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Pregled bibliografske jedinice broj: 672795

Search for supersymmetry in events with photons and low missing transverse energy 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.
Search for supersymmetry in events with photons and low missing transverse energy in pp collisions at sqrt(s) = 7 TeV // Physics letters. B, 719 (2013), 1/2; 42-61 doi:10.1016/j.physletb.2012.12.055 (međunarodna recenzija, članak, znanstveni)


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Naslov
Search for supersymmetry in events with photons and low missing transverse energy 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
Physics letters. B (0370-2693) 719 (2013), 1/2; 42-61

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

Ključne riječi
CMS; physics

Sažetak
Many models of new physics, including versions of supersymmetry (SUSY), predict production of events with low missing transverse energy, electroweak gauge bosons, and many energetic final-state particles. The stealth SUSY model yields this signature while conserving R-parity by means of a new hidden sector in which SUSY is approximately conserved. The results of a general search for new physics, with no requirement on missing transverse energy, in events with two photons and four or more hadronic jets are reported. The study is based on a sample of proton-proton collisions at sqrt(s) = 7 TeV corresponding to 4.96 inverse femtobarns of integrated luminosity collected with the CMS detector in 2011. Based on good agreement between the data and the standard model expectation, the data are used to determine model-independent cross-section limits and a limit on the squark mass in the framework of stealth SUSY. With this first study of its kind, squark masses less than 1430 GeV are excluded at the 95% confidence level.

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.
Search for supersymmetry in events with photons and low missing transverse energy in pp collisions at sqrt(s) = 7 TeV // Physics letters. B, 719 (2013), 1/2; 42-61 doi:10.1016/j.physletb.2012.12.055 (međunarodna recenzija, članak, znanstveni)
Chatrchyan, S., ..., Godinović, N., Lelas, D., Pleština, R., Polić, D., Puljak, I., Antunović, Ž., Kovač, M. & Brigljević, V. (2013) Search for supersymmetry in events with photons and low missing transverse energy in pp collisions at sqrt(s) = 7 TeV. Physics letters. B, 719 (1/2), 42-61 doi:10.1016/j.physletb.2012.12.055.
@article{article, year = {2013}, pages = {42-61}, DOI = {10.1016/j.physletb.2012.12.055}, keywords = {CMS, physics}, journal = {Physics letters. B}, doi = {10.1016/j.physletb.2012.12.055}, volume = {719}, number = {1/2}, issn = {0370-2693}, title = {Search for supersymmetry in events with photons and low missing transverse energy in pp collisions at sqrt(s) = 7 TeV}, keyword = {CMS, physics} }

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


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