Revision of results on T(1S), T(2S), and T(3S) masses

被引：1
|
作者：
Shamov, A. G. [1 ]
Rezanova, O. L. [1 ,2 ]
机构：
[1] Budker Inst Nucl Phys, 11 Akademika Lavrentieva Prospect, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, 1 Pirogova St, Novosibirsk 630090, Russia
来源：
PHYSICS LETTERS B | 2023年 / 839卷
关键词：
HIGH-PRECISION MEASUREMENT; UPSILON-MESON; PARAMETERS; J/PSI; PSI;
D O I：
10.1016/j.physletb.2023.137766
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have reconsidered the results on the masses of the narrow bottomonium states T(1S)-T(3S) ob-tained in 1982-1986 at CESR, DORIS and VEPP-4 colliders in order to fix shortcomings of the mass determination procedures. For experiments at CESR and DORIS this includes the incorrect accounting of the radiative corrections and usage of the electron mass value revised in 1986. In analyses of all ex-periments the interference of the resonance production and the nonresonant process was ignored. The corrected mass values for five experiments are suggested. The corrections vary from 0.1 to 0.4 MeV. The discrepancy between CESR and VEPP-4 results on T(1S) mass has been reduced from 3.3 to 1.8 standard deviations.(c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses/by/4.0/). Funded by SCOAP3.
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页数：4
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