Napredna pretraga

Pregled bibliografske jedinice broj: 738286

Observation of a peaking structure in the J/ψϕ mass spectrum from B±→J/ψϕK± decays


Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Damir; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Kovač, Marko; Brigljević, Vuko et al.
Observation of a peaking structure in the J/ψϕ mass spectrum from B±→J/ψϕK± decays // Physics letters. B, 734 (2014), 261-281 doi:10.1016/j.physletb.2014.05.055 (međunarodna recenzija, članak, znanstveni)


Naslov
Observation of a peaking structure in the J/ψϕ mass spectrum from B±→J/ψϕK± decays

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 ; Mekterović, Darko ; Morović, Srećko ; Tikvica, Lucija ; ... ; Swanson, J.

Izvornik
Physics letters. B (0370-2693) 734 (2014); 261-281

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

Ključne riječi
CERN; CMS; pp; 7 TeV; J/Psi; phi

Sažetak
A peaking structure in the J/ψϕ mass spectrum near threshold is observed in B±→J/ψϕK± decays, produced in pp collisions at View the MathML source collected with the CMS detector at the LHC. The data sample, selected on the basis of the dimuon decay mode of the J/ψ, corresponds to an integrated luminosity of 5.2 fb−1. Fitting the structure to an S -wave relativistic Breit– Wigner lineshape above a three-body phase-space nonresonant component gives a signal statistical significance exceeding five standard deviations. The fitted mass and width values are View the MathML source and View the MathML source, respectively. Evidence for an additional peaking structure at higher J/ψϕ mass is also reported.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

Napomena
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

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


Citati