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Charmed penguin versus BAU

Abstract : Since the Standard Model most probably cannot explain the large value of CP asymmetries recently observed in D-meson decays we propose the fourth quark-lepton generation explanation of it. As a byproduct weakly mixed leptons of the fourth generation make it possible to save the baryon number of the Universe from erasure by sphalerons. An impact of the 4th generation on BBN is briefly discussed.
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http://hal.in2p3.fr/in2p3-00727651
Contributor : Danielle Cristofol <>
Submitted on : Tuesday, September 4, 2012 - 10:16:28 AM
Last modification on : Monday, March 29, 2021 - 3:22:26 PM

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A. D. Dolgov, S. I. Godunov, A. N. Rozanov, M. I. Vysotsky. Charmed penguin versus BAU. JETP Letters, Springer Verlag, 2012, 96, pp.290-297. ⟨10.1134/S0021364012170055⟩. ⟨in2p3-00727651⟩

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