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Testing the new CP phase in a Supersymmetric Model with Q(6) Family Symmetry by B(s) Mixing

Kawashima, Kenji; Kubo, Jisuke; Lenz, Alexander

Testing the new CP phase in a Supersymmetric Model with Q(6) Family Symmetry by B(s) Mixing Thumbnail


Authors

Kenji Kawashima

Jisuke Kubo

Alexander Lenz



Abstract

The new contribution to the non-diagonal matrix element M12 of the neutral Bs meson system is investigated in a supersymmetric extension of the standard model based on the discrete Q6 family symmetry. We assume that CP is explicitly, but softly broken only by the b terms in the soft supersymmetry breaking sector. We find that the new contributions to M12 are real, and that nevertheless there exists an observable difference in the CP phase compared with the standard model. We focus our attention on the flavor-specific CP asymmetry View the MathML source, and find that View the MathML source of the model is mostly negative and its size can be one order of magnitude larger the standard model value. This prediction is consistent with the current experimental value, and might be experimentally tested in future.

Citation

Kawashima, K., Kubo, J., & Lenz, A. (2009). Testing the new CP phase in a Supersymmetric Model with Q(6) Family Symmetry by B(s) Mixing. Physics Letters B, 681(1), 60-67. https://doi.org/10.1016/j.physletb.2009.09.064

Journal Article Type Article
Publication Date Oct 19, 2009
Deposit Date Nov 19, 2012
Publicly Available Date Mar 29, 2024
Journal Physics Letters B
Print ISSN 0370-2693
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 681
Issue 1
Pages 60-67
DOI https://doi.org/10.1016/j.physletb.2009.09.064

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