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Pregled bibliografske jedinice broj: 814838

Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets


Khachatryan, Vardan; ...; Morović, Srećko; Ferenček, Dinko; Đurić, Senka; Godinović, Nikola; Lelas, Damir; Polić, Dunja; Puljak, Ivica; Antunović, Željko et al.
Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets // Physical Review Letters, 114 (2015), 5; 051801-1 doi:10.1103/PhysRevLett.114.051801 (međunarodna recenzija, članak, znanstveni)


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Naslov
Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets

Autori
Khachatryan, Vardan ; ... ; Morović, Srećko ; Ferenček, Dinko ; Đurić, Senka ; Godinović, Nikola ; Lelas, Damir ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Kovač, Marko ; Brigljević, Vuko ; Kadija, Krešo ; Luetić, Jelena ; Mekterović, Darko ; Sudić, Lucija ; ... ; Woods, Nate

Izvornik
Physical Review Letters (0031-9007) 114 (2015), 5; 051801-1

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

Ključne riječi
High energy physics ; Experimental particle physics ; LHC ; CMS ; Standard Model

Sažetak
A study of vector boson scattering in pp collisions at a center-of-mass energy of 8 TeV is presented. The data sample corresponds to an integrated luminosity of 19.4 inverse femtobarns collected with the CMS detector. Candidate events are selected with exactly two leptons of the same charge, two jets with large rapidity separation and dijet mass, and moderate missing transverse energy. The signal region is expected to be dominated by electroweak same-sign W-boson pair production. The observation agrees with the standard model prediction. The observed significance is 2.0 standard deviations, where a significance of 3.1 standard deviations is expected based on the standard model. Cross section measurements for W+/- W+/- and WZ processes in the fiducial region are reported. Bounds on the structure of quartic vector-boson interactions are given in the framework of dimension-eight effective field theory operators, as well as limits on the production of doubly- charged Higgs bosons.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
HRZZ-IP-2013-11-7118 - Mjerenje svojstava Higgsovog bozona i potraga za novom fizikom detektorom CMS (Ivica Puljak, )
HRZZ-IS-09.01/346 - Potraga za novim standardnim modelom elementarnih čestica na LHC-u: od preciznih mjerenja elektroslabih procesa do direktnih potraga za novom fizikom (Vuko Brigljević, )

Ustanove
Fakultet elektrotehnike, strojarstva i brodogradnje, Split,
Institut "Ruđer Bošković", Zagreb,
Prirodoslovno-matematički fakultet, Split

Citiraj ovu publikaciju

Khachatryan, Vardan; ...; Morović, Srećko; Ferenček, Dinko; Đurić, Senka; Godinović, Nikola; Lelas, Damir; Polić, Dunja; Puljak, Ivica; Antunović, Željko et al.
Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets // Physical Review Letters, 114 (2015), 5; 051801-1 doi:10.1103/PhysRevLett.114.051801 (međunarodna recenzija, članak, znanstveni)
Khachatryan, V., ..., Morović, S., Ferenček, D., Đurić, S., Godinović, N., Lelas, D., Polić, D., Puljak, I. & Antunović, Ž. (2015) Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets. Physical Review Letters, 114 (5), 051801-1 doi:10.1103/PhysRevLett.114.051801.
@article{article, year = {2015}, pages = {051801-1-051801-16}, DOI = {10.1103/PhysRevLett.114.051801}, keywords = {High energy physics, Experimental particle physics, LHC, CMS, Standard Model}, journal = {Physical Review Letters}, doi = {10.1103/PhysRevLett.114.051801}, volume = {114}, number = {5}, issn = {0031-9007}, title = {Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets}, keyword = {High energy physics, Experimental particle physics, LHC, CMS, Standard Model} }

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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