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Pregled bibliografske jedinice broj: 875748

Relative modification of prompt psi(2S) and J/psi yields from pp to PbPb collisions at sqrt(s[NN]) = 5.02 TeV


(CMS) Sirunyan, Albert; ...; Luetić, Jelena; ...; Godinović, Nikola; Lelas, Damir; Puljak, Ivica; ...; Šćulac, Toni; Antunović, Željko et al.
Relative modification of prompt psi(2S) and J/psi yields from pp to PbPb collisions at sqrt(s[NN]) = 5.02 TeV // Physical Review Letters, 118 (2017), 162301, 17 doi:10.1103/PhysRevLett.118.162301 (međunarodna recenzija, članak, znanstveni)


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Naslov
Relative modification of prompt psi(2S) and J/psi yields from pp to PbPb collisions at sqrt(s[NN]) = 5.02 TeV

Autori
Sirunyan, Albert ; ... ; Luetić, Jelena ; ... ; Godinović, Nikola ; Lelas, Damir ; Puljak, Ivica ; ... ; Šćulac, Toni ; Antunović, Željko ; Kovač, Marko ; Brigljević, Vuko ; Ferenček, Dinko ; Kadija, Krešo ; Mesić, Benjamin ; Mićanović, Saša ; Sudić, Lucija ; Šuša, Tatjana ; ... ; Morović, Srećko ; ... ; Đurić, Senka ; ... ; Woods, Nate

Kolaboracija
CMS

Izvornik
Physical Review Letters (0031-9007) 118 (2017); 162301, 17

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

Ključne riječi
high energy physics ; experimental particle physics ; LHC ; CMS ; standard model

Sažetak
The relative modification of the prompt psi(2S) and J/psi yields from pp to PbPb collisions, at the center of mass energy of 5.02 TeV per nucleon pair, is presented. The analysis is based on pp and PbPb data samples collected by the CMS experiment at the LHC in 2015, corresponding to integrated luminosities of 28.0 inverse picobarns and 464 inverse microbarns, respectively. The double ratio of measured yields of prompt charmonia reconstructed through their decays into muon pairs, (N[psi(2S)]/N[J/psi])[PbPb] / (N[psi(2S)]/N[J/psi])[pp], is determined as a function of PbPb collision centrality and charmonium transverse GeV/c and 1.6 < abs(y) < 2.4 covering 3 < pt < 30 GeV/c. The centrality-integrated double ratios are 0.36 +/- 0.08 (stat) +/-0.05 (syst) in the first interval and 0.24 +/- 0.22 (stat) +/- 0.09 (syst) in the second. The double ratio is lower than unity in all the measured bins, suggesting that the psi(2S) yield is more suppressed than the J/psi yield in the explored phase space.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
HRZZ-IP-2013-11-7118 - Mjerenje svojstava Higgsovog bozona i potraga za novom fizikom detektorom CMS (Ivica Puljak, )
HRZZ-IS-09.01/346 - Potraga za novim standardnim modelom elementarnih čestica na LHC-u: od preciznih mjerenja elektroslabih procesa do direktnih potraga za novom fizikom (Vuko Brigljević, )

Ustanove
Fakultet elektrotehnike, strojarstva i brodogradnje, Split,
Institut "Ruđer Bošković", Zagreb,
Prirodoslovno-matematički fakultet, Split

Citiraj ovu publikaciju

(CMS) Sirunyan, Albert; ...; Luetić, Jelena; ...; Godinović, Nikola; Lelas, Damir; Puljak, Ivica; ...; Šćulac, Toni; Antunović, Željko et al.
Relative modification of prompt psi(2S) and J/psi yields from pp to PbPb collisions at sqrt(s[NN]) = 5.02 TeV // Physical Review Letters, 118 (2017), 162301, 17 doi:10.1103/PhysRevLett.118.162301 (međunarodna recenzija, članak, znanstveni)
(CMS) (CMS) Sirunyan, A., ..., Luetić, J., ..., Godinović, N., Lelas, D., Puljak, I., ..., Šćulac, T. & Antunović, Ž. (2017) Relative modification of prompt psi(2S) and J/psi yields from pp to PbPb collisions at sqrt(s[NN]) = 5.02 TeV. Physical Review Letters, 118, 162301, 17 doi:10.1103/PhysRevLett.118.162301.
@article{article, year = {2017}, pages = {17}, DOI = {10.1103/PhysRevLett.118.162301}, chapter = {162301}, keywords = {high energy physics, experimental particle physics, LHC, CMS, standard model}, journal = {Physical Review Letters}, doi = {10.1103/PhysRevLett.118.162301}, volume = {118}, issn = {0031-9007}, title = {Relative modification of prompt psi(2S) and J/psi yields from pp to PbPb collisions at sqrt(s[NN]) = 5.02 TeV}, keyword = {high energy physics, experimental particle physics, LHC, CMS, standard model}, chapternumber = {162301} }

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
  • MEDLINE


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