Measurement of the kT Distribution of Particles in Jets Produced in pp̅ Collisions at √s=1.96  TeV

Show full item record



Permalink

http://hdl.handle.net/10138/24409

Citation

Aaltonen , T , Mehtälä , P , Orava , R , Mäki , T , Saarikko , H , Österberg , K & CDF Collaboration 2009 , ' Measurement of the kT Distribution of Particles in Jets Produced in pp̅ Collisions at √s=1.96  TeV ' , Physical Review Letters , vol. 102 , no. 23 , pp. 232002 . https://doi.org/10.1103/PhysRevLett.102.232002

Title: Measurement of the kT Distribution of Particles in Jets Produced in pp̅ Collisions at √s=1.96  TeV
Alternative title: Measurement of the kT Distribution of Particles in Jets Produced in ppbar Collisions at s**(1/2)=1.96$-TeV
Author: Aaltonen, T.; Mehtälä, Petteri; Orava, Risto; Mäki, Tuula; Saarikko, Heimo; Österberg, Kenneth; CDF Collaboration
Contributor organization: Helsinki Institute of Physics
Department of Physics
Particle Physics and Astrophysics
Date: 2009
Language: eng
Number of pages: 8
Belongs to series: Physical Review Letters
ISSN: 0031-9007
DOI: https://doi.org/10.1103/PhysRevLett.102.232002
URI: http://hdl.handle.net/10138/24409
Abstract: We present a measurement of the transverse momentum with respect to the jet axis ($k_{T}$) of particles in jets produced in $p\bar p$ collisions at $\sqrt{s}=1.96$ TeV. Results are obtained for charged particles within a cone of opening angle 0.5 radians around the jet axis in events with dijet invariant masses between 66 and 737 GeV/c$^{2}$. The experimental data are compared to theoretical predictions obtained for fragmentation partons within the framework of resummed perturbative QCD using the modified leading log and next-to-modified leading log approximations. The comparison shows that trends in data are successfully described by the theoretical predictions, indicating that the perturbative QCD stage of jet fragmentation is dominant in shaping basic jet characteristics.We present a measurement of the transverse momentum with respect to the jet axis (kt) of particles in jets produced in pp̅ collisions at √s=1.96  TeV. Results are obtained for charged particles in a cone of 0.5 radians around the jet axis in events with dijet invariant masses between 66 and 737  GeV/c2. The experimental data are compared to theoretical predictions obtained for fragmentation partons within the framework of resummed perturbative QCD using the modified leading log and next-to-modified leading log approximations. The comparison shows that trends in data are successfully described by the theoretical predictions, indicating that the perturbative QCD stage of jet fragmentation is dominant in shaping basic jet characteristics.
Description: Submitted to PRL
Subject: 114 Physical sciences
hep-ex
Peer reviewed: Yes
Usage restriction: restrictedAccess


Files in this item

Total number of downloads: Loading...

Files Size Format View
0811.2820v1 273.3Kb PDF View/Open

This item appears in the following Collection(s)

Show full item record