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Pregled bibliografske jedinice broj: 538649

Search for resonances in the dilepton mass distribution in pp collisions at sqrt(s)=7 TeV


Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Karlo; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Dželalija, Mile; Brigljević, Vuko et al.
Search for resonances in the dilepton mass distribution in pp collisions at sqrt(s)=7 TeV // The Journal of high energy physics, (2011), 5; 093-1 doi:10.1007/JHEP05(2011)093 (međunarodna recenzija, članak, znanstveni)


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Naslov
Search for resonances in the dilepton mass distribution in pp collisions at sqrt(s)=7 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 ; ... ; Weinberg, M.

Izvornik
The Journal of high energy physics (1126-6708) (2011), 5; 093-1

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

Ključne riječi
LHC; CMS; Beyond standard model; resonance search

Sažetak
A search for narrow resonances at high mass in the dimuon and dielectron channels has been performed by the CMS experiment at the CERN LHC, using pp collision data recorded at s=7 TeV. The event samples correspond to integrated luminosities of 40 pb−1 in the dimuon channel and 35 pb−1 in the dielectron channel. Heavy dilepton resonances are predicted in theoretical models with extra gauge bosons (Z′) or as Kaluza-Klein graviton excitations (GKK) in the Randall-Sundrum model. Upper limits on the inclusive cross section of Z′(GKK) → ℓ + ℓ − relative to Z → ℓ + ℓ − are presented. These limits exclude at 95% confidence level a Z′ with standard-model-like couplings below 1140GeV, the superstring-inspired Z ψ ′ below 887 GeV, and, for values of the coupling parameter kMPl of 0.05 (0.1), Kaluza-Klein gravitons below 855 (1079) GeV.

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.
Search for resonances in the dilepton mass distribution in pp collisions at sqrt(s)=7 TeV // The Journal of high energy physics, (2011), 5; 093-1 doi:10.1007/JHEP05(2011)093 (međunarodna recenzija, članak, znanstveni)
Chatrchyan, S., ..., Godinović, N., Lelas, K., Pleština, R., Polić, D., Puljak, I., Antunović, Ž., Dželalija, M. & Brigljević, V. (2011) Search for resonances in the dilepton mass distribution in pp collisions at sqrt(s)=7 TeV. The Journal of high energy physics, (5), 093-1 doi:10.1007/JHEP05(2011)093.
@article{article, year = {2011}, pages = {093-1-093-}, DOI = {10.1007/JHEP05(2011)093}, keywords = {LHC, CMS, Beyond standard model, resonance search}, journal = {The Journal of high energy physics}, doi = {10.1007/JHEP05(2011)093}, number = {5}, issn = {1126-6708}, title = {Search for resonances in the dilepton mass distribution in pp collisions at sqrt(s)=7 TeV}, keyword = {LHC, CMS, Beyond standard model, resonance search} }

Časopis indeksira:


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


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