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Rencontres de Moriond EW 2009

Mar 7 – 14, 2009
La Thuile
Europe/Paris timezone

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Session

Flavour Physics - Dark Matter

S5
Mar 11, 2009, 8:30 AM
La Thuile

La Thuile

Rencontres de Moriond Planibel Hotel - La Thuile Aosta Valley 11016 La Thuile (Aosta), Italy Phone : 39 (0)1 65 88 45 41 Fax : 39 (0)1 65 88 45 35

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  1. 94. Results from KLOE
    Mr tommaso spadaro (KLOE/NA62)
    3/11/09, 8:30 AM
  2. 17. Search for an Ultra Light Higgs Boson in the Rare Decay $K_{L}\rightarrow\pi^{0}\pi^{0}\mu^{+}\mu^{-}$
    Mr David Phillips (Graduate Student)
    3/11/09, 8:50 AM
    Using data collected by the KTeV Experiment at Fermi National Accelerator Laboratory in Batavia, Illinois, this study will be the first experimental analysis of $K_{L}\rightarrow\pi^{0}\pi^{0}\mu^{+}\mu^{-}$. Although this decay mode is possible within the Standard Model, it is limited to a very narrow band of phase space. The HyperCP Experiment has recently observed three...
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  3. 28. Heavy scalar dark matter : constraints and observability
    Dr Fu-Sin LING (Service de Physique Théorique - U.L.B. (Brussels))
    3/11/09, 9:10 AM
    We investigate the possibility of having a TeV scale scalar dark matter candidate for different representations of SU(2)L. Aside from gauge interactions, scalar couplings are shown to play a key role. Their contributions to annihilation and DM-nucleon cross-sections are derived, and discussed in light of current direct and indirect dark matter detection experiments.
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  4. 40. The PAMELA Space Experiment
    Dr Emiliano Mocchiutti (INFN (Istituto Nazionale di Fisica Nucleare) Trieste)
    3/11/09, 9:30 AM
    On the 15th of June 2006, the PAMELA satellite-borne experiment was launched from the Baikonur cosmodrome and it has been collecting data since July 2006. The apparatus comprises a time-of-flight system, a silicon-microstrip magnetic spectrometer, a silicon-tungsten electromagnetic calorimeter, an anticoincidence system, a shower tail counter scintillator and a neutron detector. The...
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  5. 95. ATIC
    Mr Joachim Isbert (Louisiana State University Baton Rouge USA)
    3/11/09, 9:50 AM
  6. 0. Dark Matter and the PAMELA data
    Mr Marco CIRELLI (SPhT - CEA/Saclay)
    3/11/09, 10:25 AM
    Recent data from the PAMELA satellite and a number of balloon experiment have reported unexpected excesses in the measured fluxes of cosmic rays. Are these the first direct evidences for Dark Matter? If yes, which DM models and candidates can explain these anomalies and what do they imply for future searches? Is this all compatible with other constraints?
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  7. 26. Pamela and ATIC - an Astrophysicist View
    Prof. Tsvi Piran (Racah Institute for Physics Hebrew University Jerusalem Israel)
    3/11/09, 10:45 AM
    I review the astrophysical issues that are at the heart of the Pamela and ATIC observations. Specifically I stress the importance of diffusion and escape of Cosmic Rays from the Galaxy as well as the issue of cooling of Cosmic Ray leptons while traveling in the Galaxy. I summarize various astrophysical resolutions of these two observations. I then present a novel idea - the concentration...
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  8. 15. Antimatter cosmic rays : backgrounds or signals ?
    Mr Timur Delahaye (LAPTh (Annecy, France))
    3/11/09, 11:10 AM
    Recent PAMELA data seem to indicate an excess in positron cosmic rays around ~10 GeV that may be due to galactic Dark Matter particle annihilation. I will explain how the background of this signal is estimated and focus on the uncertainties that make our task difficult in constraining Dark Matter. I will explain how analysing simultaneously different cosmic ray particles is the only way...
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