Momentum Kick Model Description of the Ridge in Delta phi-Delta eta Correlation in pp Collisions at 7 TeV

Journal Article · Sat Jan 01 00:00:00 EST 2011 · Physical Review C

DOI:https://doi.org/10.1103/PhysRevC.84.024901· OSTI ID:1026735

Wong, Cheuk-Yin ^[1]

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1. ORNL

The near-side ridge structure in the {Delta}{phi}-{Delta}{eta} correlation observed by the CMS Collaboration for pp collisions at 7 TeV at the Large Hadron Collider can be explained by the momentum kick model in which the ridge particles are medium partons that suffer a collision with the jet and acquire a momentum kick along the jet direction. Similar to the early medium parton momentum distribution obtained in previous analysis for nucleus-nucleus collisions at {radical}s{sub NN} = 0.2 TeV, the early medium parton momentum distribution in pp collisions at 7 TeV exhibits a rapidity plateau as arising from particle production in a flux tube.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: DE-AC05-00OR22725
• OSTI ID: 1026735
• Journal Information: Physical Review C, Vol. 84, Issue 2; ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
DELTA BARYONS
DISTRIBUTION
ETA MESONS
HADRONS
PARTICLE PRODUCTION
PARTICLE RAPIDITY
PHI MESONS
PROTON-PROTON INTERACTIONS
TRANSVERSE MOMENTUM