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Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV
Journal of High Energy Physics, 2015 (2015), 5; 97. https://doi.org/10.1007/JHEP05(2015)097
(ALICE Collaboration) Adam, J.; ...; Antičić, Tome; ...; Mudnić, Eugen; ...; Planinić, Mirko; ...; Poljak, Nikola; ...; Simatović, Goran; ...; Utrobičić, Antonija; ...; Vicković, Linda; ...; Zyzak, M. Više autora...

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Adam, J., Antičić, T., Mudnić, E., Planinić, M., Poljak, N., Simatović, G. ... Zyzak, M. (2015). Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV. Journal of High Energy Physics, 2015. (5). doi: 10.1007/JHEP05(2015)097

Adam, J., et al. "Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV." Journal of High Energy Physics, vol. 2015, br. 5, 2015. https://doi.org/10.1007/JHEP05(2015)097

Adam, J., Tome Antičić, Eugen Mudnić, Mirko Planinić, Nikola Poljak, Goran Simatović, Antonija Utrobičić, Linda Vicković i M. Zyzak. "Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV." Journal of High Energy Physics 2015, br. 5 (2015). https://doi.org/10.1007/JHEP05(2015)097

Adam, J., et al. (2015) 'Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV', Journal of High Energy Physics, 2015(5). doi: 10.1007/JHEP05(2015)097

Adam J, Antičić T, Mudnić E, Planinić M, Poljak N, Simatović G, i sur.. Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV. Journal of High Energy Physics [Internet]. 2015. [pristupljeno 19.11.2024.];2015(5). doi: 10.1007/JHEP05(2015)097

J. Adam, et al., "Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV", Journal of High Energy Physics, vol. 2015, br. 5, 2015. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:311831. [Citirano: 19.11.2024.]

Za citiranje koristite ovu mrežnu adresu: https://urn.nsk.hr/urn:nbn:hr:217:311831
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Podaci o radu
Naslov (engleski)Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV
AutorJ. Adam
Autor
...
AutorTome Antičić
Autor
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AutorEugen Mudnić
Autor
...
AutorMirko Planinić
Autor
...
AutorNikola Poljak
Autor
...
AutorGoran Simatović
Autor
...
AutorAntonija Utrobičić
Autor
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AutorLinda Vicković
Autor
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AutorM. Zyzak
KolaboracijaALICE Collaboration
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Sažetak (engleski)
The strength of forward-backward (FB) multiplicity correlations is measured by the ALICE detector in proton-proton (pp) collisions at √s = 0.9, 2.76 and 7 TeV. The measurement is performed in the central pseudorapidity region (|η| < 0.8) for the transverse momentum pT > 0.3 GeV/c. Two separate pseudorapidity windows of width (δη) ranging from 0.2 to 0.8 are chosen symmetrically around η = 0. The multiplicity correlation strength (bcorr) is studied as a function of the pseudorapidity gap (ηgap) between the two windows as well as the width of these windows. The correlation strength is found to decrease with increasing ηgap and shows a non-linear increase with δη. A sizable increase of the correlation strength with the collision energy, which cannot be explained exclusively by the increase of the mean multiplicity inside the windows, is observed. The correlation coefficient is also measured for multiplicities in different configurations of two azimuthal sectors selected within the symmetric FB η-windows. Two different contributions, the short-range (SR) and the long-range (LR), are observed. The energy dependence of bcorr is found to be weak for the SR component while it is strong for the LR component. Moreover, the correlation coefficient is studied for particles belonging to various transverse momentum intervals chosen to have the same mean multiplicity. Both SR and LR contributions to bcorr are found to increase with pT in this case. Results are compared to PYTHIA and PHOJET event generators and to a string-based phenomenological model. The observed dependencies of bcorr add new constraints on phenomenological models.
Ključne riječi (engleski)
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaJournal of High Energy Physics
Brojčani podacivol. 2015, br. 5, 97
p-ISSN1126-6708
e-ISSN1029-8479
DOIhttps://doi.org/10.1007/JHEP05(2015)097
URN:NBNurn:nbn:hr:217:311831
Datum objave publikacije2015
URL dokumentahttps://link.springer.com/article/10.1007%2FJHEP05%282015%29097
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Imenovanje 4.0 međunarodna (CC BY 4.0)
Javna napomenaOpen Access. © Copyright CERN, for the benefit of the ALICE Collaboration. Article funded by SCOAP3. Received: February 3, 2015. Accepted: April 24, 2015. Published: May 20, 2015.
RepozitorijRepozitorij Prirodoslovno-matematičkog fakulteta
Datum i vrijeme pohrane2020-01-11 19:03:27