Measurements of Omega(-) branching fractions

作者：Xiao T^*; Dobbs S; Tomaradze A; Seth Kamal K

来源：PHYSICAL REVIEW D, 2018, 98(1): 012007.

DOI：10.1103/PhysRevD.98.012007

Using e(+)e(-) annihilation data taken with the CLEO-c detector, measurements of two major Obranching fractions have been made using the reaction psi(2S) -> Omega(-)(Omega) over bar (+) . The Omega(-) decay channels are identified through momentum distributions of charged particles, and systematics of the Omega(-) branching fractions have been studied. The results are B(Omega(-) -> Lambda(0) K-) = (68.9 +/- 9.5 +/- 4.3)% and B(Omega(-) -> Xi pi(-0)) = (19.0 +/- 4.0 +/- 1.2)%.

• 出版日期2018-7-31
• 单位西北大学