在带电的Ξ和Λ超子的非轻子衰变中寻找直接CP破坏。
Search for direct CP violation in nonleptonic decays of charged Xi and lambda hyperons.
作者信息
Luk KB, Diehl HT, Duryea J, Guglielmo G, Heller K, Ho PM, James C, Johns K, Longo MJ, Rameika R, Teige S, Thomson GB, Zou Y
机构信息
Physics Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720 and Department of Physics, University of California, Berkeley, California 94720, USA.
出版信息
Phys Rev Lett. 2000 Dec 4;85(23):4860-3. doi: 10.1103/PhysRevLett.85.4860.
A search for direct CP violation in the nonleptonic decays of hyperons has been performed. In comparing the product of the decay parameters, alpha(Xi)alpha(Lambda), in terms of an asymmetry parameter, A(XiLambda), between hyperons and antihyperons in the charged Xi-->Lambdapi and Lambda-->ppi decay sequence, we found no evidence of direct CP violation. The parameter A(XiLambda) was measured to be 0.012+/-0.014.
已对超子的非轻子衰变中的直接CP破坏进行了搜索。在带电的Ξ⁻→Λπ和Λ→pπ衰变序列中，通过一个不对称参数A(ΞΛ)来比较超子和反超子衰变参数α(Ξ)α(Λ)的乘积，我们未发现直接CP破坏的证据。测得参数A(ΞΛ)为0.012±0.014。
Zotero 插件