Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-04-16
Phys.Rev.Lett. 86 (2001) 3722-3725
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages using revtex, 2 figures embadded in the text using epsfig. As will appear in Phys.Rev.Lett.. Considerable improvement
Scientific paper
10.1103/PhysRevLett.86.3722
We consider the inclusive reaction \ell^+ \ell^- -> nb +X (n = number of b-jets) in lepton colliders for which we propose a useful approximately conserved quantum number b_P=(-1)^n that we call b-Parity (b_P). We make the observation that the Standard Model (SM) is essentially b_P-even since SM b_P-violating signals are necessarily CKM suppressed. In contrast new flavor physics can produce b_P=-1 signals whose only significant SM background is due to b-jet misidentification. Thus, we show that b-jet counting, which relies primarily on b-tagging, becomes a very simple and sensitive probe of new flavor physics (i.e., of b_P-violation).
Bar-Shalom Shaouly
Wudka Jose
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