jeudi 27 novembre 2008

Recent results on cosmic ray electrons and positrons

A dedicated session on the recent results of cosmic ray electrons and positrons will be organized in the next future. Meanwhile, you can have a look at the papers on the data:

PAMELA DATA
arXiv: 0810.4995 
Observation of an anomalous positron abundance in the cosmic radiation

ATIC
Nature Letters vol. 456 page 362
An excess of cosmic ray electrons at energies of 300-800 geV

HESS
arXiv: 0811.3894
The energy spectrum of cosmic-ray electrons at TeV energies

arXiv:0810.2826

Je peux présenter cet article:

arXiv:0810.2826
Title: The relation between stellar mass and weak lensing signal around galaxies: Implications for MOND
Authors: Lanlan Tian, Henk Hoekstra, Hongsheng Zhao

vendredi 21 novembre 2008

Cafe GReCO, 24 November 2009

We resume our weekly meetings on Monday, 24/11/2009. In occasion of the first meeting of the new academic year, we will introduce the new members and discuss about the organization issues (organizers, topics to be discussed, structure of the meetings etc.). We expect this meeting to last 1/2 hour or so, so please grab a cup of coffee and meet us at 1.30pm in Salle du Conseil.