K_S $\to$ 3 $\pi^0$ 衰变的上限
高能物理 - 实验
2008-11-26 v1
摘要
使用 SND 检测器在 VEPP-2M 碰撞器中进行 CP 违规 K_S 3 衰变的搜索。分析了对应 700 万产生的 K_S 中子的数据。未发现任何候选事件，给出 90% 置信水平下分支比上限：Br(K_S 3 ) < 。
引用
@article{arxiv.hep-ex/9907004,
title = {Upper limit on the Ks ---> 3 pi0 decay},
author = {M. N. Achasov and V. M. Aulchenko and A. V. Berdyugin and A. V. Bozhenok and A. D. Bukin and D. A. Bukin and S. V. Burdin and T. V. Dimova and V. P. Druzhinin and M. S. Dubrovin and I. A. Gaponenko and V. B. Golubev and V. N. Ivanchenko and I. A. Koop and A. A. Korol and S. V. Koshuba and I. N. Nesterenko and E. V. Pakhtusova 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},
journal= {arXiv preprint arXiv:hep-ex/9907004},
year = {2008}
}
备注
6 pages, 4 figures, to be published in Physics Letters B