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Evidence of Spin-Orbital Angular Momentum Interactions in Relativistic Heavy-Ion Collisions
Physical Review Letters, 125 (2020), 1; 012301. https://doi.org/10.1103/PhysRevLett.125.012301
(ALICE Collaboration) Acharya, S.; ...; Antičić, Tome; ...; Erhardt, Filip; ...; Gotovac, Sven; ...; Jerčić, Marko; ...; Lončar, Petra; ...; Mudnić, Eugen; ...; Planinić, Mirko; ...; Poljak, Nikola; ...; Simatović, Goran; ...; Utrobičić, Antonija; ...; Vicković, Linda; ...; Zurlo, N. Više autora...

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Acharya, S., Antičić, T., Erhardt, F., Gotovac, S., Jerčić, M., Lončar, P. ... Zurlo, N. (2020). Evidence of Spin-Orbital Angular Momentum Interactions in Relativistic Heavy-Ion Collisions. Physical Review Letters, 125. (1). doi: 10.1103/PhysRevLett.125.012301

Acharya, S., et al. "Evidence of Spin-Orbital Angular Momentum Interactions in Relativistic Heavy-Ion Collisions." Physical Review Letters, vol. 125, br. 1, 2020. https://doi.org/10.1103/PhysRevLett.125.012301

Acharya, S., Tome Antičić, Filip Erhardt, Sven Gotovac, Marko Jerčić, Petra Lončar, Eugen Mudnić, et al. "Evidence of Spin-Orbital Angular Momentum Interactions in Relativistic Heavy-Ion Collisions." Physical Review Letters 125, br. 1 (2020). https://doi.org/10.1103/PhysRevLett.125.012301

Acharya, S., et al. (2020) 'Evidence of Spin-Orbital Angular Momentum Interactions in Relativistic Heavy-Ion Collisions', Physical Review Letters, 125(1). doi: 10.1103/PhysRevLett.125.012301

Acharya S, Antičić T, Erhardt F, Gotovac S, Jerčić M, Lončar P, i sur.. Evidence of Spin-Orbital Angular Momentum Interactions in Relativistic Heavy-Ion Collisions. Physical Review Letters [Internet]. 2020. [pristupljeno 13.11.2024.];125(1). doi: 10.1103/PhysRevLett.125.012301

S. Acharya, et al., "Evidence of Spin-Orbital Angular Momentum Interactions in Relativistic Heavy-Ion Collisions", Physical Review Letters, vol. 125, br. 1, 2020. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:620064. [Citirano: 13.11.2024.]

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Naslov (engleski)Evidence of Spin-Orbital Angular Momentum Interactions in Relativistic Heavy-Ion Collisions
AutorS. Acharya
Autor
...
AutorTome Antičić
Autor
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AutorFilip Erhardt
Autor
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AutorSven Gotovac
Autor
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AutorMarko Jerčić
Autor
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AutorPetra Lončar
Autor
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AutorEugen Mudnić
Autor
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AutorMirko Planinić
Autor
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AutorNikola Poljak
Autor
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AutorGoran Simatović
Autor
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AutorAntonija Utrobičić
Autor
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AutorLinda Vicković
Autor
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AutorN. Zurlo
KolaboracijaALICE Collaboration
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Sažetak (engleski)
The first evidence of spin alignment of vector mesons (K0 and ϕ) in heavy-ion collisions at the Large Hadron Collider (LHC) is reported. The spin density matrix element ρ00 is measured at midrapidity (|y| < 0.5) in Pb-Pb collisions at a center-of-mass energy (√sNN) of 2.76 TeV with the ALICE detector. ρ00 values are found to be less than 1=3 (1=3 implies no spin alignment) at low transverse momentum (pT < 2 GeV/c) for K0 and ϕ at a level of 3σ and 2σ, respectively. No significant spin alignment is observed for the K^0_S meson (spin = 0) in Pb-Pb collisions and for the vector mesons in pp collisions. The measured spin alignment is unexpectedly large but qualitatively consistent with the expectation from models which attribute it to a polarization of quarks in the presence of angular momentum in heavy-ion collisions and a subsequent hadronization by the process of recombination.
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaPhysical Review Letters
Brojčani podacivol. 125, br. 1, 012301
p-ISSN0031-9007
e-ISSN1079-7114
DOIhttps://doi.org/10.1103/PhysRevLett.125.012301
URN:NBNurn:nbn:hr:217:620064
Datum objave publikacije2020
URL dokumentahttps://link.aps.org/doi/10.1103/PhysRevLett.125.012301
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Imenovanje 4.0 međunarodna (CC BY 4.0)
Javna napomena© 2020 CERN, for the ALICE Collaboration. Published by the American Physical Society under the terms of the 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. Received 21 November 2019; revised 25 February 2020; accepted 27 May 2020; published 30 June 2020.
Datum i vrijeme pohrane2020-10-10 19:48:03