Global polarization of Lambda hyperons in Au plus Au collisions at root s(NN)=200 GeV
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F18%3A00492095" target="_blank" >RIV/61389005:_____/18:00492095 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21340/18:00328070
Result on the web
<a href="http://dx.doi.org/10.1103/PhysRevC.98.014910" target="_blank" >http://dx.doi.org/10.1103/PhysRevC.98.014910</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevC.98.014910" target="_blank" >10.1103/PhysRevC.98.014910</a>
Alternative languages
Result language
angličtina
Original language name
Global polarization of Lambda hyperons in Au plus Au collisions at root s(NN)=200 GeV
Original language description
Global polarization of Lambda hyperons has been measured to be of the order of a few tenths of a percentage in Au+Au collisions at root s(NN) = 200 GeV, with no significant difference between Lambda and (Lambda) over bar. These new results reveal the collision energy dependence of the global polarization together with the results previously observed at root s(NN) = 7.7-62.4 GeV and indicate noticeable vorticity of the medium created in noncentral heavy-ion collisions at the highest Relativistic Heavy Ion Collider collision energy. The signal is in rough quantitative agreement with the theoretical predictions from a hydrodynamic model and from a multi-phase transport model. The polarization is larger in more peripheral collisions, and depends weakly on the hyperon's transverse momentum and pseudorapidity eta(H) within vertical bar eta(H)vertical bar < 1. An indication of the polarization dependence on the event-by-event charge asymmetry is observed at the 2 sigma level, suggesting a possible contribution to the polarization from the axial current induced by the initial magnetic field.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10304 - Nuclear physics
Result continuities
Project
<a href="/en/project/LTT18002" target="_blank" >LTT18002: Study of new properties of nuclear matter in the international experiment STAR</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Physical Review C
ISSN
2469-9985
e-ISSN
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Volume of the periodical
98
Issue of the periodical within the volume
1
Country of publishing house
US - UNITED STATES
Number of pages
10
Pages from-to
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UT code for WoS article
000439413100007
EID of the result in the Scopus database
2-s2.0-85050823340