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Pregled bibliografske jedinice broj: 673748

Measurement of the electron charge asymmetry in inclusive W production in pp collisions at sqrt(s) = 7 TeV


Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Damir; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Kovač, Marko; Brigljević, Vuko et al.
Measurement of the electron charge asymmetry in inclusive W production in pp collisions at sqrt(s) = 7 TeV // Physical Review Letters, 109 (2012), 111806-1 doi:10.1103/PhysRevLett.109.111806 (međunarodna recenzija, članak, znanstveni)


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Naslov
Measurement of the electron charge asymmetry in inclusive W production in pp collisions at sqrt(s) = 7 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
Physical Review Letters (0031-9007) 109 (2012); 111806-1

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

Ključne riječi
LHC; CMS; W production; asymmetry

Sažetak
A measurement of the electron charge asymmetry in inclusive pp to W + X to e nu + X production at sqrt(s) = 7 TeV is presented based on data recorded by the CMS detector at the LHC and corresponding to an integrated luminosity of 840 inverse picobarns. The electron charge asymmetry reflects the unequal production of positive and negative W bosons in pp collisions. The electron charge asymmetry is measured in bins of absolute value of electron pseudorapidity in the range of abs(eta) < 2.4. The asymmetry rises from about 0.1 to 0.2 as a function of the pseudorapidity and is measured with a relative precision better than 7%. This measurement provides new stringent constraints for parton distribution functions.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



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.
Measurement of the electron charge asymmetry in inclusive W production in pp collisions at sqrt(s) = 7 TeV // Physical Review Letters, 109 (2012), 111806-1 doi:10.1103/PhysRevLett.109.111806 (međunarodna recenzija, članak, znanstveni)
Chatrchyan, S., ..., Godinović, N., Lelas, D., Pleština, R., Polić, D., Puljak, I., Antunović, Ž., Kovač, M. & Brigljević, V. (2012) Measurement of the electron charge asymmetry in inclusive W production in pp collisions at sqrt(s) = 7 TeV. Physical Review Letters, 109, 111806-1 doi:10.1103/PhysRevLett.109.111806.
@article{article, year = {2012}, pages = {111806-1-111806-15}, DOI = {10.1103/PhysRevLett.109.111806}, keywords = {LHC, CMS, W production, asymmetry}, journal = {Physical Review Letters}, doi = {10.1103/PhysRevLett.109.111806}, volume = {109}, issn = {0031-9007}, title = {Measurement of the electron charge asymmetry in inclusive W production in pp collisions at sqrt(s) = 7 TeV}, keyword = {LHC, CMS, W production, asymmetry} }

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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