Colloquium by Jonathan Feng - Fermilab Center for Particle ...

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LOW CROSS SECTION FRONTIER • Focus here on spin-independent results, which are typically normalized to X-proton cross sections • Weak interaction frontier: For masses ~ 100 GeV, many models 10 -44 cm 2 (see LHC below) CDMS in the Soudan mine (Minnesota) Aprile et al. (2010) (updated) 23 Mar 11 Feng 20
LOW MASS FRONTIER Collision rate should change as Earth’s velocity adds constructively/destructively with the Sun’s annual modulation Drukier, Freese, Spergel (1986) DAMA: 8σ signal with T ~ 1 year, max ~ June 2 DAMA low mass signal now supplemented by CoGeNT 23 Mar 11 Feng 21 DAMA (2008)
Page 1 and 2: WIMP PARADIGM: CURRENT STATUS FNAL
Page 3 and 4: THE COSMIC CONNECTION, c. 1977 “O
Page 5 and 6: DARK MATTER Known DM properties •
Page 7 and 8: 23 Mar 11 THE WEAK MASS SCALE • F
Page 9 and 10: 23 Mar 11 THE WIMP MIRACLE 10-3 σ0
Page 11 and 12: LEP’S COSMOLOGICAL LEGACY Gauge H
Page 13 and 14: INDIRECT DETECTION Dark Matter anni
Page 15 and 16: ARE THESE DARK MATTER? • Energy s
Page 17 and 18: DIRECT DETECTION • Can look for n
Page 19: LOWER LIMIT ON DIRECT DETECTION •
Page 23 and 24: SPIN-DEPENDENT SCATTERING 23 Mar 11
Page 25 and 26: CURRENT BOUNDS FOR SUSY Yellow: pre
Page 27 and 28: 23 Mar 11 THE SIGNIFICANCE OF 10 -4
Page 29 and 30: BEYOND WIMPS • Does the WIMP para
Page 31 and 32: FREEZE OUT WITH SUPERWIMPS WIMPs fr
Page 33 and 34: WARM SUPERWIMPS • SuperWIMPs are
Page 35 and 36: • In SUSY, however, there may be
Page 37: CONCLUSIONS • Particle Dark Matte

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