22-28 July 2010
Palais des Congrès de Paris
Europe/Paris timezone

Azimuthal correlations of forward di-pions in d+Au collisions suppressed by saturation

22 Jul 2010, 14:40
12m
Salle 253

Salle 253

Parallel Session Talk 08 - Heavy Ion Collisions and Soft Physics at Hadron Colliders 08 - Heavy Ion Collisions and Soft Physics at Hadron Colliders

Speaker

Dr Cyrille Marquet (Theory Division - CERN)

Description

The STAR collaboration has recently measured the azimuthal correlation function of forward di-pions. The data show a disapearance of the away-side peak in central d+Au collisions, compared to p+p collisions. We argue that this effect, absent at mid-rapidity, is a consequence of the small-x evolution into the saturation regime of the Gold nucleus wave function, and we show that the data can be quantitavely described in the Color Glass Condensate framework. This confirmation that forward monojets are produced in central d+Au collision is a concrete evidence for parton saturation.

Primary author

Dr Cyrille Marquet (Theory Division - CERN)

Co-author

Dr Javier Albacete (IPhT - CEA/Saclay)

Presentation Materials