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Baryogenesis via particle-antiparticle oscillations

Abstract:

CP violation, which is crucial for producing the baryon asymmetry of the Universe, is enhanced in particle-antiparticle oscillations. We study particle-antiparticle oscillations [of a particle with mass O(100 GeV)] with CP violation in the early Universe in the presence of interactions with O(ab-fb) cross sections. We show that if baryon-number-violating interactions exist, a baryon asymmetry can be produced via out-of-equilibrium decays of oscillating particles. As a concrete example we stud...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevD.93.123528

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
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Name:
United States Department of Energy
Grant:
DE-SC0011637
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Name:
International Balzan Prize Foundation
Publisher:
American Physical Society
Journal:
Physical Review D More from this journal
Volume:
93
Issue:
123528
Publication date:
2016-06-29
Acceptance date:
2016-04-14
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
Keywords:
Pubs id:
pubs:614613
UUID:
uuid:c807113e-6518-4851-adb6-52861b31aa1a
Local pid:
pubs:614613
Source identifiers:
614613
Deposit date:
2016-08-17

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