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Pregled bibliografske jedinice broj: 538508

Measurement of the underlying event activity at the LHC with s=7 TeV and comparison with s=09 TeV


Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Karlo; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Dželalija, Mile; Brigljević, Vuko et al.
Measurement of the underlying event activity at the LHC with s=7 TeV and comparison with s=09 TeV // The Journal of high energy physics, (2011), 9; 109-1 doi:10.1007/JHEP09(2011)109 (međunarodna recenzija, članak, znanstveni)


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Naslov
Measurement of the underlying event activity at the LHC with s=7 TeV and comparison with s=09 TeV

Autori
Chatrchyan, S. ; ... ; Godinović, Nikola ; Lelas, Karlo ; Pleština, Roko ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Dželalija, Mile ; Brigljević, Vuko ; Đurić, Senka ; Kadija, Krešo ; Morović, Srećko ; ... ; White, A.

Izvornik
The Journal of high energy physics (1126-6708) (2011), 9; 109-1

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

Ključne riječi
CERN; CMS; LHC

Sažetak
A measurement of the underlying activity in events with a jet of transverse momentum in the several GeV region is performed in proton-proton collisions at s=09 and 7 TeV, using data collected by the CMS experiment at the LHC. The production of charged particles with pseudorapidity |η| < 2 and transverse momentum p T  > 0.5 GeV/c is studied in the azimuthal region transverse to that of the leading set of charged particles forming a track-jet. A significant growth of the average multiplicity and scalar-p T sum of the particles in the transverse region is observed with increasing p T of the leading track-jet, followed by a much slower rise above a few GeV/c. For track-jet p T larger than a few GeV/c, the activity in the transverse region is approximately doubled with a centre- of-mass energy increase from 0.9 to 7 TeV. Predictions of several QCD-inspired models as implemented in pythia are compared to the data.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

Napomena
The 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, Karlo; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Dželalija, Mile; Brigljević, Vuko et al.
Measurement of the underlying event activity at the LHC with s=7 TeV and comparison with s=09 TeV // The Journal of high energy physics, (2011), 9; 109-1 doi:10.1007/JHEP09(2011)109 (međunarodna recenzija, članak, znanstveni)
Chatrchyan, S., ..., Godinović, N., Lelas, K., Pleština, R., Polić, D., Puljak, I., Antunović, Ž., Dželalija, M. & Brigljević, V. (2011) Measurement of the underlying event activity at the LHC with s=7 TeV and comparison with s=09 TeV. The Journal of high energy physics, (9), 109-1 doi:10.1007/JHEP09(2011)109.
@article{article, year = {2011}, pages = {109-1-109-}, DOI = {10.1007/JHEP09(2011)109}, keywords = {CERN, CMS, LHC}, journal = {The Journal of high energy physics}, doi = {10.1007/JHEP09(2011)109}, number = {9}, issn = {1126-6708}, title = {Measurement of the underlying event activity at the LHC with s=7 TeV and comparison with s=09 TeV}, keyword = {CERN, CMS, LHC} }

Časopis indeksira:


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


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