Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , , , , , , , , , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.26/26426 |
Resumo: | A search for supersymmetry is presented based on events with large missing transverse energy, no isolated electron or muon, and at least three jets with one or more identified as a bottom-quark jet. A simultaneous examination is performed of the numbers of events in exclusive bins of the scalar sum of jet transverse momentum values, missing transverse energy, and bottom-quark jet multiplicity. The sample, corresponding to an integrated luminosity of 19.4 inverse femtobarns, consists of proton-proton collision data recorded at a center-of-mass energy of 8 TeV with the CMS detector at the LHC in 2012. The observed numbers of events are found to be consistent with the standard model expectation, which is evaluated with control samples in data. The results are interpreted in the context of two simplified supersymmetric scenarios in which gluino pair production is followed by the decay of each gluino to an undetected lightest supersymmetric particle and either a bottom or top quark-antiquark pair, characteristic of gluino mediated bottom- or top-squark production. Using the production cross section calculated to next-to-leading-order plus next-to-leading-logarithm accuracy, and in the limit of a massless lightest supersymmetric particle, we exclude gluinos with masses below 1170 GeV and 1020 GeV for the two scenarios, respectively. |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeVA search for supersymmetry is presented based on events with large missing transverse energy, no isolated electron or muon, and at least three jets with one or more identified as a bottom-quark jet. A simultaneous examination is performed of the numbers of events in exclusive bins of the scalar sum of jet transverse momentum values, missing transverse energy, and bottom-quark jet multiplicity. The sample, corresponding to an integrated luminosity of 19.4 inverse femtobarns, consists of proton-proton collision data recorded at a center-of-mass energy of 8 TeV with the CMS detector at the LHC in 2012. The observed numbers of events are found to be consistent with the standard model expectation, which is evaluated with control samples in data. The results are interpreted in the context of two simplified supersymmetric scenarios in which gluino pair production is followed by the decay of each gluino to an undetected lightest supersymmetric particle and either a bottom or top quark-antiquark pair, characteristic of gluino mediated bottom- or top-squark production. Using the production cross section calculated to next-to-leading-order plus next-to-leading-logarithm accuracy, and in the limit of a massless lightest supersymmetric particle, we exclude gluinos with masses below 1170 GeV and 1020 GeV for the two scenarios, respectively.Repositório ComumCMS collaboration (2204 authors)Hollar, JonathanNayak, ArunaCalpas, BettyAlmeida, NunoBargassa, PedrameBeirão Da Cruz E Silva, CristóvãoFaccioli, PietroFerreira Parracho, Pedro GuilhermeGallinaro, MicheleRodrigues Antunes, JoaoSeixas, JoaoVarela, JoaoVischia, PietroLloret Iglesias, LaraDavid Tinoco Mendes, AndreMusella, PasqualeSilva, PedroPela, JoaoLeonardo, Nuno2019-02-03T22:54:16Z2013-10-012019-02-03T22:54:16Z2013-10-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.26/26426enghttp://dx.doi.org/10.1016/j.physletb.2013.06.058info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-08-03T06:25:45ZPortal AgregadorONG |
dc.title.none.fl_str_mv |
Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV |
title |
Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV |
spellingShingle |
Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV CMS collaboration (2204 authors) |
title_short |
Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV |
title_full |
Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV |
title_fullStr |
Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV |
title_full_unstemmed |
Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV |
title_sort |
Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV |
author |
CMS collaboration (2204 authors) |
author_facet |
CMS collaboration (2204 authors) Hollar, Jonathan Nayak, Aruna Calpas, Betty Almeida, Nuno Bargassa, Pedrame Beirão Da Cruz E Silva, Cristóvão Faccioli, Pietro Ferreira Parracho, Pedro Guilherme Gallinaro, Michele Rodrigues Antunes, Joao Seixas, Joao Varela, Joao Vischia, Pietro Lloret Iglesias, Lara David Tinoco Mendes, Andre Musella, Pasquale Silva, Pedro Pela, Joao Leonardo, Nuno |
author_role |
author |
author2 |
Hollar, Jonathan Nayak, Aruna Calpas, Betty Almeida, Nuno Bargassa, Pedrame Beirão Da Cruz E Silva, Cristóvão Faccioli, Pietro Ferreira Parracho, Pedro Guilherme Gallinaro, Michele Rodrigues Antunes, Joao Seixas, Joao Varela, Joao Vischia, Pietro Lloret Iglesias, Lara David Tinoco Mendes, Andre Musella, Pasquale Silva, Pedro Pela, Joao Leonardo, Nuno |
author2_role |
author author author author author author author author author author author author author author author author author author author |
dc.contributor.none.fl_str_mv |
Repositório Comum |
dc.contributor.author.fl_str_mv |
CMS collaboration (2204 authors) Hollar, Jonathan Nayak, Aruna Calpas, Betty Almeida, Nuno Bargassa, Pedrame Beirão Da Cruz E Silva, Cristóvão Faccioli, Pietro Ferreira Parracho, Pedro Guilherme Gallinaro, Michele Rodrigues Antunes, Joao Seixas, Joao Varela, Joao Vischia, Pietro Lloret Iglesias, Lara David Tinoco Mendes, Andre Musella, Pasquale Silva, Pedro Pela, Joao Leonardo, Nuno |
description |
A search for supersymmetry is presented based on events with large missing transverse energy, no isolated electron or muon, and at least three jets with one or more identified as a bottom-quark jet. A simultaneous examination is performed of the numbers of events in exclusive bins of the scalar sum of jet transverse momentum values, missing transverse energy, and bottom-quark jet multiplicity. The sample, corresponding to an integrated luminosity of 19.4 inverse femtobarns, consists of proton-proton collision data recorded at a center-of-mass energy of 8 TeV with the CMS detector at the LHC in 2012. The observed numbers of events are found to be consistent with the standard model expectation, which is evaluated with control samples in data. The results are interpreted in the context of two simplified supersymmetric scenarios in which gluino pair production is followed by the decay of each gluino to an undetected lightest supersymmetric particle and either a bottom or top quark-antiquark pair, characteristic of gluino mediated bottom- or top-squark production. Using the production cross section calculated to next-to-leading-order plus next-to-leading-logarithm accuracy, and in the limit of a massless lightest supersymmetric particle, we exclude gluinos with masses below 1170 GeV and 1020 GeV for the two scenarios, respectively. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-10-01 2013-10-01T00:00:00Z 2019-02-03T22:54:16Z 2019-02-03T22:54:16Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.26/26426 |
url |
http://hdl.handle.net/10400.26/26426 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
http://dx.doi.org/10.1016/j.physletb.2013.06.058 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
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repository.mail.fl_str_mv |
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1777301457865801728 |