- Záznam pochází z PubMed
Hyperon Polarization along the Beam Direction Relative to the Second and Third Harmonic Event Planes in Isobar Collisions at sqrt[s_{NN}]=200 GeV
- Abdulhamid, M I
- Aboona, B E
- Adam, J
- Adams, J R
- Agakishiev, G
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- Fatemi, R
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- Finch, E
- Fisyak, Y
- Flor, F A
- Fu, C
- Gao, T
- Geurts, F
- Ghimire, N
- Gibson, A
- Gopal, K
- Gou, X
- Grosnick, D
- Gupta, A
- Hamed, A
- Han, Y
- Harasty, M D
- Harris, J W
- Harrison-Smith, H
- He, W
- He, X H
- He, Y
- Hu, C
- Hu, Q
- Hu, Y
- Huang, H
- Huang, H Z
- Huang, S L
- Huang, T
- Huang, X
- Huang, Y
- Huang, Y
- Humanic, T J
- Isenhower, D
- Isshiki, M
- Jacobs, W W
- Jalotra, A
- Jena, C
- Ji, Y
- Jia, J
- Jin, C
- Ju, X
- Judd, E G
- Kabana, S
- Kabir, M L
- Kalinkin, D
- Kang, K
- Kapukchyan, D
- Kauder, K
- Keane, D
- Kechechyan, A
- Kelsey, M
- Kimelman, B
- Kiselev, A
- Knospe, A G
- Ko, H S
- Kochenda, L
- Korobitsin, A A
- Kravtsov, P
- Kumar, L
- Kumar, S
- Elayavalli, R Kunnawalkam
- Lacey, R
- Landgraf, J M
- Lebedev, A
- Lednicky, R
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- Leung, Y H
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- Ma, L
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- Tribble, R E
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- Upsal, I
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- Vasiliev, A N
- Verkest, V
- Videbæk, F
- Vokal, S
- Voloshin, S A
- Wang, F
- Wang, G
- Wang, J S
- Wang, J
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- Weidenkaff, P C
- Westfall, G D
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- Wissink, S W
- Wu, J
- Wu, J
- Wu, X
- Wu, X
- Wu, Y
- Xi, B
- Xiao, Z G
- Xie, G
- Xie, W
- Xu, H
- Xu, N
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- Xu, Z
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- Yan, G
- Yan, Z
- Yang, C
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- Ye, Z
- Ye, Z
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- Yip, K
- Yu, Y
- Zha, W
- Zhang, C
- Zhang, D
- Zhang, J
- Zhang, S
- Zhang, W
- Zhang, X
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- Zhang, Y
- Zhang, Y
- Zhang, Y
- Zhang, Z J
- Zhang, Z
- Zhang, Z
- Zhao, F
- Zhao, J
- Zhao, M
- Zhou, C
- Zhou, J
- Zhou, S
- Zhou, Y
- Zhu, X
- Zurek, M
- Zyzak, M
- STAR Collaboration
Status PubMed-not-MEDLINE Jazyk angličtina Země Spojené státy americké Médium print
Typ dokumentu časopisecké články
PubMed
38039468
DOI
10.1103/physrevlett.131.202301
Knihovny.cz E-zdroje
- Publikační typ
- časopisecké články MeSH
The polarization of Λ and Λ[over ¯] hyperons along the beam direction has been measured relative to the second and third harmonic event planes in isobar Ru+Ru and Zr+Zr collisions at sqrt[s_{NN}]=200 GeV. This is the first experimental evidence of the hyperon polarization by the triangular flow originating from the initial density fluctuations. The amplitudes of the sine modulation for the second and third harmonic results are comparable in magnitude, increase from central to peripheral collisions, and show a mild p_{T} dependence. The azimuthal angle dependence of the polarization follows the vorticity pattern expected due to elliptic and triangular anisotropic flow, and qualitatively disagrees with most hydrodynamic model calculations based on thermal vorticity and shear induced contributions. The model results based on one of existing implementations of the shear contribution lead to a correct azimuthal angle dependence, but predict centrality and p_{T} dependence that still disagree with experimental measurements. Thus, our results provide stringent constraints on the thermal vorticity and shear-induced contributions to hyperon polarization. Comparison to previous measurements at RHIC and the LHC for the second-order harmonic results shows little dependence on the collision system size and collision energy.
Abilene Christian University Abilene Texas 79699
Alikhanov Institute for Theoretical and Experimental Physics NRC Kurchatov Institute Moscow 117218
American University in Cairo New Cairo 11835 Egypt
Argonne National Laboratory Argonne Illinois 60439
Ball State University Muncie Indiana 47306
Brookhaven National Laboratory Upton New York 11973
Central China Normal University Wuhan Hubei 430079
Creighton University Omaha Nebraska 68178
Czech Technical University Prague FNSPE Prague 115 19 Czech Republic
ELTE Eötvös Loránd University Budapest Hungary H 1117
Frankfurt Institute for Advanced Studies FIAS Frankfurt 60438 Germany
Fudan University Shanghai 200433
Huzhou University Huzhou Zhejiang 313000
Indian Institute of Science Education and Research Berhampur 760010 India
Indian Institute of Science Education and Research Tirupati Tirupati 517507 India
Indian Institute Technology Patna Bihar 801106 India
Indiana University Bloomington Indiana 47408
Institute of Modern Physics Chinese Academy of Sciences Lanzhou Gansu 730000
Instituto de Alta Investigación Universidad de Tarapacá Arica 1000000 Chile
Joint Institute for Nuclear Research Dubna 141 980
Kent State University Kent Ohio 44242
Lawrence Berkeley National Laboratory Berkeley California 94720
Lehigh University Bethlehem Pennsylvania 18015
Max Planck Institut für Physik Munich 80805 Germany
Michigan State University East Lansing Michigan 48824
National Cheng Kung University Tainan 70101
National Institute of Science Education and Research HBNI Jatni 752050 India
National Institute of Technology Durgapur Durgapur 713209 India
National Research Nuclear University MEPhI Moscow 115409
NRC Kurchatov Institute Institute of High Energy Physics Protvino 142281
Panjab University Chandigarh 160014 India
Purdue University West Lafayette Indiana 47907
Rice University Houston Texas 77251
Rutgers University Piscataway New Jersey 08854
Sejong University Seoul 05006 South Korea
Shandong University Qingdao Shandong 266237
Shanghai Institute of Applied Physics Chinese Academy of Sciences Shanghai 201800
South China Normal University Guangzhou Guangdong 510631
Southern Connecticut State University New Haven Connecticut 06515
State University of New York Stony Brook New York 11794
Temple University Philadelphia Pennsylvania 19122
Texas A and M University College Station Texas 77843
The Ohio State University Columbus Ohio 43210
Tsinghua University Beijing 100084
University of Calabria and INFN Cosenza Rende 87036 Italy
University of California Berkeley California 94720
University of California Davis California 95616
University of California Los Angeles California 90095
University of California Riverside California 92521
University of Chinese Academy of Sciences Beijing 101408
University of Heidelberg Heidelberg 69120 Germany
University of Houston Houston Texas 77204
University of Illinois at Chicago Chicago Illinois 60607
University of Jammu Jammu 180001 India
University of Kentucky Lexington Kentucky 40506 0055
University of Science and Technology of China Hefei Anhui 230026
University of Texas Austin Texas 78712
University of Tsukuba Tsukuba Ibaraki 305 8571 Japan
Valparaiso University Valparaiso Indiana 46383
Variable Energy Cyclotron Centre Kolkata 700064 India
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