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Pregled bibliografske jedinice broj: 538890

Upsilon production cross section in pp collisions at sqrt(s) = 7 TeV


Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Damir; Lelas, Karlo; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Dželalija, Mile et al.
Upsilon production cross section in pp collisions at sqrt(s) = 7 TeV // Physical Review D - Particles, Fields, Gravitation, and Cosmology, 83 (2011), 11; 112004-1 doi:10.1103/PhysRevD.83.112004 (međunarodna recenzija, članak, znanstveni)


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Naslov
Upsilon production cross section in pp collisions at sqrt(s) = 7 TeV

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

Izvornik
Physical Review D - Particles, Fields, Gravitation, and Cosmology (1550-7998) 83 (2011), 11; 112004-1

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

Ključne riječi
LHC; CMS; Physics; heavy quarks

Sažetak
The Upsilon production cross section in proton-proton collisions at sqrt(s) = 7 TeV is measured using a data sample collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 3.1 +/- 0.3 inverse picobarns. Integrated over the rapidity range |y|<2, we find the product of the Upsilon(1S) production cross section and branching fraction to dimuons to be sigma(pp to Upsilon(1S) X ) B(Upsilon(1S) to mu+ mu-) = 7.37 +/- 0.13^{; ; +0.61}; ; _{; ; -0.42}; ; pm 0.81 nb, where the first uncertainty is statistical, the second is systematic, and the third is associated with the estimation of the integrated luminosity of the data sample. This cross section is obtained assuming unpolarized Upsilon(1S) production. If the Upsilon(1S) production polarization is fully transverse or fully longitudinal the cross section changes by about 20%. We also report the measurement of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) differential cross sections as a function of transverse momentum and rapidity.

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, Damir; Lelas, Karlo; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Dželalija, Mile et al.
Upsilon production cross section in pp collisions at sqrt(s) = 7 TeV // Physical Review D - Particles, Fields, Gravitation, and Cosmology, 83 (2011), 11; 112004-1 doi:10.1103/PhysRevD.83.112004 (međunarodna recenzija, članak, znanstveni)
Chatrchyan, S., ..., Godinović, N., Lelas, D., Lelas, K., Pleština, R., Polić, D., Puljak, I., Antunović, Ž. & Dželalija, M. (2011) Upsilon production cross section in pp collisions at sqrt(s) = 7 TeV. Physical Review D - Particles, Fields, Gravitation, and Cosmology, 83 (11), 112004-1 doi:10.1103/PhysRevD.83.112004.
@article{article, year = {2011}, pages = {112004-1-112004-27}, DOI = {10.1103/PhysRevD.83.112004}, keywords = {LHC, CMS, Physics, heavy quarks}, journal = {Physical Review D - Particles, Fields, Gravitation, and Cosmology}, doi = {10.1103/PhysRevD.83.112004}, volume = {83}, number = {11}, issn = {1550-7998}, title = {Upsilon production cross section in pp collisions at sqrt(s) = 7 TeV}, keyword = {LHC, CMS, Physics, heavy quarks} }

Časopis indeksira:


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


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