[Cosmo-torun] light dark matter - work plan

[Boud Roukema]

witam cosmo-torun

cosmo workshop:

    16.00 Friday 22 May @KRA:

    Light Dark Matter - research methods and observational prospects

    Agnieszka Szaniewska

The DAMA results look good (8.2 sigma is pretty significant!), but
chances are the nbDM is a *mix* of many different particles. The 
INTEGRAL/SPI 511keV detection has to be explained somehow, so LDM
continues to be the best explanation so far.

pozdr
boud



On Tue, 19 May 2009, Boud Roukema wrote:

> witam cosmo-torun,
>
> The DAMA detections of nbDM seem to be getting even stronger!
>
> Bernabei et al. ArXiv:0804.2741 now have their annual modulation
> signal of non-baryonic dark matter from the Galactic DM Halo detected
> "at 8.2 sigma CL": DAMA/NaI + DAMA/LIBRA.  Figures 2, 4 and 8 are
> especially impressive.
>
> Savage et al. have a nice article ArXiv:0808.3607 showing the regions
> of parameter space for WIMPS for which are consistent with both the
> DAMA detection and all the non-detections in other experiments.
> E.g. spin-dependent, proton-only couplings for a particle mass of
> about 5-9 GeV are one region compatible with all the data.
>
> This doesn't stop LDM (light dark matter) *also* being a correct
> hypothesis for nbDM - multiple DM particles may contribute together to
> non-baryonic DM.
>
> pozdr
> boud
>
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