首次观察到PHI(1020)--->PI0+PI0+GAMMA衰变
高能物理 - 实验
2008-11-26 v3
摘要
在VEPP-2M电子-正电子对撞机中的SND实验中，研究了PHI(1020)--->PI0+PI0+GAMMA衰变。测得分支比B(PHI--->PI0+PI0+GAMMA)=(1.14+-0.10+-0.12)x10。证明F0(980)GAMMA机制在此衰变中占主导地位，4-夸克模型的F0(980)对实验数据描述最为一致。
关键词
引用
@article{arxiv.hep-ex/9807016,
title = {First Observation of PHI(1020)--->PI0+PI0+GAMMA 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 S. I. Dolinsky 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 E. V. Pakhtusova and E. A. Perevedentsev 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 A. N. Skrinsky and Yu. V. Usov and Yu. S. Velikzhanin},
journal= {arXiv preprint arXiv:hep-ex/9807016},
year = {2008}
}
备注
6 pages, 6 figures, 1 table, Will be published in Phys.Lett.B