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Title: Mixing of partial waves near B*B̄ * threshold in e⁺e⁻ annihilation

We consider the production of B*B̄ * meson pairs in e⁺e⁻ annihilation near the threshold. The rescattering due to pion exchange between the mesons results in a mixing between three partial wave amplitudes: two P-wave amplitudes with the total spin of the meson pair S=0 and S=2 and an F-wave amplitude. The mixing due to pion exchange with a low momentum transfer is calculable up to c.m. energy E≈15–20 MeV above the threshold. We find that the P–F mixing is numerically quite small in this energy range, while the mixing of the two P-wave amplitudes is rapidly changing with energy and can reach of order one at such low energies.
Authors:
;
Publication Date:
Type:
Publisher's Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Name: Physical Review. D, Particles, Fields, Gravitation and Cosmology Journal Volume: 87 Journal Issue: 9; Journal ID: ISSN 1550-7998
Publisher:
American Physical Society
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
OSTI Identifier:
1102783

Li, Xin, and Voloshin, M. B.. Mixing of partial waves near B*B̄* threshold in e⁺e⁻ annihilation. United States: N. p., Web. doi:10.1103/PhysRevD.87.094033.
Li, Xin, & Voloshin, M. B.. Mixing of partial waves near B*B̄* threshold in e⁺e⁻ annihilation. United States. doi:10.1103/PhysRevD.87.094033.
Li, Xin, and Voloshin, M. B.. 2013. "Mixing of partial waves near B*B̄* threshold in e⁺e⁻ annihilation". United States. doi:10.1103/PhysRevD.87.094033.
@article{osti_1102783,
title = {Mixing of partial waves near B*B̄* threshold in e⁺e⁻ annihilation},
author = {Li, Xin and Voloshin, M. B.},
abstractNote = {We consider the production of B*B̄* meson pairs in e⁺e⁻ annihilation near the threshold. The rescattering due to pion exchange between the mesons results in a mixing between three partial wave amplitudes: two P-wave amplitudes with the total spin of the meson pair S=0 and S=2 and an F-wave amplitude. The mixing due to pion exchange with a low momentum transfer is calculable up to c.m. energy E≈15–20 MeV above the threshold. We find that the P–F mixing is numerically quite small in this energy range, while the mixing of the two P-wave amplitudes is rapidly changing with energy and can reach of order one at such low energies.},
doi = {10.1103/PhysRevD.87.094033},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 9,
volume = 87,
place = {United States},
year = {2013},
month = {5}
}