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Precise Study of the Z/{gamma} Boson Transverse Momentum Distribution in pp Collisions Using a Novel Technique

Using 7.3 fb{sup -1} of pp collisions collected by the D0 detector at the Fermilab Tevatron, we measure the distribution of the variable {phi}{sub {eta}*}, which probes the same physical effects as the Z/{gamma}* boson transverse momentum, but is less susceptible to the effects of experimental resol...

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Published in:	Physical review letters 2011-03, Vol.106 (12)
Main Authors:	Abazov, V. M., Alexeev, G. D., Golovanov, G., Kharzheev, Y. N., Malyshev, V. L., Tokmenin, V. V., Vertogradov, L. S., Yatsunenko, Y. A., Abbott, B., Gutierrez, P., Hossain, S., Severini, H., Skubic, P., Strauss, M., Svoisky, P., Abolins, M., Brock, R., Edmunds, D., Fisher, W., Kraus, J.
Format:	Article
Language:	English
Subjects:	ACCELERATORS BARYON-BARYON INTERACTIONS BOSONS CYCLIC ACCELERATORS DISTRIBUTION FERMILAB TEVATRON FIELD THEORIES HADRON-HADRON INTERACTIONS INTERACTIONS LINEAR MOMENTUM NUCLEON-NUCLEON INTERACTIONS PARTICLE INTERACTIONS PARTICLE PROPERTIES PARTICLE RAPIDITY PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PROTON-NUCLEON INTERACTIONS PROTON-PROTON INTERACTIONS QUANTUM CHROMODYNAMICS QUANTUM FIELD THEORY SYNCHROTRONS TRANSVERSE MOMENTUM
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container_title	Physical review letters
container_volume	106
creator	Abazov, V. M. Alexeev, G. D. Golovanov, G. Kharzheev, Y. N. Malyshev, V. L. Tokmenin, V. V. Vertogradov, L. S. Yatsunenko, Y. A. Abbott, B. Gutierrez, P. Hossain, S. Severini, H. Skubic, P. Strauss, M. Svoisky, P. Abolins, M. Brock, R. Edmunds, D. Fisher, W. Kraus, J.
description	Using 7.3 fb{sup -1} of pp collisions collected by the D0 detector at the Fermilab Tevatron, we measure the distribution of the variable {phi}{sub {eta}}, which probes the same physical effects as the Z/{gamma} boson transverse momentum, but is less susceptible to the effects of experimental resolution and efficiency. A QCD prediction is found to describe the general features of the {phi}{sub {eta}*} distribution, but is unable to describe its detailed shape or dependence on boson rapidity. A prediction that includes a broadening of transverse momentum for small values of the parton momentum fraction is strongly disfavored.
doi_str_mv	10.1103/PHYSREVLETT.106.122001
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source	American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list)
subjects	ACCELERATORS BARYON-BARYON INTERACTIONS BOSONS CYCLIC ACCELERATORS DISTRIBUTION FERMILAB TEVATRON FIELD THEORIES HADRON-HADRON INTERACTIONS INTERACTIONS LINEAR MOMENTUM NUCLEON-NUCLEON INTERACTIONS PARTICLE INTERACTIONS PARTICLE PROPERTIES PARTICLE RAPIDITY PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PROTON-NUCLEON INTERACTIONS PROTON-PROTON INTERACTIONS QUANTUM CHROMODYNAMICS QUANTUM FIELD THEORY SYNCHROTRONS TRANSVERSE MOMENTUM
title	Precise Study of the Z/{gamma} Boson Transverse Momentum Distribution in pp Collisions Using a Novel Technique
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