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Related papers: Neutral bremsstrahlung electroluminescence in nobl…

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A detailed analysis of the bremsstrahlung spectrum at nonrelativistic electron scattering on argon and xenon is carried out. It is shown that the approximate formulas widely used for the description of bremsstrahlung spectra lead to…

Atomic Physics · Physics 2022-10-11 A. I. Milstein , S. G. Salnikov , M. G. Kozlov

The effect of proportional electroluminescence (EL) is used to record the primary ionization signal (S2) in the gas phase of two-phase argon detectors for dark matter particle (WIMP) searches and low-energy neutrino experiments. Our…

Instrumentation and Detectors · Physics 2023-09-26 A. Buzulutskov , E. Frolov , E. Borisova , V. Nosov , V. Oleynikov , A. Sokolov

A detection technique of ultra-high energy cosmic rays, complementary to the fluorescence technique, would be the use of the molecular Bremsstrahlung radiation emitted by low-energy electrons left after the passage of the showers in the…

High Energy Astrophysical Phenomena · Physics 2015-01-26 I. Al Samarai , O. Deligny , D. Lebrun , A. Letessier-Selvon , F. Salamida

Radiation detectors with noble gasses as the active medium are becoming increasingly common in experimental programs searching for physics beyond the standard model. Nearly all of these experiments rely to some degree on collecting…

Instrumentation and Detectors · Physics 2015-06-16 V. M. Gehman

In situ scanning transmission electron microscopy (STEM) through liquids is a promising approach for exploring biological and materials processes. However, options for in situ chemical identification are limited: X-ray analysis is precluded…

Chemical Physics · Physics 2015-06-12 Megan E. Holtz , Yingchao Yu , Jie Gao , Héctor D. Abruña , David A. Muller

Hard photons from neutron-proton bremsstrahlung in intermediate energy heavy-ion reactions are examined as a potential probe of the nuclear symmetry energy within a transport model. Effects of the symmetry energy on the yields and spectra…

Nuclear Theory · Physics 2008-11-26 Gao-Chan Yong , Bao-An Li , Lie-Wen Chen

We examine the spectrum of bremsstrahlung photons that results from the stopping of the initial net charge distributions in ultrarelativistic nucleus-nucleus collisions at the CERN Large Hadron Collier (LHC). This effect has escaped…

High Energy Physics - Phenomenology · Physics 2021-10-13 Sohyun Park , Urs Achim Wiedemann

We discuss the size of the electron-antineutrino electron into electron-antineutrino electron cross section reduction due to the rejection of the events with a vertex bremsstrahlung photon above a certain energy in the final state. In…

High Energy Physics - Phenomenology · Physics 2009-10-31 C. Broggini , I. Masina , M. Moretti

A detection technique for ultra-high energy cosmic rays, complementary to the fluorescence technique, would be the use of the molecular Bremsstrahlung radiation emitted by low-energy ionization electrons left after the passage of the…

Instrumentation and Methods for Astrophysics · Physics 2016-03-04 I. Al Samarai , C. Berat , O. Deligny , A. Letessier-Selvon , F. Montanet , M. Settimo , P. Stassi

Understanding of the electroluminescence (EL) mechanism in optoelectronic devices is important for further optimization of their efficiency and effectiveness. Here, a quantum mechanical approach is formulated for modeling EL processes in…

Materials Science · Physics 2015-12-29 Rulin Wang , Yu Zhang , Fuzhen Bi , GuanHua Chen , ChiYung Yam

A conservative upper bound on the total dark matter (DM) annihilation rate can be obtained by constraining the appearance rate of the annihilation products which are hardest to detect. The production of neutrinos, via the process $\chi \chi…

High Energy Physics - Phenomenology · Physics 2008-12-22 Nicole F. Bell , James B. Dent , Thomas D. Jacques , Thomas J. Weiler

The missing baryons in the universe are assumed to be hidden in the whole space as a warm-hot intergalactic medium (WHIM). Finding them is one of the important subjects in modern cosmology. In this paper, we point out that the very high…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-19 Wei Zhu , Rong Wang

The possibility of observing supernova (SN) neutrinos through the process of coherent elastic neutrino-nucleus scattering (CENNS) in future ton scale detectors designed primarily for direct detection of dark matter is investigated. In…

High Energy Astrophysical Phenomena · Physics 2014-02-05 Sovan Chakraborty , Pijushpani Bhattacharjee , Kamales Kar

In this work, a new neutron and {\gamma}(n/{\gamma}) discrimination method based on an Elman Neural Network (ENN) is proposed to improve the discrimination performance of liquid scintillator (LS) detectors. Neutron and {\gamma} data were…

Instrumentation and Detectors · Physics 2016-08-24 Cai-Xun Zhang , Shin-Ted Lin , Jian-Ling Zhao , Li Wang , Xun-Zhen Yu , Jing-Jun Zhu , Hao-Yang Xing

We introduce a new method to determine the redshift of unknown-redshift BL Lac Objects. The method relies on simultaneous multi-wavelength (MWL) observations of BL Lac objects in optical, X-ray, HE (E>100 MeV) gamma-rays and VHE (E>100…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Nijil Mankuzhiyil , Stefano Ansoldi , Gessica De Caneva , Massimo Persic , Fabrizio Tavecchio

Noble liquid detectors have become an attractive option for exploring physics beyond the standard model. Current experiments are using these detectors to search for dark matter interactions, neutrinoless double beta decay, and other…

Instrumentation and Detectors · Physics 2019-10-15 Philip L. R. Weigel , Erin V. Hansen , Michelle J. Dolinski

The field of dark matter direct detection has seen important contributions in recent years from experiments involving liquid noble gases, specifically liquid argon and liquid xenon. These detection media offer many properties deemed useful…

High Energy Physics - Experiment · Physics 2013-04-05 Aaron Manalaysay

A good understanding of electroluminescence is a prerequisite when optimising double-phase noble gas detectors for Dark Matter searches and high-pressure xenon TPCs for neutrinoless double beta decay detection. A simulation toolkit for…

We revisit the calculation of electroweak bremsstrahlung contributions to dark matter annihilation. Dark matter annihilation to leptons is necessarily accompanied by electroweak radiative corrections, in which a $W$ or $Z$ boson is also…

High Energy Physics - Phenomenology · Physics 2015-03-19 Nicole F. Bell , James B. Dent , Ahmad J. Galea , Thomas D. Jacques , Lawrence M. Krauss , Thomas J. Weiler

We calculate the rate of energy radiation by bremsstrahlung of neutrino pairs by baryons in neutron stars employing a transport model in which neutrinos couple to baryons with spectral width. The coherence effects, which are included by…

Nuclear Theory · Physics 2009-10-31 Armen Sedrakian , Alex Dieperink