Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector
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Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector
Title:
Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector
Author:
Aad, G.; Arnal, V.; Barreiro, Fernando; Cantero, J.; De La Torre, H.; Del Peso, J.; Glasman, C.; Llorente Merino, J.; Terron, J.; ATLAS Collaboration
Entity:
UAM. Departamento de Física Teórica
UAM Author:
Barreiro Alonso, Fernando
Publisher:
American Physical Society
Date:
2015-02-26
Citation:
Physical Review Letters 114.8 (2015): 081802
ISSN:
0031-9007 (print); 1079-7114 (online)
DOI:
10.1103/PhysRevLett.114.081802
Funded by:
We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC, and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST, and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR, and VSC CR, Czech Republic; DNRF, DNSRC, and Lundbeck Foundation, Denmark; EPLANET, ERC, and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG, and AvH Foundation, Germany; GSRT and NSRF, Greece; ISF, MINERVA, GIF, I-CORE, and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN, Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZŠ, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC andWallenberg Foundation, Sweden; SER, SNSF, and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; U.S. DOE and NSF, U.S
Project:
info:eu-repo/grantAgreement/EC/FP7/246806
Editor's Version:
http://dx.doi.org/10.1103/PhysRevLett.114.081802
Subjects:
ATLAS detector; Branching ratio; Pair production; Proton proton collisions; Standard deviation; Física
Note:
Artículo escrito por muchos autores, sólo se referencian el primero, los autores que firman como Universidad Autónoma de Madrid y el grupo de colaboración en el caso de que aparezca en el artículo
Rights:
© 2015 CERN, for the ATLAS Collaboration
Abstract:
Searches are performed for resonant and nonresonant Higgs boson pair production in the γγbb¯ final state using 20 fb-1 of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the CERN Large Hadron Collider. A 95% confidence level upper limit on the cross section times branching ratio of nonresonant production is set at 2.2 pb, while the expected limit is 1.0 pb. The difference derives from a modest excess of events, corresponding to 2.4 standard deviations from the background-only hypothesis. The limit observed in the search for a narrow X→hh resonance ranges between 0.7 and 3.5 pb as a function of the resonance mass
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™ Scholar:
Aad, G.
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Arnal, V.
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Barreiro, Fernando
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Cantero, J.
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De La Torre, H.
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Del Peso, J.
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Glasman, C.
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Llorente Merino, J.
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Terron, J.
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ATLAS Collaboration
This item appears in the following Collection(s)
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CFT - Artículos [1292]
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OpenAIRE: Open Access Infrastructure for Research in Europe [1023]
(Resultados de investigación financiados por el 7PM y H2020 de la UE)