SND探测器对φ→μ+μ-和φ→π+π-衰变的新实验数据
高能物理 - 实验
2008-11-26 v2
摘要
在VEPP-2M e+e-对撞机上，利用SND探测器在φ(1020)共振附近研究了e+e-→μ+μ-和e+e-→π+π-过程。得到了分支比B(φ→μ+μ-)=(3.30±0.45±0.32)×10^{-4}和B(φ→π+π-)=(0.71±0.11±0.09)×10^{-4}。
引用
@article{arxiv.hep-ex/9910070,
title = {New experimental data for the decays $\phi\to\mu^+\mu^-$ and $\phi\to\pi^+\pi^-$ from SND detector},
author = {M. N. Achasov and V. M. Aulchenko and K. I. Beloborodov and A. V. Berdyugin and A. V. Bozhenok and D. A. Bukin and S. V. Burdin and T. V. Dimova and S. I. Dolinsky and A. A. Drozdetsky and V. P. Druzhinin and M. S. Dubrovin and I. A. Gaponenko and V. B. Golubev and V. N. Ivanchenko and P. M. Ivanov and A. A. Korol and S. V. Koshuba and G. A. Kukartsev and I. N. Nesterenko and A. V. Otboev and E. V. Pakhtusova and V. M. Popov and A. A. Salnikov and S. I. Serednyakov and V. V. Shary and Yu. M. Shatunov and V. A. Sidorov and Z. K. Silagadze and Yu. V. Usov and A. V. Vasiljev and A. S. Zakharov},
journal= {arXiv preprint arXiv:hep-ex/9910070},
year = {2008}
}
备注
5 pages, 4 figures, talk given at 8th International Conference on Hadron Spectroscopy (HADRON 99), Beijing, China, 24-28 Aug 1999