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Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector

Publication ,  Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdel Khalek, S; Abdelalim, AA; Abdinov, O; Abi, B; Abolins, M; AbouZeid, OS; Abramowicz, H; Abreu, H; Adye, T ...
Published in: European Physical Journal C
January 1, 2012

A search for a fermiophobic Higgs boson using diphoton events produced in proton-proton collisions at a centre-of-mass energy of √s = 7 TeV is performed using data corresponding to an integrated luminosity of 4.9 fb−1collected by the ATLAS experiment at the Large Hadron Collider. A specific benchmark model is considered where all the fermion couplings to the Higgs boson are set to zero and the bosonic couplings are kept at the Standard Model values (fermiophobic Higgs model). The largest excess with respect to the background-only hypothesis is found at 125.5 GeV, with a local significance of 2.9 standard deviations, which reduces to 1.6 standard deviations when taking into account the look-elsewhere effect. The data exclude the fermiophobic Higgs model in the ranges 110.0–118.0 GeV and 119.5–121.0 GeV at 95 % confidence level.

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Published In

European Physical Journal C

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

January 1, 2012

Volume

72

Issue

9

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5102 Atomic, molecular and optical physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
 

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Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdelalim, A. A., Abdinov, O., … Artamonov, A. (2012). Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector. European Physical Journal C, 72(9). https://doi.org/10.1140/epjc/s10052-012-2157-0
Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, A. A. Abdelalim, O. Abdinov, B. Abi, et al. “Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector.” European Physical Journal C 72, no. 9 (January 1, 2012). https://doi.org/10.1140/epjc/s10052-012-2157-0.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdelalim AA, Abdinov O, et al. Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector. European Physical Journal C. 2012 Jan 1;72(9).
Aad, G., et al. “Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector.” European Physical Journal C, vol. 72, no. 9, Jan. 2012. Scopus, doi:10.1140/epjc/s10052-012-2157-0.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdelalim AA, Abdinov O, Abi B, Abolins M, AbouZeid OS, Abramowicz H, Abreu H, Acerbi E, Acharya BS, Adamczyk L, Adams DL, Addy TN, Adelman J, Adomeit S, Adragna P, Adye T, Aefsky S, Aguilar-Saavedra JA, Aharrouche M, Ahlen SP, Ahles F, Ahmad A, Ahsan M, Aielli G, Akdogan T, Åkesson TPA, Akimoto G, Akimov AV, Akiyama A, Alam MS, Alam MA, Albert J, Albrand S, Aleksa M, Aleksandrov IN, Alessandria F, Alexa C, Alexander G, Alexandre G, Alexopoulos T, Alhroob M, Aliev M, Alimonti G, Alison J, Allbrooke BMM, Allport PP, Allwood-Spiers SE, Almond J, Aloisio A, Alon R, Alonso A, Alvarez Gonzalez B, Alviggi MG, Amako K, Amelung C, Ammosov VV, Amorim A, Amram N, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anderson KJ, Andreazza A, Andrei V, Anduaga XS, Anger P, Angerami A, Anghinolfi F, Anisenkov A, Anjos N, Annovi A, Antonaki A, Antonelli M, Antonov A, Antos J, Anulli F, Aoun S, Aperio Bella L, Apolle R, Arabidze G, Aracena I, Arai Y, Arce ATH, Arfaoui S, Arguin JF, Arik E, Arik M, Armbruster AJ, Arnaez O, Arnal V, Arnault C, Artamonov A. Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector. European Physical Journal C. 2012 Jan 1;72(9).
Journal cover image

Published In

European Physical Journal C

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

January 1, 2012

Volume

72

Issue

9

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5102 Atomic, molecular and optical physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics