Searching for new physics in the b → d FCNC using Bs0(t) → φKs and Bd0(t) → K0K0

C. S. Kim, D. London, T. Yoshikawa

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Time-dependent measurements of the decays Bs0(t) → φKs and Bd0(t) → K0K0 can be used to compare the weak phases of Bd0-Bd0 mixing and the t-quark contribution to the b → d penguin. Since these two phases are equal in the standard model, any discrepancy would be a sign of new physics, specifically in the b → d flavour-changing neutral current (FCNC). The method can be applied to other pairs of decays, such as Bs0(t) → J/ψKs and Bd0(t)→ J/ψπ0.

Original languageEnglish
Pages (from-to)361-369
Number of pages9
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number2-3
Publication statusPublished - 1999

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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