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First observation of neutral bremsstrahlung electroluminescence in liquid argon. / Бондарь, Александр Евгеньевич; Buzulutskov, A.; Frolov, E. et al.

In: Physical Review Letters, Vol. 131, No. 24, 241001, 15.12.2023.

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Бондарь АЕ, Buzulutskov A, Frolov E, Borisova E, Nosov V, Oleynikov V et al. First observation of neutral bremsstrahlung electroluminescence in liquid argon. Physical Review Letters. 2023 Dec 15;131(24):241001. doi: 10.1103/PhysRevLett.131.241001

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@article{50fe79bd6e98461ea4b97c4995a5cbe8,
title = "First observation of neutral bremsstrahlung electroluminescence in liquid argon",
abstract = "Recent discovery of additional mechanism of electroluminescence (EL) in noble gases due to neutral bremsstrahlung (NBrS) effect led to a prediction that NBrS EL should be present in noble liquids as well. A rigorous theory of NBrS EL in noble liquids was developed accordingly in the framework of Cohen-Lekner and Atrazhev approach. In this work, we confirm this prediction: for the first time, visible-range EL has been observed in liquid Ar at electric fields reaching 90~kV/cm, using Gas Electron Multiplier (GEM) and Thick GEM (THGEM) structures. Absolute light yields of the EL were measured and found to be in excellent agreement with the theory, provided that momentum-transfer cross section of electron-atom scattering (instead of energy-transfer one) is used for calculation of NBrS cross section.",
author = "Бондарь, {Александр Евгеньевич} and A. Buzulutskov and E. Frolov and E. Borisova and V. Nosov and V. Oleynikov and A. Sokolov",
note = "This work was supported in part by Russian Science Foundation (Project No. 20-12-00008 ).",
year = "2023",
month = dec,
day = "15",
doi = "10.1103/PhysRevLett.131.241001",
language = "English",
volume = "131",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "24",

}

RIS

TY - JOUR

T1 - First observation of neutral bremsstrahlung electroluminescence in liquid argon

AU - Бондарь, Александр Евгеньевич

AU - Buzulutskov, A.

AU - Frolov, E.

AU - Borisova, E.

AU - Nosov, V.

AU - Oleynikov, V.

AU - Sokolov, A.

N1 - This work was supported in part by Russian Science Foundation (Project No. 20-12-00008 ).

PY - 2023/12/15

Y1 - 2023/12/15

N2 - Recent discovery of additional mechanism of electroluminescence (EL) in noble gases due to neutral bremsstrahlung (NBrS) effect led to a prediction that NBrS EL should be present in noble liquids as well. A rigorous theory of NBrS EL in noble liquids was developed accordingly in the framework of Cohen-Lekner and Atrazhev approach. In this work, we confirm this prediction: for the first time, visible-range EL has been observed in liquid Ar at electric fields reaching 90~kV/cm, using Gas Electron Multiplier (GEM) and Thick GEM (THGEM) structures. Absolute light yields of the EL were measured and found to be in excellent agreement with the theory, provided that momentum-transfer cross section of electron-atom scattering (instead of energy-transfer one) is used for calculation of NBrS cross section.

AB - Recent discovery of additional mechanism of electroluminescence (EL) in noble gases due to neutral bremsstrahlung (NBrS) effect led to a prediction that NBrS EL should be present in noble liquids as well. A rigorous theory of NBrS EL in noble liquids was developed accordingly in the framework of Cohen-Lekner and Atrazhev approach. In this work, we confirm this prediction: for the first time, visible-range EL has been observed in liquid Ar at electric fields reaching 90~kV/cm, using Gas Electron Multiplier (GEM) and Thick GEM (THGEM) structures. Absolute light yields of the EL were measured and found to be in excellent agreement with the theory, provided that momentum-transfer cross section of electron-atom scattering (instead of energy-transfer one) is used for calculation of NBrS cross section.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85179621454&origin=inward&txGid=d78e170e73d2921f54f370283378ea5c

UR - http://arxiv.org/abs/2305.08084

UR - https://www.mendeley.com/catalogue/763461fa-7760-32a8-a67f-54894bc27dae/

U2 - 10.1103/PhysRevLett.131.241001

DO - 10.1103/PhysRevLett.131.241001

M3 - Article

C2 - 38181145

VL - 131

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 24

M1 - 241001

ER -

ID: 59391560