Underlying event measurements in p+p collisions at s =200 GeV at RHIC

STAR Collaboration

doi:10.1103/PhysRevD.101.052004

Underlying event measurements in p+p collisions at s =200 GeV at RHIC

STAR Collaboration

Brookhaven National Laboratory
AGH University of Krakow
Ohio State University
University of Kentucky
Kent State University
Joint Institute for Nuclear Research
Panjab University
Variable Energy Cyclotron Centre
Russian Research Centre Kurchatov Institute
Moscow Engineering Physics Institute
Texas A&M University
Central China Normal University
Indian Institute of Science Education and Research, Berhampur
University of California at Riverside
Stony Brook University
University of Houston
University of Jammu
Czech Technical University in Prague
Czech Academy of Sciences
Shandong University
Rice University
Yale University
University of California at Davis
University of California at Los Angeles
National Cheng Kung University
Fudan University
University of Science and Technology of China
Tsinghua University
Creighton University
University of California at Berkeley
Eötvös Loránd University
Abilene Christian University
Heidelberg University
Institute for High Energy Physics
Lawrence Berkeley National Laboratory
Purdue University
Wayne State University
University of Tsukuba
University of Illinois at Chicago
Lehigh University
Southern Connecticut State University
Technische Universität Darmstadt
Valparaiso University
Indian Institute of Science Education and Research, Tirupati
American University in Cairo
Chinese Academy of Sciences
Pennsylvania State University
Indiana University Bloomington
Warsaw University of Technology
Goethe University Frankfurt
Argonne National Laboratory
Temple University
National Institute of Science Education and Research
University of Texas at Austin
Rutgers - The State University of New Jersey, New Brunswick
Max Planck Institute for Physics (Werner Heisenberg Institute)
Indian Institute of Technology Patna
Universidade de São Paulo
Huzhou University
Michigan State University
United States Naval Academy

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22 Citas (Scopus)

Resumen

Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum (pT) jet in proton+proton collisions at s=200 GeV is studied with the STAR detector. Each event is divided into three regions based on the azimuthal angle with respect to the highest-pT jet direction: In the leading jet direction ("Toward"), opposite to the leading jet ("Away"), and perpendicular to the leading jet ("Transverse"). In the Transverse region, the average charged particle density is found to be between 0.4 and 0.6

Idioma original	Inglés
Número de artículo	052004
Publicación	Physical Review D
Volumen	101
N.º	5
DOI	https://doi.org/10.1103/PhysRevD.101.052004
Estado	Publicada - 1 mar. 2020
Publicado de forma externa	Sí

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@article{f4a8d1a2d27e4aaf83f8f539743c84a2,

title = "Underlying event measurements in p+p collisions at s =200 GeV at RHIC",

abstract = "Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum (pT) jet in proton+proton collisions at s=200 GeV is studied with the STAR detector. Each event is divided into three regions based on the azimuthal angle with respect to the highest-pT jet direction: In the leading jet direction ({"}Toward{"}), opposite to the leading jet ({"}Away{"}), and perpendicular to the leading jet ({"}Transverse{"}). In the Transverse region, the average charged particle density is found to be between 0.4 and 0.6",

author = "J. Adam and L. Adamczyk and Adams, \{J. R.\} and Adkins, \{J. K.\} and S. Kabana and \{STAR Collaboration\}",

note = "Publisher Copyright: {\textcopyright}, between 0.5 and 0.7 GeV/c for particles with pT>0.2 GeV/c at mid-pseudorapidity (|η|<1) and jet pT>15 GeV/c. Both average particle density and {\textcopyright} depend weakly on the leading jet pT. Closer inspection of the Transverse region hints that contributions to the underlying event from initial- A nd final-state radiation are significantly smaller in these collisions than at the higher energies, up to 13 TeV, recorded at the LHC. Underlying event measurements associated with a high-pT jet will contribute to our understanding of QCD processes at hard and soft scales at RHIC energies, as well as provide constraints to modeling of underlying event dynamics. {\textcopyright} 2020 American Physical Society.",

year = "2020",

month = mar,

day = "1",

doi = "10.1103/PhysRevD.101.052004",

language = "English",

volume = "101",

journal = "Physical Review D",

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AU - Adam, J.

AU - Adamczyk, L.

AU - Adams, J. R.

AU - Adkins, J. K.

AU - Kabana, S.

AU - STAR Collaboration

N1 - Publisher Copyright: ©, between 0.5 and 0.7 GeV/c for particles with pT>0.2 GeV/c at mid-pseudorapidity (|η|<1) and jet pT>15 GeV/c. Both average particle density and © depend weakly on the leading jet pT. Closer inspection of the Transverse region hints that contributions to the underlying event from initial- A nd final-state radiation are significantly smaller in these collisions than at the higher energies, up to 13 TeV, recorded at the LHC. Underlying event measurements associated with a high-pT jet will contribute to our understanding of QCD processes at hard and soft scales at RHIC energies, as well as provide constraints to modeling of underlying event dynamics. © 2020 American Physical Society.

PY - 2020/3/1

Y1 - 2020/3/1

N2 - Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum (pT) jet in proton+proton collisions at s=200 GeV is studied with the STAR detector. Each event is divided into three regions based on the azimuthal angle with respect to the highest-pT jet direction: In the leading jet direction ("Toward"), opposite to the leading jet ("Away"), and perpendicular to the leading jet ("Transverse"). In the Transverse region, the average charged particle density is found to be between 0.4 and 0.6

AB - Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum (pT) jet in proton+proton collisions at s=200 GeV is studied with the STAR detector. Each event is divided into three regions based on the azimuthal angle with respect to the highest-pT jet direction: In the leading jet direction ("Toward"), opposite to the leading jet ("Away"), and perpendicular to the leading jet ("Transverse"). In the Transverse region, the average charged particle density is found to be between 0.4 and 0.6

UR - https://www.scopus.com/pages/publications/85083517688

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DO - 10.1103/PhysRevD.101.052004

M3 - Article

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JO - Physical Review D

JF - Physical Review D

IS - 5

M1 - 052004

ER -

Underlying event measurements in p+p collisions at s =200 GeV at RHIC

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