electron-capture decays of Xe, are backgrounds in searches for weakly interacting massive particles (WIMPs)…
Observation of a sudden cessation of a very-high-energy gamma-ray flare in PKS 1510-089 with H.E.S.S. and MAGIC in May 2016
H. E. S. S. Collaboration, H. Abdalla, R. Adam +430
The flat spectrum radio quasar (FSRQ) PKS 1510-089 is known for its complex multiwavelength behavior, and is one of only a few FSRQs detected at very high energy (VHE, GeV…
Searches for Light Dark Matter and Evidence of Coherent Elastic Neutrino-Nucleus Scattering of Solar Neutrinos with the LUX-ZEPLIN (LZ) Experiment
D. S. Akerib, A. K. Al Musalhi, F. Alder +217
We present searches for light dark matter (DM) with masses 3-9 GeV/ in the presence of coherent elastic neutrino-nucleus scattering (CENS) from B solar neutrinos wit…
Constraints on Low-Mass WIMP Interactions on 19F from PICASSO
The PICASSO Collaboration, S. Archambault, E. Behnke +37
Recent results from the PICASSO dark matter search experiment at SNOLAB are reported. These results were obtained using a subset of 10 detectors with a total target mass of 0.72 kg…
Comment on "On the subtleties of searching for dark matter with liquid xenon detectors"
The XENON Collaboration, E. Aprile, M. Alfonsi +74
In a recent manuscript (arXiv:1208.5046) Peter Sorensen claims that XENON100's upper limits on spin-independent WIMP-nucleon cross sections for WIMP masses below 10 GeV "may be und…
Investigating the XENON1T Low-Energy Electronic Recoil Excess Using NEST
M. Szydagis, C. Levy, G. M. Blockinger +3
The search for dark matter, the missing mass of the Universe, is one of the most active fields of study within particle physics. The XENON1T experiment recently observed a 3.5…
Cosmogenic production of Ar in the context of the LUX-ZEPLIN experiment
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +205
We estimate the amount of Ar produced in natural xenon via cosmic ray-induced spallation, an inevitable consequence of the transportation and storage of xenon on the Earth's…
A Review of Basic Energy Reconstruction Techniques in Liquid Xenon and Argon Detectors for Dark Matter and Neutrino Physics Using NEST
M. Szydagis, G. A. Block, C. Farquhar +8
Detectors based upon the noble elements, especially liquid xenon as well as liquid argon, as both single- and dual-phase types, require reconstruction of the energies of interactin…
Constraints On Covariant WIMP-Nucleon Effective Field Theory Interactions from the First Science Run of the LUX-ZEPLIN Experiment
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +201
The first science run of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time project chamber operating in the Sanford Underground Research Facility in South Dakota, USA, has re…
Identification of Radiopure Titanium for the LZ Dark Matter Experiment and Future Rare Event Searches
D. S. Akerib, C. W. Akerlof, D. Yu. Akimov +202
The LUX-ZEPLIN (LZ) experiment will search for dark matter particle interactions with a detector containing a total of 10 tonnes of liquid xenon within a double-vessel cryostat. Th…
Initial Results From the First Field Expedition of UAPx to Study Unidentified Anomalous Phenomena
M. Szydagis, K. H. Knuth, B. W. Kugielsky +1
In July 2021, faculty from the UAlbany Department of Physics participated in a week-long field expedition with the organization UAPx to collect data on UAPs in Avalon, California,…
The Design, Implementation, and Performance of the LZ Calibration Systems
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +200
LUX-ZEPLIN (LZ) is a tonne-scale experiment searching for direct dark matter interactions and other rare events. It is located at the Sanford Underground Research Facility (SURF) i…
First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment
J. Aalbers, D. S. Akerib, C. W. Akerlof +344
The LUX-ZEPLIN experiment is a dark matter detector centered on a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility in Lead, South Dak…
Constraints on the emission region of 3C 279 during strong flares in 2014 and 2015 through VHE gamma-ray observations with H.E.S.S
H. E. S. S. Collaboration, H. Abdalla, R. Adam +224
The flat spectrum radio quasar 3C 279 is known to exhibit pronounced variability in the high-energy (MeVGeV) -ray band, which is continuously monitored with Fe…
