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Pregled bibliografske jedinice broj: 538764

Search for same-sign top-quark pair production at s=7 TeV and limits on flavour changing neutral currents in the top sector


Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Karlo; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Dželalija, Mile; Brigljević, Vuko et al.
Search for same-sign top-quark pair production at s=7 TeV and limits on flavour changing neutral currents in the top sector // The Journal of high energy physics, (2011), 8; 005-1 doi:10.1007/JHEP08(2011)005 (međunarodna recenzija, članak, znanstveni)


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Naslov
Search for same-sign top-quark pair production at s=7 TeV and limits on flavour changing neutral currents in the top sector

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), 8; 005-1

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

Ključne riječi
CERN; CMS; LHC

Sažetak
An inclusive search for same-sign top-quark pair production in pp collisions at s=7 TeV is performed using a data sample recorded with the CMS detector in 2010, corresponding to an integrated luminosity of 35 pb−1. This analysis is motivated by recent studies of pptt reporting mass-dependent forward-backward asymmetries larger than expected from the standard model. These asymmetries could be due to Flavor Changing Neutral Currents (FCNC) in the top sector induced by t-channel exchange of a massive neutral vector boson (Z′). Models with such a Z′ also predict enhancement of same-sign top-pair production in pp or pp collisions. Limits are set as a function of the Z′ mass and its couplings to u and t quarks. These limits disfavour the FCNC interpretation of the Tevatron results.

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 same-sign top-quark pair production at s=7 TeV and limits on flavour changing neutral currents in the top sector // The Journal of high energy physics, (2011), 8; 005-1 doi:10.1007/JHEP08(2011)005 (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 same-sign top-quark pair production at s=7 TeV and limits on flavour changing neutral currents in the top sector. The Journal of high energy physics, (8), 005-1 doi:10.1007/JHEP08(2011)005.
@article{article, year = {2011}, pages = {005-1-005-}, DOI = {10.1007/JHEP08(2011)005}, keywords = {CERN, CMS, LHC}, journal = {The Journal of high energy physics}, doi = {10.1007/JHEP08(2011)005}, number = {8}, issn = {1126-6708}, title = {Search for same-sign top-quark pair production at s=7 TeV and limits on flavour changing neutral currents in the top sector}, 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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