The yield of charged particles associated with high-pt trigger particles (8<pt<15  GeV/c) is measured with the ALICE detector in Pb-Pb collisions at √sNN=2.76  TeV relative to proton-proton collisions at the same energy. The conditional per-trigger yields are extracted from the narrow jetlike correlation peaks in azimuthal dihadron correlations. In the 5% most central collisions, we observe that the yield of associated charged particles with transverse momenta pt>3  GeV/c on the away side drops to about 60% of that observed in pp collisions, while on the near side a moderate enhancement of 20%–30% is found.

Particle-Yield Modification in Jetlike Azimuthal Dihadron Correlations in Pb-Pb Collisions at √sNN=2.76  TeV / Aamodt, K., Abelev, B., Abrahantes Quintana, A., Adamová, D., Adare, A.M., Aggarwal, M.M., Aglieri Rinella, G., Agocs, A.G., Agostinelli, A., Aguilar Salazar, S., Ahammed, Z., Ahmad, N., Ahmad Masoodi, A., Ahn, S.U., Akindinov, A., Aleksandrov, D., Alessandro, B., Alfaro Molina, R., Alici, A., Alkin, A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 108:9(2012). [10.1103/PhysRevLett.108.092301]

Particle-Yield Modification in Jetlike Azimuthal Dihadron Correlations in Pb-Pb Collisions at √sNN=2.76  TeV

Bruno, G. E.;
2012

Abstract

The yield of charged particles associated with high-pt trigger particles (83  GeV/c on the away side drops to about 60% of that observed in pp collisions, while on the near side a moderate enhancement of 20%–30% is found.
2012
http://link.aps.org/doi/10.1103/PhysRevLett.108.092301
Particle-Yield Modification in Jetlike Azimuthal Dihadron Correlations in Pb-Pb Collisions at √sNN=2.76  TeV / Aamodt, K., Abelev, B., Abrahantes Quintana, A., Adamová, D., Adare, A.M., Aggarwal, M.M., Aglieri Rinella, G., Agocs, A.G., Agostinelli, A., Aguilar Salazar, S., Ahammed, Z., Ahmad, N., Ahmad Masoodi, A., Ahn, S.U., Akindinov, A., Aleksandrov, D., Alessandro, B., Alfaro Molina, R., Alici, A., Alkin, A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 108:9(2012). [10.1103/PhysRevLett.108.092301]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/1102
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