Enhancing the sensitivity of the LUX-ZEPLIN (LZ) dark matter experiment to low energy signals
D. S. Akerib, A. K. Al Musalhi, S. K. Alsum +184
Two-phase xenon detectors, such as that at the core of the forthcoming LZ dark matter experiment, use photomultiplier tubes to sense the primary (S1) and secondary (S2) scintillati…
Probing the magnetic field in the GW170817 outflow using H.E.S.S. observations
H. E. S. S. Collaboration, :, H. Abdalla +230
The detection of the first electromagnetic counterpart to the binary neutron star (BNS) merger remnant GW170817 established the connection between short -ray bursts and BNS mer…
Projected sensitivity of the LUX-ZEPLIN (LZ) experiment to the two-neutrino and neutrinoless double beta decays of Xe
The LUX-ZEPLIN, Collaboration, : +194
The projected sensitivity of the LUX-ZEPLIN (LZ) experiment to two-neutrino and neutrinoless double beta decay of Xe is presented. LZ is a 10-tonne xenon time projection ch…
A low-mass dark matter search using ionization signals in XENON100
XENON100 Collaboration, E. Aprile, J. Aalbers +108
We perform a low-mass dark matter search using an exposure of 30\,kgyr with the XENON100 detector. By dropping the requirement of a scintillation signal and using only the…
Separating source-intrinsic and Lorentz invariance violation induced delays in the very high energy emission of blazar flares
C. Levy, H. Sol, J. Bolmont
Aims: The aim of the present study is to explore how to disentangle energy-dependent time delays due to a possible Lorentz invariance violation (LIV) at Planck scale from intrinsic…
New constraints on ultraheavy dark matter from the LZ experiment
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +196
Searches for dark matter with liquid xenon time projection chamber experiments have traditionally focused on the region of the parameter space that is characteristic of weakly inte…
First Axion Results from the XENON100 Experiment
The XENON100 Collaboration, E. Aprile, F. Agostini +87
We present the first results of searches for axions and axion-like-particles with the XENON100 experiment. The axion-electron coupling constant, , has been probed by exploi…
XENON100 Dark Matter Results from a Combination of 477 Live Days
XENON100 Collaboration, E. Aprile, J. Aalbers +114
We report on WIMP search results of the XENON100 experiment, combining three runs summing up to 477 live days from January 2010 to January 2014. Data from the first two runs were a…
Projected sensitivities of the LUX-ZEPLIN (LZ) experiment to new physics via low-energy electron recoils
The LZ Collaboration, D. S. Akerib, A. K. Al Musalhi +194
LUX-ZEPLIN (LZ) is a dark matter detector expected to obtain world-leading sensitivity to weakly interacting massive particles (WIMPs) interacting via nuclear recoils with a ~7-ton…
Exclusion of Leptophilic Dark Matter Models using XENON100 Electronic Recoil Data
The XENON Collaboration, E. Aprile, F. Agostini +98
Laboratory experiments searching for galactic dark matter particles scattering off nuclei have so far not been able to establish a discovery. We use data from the XENON100 experime…
The neutron background of the XENON100 dark matter experiment
E. Aprile, M. Alfonsi, K. Arisaka +74
The XENON100 experiment, installed underground at the Laboratori Nazionali del Gran Sasso (LNGS), aims to directly detect dark matter in the form of Weakly Interacting Massive Part…
Measurement of the Muon Flux at the Sanford Underground Research Facility with the LUX-ZEPLIN Dark Matter Detector
D. S. Akerib, A. K. Al Musalhi, F. Alder +209
High-energy cosmic-ray muons reaching deep underground laboratories can cause events in detectors that mimic signals expected from dark matter particles, neutrinos, or rare decays.…
Detection of very-high-energy γ-ray emission from the colliding wind binary η Car with H.E.S.S
H. E. S. S. Collaboration, H. Abdalla, R. Adam +231
Aims. Colliding wind binary systems have long been suspected to be high-energy (HE; 100 MeV < E < 100 GeV) γ-ray emitters. η Car is the most prominent member of this object class…
Low-Energy Radon Backgrounds from Electrode Grids in Dual-Phase Xenon TPCs
D. S. Akerib, A. K. Al Musalhi, F. Alder +264
The dual-phase xenon time projection chamber (TPC) is a powerful technology to detect rare interactions such as scatters of dark matter particles on nuclei. In particular, the buil…
