Search for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeV
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/194613 |
Resumo: | A search is presented for the production of a pair of Higgs bosons, where one decays into two photons and the other one into a bottom quark–antiquark pair. The analysis is performed using proton–proton collision data at √s=13TeVrecorded in 2016 by the CMS detector at the LHC, corresponding to an integrated luminosity of 35.9fb−1. The results are in agreement with standard model (SM) predictions. In a search for resonant production, upper limits are set on the cross section for new spin-0 or spin-2 particles. For the SM-like nonresonant production hypothesis, the data exclude a product of cross section and branching fraction larger than 2.0fbat 95% confidence level (CL), corresponding to about 24 times the SM prediction. Values of the effective Higgs boson self-coupling κλare constrained to be within the range −11 <κλ<17at 95% CL, assuming all other Higgs boson couplings are at their SM value. The constraints on κλare the most restrictive to date. |
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Sirunyan, A. M.Silveira, Gustavo Gil daCMS Collaboration2019-05-28T02:36:48Z20190370-2693http://hdl.handle.net/10183/194613001088915A search is presented for the production of a pair of Higgs bosons, where one decays into two photons and the other one into a bottom quark–antiquark pair. The analysis is performed using proton–proton collision data at √s=13TeVrecorded in 2016 by the CMS detector at the LHC, corresponding to an integrated luminosity of 35.9fb−1. The results are in agreement with standard model (SM) predictions. In a search for resonant production, upper limits are set on the cross section for new spin-0 or spin-2 particles. For the SM-like nonresonant production hypothesis, the data exclude a product of cross section and branching fraction larger than 2.0fbat 95% confidence level (CL), corresponding to about 24 times the SM prediction. Values of the effective Higgs boson self-coupling κλare constrained to be within the range −11 <κλ<17at 95% CL, assuming all other Higgs boson couplings are at their SM value. The constraints on κλare the most restrictive to date.application/pdfengPhysics letters. B. Amsterdam. Vol. 788 (Jan. 2019), p. 7-36Aceleradores de partículasColisao de ions pesadosBosons de higgsSearch for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeVEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT001088915.pdf.txt001088915.pdf.txtExtracted Texttext/plain118283http://www.lume.ufrgs.br/bitstream/10183/194613/2/001088915.pdf.txta2e53e1d1ae3d05629b49800f981ce25MD52ORIGINAL001088915.pdfTexto completo (inglês)application/pdf1797138http://www.lume.ufrgs.br/bitstream/10183/194613/1/001088915.pdf7fbd11d89fd1440fc78920c6543152dbMD5110183/1946132023-08-03 03:33:06.178175oai:www.lume.ufrgs.br:10183/194613Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-08-03T06:33:06Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Search for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeV |
title |
Search for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeV |
spellingShingle |
Search for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeV Sirunyan, A. M. Aceleradores de partículas Colisao de ions pesados Bosons de higgs |
title_short |
Search for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeV |
title_full |
Search for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeV |
title_fullStr |
Search for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeV |
title_full_unstemmed |
Search for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeV |
title_sort |
Search for Higgs boson pair production in the γγbb- final state in pp collisions at √s = 13 TeV |
author |
Sirunyan, A. M. |
author_facet |
Sirunyan, A. M. Silveira, Gustavo Gil da CMS Collaboration |
author_role |
author |
author2 |
Silveira, Gustavo Gil da CMS Collaboration |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Sirunyan, A. M. Silveira, Gustavo Gil da CMS Collaboration |
dc.subject.por.fl_str_mv |
Aceleradores de partículas Colisao de ions pesados Bosons de higgs |
topic |
Aceleradores de partículas Colisao de ions pesados Bosons de higgs |
description |
A search is presented for the production of a pair of Higgs bosons, where one decays into two photons and the other one into a bottom quark–antiquark pair. The analysis is performed using proton–proton collision data at √s=13TeVrecorded in 2016 by the CMS detector at the LHC, corresponding to an integrated luminosity of 35.9fb−1. The results are in agreement with standard model (SM) predictions. In a search for resonant production, upper limits are set on the cross section for new spin-0 or spin-2 particles. For the SM-like nonresonant production hypothesis, the data exclude a product of cross section and branching fraction larger than 2.0fbat 95% confidence level (CL), corresponding to about 24 times the SM prediction. Values of the effective Higgs boson self-coupling κλare constrained to be within the range −11 <κλ<17at 95% CL, assuming all other Higgs boson couplings are at their SM value. The constraints on κλare the most restrictive to date. |
publishDate |
2019 |
dc.date.accessioned.fl_str_mv |
2019-05-28T02:36:48Z |
dc.date.issued.fl_str_mv |
2019 |
dc.type.driver.fl_str_mv |
Estrangeiro info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/194613 |
dc.identifier.issn.pt_BR.fl_str_mv |
0370-2693 |
dc.identifier.nrb.pt_BR.fl_str_mv |
001088915 |
identifier_str_mv |
0370-2693 001088915 |
url |
http://hdl.handle.net/10183/194613 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Physics letters. B. Amsterdam. Vol. 788 (Jan. 2019), p. 7-36 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
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