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Pregled bibliografske jedinice broj: 738291

Modification of jet shapes in PbPb collisions at √sNN = 2.76 TeV


Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Damir; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Kovač, Marko; Brigljević, Vuko et al.
Modification of jet shapes in PbPb collisions at √sNN = 2.76 TeV // Physics letters. B, 730 (2014), 243-263 doi:10.1016/j.physletb.2014.01.042 (međunarodna recenzija, članak, znanstveni)


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Naslov
Modification of jet shapes in PbPb collisions at √sNN = 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 ; Mekterović, Darko ; Morović, Srećko ; Tikvica, Lucija ; ... ; Swanson, J.

Izvornik
Physics letters. B (0370-2693) 730 (2014); 243-263

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

Ključne riječi
CMS; Heavy ion physics; Jet shapes

Sažetak
The first measurement of jet shapes, defined as the fractional transverse momentum radial distribution, for inclusive jets produced in heavy-ion collisions is presented. Data samples of PbPb and pp collisions, corresponding to integrated luminosities of 150 μb−1 and 5.3 pb−1 respectively, were collected at a nucleon–nucleon centre-of-mass energy of √sNN = 2.76 TeV with the CMS detector at the LHC. The jets are reconstructed with the anti-kT algorithm with a distance parameter R = 0.3, and the jet shapes are measured for charged particles with transverse momentum pT > 1 GeV/c. The jet shapes measured in PbPb collisions in different collision centralities are compared to reference distributions based on the pp data. A centrality- dependent modification of the jet shapes is observed in the more central PbPb collisions, indicating a redistribution of the energy inside the jet cone. This measurement provides information about the parton shower mechanism in the hot and dense medium produced in heavy-ion collisions.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

Napomena
CMS Collaboration.



POVEZANOST RADA


Projekt / tema
023-0982887-3064 - Potraga za Higgsovim bozonom i novom fizikom detektorom CMS (Ivica Puljak, )
098-0982887-2878 - Eksperimentalna fizika na LHC energijama (Krešo Kadija, )

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

Citiraj ovu publikaciju

Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Damir; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Kovač, Marko; Brigljević, Vuko et al.
Modification of jet shapes in PbPb collisions at √sNN = 2.76 TeV // Physics letters. B, 730 (2014), 243-263 doi:10.1016/j.physletb.2014.01.042 (međunarodna recenzija, članak, znanstveni)
Chatrchyan, S., ..., Godinović, N., Lelas, D., Pleština, R., Polić, D., Puljak, I., Antunović, Ž., Kovač, M. & Brigljević, V. (2014) Modification of jet shapes in PbPb collisions at √sNN = 2.76 TeV. Physics letters. B, 730, 243-263 doi:10.1016/j.physletb.2014.01.042.
@article{article, year = {2014}, pages = {243-263}, DOI = {10.1016/j.physletb.2014.01.042}, keywords = {CMS, Heavy ion physics, Jet shapes}, journal = {Physics letters. B}, doi = {10.1016/j.physletb.2014.01.042}, volume = {730}, issn = {0370-2693}, title = {Modification of jet shapes in PbPb collisions at √sNN = 2.76 TeV}, keyword = {CMS, Heavy ion physics, Jet shapes} }

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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