Study of few-electron backgrounds in the LUX-ZEPLIN detector
D. S. Akerib, A. K. Al Musalhi, F. Alder +204
The LUX-ZEPLIN (LZ) experiment aims to detect rare interactions between dark matter particles and xenon. Although the detector is designed to be the most sensitive to GeV/--Te…
Low-energy nuclear recoil calibration of the LUX-ZEPLIN experiment with a photoneutron source
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +206
The LZ experiment is a liquid xenon time-projection chamber (TPC) searching for evidence of particle dark matter interactions. In the simplest assumption of elastic scattering, man…
Resolving acceleration to very high energies along the Jet of Centaurus A
The H. E. S. S. Collaboration, :, H. Abdalla +224
The nearby radio galaxy Centaurus A belongs to a class of Active Galaxies that are very luminous at radio wavelengths. The majority of these galaxies show collimated relativistic o…
Measurement of the Gamma Ray Background in the Davis Cavern at the Sanford Underground Research Facility
D. S. Akerib, C. W. Akerlof, S. K. Alsum +164
Deep underground environments are ideal for low background searches due to the attenuation of cosmic rays by passage through the earth. However, they are affected by backgrounds fr…
Search for dark matter annihilation in the dwarf irregular galaxy WLM with H.E.S.S
H. E. S. S. Collaboration, H. Abdallah, R. Adam +232
We search for an indirect signal of dark matter through very high-energy gamma rays from the Wolf-Lundmark-Melotte (WLM) dwarf irregular galaxy. The pair annihilation of dark matte…
Physics reach of the XENON1T dark matter experiment
The XENON collaboration, E. Aprile, J. Aalbers +113
The XENON1T experiment is currently in the commissioning phase at the Laboratori Nazionali del Gran Sasso, Italy. In this article we study the experiment's expected sensitivity to…
Search for dark matter signals towards a selection of recently-detected DES dwarf galaxy satellites of the Milky Way with H.E.S.S
H. E. S. S. Collaboration, :, H. Abdallah +227
Dwarf spheroidal galaxy satellites of the Milky Way are prime targets for indirect detection of dark matter with gamma rays due to their proximity, high dark matter content and abs…
Dark Matter Results from 225 Live Days of XENON100 Data
XENON100 Collaboration, E. Aprile, M. Alfonsi +75
We report on a search for particle dark matter with the XENON100 experiment, operated at the Laboratori Nazionali del Gran Sasso (LNGS) for 13 months during 2011 and 2012. XENON100…
Dark Matter Search Results from 4.2 Tonne-Years of Exposure of the LUX-ZEPLIN (LZ) Experiment
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +215
We report results of a search for nuclear recoils induced by weakly interacting massive particle (WIMP) dark matter using the LUX-ZEPLIN (LZ) two-phase xenon time projection chambe…
A novel Kr tracer method for characterizing xenon gas and cryogenic distillation systems
S. Rosendahl, K. Bokeloh, E. Brown +9
The radioactive isomer Kr has many properties that make it very useful for various applications. Its low energy decay products, like conversion, shake-off and Auge…
Very high energy -ray emission from two blazars of unknown redshift and upper limits on their distance
H. E. S. S. Collaboration, H. Abdalla, R. Adam +225
We report on the detection of very-high-energy (VHE; GeV) -ray emission from the BL Lac objects KUV 00311-1938 and PKS 1440-389 with the High Energy Stereoscopic Syst…
Spectral action on SU_q(2)
B. Iochum, C. Levy, A. Sitarz
The spectral action on the equivariant real spectral triple over \A(SU_q(2)) is computed explicitly. Properties of the differential calculus arising from the Dirac operator are stu…
New constraints on cosmic ray-boosted dark matter from the LUX-ZEPLIN experiment
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +201
While dual-phase xenon time projection chambers (TPCs) have driven the sensitivity towards weakly interacting massive particles (WIMPs) at the GeV/c^2 to TeV/c^2 mass scale, the sc…
TeV emission of Galactic plane sources with HAWC and H.E.S.S
H. Abdalla, F. Aharonian, F. Ait Benkhali +318
The High Altitude Water Cherenkov (HAWC) observatory and the High Energy Stereoscopic System (H.E.S.S.) are two leading instruments in the ground-based very-high-energy gamma-ray d…
