SENSITIVITY TO THE CP-VIOLATION PARAMETER PHI(2) AT A B-FACTORY

被引：1
|
作者：
AOKI, M [1 ]
WATANABE, K [1 ]
WATANABE, Y [1 ]
ITOH, R [1 ]
OZAKI, H [1 ]
机构：
[1] NATL LAB HIGH ENERGY PHYS, KEK, IBARAKI, OSAKA 305, JAPAN
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1995年 / 366卷 / 01期
关键词：
D O I：
10.1016/0168-9002(95)00618-4
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We report on a detailed simulation study on how well we can measure the CP-violation parameter phi(2) (or alpha), an angle of the unitarity triangle at a B factory, and how it depends on the calorimeter resolution. An accuracy of delta sin 2 phi(2) = 0.092 can be achieved through the B-0(B-0)-->rho(+/-)pi(+/-) decay mode, when we assume that each branching ratio is 3x10(-5) and the integrated luminosity is 10(41) cm(-2). The dependence of the accuracy on the calorimeter resolution is found not to be too critical.
引用
收藏
页码：85 / 95
页数：11
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