Constraints on New Physics in Electron g−2 from a Search for Invisible Decays of a Scalar, Pseudoscalar, Vector, and Axial Vector; Physical Review Letters; Vol. 126, iss. 21

Constraints on New Physics in Electron g−2 from a Search for Invisible Decays of a Scalar, Pseudoscalar, Vector, and Axial Vector; Physical Review Letters; Vol. 126, iss. 21

Մատենագիտական մանրամասներ
Parent link:	Physical Review Letters Vol. 126, iss. 21.— 2021.— [211802, 6 p.]
Համատեղ հեղինակներ:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов, Национальный исследовательский Томский политехнический университет Школа базовой инженерной подготовки Отделение математики и информатики
Այլ հեղինակներ:	Andreev Yu. M. Yury Mikhaylovich, Banerjee D., Donskov S. V. Sergey Vasiljevich, Chumakov A. G. Aleksandr Grigorjevich, Dusaev R. R. Renat Ramilyevich, Lyubovitskiy (Lyubovitskij) V. E. Valery Efimovich, Trifonov A. Yu. Andrey Yurievich, Vasilishin B. I. Bogdan Ivanovich
Ամփոփում:	Title screen We performed a search for a new generic X boson, which could be a scalar (S), pseudoscalar (P), vector (V), or an axial vector (A) particle produced in the 100 GeV electron scattering off nuclei, e−Z→e−ZX, followed by its invisible decay in the NA64 experiment at CERN. No evidence for such a process was found in the full NA64 dataset of 2.84×1011 electrons on target. We place new bounds on the S, P, V, A coupling strengths to electrons, and set constraints on their contributions to the electron anomalous magnetic moment ae, \|ΔaX\|≲10−15-10−13 for the X mass region 1 MeV≲mX≲1 GeV. These results are an order of magnitude more sensitive compared to the current accuracy on ae from the electron g−2 experiments and recent high-precision determination of the fine structure constant.
Լեզու:	անգլերեն
Հրապարակվել է:	2021
Խորագրեր:	электронный ресурс труды учёных ТПУ
Առցանց հասանելիություն:	https://doi.org/10.1103/PhysRevLett.126.211802
Ձևաչափ:	Էլեկտրոնային Գրքի գլուխ
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668067

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