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Pregled bibliografske jedinice broj: 673911

Studies of jet quenching using isolated-photon + jet correlations in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV

Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Damir; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Kovač, Marko; Brigljević, Vuko et al.
Studies of jet quenching using isolated-photon + jet correlations in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV // Physics letters. B, 718 (2013), 3; 773-794 doi:10.1016/j.physletb.2012.11.003 (međunarodna recenzija, članak, znanstveni)

CROSBI ID: 673911 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Studies of jet quenching using isolated-photon + jet correlations in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV

Autori
Chatrchyan, S. ; ... ; Godinović, Nikola ; Lelas, Damir ; Pleština, Roko ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Kovač, Marko ; Brigljević, Vuko ; Đurić, Senka ; Kadija, Krešo ; Luetić, Jelena ; Morović, Srećko ; ... ; Mekterović, Darko ; ... ; Swanson, J.

Izvornik
Physics letters. B (0370-2693) 718 (2013), 3; 773-794

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
CMS; physics; heavy ion; photon

Sažetak
Results from the first study of isolated-photon + jet correlations in relativistic heavy ion collisions are reported. The analysis uses data from PbPb collisions at a centre-of-mass energy of 2.76 TeV per nucleon pair corresponding to an integrated luminosity of 150 inverse microbarns recorded by the CMS experiment at the LHC. For events containing an isolated photon with transverse momentum pt(gamma) > 60 GeV and an associated jet with pt(Jet) > 30 GeV, the photon + jet pt imbalance is studied as a function of collision centrality and compared to pp data and PYTHIA calculations at the same collision energy. Using the pt(gamma) of the isolated photon as an estimate of the momentum of the associated parton at production, this measurement allows an unbiased characterisation of the in-medium parton energy loss. For more central PbPb collisions, a significant decrease in the ratio pt(Jet)/pt(gamma) relative to that in the PYTHIA reference is observed. Furthermore, significantly more pt(gamma) > 60 GeV photons in PbPb are observed not to have an associated pt(Jet) > 30 GeV jet, compared to the reference. However, no significant broadening of the photon + jet azimuthal correlation is observed.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
023-0982887-3064 - Potraga za Higgsovim bozonom i novom fizikom detektorom CMS (Puljak, Ivica, MZOS ) ( CroRIS)
098-0982887-2878 - Eksperimentalna fizika na LHC energijama (Kadija, Krešo, MZOS ) ( CroRIS)

Ustanove:
Fakultet elektrotehnike, strojarstva i brodogradnje, Split,
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Senka Đurić (autor)

Avatar Url Marko Kovač (autor)

Avatar Url Damir Lelas (autor)

Avatar Url Ivica Puljak (autor)

Avatar Url Krešo Kadija (autor)

Avatar Url Darko Mekterović (autor)

Avatar Url Vuko Brigljević (autor)

Avatar Url Nikola Godinović (autor)

Avatar Url Dunja Polić (autor)

Avatar Url Roko Pleština (autor)

Avatar Url Srećko Morović (autor)

Avatar Url Jelena Luetić (autor)

Avatar Url Željko Antunović (autor)

Poveznice na cjeloviti tekst rada:

doi www.sciencedirect.com

Citiraj ovu publikaciju:

Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Damir; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Kovač, Marko; Brigljević, Vuko et al.
Studies of jet quenching using isolated-photon + jet correlations in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV // Physics letters. B, 718 (2013), 3; 773-794 doi:10.1016/j.physletb.2012.11.003 (međunarodna recenzija, članak, znanstveni)
Chatrchyan, S., ..., Godinović, N., Lelas, D., Pleština, R., Polić, D., Puljak, I., Antunović, Ž., Kovač, M. & Brigljević, V. (2013) Studies of jet quenching using isolated-photon + jet correlations in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV. Physics letters. B, 718 (3), 773-794 doi:10.1016/j.physletb.2012.11.003.
@article{article, author = {Chatrchyan, S. and Godinovi\'{c}, Nikola and Lelas, Damir and Ple\v{s}tina, Roko and Poli\'{c}, Dunja and Puljak, Ivica and Antunovi\'{c}, \v{Z}eljko and Kova\v{c}, Marko and Brigljevi\'{c}, Vuko and \DJuri\'{c}, Senka and Kadija, Kre\v{s}o and Lueti\'{c}, Jelena and Morovi\'{c}, Sre\'{c}ko and Mekterovi\'{c}, Darko and Swanson, J.}, year = {2013}, pages = {773-794}, DOI = {10.1016/j.physletb.2012.11.003}, keywords = {CMS, physics, heavy ion, photon}, journal = {Physics letters. B}, doi = {10.1016/j.physletb.2012.11.003}, volume = {718}, number = {3}, issn = {0370-2693}, title = {Studies of jet quenching using isolated-photon + jet correlations in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV}, keyword = {CMS, physics, heavy ion, photon} }
@article{article, author = {Chatrchyan, S. and Godinovi\'{c}, Nikola and Lelas, Damir and Ple\v{s}tina, Roko and Poli\'{c}, Dunja and Puljak, Ivica and Antunovi\'{c}, \v{Z}eljko and Kova\v{c}, Marko and Brigljevi\'{c}, Vuko and \DJuri\'{c}, Senka and Kadija, Kre\v{s}o and Lueti\'{c}, Jelena and Morovi\'{c}, Sre\'{c}ko and Mekterovi\'{c}, Darko and Swanson, J.}, year = {2013}, pages = {773-794}, DOI = {10.1016/j.physletb.2012.11.003}, keywords = {CMS, physics, heavy ion, photon}, journal = {Physics letters. B}, doi = {10.1016/j.physletb.2012.11.003}, volume = {718}, number = {3}, issn = {0370-2693}, title = {Studies of jet quenching using isolated-photon + jet correlations in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV}, keyword = {CMS, physics, heavy ion, photon} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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