D0 Evidence for CP Violation and Implication for CPT Violation in B-Meson Mixing

Conference · Sun Aug 01 00:00:00 EDT 2010

OSTI ID:991314

Kooten, R Van

A D0 analysis measuring the charge asymmetry A{sub sl}{sup b} of like-sign dimuon events due to semileptonic b-hadron decays at the Fermilab Tevatron Collider is described. It differs by 3.2 standard deviations from the Standard Model prediction to provide first evidence of CPT-invariant anomalous CP violation in the mixing of neutral B mesons, and is compared to the CP-violating phase obtained from a D0 analysis of the time-dependent decay angles in B{sub s}{sup 0} {yields} J/{psi}{phi}. If CPT violation is allowed, the dimuon asymmetry also yields the first sensitivity to CPT violation in the B{sub s}{sup 0} system.

• Research Organization: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC02-07CH11359
• OSTI ID: 991314
• Report Number(s): FERMILAB-CONF-10-315-E; arXiv eprint number arXiv:1008.2813; TRN: US1007497
• Resource Relation: Conference: Presented at 5th Meeting on CPT and Lorentz Symmetry (CPT'10), Bloomington, Indiana, 28 Jun - 2 Jul 2010
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASYMMETRY
B MESONS
DECAY
FERMILAB TEVATRON
FORECASTING
SENSITIVITY
STANDARD MODEL
SYMMETRY
Experiment-HEP
Phenomenology-HEP