prikaz prve stranice dokumenta η′ multiplicity and the Witten-Veneziano relation at finite temperature
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Scientific paper - Original scientific paper
η′ multiplicity and the Witten-Veneziano relation at finite temperature
Physical Review D - Particles, Fields, Gravitation and Cosmology, 84 (2011), 1; 016006. https://doi.org/10.1103/PhysRevD.84.016006
Benić, Sanjin; Horvatić, Davor; Kekez, Dalibor; Klabučar, Dubravko

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Benić, S., Horvatić, D., Kekez, D. & Klabučar, D. (2011). η′ multiplicity and the Witten-Veneziano relation at finite temperature. Physical Review D - Particles, Fields, Gravitation and Cosmology, 84. (1). doi: 10.1103/PhysRevD.84.016006

Benić, Sanjin, et al. "η′ multiplicity and the Witten-Veneziano relation at finite temperature." Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 84, no. 1, 2011. https://doi.org/10.1103/PhysRevD.84.016006

Benić, Sanjin, Davor Horvatić, Dalibor Kekez and Dubravko Klabučar. "η′ multiplicity and the Witten-Veneziano relation at finite temperature." Physical Review D - Particles, Fields, Gravitation and Cosmology 84, no. 1 (2011). https://doi.org/10.1103/PhysRevD.84.016006

Benić, S., et al. (2011) 'η′ multiplicity and the Witten-Veneziano relation at finite temperature', Physical Review D - Particles, Fields, Gravitation and Cosmology, 84(1). doi: 10.1103/PhysRevD.84.016006

Benić S, Horvatić D, Kekez D, Klabučar D. η′ multiplicity and the Witten-Veneziano relation at finite temperature. Physical Review D - Particles, Fields, Gravitation and Cosmology [Internet]. 2011 [cited 2024 December 29];84(1). doi: 10.1103/PhysRevD.84.016006

S. Benić, D. Horvatić, D. Kekez and D. Klabučar, "η′ multiplicity and the Witten-Veneziano relation at finite temperature", Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 84, no. 1, 2011. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:547011. [Accessed: 29 December 2024]

Metadata
Title (english)η′ multiplicity and the Witten-Veneziano relation at finite temperature
AuthorSanjin Benić
AuthorDavor Horvatić
AuthorDalibor Kekez
AuthorDubravko Klabučar
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Abstract (english)
We discuss and propose the minimal generalization of the Witten-Veneziano relation to finite temperatures, prompted by STAR and PHENIX experimental results on the multiplicity of η′ mesons. After explaining why these results show that the zero-temperature Witten-Veneziano relation cannot be straightforwardly extended to temperatures T too close to the chiral restoration temperature TCh and beyond, we find the quantity which should replace, at T>0, the Yang-Mills topological susceptibility appearing in the T=0 Witten-Veneziano relation, in order to avoid the conflict with experiment at T>0. This is illustrated through concrete T-dependences of pseudoscalar meson masses in a chirally well-behaved, Dyson-Schwinger approach, but our results and conclusions are of a more general nature and, essentially, model-independent.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titlePhysical Review D - Particles, Fields, Gravitation and Cosmology
Numberingvol. 84, no. 1, 016006
p-ISSN1550-7998
e-ISSN1550-2368
DOIhttps://doi.org/10.1103/PhysRevD.84.016006
URN:NBNurn:nbn:hr:217:547011
Publication2011
ProjectNumber: 119-0982930-1016
Title (croatian): Elementarne čestice, teorija polja i kozmologija
Leader: Ivica Picek
Jurisdiction: Croatia
Funding stream: ZP
ProjectNumber: 098-0982887-2872
Title (croatian): Masivni neutrini i astročestice: od fizike čestica do kozmologije
Leader: Ante Ljubičić
Jurisdiction: Croatia
Funding stream: ZP
Document URLhttp://link.aps.org/doi/10.1103/PhysRevD.84.016006
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Public noteCopyright (2011) by the American Physical Society. Received 3 May 2011; published 21 July 2011.
Created on2019-11-15 15:39:36