First measurements in search for keV sterile neutrino in tritium beta-decay in the Troitsk nu-mass experiment

J. N. Abdurashitov; A. I. Belesev; V. G. Chernov; E. V. Geraskin; A. A. Golubev; P. V. Grigorieva; G. A. Koroteev; N. A. Likhovid; A. A. Nozik; V. S. Pantuev; V. I. Parfenov; A. K. Skasyrskaya; I. I. Tkachev; S. V. Zadorozhny

doi:10.1134/S0021364017120013

First measurements in search for keV sterile neutrino in tritium beta-decay in the Troitsk nu-mass experiment

J. N. Abdurashitov, A. I. Belesev, V. G. Chernov, E. V. Geraskin, A. A. Golubev, P. V. Grigorieva, G. A. Koroteev, N. A. Likhovid, A. A. Nozik, V. S. Pantuev, V. I. Parfenov, A. K. Skasyrskaya, I. I. Tkachev, S. V. Zadorozhny

Лаборатория космологии и физики элементарных частиц МЦФЭЧиАФФ

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

11 Цитирования (Scopus)

Аннотация

We present the first results of precision measurements of tritium -decay spectrum in the electron energy range 16–18.6 keV by the Troitsk nu-mass experiment. The goal is to find distortions that may be caused by the existence of heavy sterile neutrinos. A signature would correspond to a kink in the spectrum with characteristic shape and end point shifted by the value of a heavy neutrino mass. We set new upper limits to the neutrino mixing matrix element U_e4 ², which improve existing limits by a factor of 2 to 5 in the mass range of 0.1–2 keV.

Язык оригинала	английский
Страницы (с-по)	753-757
Число страниц	5
Журнал	JETP Letters
Том	105
Номер выпуска	12
DOI	https://doi.org/10.1134/S0021364017120013
Состояние	Опубликовано - 1 июн. 2017

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10.1134/S0021364017120013

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Abdurashitov, J. N., Belesev, A. I., Chernov, V. G., Geraskin, E. V., Golubev, A. A., Grigorieva, P. V., Koroteev, G. A., Likhovid, N. A., Nozik, A. A., Pantuev, V. S., Parfenov, V. I., Skasyrskaya, A. K., Tkachev, I. I., & Zadorozhny, S. V. (2017). First measurements in search for keV sterile neutrino in tritium beta-decay in the Troitsk nu-mass experiment. JETP Letters, 105(12), 753-757. https://doi.org/10.1134/S0021364017120013

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abstract = "We present the first results of precision measurements of tritium -decay spectrum in the electron energy range 16–18.6 keV by the Troitsk nu-mass experiment. The goal is to find distortions that may be caused by the existence of heavy sterile neutrinos. A signature would correspond to a kink in the spectrum with characteristic shape and end point shifted by the value of a heavy neutrino mass. We set new upper limits to the neutrino mixing matrix element Ue4 2, which improve existing limits by a factor of 2 to 5 in the mass range of 0.1–2 keV.",

author = "Abdurashitov, {J. N.} and Belesev, {A. I.} and Chernov, {V. G.} and Geraskin, {E. V.} and Golubev, {A. A.} and Grigorieva, {P. V.} and Koroteev, {G. A.} and Likhovid, {N. A.} and Nozik, {A. A.} and Pantuev, {V. S.} and Parfenov, {V. I.} and Skasyrskaya, {A. K.} and Tkachev, {I. I.} and Zadorozhny, {S. V.}",

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Abdurashitov, JN, Belesev, AI, Chernov, VG, Geraskin, EV, Golubev, AA, Grigorieva, PV, Koroteev, GA, Likhovid, NA, Nozik, AA, Pantuev, VS, Parfenov, VI, Skasyrskaya, AK, Tkachev, II & Zadorozhny, SV 2017, 'First measurements in search for keV sterile neutrino in tritium beta-decay in the Troitsk nu-mass experiment', JETP Letters, том. 105, № 12, стр. 753-757. https://doi.org/10.1134/S0021364017120013

First measurements in search for keV sterile neutrino in tritium beta-decay in the Troitsk nu-mass experiment. / Abdurashitov, J. N.; Belesev, A. I.; Chernov, V. G. и др.

В: JETP Letters, Том 105, № 12, 01.06.2017, стр. 753-757.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - First measurements in search for keV sterile neutrino in tritium beta-decay in the Troitsk nu-mass experiment

AU - Abdurashitov, J. N.

AU - Belesev, A. I.

AU - Chernov, V. G.

AU - Geraskin, E. V.

AU - Golubev, A. A.

AU - Grigorieva, P. V.

AU - Koroteev, G. A.

AU - Likhovid, N. A.

AU - Nozik, A. A.

AU - Pantuev, V. S.

AU - Parfenov, V. I.

AU - Skasyrskaya, A. K.

AU - Tkachev, I. I.

AU - Zadorozhny, S. V.

PY - 2017/6/1

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N2 - We present the first results of precision measurements of tritium -decay spectrum in the electron energy range 16–18.6 keV by the Troitsk nu-mass experiment. The goal is to find distortions that may be caused by the existence of heavy sterile neutrinos. A signature would correspond to a kink in the spectrum with characteristic shape and end point shifted by the value of a heavy neutrino mass. We set new upper limits to the neutrino mixing matrix element Ue4 2, which improve existing limits by a factor of 2 to 5 in the mass range of 0.1–2 keV.

AB - We present the first results of precision measurements of tritium -decay spectrum in the electron energy range 16–18.6 keV by the Troitsk nu-mass experiment. The goal is to find distortions that may be caused by the existence of heavy sterile neutrinos. A signature would correspond to a kink in the spectrum with characteristic shape and end point shifted by the value of a heavy neutrino mass. We set new upper limits to the neutrino mixing matrix element Ue4 2, which improve existing limits by a factor of 2 to 5 in the mass range of 0.1–2 keV.

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