Probing the Scalar WIMP-Pion Coupling with the first LUX-ZEPLIN data
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +200
Weakly interacting massive particles (WIMPs) may interact with a virtual pion that is exchanged between nucleons. This interaction channel is important to consider in models where…
A search for new physics in low-energy electron recoils from the first LZ exposure
The LZ Collaboration, J. Aalbers, D. S. Akerib +200
The LUX-ZEPLIN (LZ) experiment is a dark matter detector centered on a dual-phase xenon time projection chamber. We report searches for new physics appearing through few-keV-scale…
First Combined Study on LIV from Observations of Energy-dependent Time Delays from Multiple-type Gamma-ray Sources -- Part I. Motivation, Method Description and Validation through Simulations of H.E.S.S., MAGIC and VERITAS Datasets
J. Bolmont, S. Caroff, M. Gaug +11
Gamma-ray astronomy has become one of the main experimental ways to test the modified dispersion relations (MDRs) of photons in vacuum, obtained in some attempts to formulate a the…
Searching for TeV gamma-ray emission from SGR\,1935+2154 during its 2020 X-ray and radio bursting phase
H. E. S. S. Collaboration, :, H. Abdalla +251
Magnetar hyperflares are the most plausible explanation for fast radio bursts (FRB) -- enigmatic powerful radio pulses with durations of several milliseconds and high brightness te…
Electron-ion recombination in composite interactions in liquid xenon
J. Xu, J. Kim, B. Lenardo +14
The response of liquid xenon to various types of ionizing radiation has been extensively studied theoretically and experimentally. Recent progress in direct detection dark matter e…
Observation and applications of single-electron charge signals in the XENON100 experiment
E. Aprile, M. Alfonsi, K. Arisaka +77
The XENON100 dark matter experiment uses liquid xenon in a time projection chamber (TPC) to measure xenon nuclear recoils resulting from the scattering of dark matter Weakly Intera…
Limits on spin-dependent WIMP-nucleon cross sections from 225 live days of XENON100 data
XENON100 collaboration, E. Aprile, M. Alfonsi +75
We present new experimental constraints on the elastic, spin-dependent WIMP-nucleon cross section using recent data from the XENON100 experiment, operated in the Laboratori Naziona…
Implications on Inelastic Dark Matter from 100 Live Days of XENON100 Data
XENON100 Collaboration, E. Aprile, K. Arisaka +52
The XENON100 experiment has recently completed a dark matter run with 100.9 live-days of data, taken from January to June 2010. Events in a 48kg fiducial volume in the energy range…
Evidence of 100 TeV -ray emission from HESS J1702-420: A new PeVatron candidate
H. Abdalla, F. Aharonian, F. Ait Benkhali +232
The identification of PeVatrons, hadronic particle accelerators reaching the knee of the cosmic ray spectrum (few eV), is crucial to understand the origin of cosmic rays…
Discrimination of nuclear recoils from alpha particles with superheated liquids
F. Aubin, M. Auger, E. Behnke +26
The PICASSO collaboration observed for the first time a significant difference between the acoustic signals induced by neutrons and alpha particles in a detector based on superheat…
The LUX-ZEPLIN (LZ) radioactivity and cleanliness control programs
D. S. Akerib, C. W. Akerlof, D. Yu. Akimov +387
LUX-ZEPLIN (LZ) is a second-generation direct dark matter experiment with spin-independent WIMP-nucleon scattering sensitivity above cm for a WIMP mass…
Dark Matter Spin-Dependent Limits for WIMP Interactions on 19-F by PICASSO
S. Archambault, F. Aubin, M. Auger +29
The PICASSO experiment at SNOLAB reports new results for spin-dependent WIMP interactions on F using the superheated droplet technique. A new generation of detectors and new…
Dark Matter Results from 100 Live Days of XENON100 Data
XENON100 Collaboration, E. Aprile, K. Arisaka +52
We present results from the direct search for dark matter with the XENON100 detector, installed underground at the Laboratori Nazionali del Gran Sasso of INFN, Italy. XENON100 is a…
Spectral action beyond the weak-field approximation
B. Iochum, C. Levy, D. Vassilevich
The spectral action for a non-compact commutative spectral triple is computed covariantly in a gauge perturbation up to order 2 in full generality. In the ultraviolet regime, $p\to…
