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DARK MATTER Which models for which experiments? Michel H.G. - PowerPoint PPT Presentation

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DARK MATTER Which models for which experiments? Michel H.G. Tytgat Universit Libre de Bruxelles Belgium Moriond Electroweak - March 17-23 2019 DARK MATTER Which experiments for which models? Michel H.G. Tytgat Universit Libre de

  1. DARK MATTER Which models for which experiments? Michel H.G. Tytgat Université Libre de Bruxelles Belgium Moriond Electroweak - March 17-23 2019

  2. DARK MATTER Which experiments for which models? Michel H.G. Tytgat Université Libre de Bruxelles Belgium Moriond Electroweak - March 17-23 2019

  3. PRINCIPLE DARK MATTER CANDIDATE NATURALNESS NEUTRALINO DEDUCTIVE APPROACH

  4. PRINCIPLE DARK MATTER CANDIDATE NATURALNESS NEUTRALINO DEDUCTIVE APPROACH EMPIRICAL APPROACH OBSERVATIONS DARK MATTER CANDIDATES SIMPLICITY, MINIMALITY,…

  5. DEDUCTIVE APPROACH EMPIRICAL APPROACH

  6. WIMP or ABUNDANCE FROM FREEZE-OUT 0.1 DM + DM − → SM + SM 0.001 x * weaker 10 - 5 weak! Y = n DM Y @ x D s Y • 10 - 7 stronger 10 - 9 Yeq 10 - 11 5 10 50 100 x = m ê T m DM /T

  7. WIMP or ABUNDANCE FROM FREEZE-OUT freezes when annihilation rate ~ DM expansion rate SM

  8. THE NEUTRALINO 0.1 relic abundance from 0.001 � x ∗ H � Y ∞ = thermal freeze-out � � σ v � s � x * x =1 10 - 5 Y = n X Y @ x D s Y • ⇥ σ v ⇤ � 3 · 10 − 26 cm 3 · s − 1 10 - 7 weak scale 10 - 9 Yeq physics? 10 - 11 5 10 50 100 x = m ê T x = m T

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sha1_base64="ePixF2/+R2mX5/8cVfUyUuw+p3I=">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</latexit> TOY (SIMPLE, MINIMAL,…) DARK MATTER Z 2 L ⊃ λ hs S 2 H † H with S → − S − Zee & Silveira (1985) “Phantom matter” Veltman & Yindurain (1989) Mc Donald (1994) Burgess, Pospelov & ter Veldhuis (2001) ...

  11. SINGLET SCALAR DIRECT DETECTION (LUX 2015) INVISIBLE HIGGS DECAY (LHC) LZ ABUNDANCE (PLANCK) Feng, Profumo & Ubaldi For a review, see Arcadi, Djouadi & Raidal, arXiv:1903.03616 (260 pages!)

  12. IS THE WIMP MIRACLE 
 A RED HERRING? Bertone and Tait, arXiv:1810.01668

  13. THE WANING OF THE WIMP? Arcadi et al arXiv:1703.07364

  14. PLAYING WITH PARTNERS (I) PARTNER DM SM SM

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