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Pregled bibliografske jedinice broj: 538502

A search for excited leptons in pp collisions at s=7 TeV


Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Damir; Lelas, Karlo; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Dželalija, Mile et al.
A search for excited leptons in pp collisions at s=7 TeV // Physics letters. B, 704 (2011), 3; 143-162 doi:10.1016/j.physletb.2011.09.021 (međunarodna recenzija, članak, znanstveni)


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Naslov
A search for excited leptons in pp collisions at s=7 TeV

Autori
Chatrchyan, S. ; ... ; Godinović, Nikola ; Lelas, Damir ; Lelas, Karlo ; Pleština, Roko ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Dželalija, Mile ; Brigljević, Vuko ; Đurić, Senka ; Kadija, Krešo ; Morović, Srećko ; ... ; White, A.

Izvornik
Physics letters. B (0370-2693) 704 (2011), 3; 143-162

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

Ključne riječi
CMS; physics

Sažetak
A search for excited leptons is carried out with the CMS detector at the LHC, using 36 pb−1 of pp collision data recorded at . The search is performed for associated production of a lepton and an oppositely charged excited lepton pp→ℓℓ⁎, followed by the decay ℓ⁎→ℓγ, resulting in the ℓℓγ final state, where ℓ=e, μ. No excess of events above the standard model expectation is observed. Interpreting the findings in the context of ℓ⁎ production through four-fermion contact interactions and subsequent decay via electroweak processes, first upper limits are reported for ℓ⁎ production at this collision energy. The exclusion region in the compositeness scale Λ and excited lepton mass Mℓ⁎ parameter space is extended beyond previously established limits. For Λ=Mℓ⁎, excited lepton masses are excluded below 1070 GeV/c2 for e⁎ and 1090 GeV/c2 for μ⁎ at the 95% confidence level.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

Napomena
The CMS Collaboration



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,
Sveučilište u Splitu

Citiraj ovu publikaciju

Chatrchyan, S.; ...; Godinović, Nikola; Lelas, Damir; Lelas, Karlo; Pleština, Roko; Polić, Dunja; Puljak, Ivica; Antunović, Željko; Dželalija, Mile et al.
A search for excited leptons in pp collisions at s=7 TeV // Physics letters. B, 704 (2011), 3; 143-162 doi:10.1016/j.physletb.2011.09.021 (međunarodna recenzija, članak, znanstveni)
Chatrchyan, S., ..., Godinović, N., Lelas, D., Lelas, K., Pleština, R., Polić, D., Puljak, I., Antunović, Ž. & Dželalija, M. (2011) A search for excited leptons in pp collisions at s=7 TeV. Physics letters. B, 704 (3), 143-162 doi:10.1016/j.physletb.2011.09.021.
@article{article, year = {2011}, pages = {143-162}, DOI = {10.1016/j.physletb.2011.09.021}, keywords = {CMS, physics}, journal = {Physics letters. B}, doi = {10.1016/j.physletb.2011.09.021}, volume = {704}, number = {3}, issn = {0370-2693}, title = {A search for excited leptons in pp collisions at 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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