JETP Letters

, Volume 96, Issue 5, pp 290–297 | Cite as

Charmed penguin versus BAU

  • A. D. Dolgov
  • S. I. Godunov
  • A. N. Rozanov
  • M. I. Vysotsky
Fields, Particles, and Nuclei

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.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    R. Aaij, C. Abellan Beteta, B. Adeva, et al., Phys. Rev. Lett. 108, 111602 (2012).ADSCrossRefGoogle Scholar
  2. 2.
    T. Aaltonen, B. Álvarez Conzálezz, S. Amerio, et al., arXiv:1207.2158 (2012).Google Scholar
  3. 3.
    G. Isisdori, J. Kamenik, Z. Ligeti, and G. Perez, Phys. Lett. B 711, 46 (2012).ADSCrossRefGoogle Scholar
  4. 4.
    K. Nakamura, K. Hagiwara, K. Hikasa, et al. (Particle Data Group), J. Phys. G 37, 075021 (2010).ADSCrossRefGoogle Scholar
  5. 5.
    J. Brod, A. L. Kogan, and J. Zupan, arXiv:1111.5000 (2011).Google Scholar
  6. 6.
    A. J. Buras, M. Jamin, M. E. Lautenbacher, et al., Nucl. Phys. B 370, 69 (1992).ADSCrossRefGoogle Scholar
  7. 7.
    A. B. Kaidalov and M. I. Vysotsky, Phys. At. Nucl. 72, 2126 (2009).CrossRefGoogle Scholar
  8. 8.
    A. Vainshtein, hep-ph/9906263 (1999).Google Scholar
  9. 9.
    A. N. Rozanov and M. I. Vysotsky, JETP Lett. 95, 397 (2012).ADSCrossRefGoogle Scholar
  10. 10.
    S. Nandi and A. Soni, Phys. Rev. D 83, 114510 (2011).ADSCrossRefGoogle Scholar
  11. 11.
    K. Dick, M. Lindner, M. Ratz, and D. Wright, Phys. Rev. Lett. 84, 4039 (2000).ADSCrossRefGoogle Scholar
  12. 12.
    H. Murayama, V. Rentala, J. Shu, and T. Yanagida, Phys. Lett. B 705, 208 (2011).ADSCrossRefGoogle Scholar
  13. 13.
    O. Eberhardt, G. Herbert, H. Lacker, et al., arXiv:1204.3872 (2012).Google Scholar
  14. 14.
    K. Ackerstaff, G. Alexander, J. Allison, et al., Eur. Phys. J. C 1, 45 (1998); P. Achard, O. Adriani, M. Aguilar-Benitez, et al., Phys. Lett. B 517, 75 (2001).CrossRefGoogle Scholar
  15. 15.
    H.-S. Lee, Z. Liu, and A. Soni, Phys. Lett. B 704, 30 (2011).ADSCrossRefGoogle Scholar
  16. 16.
    R. A. Sunyaev and Ya. B. Zeldovich, Astrophys. Space Sci. 20, 20 (1970); A. F. Illarionov and R. A. Sunyaev, Astron. J. 51, 698 (1974).ADSGoogle Scholar
  17. 17.
    Y. I. Izotov and T. X. Thuan, Astrophys. J. 710, L67 (2010); E. Aver, K. A. Olive, and E. D. Skillman, JCAP 1103, 043 (2011); E. Aver, K. A. Olive, and E. D. Skillman, JCAP 1005, 003 (2010).ADSCrossRefGoogle Scholar
  18. 18.
    D. S. Gorbunov and V. A. Rubakov, Introduction to the Theory of the Early Universe: Hot Big Bang Theory (World Scientific, Singapore, 2011; URSS, Moscow, 2008).CrossRefGoogle Scholar

Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • A. D. Dolgov
    • 1
    • 2
    • 3
    • 4
  • S. I. Godunov
    • 1
    • 2
    • 5
  • A. N. Rozanov
    • 6
  • M. I. Vysotsky
    • 1
    • 2
    • 5
  1. 1.Alikhanov Institute of Theoretical and Experimental PhysicsMoscowRussia
  2. 2.Novosibirsk State UniversityNovosibirskRussia
  3. 3.Dipartimento di FisicaUniversità degli Studi di FerraraFerraraItaly
  4. 4.Istituto Nazionale di Fisica NucleareSezione di FerraraFerraraItaly
  5. 5.All-Russian Scientific Research Institute of AutomaticsMoscowRussia
  6. 6.CPPM IN2P3-CNRS- Université de MediterranceMarseilleFrance

Personalised recommendations