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Pregled bibliografske jedinice broj: 1010468

Search for new particles decaying to a jet and an emerging jet


(CMS) Sirunyan, Albert; ...; Đurić, Senka; Lelas, Damir; Godinović, Nikola; Puljak, Ivica; Šćulac, Toni; Mesić, Benjamin; Šuša, Tatjana; Kovač, Marko et al.
Search for new particles decaying to a jet and an emerging jet // The Journal of high energy physics, 2 (2019), 179, 42 doi:10.1007/JHEP02(2019)179 (međunarodna recenzija, članak, znanstveni)


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Naslov
Search for new particles decaying to a jet and an emerging jet

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

Izvornik
The Journal of high energy physics (1126-6708) 2 (2019); 179, 42

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 is performed for events consistent with the pair production of a new heavy particle that acts as a mediator between a dark sector and normal matter, and that decays to a light quark and a new fermion called a dark quark. The search is based on data corresponding to an integrated luminosity of 16.1 fb−1 from proton-proton collisions at s√=13 TeV collected by the CMS experiment at the LHC in 2016. The dark quark is charged only under a new quantum-chromodynamics-like force, and forms an “emerging jet” via a parton shower, containing long-lived dark hadrons that give rise to displaced vertices when decaying to standard model hadrons. The data are consistent with the expectation from standard model processes. Limits are set at 95% confidence level excluding dark pion decay lengths between 5 and 225 mm for dark mediators with masses between 400 and 1250 GeV. Decay lengths smaller than 5 and greater than 225 mm are also excluded in the lower part of this mass range. The dependence of the limit on the dark pion mass is weak for masses between 1 and 10 GeV. This analysis is the first dedicated search for the pair production of a new particle that decays to a jet and an emerging jet.

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) Sirunyan, Albert; ...; Đurić, Senka; Lelas, Damir; Godinović, Nikola; Puljak, Ivica; Šćulac, Toni; Mesić, Benjamin; Šuša, Tatjana; Kovač, Marko et al.
Search for new particles decaying to a jet and an emerging jet // The Journal of high energy physics, 2 (2019), 179, 42 doi:10.1007/JHEP02(2019)179 (međunarodna recenzija, članak, znanstveni)
(CMS) (CMS) Sirunyan, A., ..., Đurić, S., Lelas, D., Godinović, N., Puljak, I., Šćulac, T., Mesić, B., Šuša, T. & Kovač, M. (2019) Search for new particles decaying to a jet and an emerging jet. The Journal of high energy physics, 2, 179, 42 doi:10.1007/JHEP02(2019)179.
@article{article, year = {2019}, pages = {42}, DOI = {10.1007/JHEP02(2019)179}, chapter = {179}, keywords = {high energy physics, experimental particle physics, LHC, CMS, standard model}, journal = {The Journal of high energy physics}, doi = {10.1007/JHEP02(2019)179}, volume = {2}, issn = {1126-6708}, title = {Search for new particles decaying to a jet and an emerging jet}, keyword = {high energy physics, experimental particle physics, LHC, CMS, standard model}, chapternumber = {179} }

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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