Precision measurement of positron decay modes of Xe-125 in the LUX-ZEPLIN experiment
D. S. Akerib, A. K. Al Musalhi, F. Alder +208
The radioisotope is a short-lived () activation product of the neutron calibrations performed in the LUX-ZEPLIN experiment. Subsequently, $^{12…
Xenon Bubble Chambers for Direct Dark Matter Detection
C. Levy, S. Fallon, J. Genovesi +4
The search for dark matter is one of today's most exciting fields. As bigger detectors are being built to increase their sensitivity, background reduction is an ever more challengi…
First constraint for atmospheric millicharged particles with the LUX-ZEPLIN experiment
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +215
We report on a search for millicharged particles (mCPs) produced in cosmic ray proton atmospheric interactions using data collected during the first science run of the LUX-ZEPLIN e…
H.E.S.S. detection of very-high-energy gamma-ray emission from the quasar PKS 0736+017
H. E. S. S. Collaboration, :, H. Abdalla +225
Flat-spectrum radio-quasars (FSRQs) are rarely detected at very-high-energies (VHE; E>100 GeV) due to their low-frequency-peaked SEDs. At present, only 6 FSRQs are known to emit VH…
Upper Limits on Very-High-Energy Gamma-ray Emission from Core-Collapse Supernovae Observed with H.E.S.S
H. E. S. S. Collaboration, :, H. Abdalla +225
Young core-collapse supernovae with dense-wind progenitors may be able to accelerate cosmic-ray hadrons beyond the knee of the cosmic-ray spectrum, and this may result in measurabl…
Projected WIMP sensitivity of the LUX-ZEPLIN (LZ) dark matter experiment
D. S. Akerib, C. W. Akerlof, S. K. Alsum +175
LUX-ZEPLIN (LZ) is a next generation dark matter direct detection experiment that will operate 4850 feet underground at the Sanford Underground Research Facility (SURF) in Lead, So…
Conceptual design and simulation of a water Cherenkov muon veto for the XENON1T experiment
E. Aprile, F. Agostini, M. Alfonsi +88
XENON is a dark matter direct detection project, consisting of a time projection chamber (TPC) filled with liquid xenon as detection medium. The construction of the next generation…
LMC N132D: A mature supernova remnant with a power-law gamma-ray spectrum extending beyond 8 TeV
H. E. S. S. Collaboration, :, H. Abdalla +233
We analyzed 252 hours of High Energy Stereoscopic System (H.E.S.S.) observations towards the supernova remnant (SNR) LMC N132D that were accumulated between December 2004 and March…
H.E.S.S. and Fermi-LAT observations of PSR B1259-63/LS 2883 during its 2014 and 2017 periastron passages
H. E. S. S. Collaboration, H. Abdalla, R. Adam +222
PSR B1259-63/LS 2883 is a gamma-ray binary system consisting of a pulsar in an eccentric orbit around a bright Oe stellar-type companion star that features a dense circumstellar di…
Background Determination for the LUX-ZEPLIN (LZ) Dark Matter Experiment
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +200
The LUX-ZEPLIN experiment recently reported limits on WIMP-nucleus interactions from its initial science run, down to cm for the spin-independent interactio…
Spectral action on noncommutative torus
D. Essouabri, B. Iochum, C. Levy +1
The spectral action on noncommutative torus is obtained, using a Chamseddine--Connes formula via computations of zeta functions. The importance of a Diophantine condition is outlin…
Search for dark matter annihilation signals from unidentified Fermi-LAT objects with H.E.S.S
H. E. S. S. Collaboration, H. Abdallah, F. Aharonian +226
Cosmological -body simulations show that Milky Way-sized galaxies harbor a population of unmerged dark matter subhalos. These subhalos could shine in gamma-rays and be eventuall…
Observation of the gamma-ray binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS telescopes
C. B. Adams, W. Benbow, A. Brill +409
The results of gamma-ray observations of the binary system HESS J0632+057 collected during 450 hours over 15 years, between 2004 and 2019, are presented. Data taken with the atmosp…
An extreme particle accelerator in the Galactic plane: HESS J1826130
H. E. S. S. Collaboration, H. Abdalla, R. Adam +236
The unidentified very-high-energy (VHE; E 0.1 TeV) -ray source, HESS J1826130, was discovered with the High Energy Stereoscopic System (HESS) in the Galactic plane. The…