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http://agenda.albanova.se/contributionDisplay.py?contribId=389&sessionId=257&confId=355
This came out at the Identification of Dark Matter (IDM-2008) meeting in Stockholm on 18-22 August
PAMELA - an experiment searching for dark matter with cosmic antiparticles
"The PAMELA satellite experiment was launched into low Earth orbit on June 15th 2006 for a 3 year mission. The combination of a permanent magnet silicon strip spectrometer, and a silicon-tungsten imaging calorimeter allows precision studies of the charged cosmic radiation to be conducted over a wide
energy range (~100 MeV - ~200 GeV) with high statistics. The primary scientific goal is the measurement of antiparticle energy spectra, allowing a search
for exotic sources such as dark matter particle annihilations. The status of the PAMELA experiment will be reviewed with a particular focus on results concerning antiprotons and positrons."
Primary Authors: Prof. PEARCE, Mark (KTH Fysik)
Presenters: Dr. BOEZIO, Mirko
20-Aug-2008 15:30
Duration: 40 minutes
It is rumored that they reported seeing an excess of astrophysical positrons---possible evidence of dark matter annihilation. This would have implications for various Beyond the Standard research, and for cosmology. Maps of the dark matter clouds in and around clusters of galaxies have been made using weak gravitational lensing. We see the stuff and can map it but so far we didn't get any confirmed signals from it. So if the rumor checks out it could be a first.
Somebody calling themselves Pamela posted about this at Not Even Wrong blog.
http://www.math.columbia.edu/~woit/wordpress/?p=798#comment-42855
This came out at the Identification of Dark Matter (IDM-2008) meeting in Stockholm on 18-22 August
PAMELA - an experiment searching for dark matter with cosmic antiparticles
"The PAMELA satellite experiment was launched into low Earth orbit on June 15th 2006 for a 3 year mission. The combination of a permanent magnet silicon strip spectrometer, and a silicon-tungsten imaging calorimeter allows precision studies of the charged cosmic radiation to be conducted over a wide
energy range (~100 MeV - ~200 GeV) with high statistics. The primary scientific goal is the measurement of antiparticle energy spectra, allowing a search
for exotic sources such as dark matter particle annihilations. The status of the PAMELA experiment will be reviewed with a particular focus on results concerning antiprotons and positrons."
Primary Authors: Prof. PEARCE, Mark (KTH Fysik)
Presenters: Dr. BOEZIO, Mirko
20-Aug-2008 15:30
Duration: 40 minutes
It is rumored that they reported seeing an excess of astrophysical positrons---possible evidence of dark matter annihilation. This would have implications for various Beyond the Standard research, and for cosmology. Maps of the dark matter clouds in and around clusters of galaxies have been made using weak gravitational lensing. We see the stuff and can map it but so far we didn't get any confirmed signals from it. So if the rumor checks out it could be a first.
Somebody calling themselves Pamela posted about this at Not Even Wrong blog.
http://www.math.columbia.edu/~woit/wordpress/?p=798#comment-42855
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