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CP Violation and CKM Parameters Determination in BaBar

Conference ·
OSTI ID:914434
CP violation (CPV), first detected in K{sub L} {yields} {pi} {sup +} {pi} {sup -} decays in 1964, is accommodated in the Standard Model (SM) by a CP-violating phase in the CKM matrix, the matrix which describes the mixing of the quarks (under the weak interaction) [2]. From the unitarity constraints of the CKM matrix, we have V{sub ud} V{sub ub}* + V{sub cd}V{sub cb}* + V{sub td}V{sub tb}* = 0, the so-called Unitarity Triangle relation, represented in Fig. 1. CPV is proportional to the area of the triangle and requires the angles and sides to be different from zero. The main goal of the BaBar experiment is to overconstrain the Unitarity Triangle parameters, measuring the sides and the angles directly from the data of B{sub u} and B{sub d} meson decays, in order to test the consistency of the SM.
Research Organization:
Stanford Linear Accelerator Center (SLAC)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-76SF00515
OSTI ID:
914434
Report Number(s):
SLAC-PUB-12783
Country of Publication:
United States
Language:
English

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