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Pregled bibliografske jedinice broj: 1010487

Search for black holes and sphalerons in high-multiplicity final states in proton-proton collisions at s√=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 black holes and sphalerons in high-multiplicity final states in proton-proton collisions at s√=13 TeV // The Journal of high energy physics, 11 (2018), 042-49 doi:10.1007/JHEP11(2018)042 (međunarodna recenzija, članak, znanstveni)


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Naslov
Search for black holes and sphalerons in high-multiplicity final states in proton-proton collisions at s√=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); 042-49

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 in energetic, high-multiplicity final states for evidence of physics beyond the standard model, such as black holes, string balls, and electroweak sphalerons, is presented. The data sample corresponds to an integrated luminosity of 35.9 fb$^{; ; ; -1}; ; ; $ collected with the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV in 2016. Standard model backgrounds, dominated by multijet production, are determined from control regions in data without any reliance on simulation. No evidence for excesses above the predicted background is observed. Model-independent 95% confidence level upper limits on the cross section of beyond the standard model signals in these final states are set and further interpreted in terms of limits on semiclassical black hole, string ball, and sphaleron production. In the context of models with large extra dimensions, semiclassical black holes with minimum masses as high as 10.1 TeV and string balls with masses as high as 9.5 TeV are excluded by this search. Results of the first dedicated search for electroweak sphalerons are presented. An upper limit of 0.021 is set on the fraction of all quark-quark interactions above the nominal threshold energy of 9 TeV resulting in the sphaleron transition.

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 black holes and sphalerons in high-multiplicity final states in proton-proton collisions at s√=13 TeV // The Journal of high energy physics, 11 (2018), 042-49 doi:10.1007/JHEP11(2018)042 (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 black holes and sphalerons in high-multiplicity final states in proton-proton collisions at s√=13 TeV. The Journal of high energy physics, 11, 042-49 doi:10.1007/JHEP11(2018)042.
@article{article, year = {2018}, pages = {042-49}, DOI = {10.1007/JHEP11(2018)042}, keywords = {High energy physics, Experimental particle physics, LHC, CMS, Standard Model}, journal = {The Journal of high energy physics}, doi = {10.1007/JHEP11(2018)042}, volume = {11}, issn = {1126-6708}, title = {Search for black holes and sphalerons in high-multiplicity final states in proton-proton collisions at s√=13 TeV}, 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


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