CP asymmetry in Bd→φKs: Standard model pollution

Yuval Grossman; Gino Isidori; Mihir P. Worah

doi:10.1103/PhysRevD.58.057504

CP asymmetry in B_d→φK_s: Standard model pollution

Yuval Grossman
, Gino Isidori
, Mihir P. Worah

SLAC National Accelerator Laboratory
National Institute for Nuclear Physics
University of Washington

Research output: Contribution to journal › Article › peer-review

109 Scopus citations

Abstract

The difference in the time dependent CP asymmetries between the modes B→ψK_s and B→φK_s is a clean signal for physics beyond the standard model. This interpretation could fail if there is a large enhancement of the matrix element of the b→uūs operator between the B_d initial state and the φK_s final state. We argue against this possibility and propose some experimental tests that could shed light on the situation.

Original language	English
Article number	057504
Pages (from-to)	575041-575044
Number of pages	4
Journal	Physical Review D
Volume	58
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.58.057504
State	Published - 1 Sep 1998
Externally published	Yes

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10.1103/PhysRevD.58.057504

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title = "CP asymmetry in Bd→φKs: Standard model pollution",

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AB - The difference in the time dependent CP asymmetries between the modes B→ψKs and B→φKs is a clean signal for physics beyond the standard model. This interpretation could fail if there is a large enhancement of the matrix element of the b→uūs operator between the Bd initial state and the φKs final state. We argue against this possibility and propose some experimental tests that could shed light on the situation.

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CP asymmetry in B_d→φK_s: Standard model pollution

Abstract

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