low scale leptogenesis hidden sector baryogenesis
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LOW-SCALE LEPTOGENESIS & HIDDEN-SECTOR BARYOGENESIS Brian Shuve - PowerPoint PPT Presentation

LOW-SCALE LEPTOGENESIS & HIDDEN-SECTOR BARYOGENESIS Brian Shuve Testing CPV for Baryogenesis ACFI, UMass Amherst OUTLINE Overview of low-scale leptogenesis (~GeV RHNs) CPV and phenomenology of low-scale leptogenesis


  1. LOW-SCALE LEPTOGENESIS & HIDDEN-SECTOR BARYOGENESIS Brian Shuve 
 Testing CPV for Baryogenesis 
 ACFI, UMass Amherst

  2. OUTLINE • Overview of low-scale leptogenesis (~GeV RHNs) • CPV and phenomenology of low-scale leptogenesis • Hidden-sector baryogenesis (involving DM) 2

  3. <latexit sha1_base64="+5yWkMJ8scbdlaDf83y/+cCWqmY=">AB6XicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEUG9FLx4rGltoQ9lsN+3SzSbsToQS+hO8eFDx6j/y5r9x2+agrQ8GHu/NMDMvTKUw6LrfTmldW19o7xZ2dre2d2r7h8miTjPskYluh9RwKRT3UaDk7VRzGoeSt8LRzdRvPXFtRKIecJzyIKYDJSLBKFrpvquyXrXm1t0ZyDLxClKDAs1e9avbT1gWc4VMUmM6nptikFONgk+qXQzw1PKRnTAO5YqGnMT5LNTJ+TEKn0SJdqWQjJTf0/kNDZmHIe2M6Y4NIveVPzP62QYXQa5UGmGXLH5oiTBMy/Zv0heYM5dgSyrSwtxI2pJoytOlUbAje4svLxD+rX9W9u/Na47pIowxHcAyn4MEFNOAWmuADgwE8wyu8OdJ5cd6dj3lrySlmDuEPnM8fzHGNqw=</latexit> <latexit sha1_base64="+5yWkMJ8scbdlaDf83y/+cCWqmY=">AB6XicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEUG9FLx4rGltoQ9lsN+3SzSbsToQS+hO8eFDx6j/y5r9x2+agrQ8GHu/NMDMvTKUw6LrfTmldW19o7xZ2dre2d2r7h8miTjPskYluh9RwKRT3UaDk7VRzGoeSt8LRzdRvPXFtRKIecJzyIKYDJSLBKFrpvquyXrXm1t0ZyDLxClKDAs1e9avbT1gWc4VMUmM6nptikFONgk+qXQzw1PKRnTAO5YqGnMT5LNTJ+TEKn0SJdqWQjJTf0/kNDZmHIe2M6Y4NIveVPzP62QYXQa5UGmGXLH5oiTBMy/Zv0heYM5dgSyrSwtxI2pJoytOlUbAje4svLxD+rX9W9u/Na47pIowxHcAyn4MEFNOAWmuADgwE8wyu8OdJ5cd6dj3lrySlmDuEPnM8fzHGNqw=</latexit> <latexit sha1_base64="+5yWkMJ8scbdlaDf83y/+cCWqmY=">AB6XicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEUG9FLx4rGltoQ9lsN+3SzSbsToQS+hO8eFDx6j/y5r9x2+agrQ8GHu/NMDMvTKUw6LrfTmldW19o7xZ2dre2d2r7h8miTjPskYluh9RwKRT3UaDk7VRzGoeSt8LRzdRvPXFtRKIecJzyIKYDJSLBKFrpvquyXrXm1t0ZyDLxClKDAs1e9avbT1gWc4VMUmM6nptikFONgk+qXQzw1PKRnTAO5YqGnMT5LNTJ+TEKn0SJdqWQjJTf0/kNDZmHIe2M6Y4NIveVPzP62QYXQa5UGmGXLH5oiTBMy/Zv0heYM5dgSyrSwtxI2pJoytOlUbAje4svLxD+rX9W9u/Na47pIowxHcAyn4MEFNOAWmuADgwE8wyu8OdJ5cd6dj3lrySlmDuEPnM8fzHGNqw=</latexit> <latexit sha1_base64="+5yWkMJ8scbdlaDf83y/+cCWqmY=">AB6XicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEUG9FLx4rGltoQ9lsN+3SzSbsToQS+hO8eFDx6j/y5r9x2+agrQ8GHu/NMDMvTKUw6LrfTmldW19o7xZ2dre2d2r7h8miTjPskYluh9RwKRT3UaDk7VRzGoeSt8LRzdRvPXFtRKIecJzyIKYDJSLBKFrpvquyXrXm1t0ZyDLxClKDAs1e9avbT1gWc4VMUmM6nptikFONgk+qXQzw1PKRnTAO5YqGnMT5LNTJ+TEKn0SJdqWQjJTf0/kNDZmHIe2M6Y4NIveVPzP62QYXQa5UGmGXLH5oiTBMy/Zv0heYM5dgSyrSwtxI2pJoytOlUbAje4svLxD+rX9W9u/Na47pIowxHcAyn4MEFNOAWmuADgwE8wyu8OdJ5cd6dj3lrySlmDuEPnM8fzHGNqw=</latexit> LEPTOGENESIS: MOTIVATION Minkowski, PLB 67 (1977); Yanagida Conf. Proc C7902131 (1979); Mohapatra and Senjanovic, PRL 44 (1980)… • See-saw mechanism is minimal, natural model for neutrino masses L ν MSM = F α I L α Φ N I + M I ν 2 N 2 I N m ν ⇠ F 2 h Φ i 2 M N • Remarkably, 3 RH neutrinos at GeV-scale can account for neutrino masses, baryon asymmetry, DM! ⌘ ⇣ m N ◆ 2 ⌘ ✓ 100 GeV m ν | F | 2 ⇠ 10 − 14 ⇣ h Φ i 0 . 1 eV GeV Asaka, Shaposhnikov hep-ph/0503065, hep-ph/0505013 3

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