Azimuthal transverse single-spin asymmetries of inclusive jets and identified hadrons within jets from polarized pp collisions at s =200 GeV

(STAR Collaboration)

doi:10.1103/PhysRevD.106.072010

Azimuthal transverse single-spin asymmetries of inclusive jets and identified hadrons within jets from polarized pp collisions at s =200 GeV

(STAR Collaboration)

Chemistry

American University in Cairo
Texas A&M University
Brookhaven National Laboratory
AGH University of Krakow
Ohio State University
University of Kentucky
Panjab University
Variable Energy Cyclotron Centre India
Central China Normal University
Abilene Christian University
Universidad de Tarapacá
University of California at Riverside
University of Houston
Stony Brook University
University of Jammu
Czech Technical University in Prague
Czech Academy of Sciences
Chinese Academy of Sciences
Yale University
University of California at Davis
Lawrence Berkeley National Laboratory
University of California at Los Angeles
Indiana University Bloomington
Warsaw University of Technology
Shandong University
Fudan University
University of Science and Technology of China
Tsinghua University
University of California at Berkeley
Eötvös Loránd University
Heidelberg University

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Abstract

The STAR Collaboration reports measurements of the transverse single-spin asymmetries, AN, for inclusive jets and identified "hadrons within jets"production at midrapidity from transversely polarized pp collisions at s=200 GeV, based on data recorded in 2012 and 2015. The inclusive jet asymmetry measurements include AN for inclusive jets and AN for jets containing a charged pion carrying a momentum fraction z>0.3 of the jet momentum. The identified hadron within jet asymmetry measurements include the Collins effect for charged pions, kaons, and protons, and the Collins-like effect for charged pions. The measured asymmetries are determined for several distinct kinematic regions characterized by the jet transverse momentum pT and pseudorapidity η, as well as the hadron momentum fraction z and momentum transverse to the jet axis jT. These results probe higher momentum scales (Q2 up to ∼900 GeV2) than current, semi-inclusive deep-inelastic scattering measurements, and they provide new constraints on quark transversity in the proton and enable tests of evolution, universality, and factorization breaking in the transverse-momentum-dependent formalism.

Original language	English
Journal	Physical Review D
Volume	106
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.106.072010
State	Published - Oct 1 2022

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10.1103/PhysRevD.106.072010

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@article{5a1b12b373f247deb70af16f025f3eba,

title = "Azimuthal transverse single-spin asymmetries of inclusive jets and identified hadrons within jets from polarized pp collisions at s =200 GeV",

abstract = "The STAR Collaboration reports measurements of the transverse single-spin asymmetries, AN, for inclusive jets and identified {"}hadrons within jets{"}production at midrapidity from transversely polarized pp collisions at s=200 GeV, based on data recorded in 2012 and 2015. The inclusive jet asymmetry measurements include AN for inclusive jets and AN for jets containing a charged pion carrying a momentum fraction z>0.3 of the jet momentum. The identified hadron within jet asymmetry measurements include the Collins effect for charged pions, kaons, and protons, and the Collins-like effect for charged pions. The measured asymmetries are determined for several distinct kinematic regions characterized by the jet transverse momentum pT and pseudorapidity η, as well as the hadron momentum fraction z and momentum transverse to the jet axis jT. These results probe higher momentum scales (Q2 up to ∼900 GeV2) than current, semi-inclusive deep-inelastic scattering measurements, and they provide new constraints on quark transversity in the proton and enable tests of evolution, universality, and factorization breaking in the transverse-momentum-dependent formalism.",

author = "\{(STAR Collaboration)\} and Abdallah, \{M. S.\} and Aboona, \{B. E.\} and J. Adam and L. Adamczyk and Adams, \{J. R.\} and Adkins, \{J. K.\} and I. Aggarwal and Aggarwal, \{M. M.\} and Z. Ahammed and Anderson, \{D. M.\} and Aschenauer, \{E. C.\} and Ashraf, \{M. U.\} and J. Atchison and V. Bairathi and W. Baker and \{Ball Cap\}, \{J. G.\} and K. Barish and A. Behera and R. Bellwied and P. Bhagat and A. Bhasin and J. Bielcik and J. Bielcikova and Brandenburg, \{J. D.\} and Cai, \{X. Z.\} and H. Caines and \{Calder{\'o}n De La Barca S{\'a}nchez\}, M. and D. Cebra and I. Chakaberia and P. Chaloupka and Chan, \{B. K.\} and Z. Chang and A. Chatterjee and S. Chattopadhyay and D. Chen and J. Chen and Chen, \{J. H.\} and X. Chen and Z. Chen and J. Cheng and S. Choudhury and W. Christie and X. Chu and Crawford, \{H. J.\} and M. Csan{\'a}d and M. Daugherity and Deppner, \{I. M.\} and A. Dhamija and J. Jia and R. Lacey",

note = "Publisher Copyright: {\textcopyright} 2022 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"}Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.",

year = "2022",

month = oct,

day = "1",

doi = "10.1103/PhysRevD.106.072010",

language = "English",

volume = "106",

journal = "Physical Review D",

issn = "2470-0010",

number = "7",

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TY - JOUR

T1 - Azimuthal transverse single-spin asymmetries of inclusive jets and identified hadrons within jets from polarized pp collisions at s =200 GeV

AU - (STAR Collaboration)

AU - Abdallah, M. S.

