Overview of Leptogenesis and Dark Matter Study

This study delves into the intriguing connection between leptogenesis and dark matter, exploring the model, Higgs potential, CP asymmetry, decay parameters, washout effects, parameter space, and constraints. The research sheds light on the interplay between these two fundamental aspects of particle physics.

• Leptogenesis
• Dark Matter
• Particle Physics
• Model Study
• Interdisciplinary Research

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1. LEPTOGENESIS and DARK MATTER Ang Liu,Zhi-Long Han,Yi Jin,Fa-Xin Yang University of Jinan October 24,2019

2. Overview The Model Leptogenesis Dark Matter

3. Model ????? and Dark Sector R N yNR L ?? DM LG

4. Model Higgs Potential

5. Model 2 = = 2 1 T T PMNS U m ym y R U m N PMNS i c c s c s e 12 13 12 s 13 s 13 i i 2 2 = i i U s c c s s e c c s e s c diag ( e 1 , , e ) 1 2 PMNS 12 s 23 12 c 23 s 13 e 12 c 23 s 12 s 23 c 13 s 23 13 i i s c e c c 12 23 12 23 13 12 23 13 23 13 23 13 1 ( )2 2 1 = 2 y U m R m N PMNS R

6. LEPTOGENESIS CP asymmetry

7. LEPTOGENESIS ( 1 z ) M = = 1 K = D K z 1 z = H ( z 1 ) ( 2 z ) T 4 1 2 186 . 0 z 246 GeV M m = 3 = + WID Kz ( 1 z ) 1 WL W W W = 2 2 10 eV 10 GeV = ID L 2 4 28 28 = = Y Y Y ( ) B B L L 79 51

8. LEPTOGENESIS Decay Parameter

9. LEPTOGENESIS Washout Effect

10. LEPTOGENESIS Washout Effect

11. LEPTOGENESIS Parameter Space

12. DARK MATTER dY 45 Y = 3 N N Kz ( 1 z )( BR ) l 4 eq N dz 2 g Y dY 45 BR 45 BR Y 1 Y ( = + = N 3 3 N Kz [ ( 1 z ) BR U l z )] Kz ( 1 z ) 4 eq N 4 eq N dz 2 2 g Y 2 g Y

13. DARK MATTER Constraint Free Streaming Length a v v a t a t = = + eq eq eq NR dt da 0.624 In FS 2 a a a H a H rh rh NR 0 R 1 1 T g 0 , rh 3 = aFIMP NR 0 2 K 2 m g , 1 1 m keV 50 K 50 2 FIMP FS + 2 2 2 . 8 10 ( 1 09 . 0 In ( ) Mpc m K keV FIMP FS 0.01 Mpc Mpc 1 . 0

14. DARK MATTER m BR K FIMP 2 h 12 . 0 3 keV 25 10

15. CONCLUSIONS ?????ge Dark sector nesis Dark Matter ????? CP asymmetry is enhanced by small Washout effect is enhanced by small and big M 1 Mass of FIMP is keV 4 . 0 m keV 4 . 3

16. THANKS