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Coulomb effects in the decays ϒ (4S) →b B ¯. / Milstein, A. I.; Salnikov, S. G.
в: Physical Review D, Том 104, № 1, 014007, 01.07.2021.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Coulomb effects in the decays ϒ (4S) →b B ¯
AU - Milstein, A. I.
AU - Salnikov, S. G.
N1 - Publisher Copyright: © 2021 authors. Published by the American Physical Society. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.
PY - 2021/7/1
Y1 - 2021/7/1
N2 - A simple exactly solvable model is proposed for describing the decays ϒ(4S)→B0B¯0 and ϒ(4S)→B+B-. Our predictions agree with available experimental data. Using this model, we analyze the Coulomb effects in the spectra of these decays. It is shown that the frequently used assumption of factorization of Coulomb effects is not fulfilled. The Coulomb interaction leads to the difference in the positions and heights of the peaks corresponding to the charged and neutral modes. As a result, the ratio of probability of ϒ(4S)→B+B- decay and ϒ(4S)→B0B¯0 decay is a nontrivial function of energy.
AB - A simple exactly solvable model is proposed for describing the decays ϒ(4S)→B0B¯0 and ϒ(4S)→B+B-. Our predictions agree with available experimental data. Using this model, we analyze the Coulomb effects in the spectra of these decays. It is shown that the frequently used assumption of factorization of Coulomb effects is not fulfilled. The Coulomb interaction leads to the difference in the positions and heights of the peaks corresponding to the charged and neutral modes. As a result, the ratio of probability of ϒ(4S)→B+B- decay and ϒ(4S)→B0B¯0 decay is a nontrivial function of energy.
UR - http://www.scopus.com/inward/record.url?scp=85109267942&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.104.014007
DO - 10.1103/PhysRevD.104.014007
M3 - Article
AN - SCOPUS:85109267942
VL - 104
JO - Physical Review D
JF - Physical Review D
SN - 2470-0010
IS - 1
M1 - 014007
ER -
ID: 29233711