AU - Aboona, B. E.

AU - Adam, J.

AU - Adamczyk, L.

AU - Adams, J. R.

AU - Adkins, J. K.

AU - Aggarwal, I.

AU - Aggarwal, M. M.

AU - Ahammed, Z.

AU - Anderson, D. M.

AU - Aschenauer, E. C.

AU - Ashraf, M. U.

AU - Atchison, J.

AU - Bairathi, V.

AU - Baker, W.

AU - Ball Cap, J. G.

AU - Barish, K.

AU - Behera, A.

AU - Bellwied, R.

AU - Bhagat, P.

AU - Bhasin, A.

AU - Bielcik, J.

AU - Bielcikova, J.

AU - Brandenburg, J. D.

AU - Cai, X. Z.

AU - Caines, H.

AU - Calderón De La Barca Sánchez, M.

AU - Cebra, D.

AU - Chakaberia, I.

AU - Chaloupka, P.

AU - Chan, B. K.

AU - Chang, Z.

AU - Chatterjee, A.

AU - Chattopadhyay, S.

AU - Chen, D.

AU - Chen, J.

AU - Chen, J. H.

AU - Chen, X.

AU - Chen, Z.

AU - Cheng, J.

AU - Choudhury, S.

AU - Christie, W.

AU - Chu, X.

AU - Crawford, H. J.

AU - Csanád, M.

AU - Daugherity, M.

AU - Deppner, I. M.

AU - Dhamija, A.

AU - Jia, J.

AU - Lacey, R.

N1 - Publisher Copyright: © 2022 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

PY - 2022/10/1

Y1 - 2022/10/1

N2 - The STAR Collaboration reports measurements of the transverse single-spin asymmetries, AN, for inclusive jets and identified "hadrons within jets"production at midrapidity from transversely polarized pp collisions at s=200 GeV, based on data recorded in 2012 and 2015. The inclusive jet asymmetry measurements include AN for inclusive jets and AN for jets containing a charged pion carrying a momentum fraction z>0.3 of the jet momentum. The identified hadron within jet asymmetry measurements include the Collins effect for charged pions, kaons, and protons, and the Collins-like effect for charged pions. The measured asymmetries are determined for several distinct kinematic regions characterized by the jet transverse momentum pT and pseudorapidity η, as well as the hadron momentum fraction z and momentum transverse to the jet axis jT. These results probe higher momentum scales (Q2 up to ∼900 GeV2) than current, semi-inclusive deep-inelastic scattering measurements, and they provide new constraints on quark transversity in the proton and enable tests of evolution, universality, and factorization breaking in the transverse-momentum-dependent formalism.

AB - The STAR Collaboration reports measurements of the transverse single-spin asymmetries, AN, for inclusive jets and identified "hadrons within jets"production at midrapidity from transversely polarized pp collisions at s=200 GeV, based on data recorded in 2012 and 2015. The inclusive jet asymmetry measurements include AN for inclusive jets and AN for jets containing a charged pion carrying a momentum fraction z>0.3 of the jet momentum. The identified hadron within jet asymmetry measurements include the Collins effect for charged pions, kaons, and protons, and the Collins-like effect for charged pions. The measured asymmetries are determined for several distinct kinematic regions characterized by the jet transverse momentum pT and pseudorapidity η, as well as the hadron momentum fraction z and momentum transverse to the jet axis jT. These results probe higher momentum scales (Q2 up to ∼900 GeV2) than current, semi-inclusive deep-inelastic scattering measurements, and they provide new constraints on quark transversity in the proton and enable tests of evolution, universality, and factorization breaking in the transverse-momentum-dependent formalism.

UR - https://www.scopus.com/pages/publications/85142532949

U2 - 10.1103/PhysRevD.106.072010

DO - 10.1103/PhysRevD.106.072010

M3 - Article

AN - SCOPUS:85142532949

SN - 2470-0010

VL - 106

JO - Physical Review D

JF - Physical Review D

IS - 7

ER -

Azimuthal transverse single-spin asymmetries of inclusive jets and identified hadrons within jets from polarized pp collisions at s =200 GeV

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