K(L) --> pi0 e+ e- and K(L) --> pi0 mu+ mu-: A binary star on the stage of flavor physics

Mescia, Federico; Smith, Christopher; Trine, Stephanie (2006). K(L) --> pi0 e+ e- and K(L) --> pi0 mu+ mu-: A binary star on the stage of flavor physics. Journal of High Energy Physics, 2006(08), 088-088. Berlin: Springer 10.1088/1126-6708/2006/08/088

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A systematic analysis of New Physics impacts on the rare decays KL→π0ell+ell- is performed. Thanks to their different sensitivities to flavor-changing local effective interactions, these two modes could provide valuable information on the nature of the possible New Physics at play. In particular, a combined measurement of both modes could disentangle scalar/pseudoscalar from vector or axial-vector contributions. For the latter, model-independent bounds are derived. Finally, the KL→π0μ+μ- forward-backward CP-asymmetry is considered, and shown to give interesting complementary information.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Institute of Theoretical Physics

UniBE Contributor:

Smith, Christopher

Subjects:

500 Science > 530 Physics

ISSN:

1029-8479

Publisher:

Springer

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:44

Last Modified:

05 Dec 2022 14:13

Publisher DOI:

10.1088/1126-6708/2006/08/088

Web of Science ID:

000240460800088

ArXiv ID:

arXiv:hep-ph/0606081

URI:

https://boris.unibe.ch/id/eprint/18388 (FactScience: 431)

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