Combined search for the Standard Model Higgs boson using up to 4.9 fb−1 of pp collision data at [square root]s = 7TeV with the ATLAS detector at the LHC

Abstract: A combined search for the Standard Model Higgs boson with the ATLAS experiment at the LHC using datasets corresponding to integrated luminosities from 1.04 fb−1 to 4.9 fb−1 of pp collisions collected at s=7TeV is presented. The Higgs boson mass ranges 112.9–115.5 GeV, 131–238 GeV and 251–466 GeV are excluded at the 95% confidence level (CL), while the range 124–519 GeV is expected to be excluded in the absence of a signal. An excess of events is observed around mH∼126GeV with a local significance of 3.5 standard deviations (σ). The local significances of H→γγ, ⁎H→ZZ(⁎)→ℓ+ℓ−ℓ′+ℓ′− and ⁎H→WW(⁎)→ℓ+νℓ′−ν¯, the three most sensitive channels in this mass range, are 2.8σ, 2.1σ and 1.4σ, respectively. The global probability for the background to produce such a fluctuation anywhere in the explored Higgs boson mass range 110–600 GeV is estimated to be ∼1.4% or, equivalently, 2.2σ

Angaben zum Objekt

• Standort: Deutsche Nationalbibliothek Frankfurt am Main
• Umfang: Online-Ressource
• Sprache: Englisch
• Anmerkungen: Physics letters / B. - 710, 1 (2012) , 49-66, ISSN: 1873-2445

Beteiligte, Orts- und Zeitangaben

• Ereignis: Veröffentlichung
• (wo): Freiburg
• (wer): Universität
• (wann): 2022
• Urheber: Aad, Georges ; Ahles, Florian ; Barber, Thomas J. ; Bernhard, Ralf ; Bitenc, Urban ; Bruneliere, Renaud ; Christov, Asen ; Consorti, Valerio ; Fehling-Kaschek, Mirjam ; Flechl, Martin ; Glatzer, Julian ; Hartert, Jochen ; Herten, Gregor ; Horner, Stephan ; Jakobs, Karl ; Kollefrath, Michael ; Kononov, Artem I. ; Kühn, Susanne ; Lai, Stanley T. ; Landgraf, Ulrich ; Lohwasser, Kristin ; Ludwig, Inga ; Ludwig, Jens ; Lumb, Debra ; Mahboubi, Kambiz ; Mohr, Wolfgang ; Nilsen, Halvor Moll ; Parzefall, Ulrich ; Rammensee, Michael ; Rave, Tobias ; Runge, Kay ; Rúriková, Zuzana ; Schmidt, Evelyn ; Schumacher, Markus ; Siegert, Frank ; Störig, Kathrin ; Sundermann, Jan Erik ; Temming, Kim ; Thoma, Sascha ; Tobias, J. ; Tsiskaridze, Vakhtang ; Venturi, Manuela ; Vivarelli, Iacopo ; Radziewski, Holger von ; Vu Anh, Tuan ; Warsinsky, Markus ; Weiser, Christian ; Werner, Matthias ; Wiik-Fuchs, Liv ; Winkelmann, Stefan ; Xie, Song ; Zimmermann, Stephanie ; ATLAS Collaboration CERN

Weitere Informationen

• DOI: 10.1016/j.physletb.2012.02.044
• URN: urn:nbn:de:bsz:25-freidok-2239212
• Rechteinformation: Kein Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Letzte Aktualisierung: 15.08.2025, 07:20 MESZ