Cynthia Hadjidakis
IPN Orsay
Vendredi 22/06/2012, 14:00
Bat 703, p 45, CEA Saclay, Orme des Merisiers


Beam extraction technique by a bent crystal offers the possibility to

obtain a clean and collimated high energy beam without altering the

performance of the LHC. The multi-TeV proton and ion beams will allow

for the most energetic fixed-target experiments ever performed with

high luminosities. Such an experiment, tentatively named AFTER for "A

Fixed Target ExpeRiment" gives access to new domains of particle and

nuclear physics complementing that of collider experiments, in

particular, that of the Brookhaven's Relativistic Heavy Ion Collider

(RHIC) and the projects of Electron-ion colliders (EIC). By

instrumenting the target-rapidity region, gluon and heavy-quark

distributions in the proton, the neutron and the nuclei can be

accessed at large x. The fixed-target mode has the advantage to allow

for spin measurements with polarized target and for target-species

versatility providing the opportunity to study nuclear matter,

including the quark-gluon plasma. In this seminar, I will outline the

physics opportunities offered by the fixed-target mode at the LHC as

well as the expected luminosities and I will present a tentative

design for the AFTER experiment.

Contact : aobertel


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