DARK SECTORS. Flip Tanedo. UC Riverside Particle Theory. 3 Feb 2017 Washington D.C. APS Topical Group on Hadronic Physics

Transcription

1 THE WHYS AND HOWS OF LIFE AFTER WIMPS Flip Tando UC Rivrsid Particl Thory 3 Fb 20 Washington D.C. APS Topical Group on Hadronic Physics 1

2 Astro + Cosmo: Dark Mattr Exists GALACTIC ROTATION CURVES GRAVITATIONAL LENSING COSMIC MICROWAVE BACKGROUND 27% 5% Standard Modl is not complt 68% Imags: Jff Filippini (Brkly Cosmology 2005), NASA APOD 2006, NASA WMAP 2

3 Wakly-Intracting Massiv Particls INTERACTS VIA WEAK FORCE (W and Z BOSONS) Explains: Why is thr so much dark mattr around? WEAK SCALE MASS ~ 100 GV OBSERVED AMOUNT OF DARK MATTER TODAY SM Z WEAK FORCE captur h pb h ann vi SM WEAK SCALE ANNIHILATION RATE dark mattr annihilation vs. xpansion of univrs 3

4 WIMP Complmntarity W E A K F O RC E? Dark Mattr Standard Modl How Dark Mattr talks to th Standard Modl Dark mattr sarchs rlatd by crossing symmtry: I ND IR E CT sm χ. C OLLID ER χ. sm sm sm χ ION AT ION T A ANNI HIL ANNI HIL sm. sm χ χ D I R EC T RE DI CO L LI D E R DIRECT CT N χ IO T EC D E T SECTORS DARK CO L LI D E R 4

5 Tough Tims for WIMPs 5

6 a n n ihilation WIMP Sarchs vs. Light Mdiators I ND IR E CT A xx Mdiator Dark Mattr 0 Standard Modl D I R EC T C OLLID ER q ANNI HIL q ION AT A 0 N captur N CO L LI D E R DIRECT can kp thrmal rlic! 6

7 Rnormalizabl Portals Dark Mattr Mdiator Higgs Standard Modl Dark Mattr Mdiator R Standard Modl BENCHMARK IN THIS TALK Dark Mattr U(1) Kintic Mixing Standard Modl plus variations of ach portal 7

8 Dark Mattr IND IRE CT a n n ihilation Nw Sarchs with Light Mdiators DIRECT A0 ION AT N captur 0 A0 SELF SM Halo Morpholo A0 SIDM particls follow th SM SM N 8 6 z HkpcL ANNI HIL A Standard Modl MED IATOR PR OD UC TION SM A 0 Mdiator 4 C d 2 DIRECT CO L LI D E R R HkpcL 6 8 constant dnsity contours acclrators astro Kaplinghat, Lindn, Kly, HBY (2013) (PR 8

9 Stp 1: Mdiator Production EXAMPLES OF LIGHT MEDIATOR PRODUCTION STRATEGIES A A 0 A A 0 0 A 0 N N A annihilation brmsstrahlung mson dcay Othrs: Drll-Yan, nuclar transitions, Higgs dcays, 9

10 Stp 2: Mdiator Dcay Mdiator Mass Dark Mattr Mass Adaptd from Natalia Toro, Dark Sctors 20 ( ) 10

11 Intraction with Standard Modl xisting bounds prompt LIMITED BY STATISTICS LIMITED BY VERTEXING displacd vrtx Mdiator Mass A 0 Adaptd from , , N. Toro at Dark Sctors 20 11

12 Acclrator sarchs, Dark Sctors 20 ( ) 12

13 Othr Sarchs for Mdiators HALO PROFILE 13

14 Exampl: Earth Captur EQUILIBRIUM TIME WIMPs ar nvr in quilibrium Mdiators chang vrything = 1 p Ccap C ann Ṅ = C cap C ann N 2 Fng, Smolinsky, Tando ( ) 14

15 Conclusion Light mdiators avoid th tightst WIMP bounds whil offring nw sarch opportunitis Wll motivatd (rnormalizabl portals), prmits thrmal frz out, compatibl with many classs of nw physics REFERENCE AND UPCOMING WORKSHOP Usful rfrnc: (Dark Sctors 2016 rport) US Cosmic Vision: Nw Idas in Dark Mattr (UMD March) OTHER DIRECTIONS BEYOND A VANILLA WIMP primordial black hols (no nw DM particl), low-mass/axion/ axion-lik dark mattr, asymmtric dark mattr, non-thrmal/ frz-in, strongly intracting massiv particls (3-to-2 annihilation), inlastic, diffrnt spins, strong dynamics, 15

16 Extra Slids 16

17 EFT vs. Simplifid Modl mdiator dynamics bcom rlvant Mdiator Coupling simplifid modl bcoms strongly coupld Collidr Rach EFT both valid Simplifid Modl Adaptd from Tim Tait, UCLA DM 2016 Mdiator Mass