Constraints upon the CKM angle phi_2 (alpha) from Belle

Details Constraints upon the CKM angle phi_2 (alpha) from Belle Constraints upon the CKM angle phi_2 (alpha) from Belle

2004-11-24

arxiv.org/abs/hep-ex/0411075v1

Int.J.Mod.Phys. A20 (2005) 3547-3550

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages, 2 figures, contribution to the 2004 Meeting of the APS Division of Particles and Fields, Riverside, CA, 26-31 August

Scientific paper

10.1142/S0217751X05026947

The Belle experiment has measured branching fractions and CP asymmetries for
the charmless decays B0->pi+pi- and B0->rho+-pi-+. From these measurements,
constraints upon the CKM angle phi_2 can be obtained. These constraints
indicate that phi_2 is around 100 degrees.

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