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Pregled bibliografske jedinice broj: 1010625

Search for resonances in the mass spectrum of muon pairs produced in association with b quark jets in proton-proton collisions at s√=8 and 13 TeV


(CMS Collaboration) Sirunyan, Albert; ...; Đurić, Senka; Lelas, Damir; Godinović, Nikola; Puljak, Ivica; Šćulac, Toni; Mesić, Benjamin; Šuša, Tatjana; Kovač, Marko et al.
Search for resonances in the mass spectrum of muon pairs produced in association with b quark jets in proton-proton collisions at s√=8 and 13 TeV // The Journal of high energy physics, 11 (2018), 161, 37 doi:10.1007/JHEP11(2018)161 (međunarodna recenzija, članak, znanstveni)


CROSBI ID: 1010625 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Search for resonances in the mass spectrum of muon pairs produced in association with b quark jets in proton-proton collisions at s√=8 and 13 TeV

Autori
Sirunyan, Albert ; ... ; Đurić, Senka ; Lelas, Damir ; Godinović, Nikola ; Puljak, Ivica ; Šćulac, Toni ; Mesić, Benjamin ; Šuša, Tatjana ; Kovač, Marko ; Ferenček, Dinko ; Antunović, Željko ; Starodumov, Andrey ; Brigljević, Vuko ; Luetić, Jelena ; Kadija, Krešo ; ... ; Woods, Nate

Kolaboracija
CMS Collaboration

Izvornik
The Journal of high energy physics (1126-6708) 11 (2018); 161, 37

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

Ključne riječi
high energy physics ; experimental particle physics ; LHC ; CMS ; standard model

Sažetak
A search for resonances in the mass range 12–70 GeV produced in association with a b quark jet and a second jet, and decaying to a muon pair, is reported. The analysis is based on data from proton-proton collisions at center-of-mass energies of 8 and 13 TeV, collected with the CMS detector at the LHC and corresponding to integrated luminosities of 19.7 and 35.9 fb−1, respectively. The search is carried out in two mutually exclusive event categories. Events in the first category are required to have a b quark jet in the central region (|η| ≤ 2.4) and at least one jet in the forward region (|η| > 2.4). Events in the second category are required to have two jets in the central region, at least one of which is identified as a b quark jet, no jets in the forward region, and low missing transverse momentum. An excess of events above the background near a dimuon mass of 28 GeV is observed in the 8 TeV data, corresponding to local significances of 4.2 and 2.9 standard deviations for the first and second event categories, respectively. A similar analysis conducted with the 13 TeV data results in a mild excess over the background in the first event category corresponding to a local significance of 2.0 standard deviations, while the second category results in a 1.4 standard deviation deficit. The fiducial cross section measurements and 95% confidence level upper limits on those for a resonance consistent with the 8 TeV excess are provided at both collision energies.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


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

Citiraj ovu publikaciju

(CMS Collaboration) Sirunyan, Albert; ...; Đurić, Senka; Lelas, Damir; Godinović, Nikola; Puljak, Ivica; Šćulac, Toni; Mesić, Benjamin; Šuša, Tatjana; Kovač, Marko et al.
Search for resonances in the mass spectrum of muon pairs produced in association with b quark jets in proton-proton collisions at s√=8 and 13 TeV // The Journal of high energy physics, 11 (2018), 161, 37 doi:10.1007/JHEP11(2018)161 (međunarodna recenzija, članak, znanstveni)
(CMS Collaboration) (CMS Collaboration) Sirunyan, A., ..., Đurić, S., Lelas, D., Godinović, N., Puljak, I., Šćulac, T., Mesić, B., Šuša, T. & Kovač, M. (2018) Search for resonances in the mass spectrum of muon pairs produced in association with b quark jets in proton-proton collisions at s√=8 and 13 TeV. The Journal of high energy physics, 11, 161, 37 doi:10.1007/JHEP11(2018)161.
@article{article, year = {2018}, pages = {37}, DOI = {10.1007/JHEP11(2018)161}, chapter = {161}, keywords = {high energy physics, experimental particle physics, LHC, CMS, standard model}, journal = {The Journal of high energy physics}, doi = {10.1007/JHEP11(2018)161}, volume = {11}, issn = {1126-6708}, title = {Search for resonances in the mass spectrum of muon pairs produced in association with b quark jets in proton-proton collisions at s√=8 and 13 TeV}, keyword = {high energy physics, experimental particle physics, LHC, CMS, standard model}, chapternumber = {161} }

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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