Search for top quark decays t → qH with H → γγ using the ATLAS detector
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, Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdel Khalek, S; Abdinov, O; Aben, R; Abi, B; Abolins, M; Abouzeid, OS; Abramowicz, H; Abreu, H; Abreu, R ...
Published in: Journal of High Energy Physics
January 1, 2014
A search is performed for flavour-changing neutral currents in the decay of a top quark to an up-type (c, u) quark and a Higgs boson, where the Higgs boson decays to two photons. The proton-proton collision data set used corresponds to 4.7 fb-1 at √ = 7TeV and 20.3fb-1 at √ = 8TeV collected by the ATLAS experiment at the LHC. Top quark pair events are searched for in which one top quark decays to qH and the other decays to bW. Both the hadronic and the leptonic decay modes of the W boson are used. No significant signal is observed and an upper limit is set on the t → qH branching ratio of 0.79 at the 95% confidence level. The corresponding limit on the tqH coupling combination λtcH2 + λtuH2 is 0.17. © 2014 The Author(s).
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Published In
Journal of High Energy Physics
DOI
EISSN
1029-8479
ISSN
1126-6708
Publication Date
January 1, 2014
Volume
2014
Issue
6
Related Subject Headings
- Nuclear & Particles Physics
- 5107 Particle and high energy physics
- 5106 Nuclear and plasma physics
- 4902 Mathematical physics
- 0206 Quantum Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0105 Mathematical Physics
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Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., … Arnaez, O. (2014). Search for top quark decays t → qH with H → γγ using the ATLAS detector. Journal of High Energy Physics, 2014(6). https://doi.org/10.1007/JHEP06(2014)008
Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, et al. “Search for top quark decays t → qH with H → γγ using the ATLAS detector.” Journal of High Energy Physics 2014, no. 6 (January 1, 2014). https://doi.org/10.1007/JHEP06(2014)008.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdinov O, Aben R, et al. Search for top quark decays t → qH with H → γγ using the ATLAS detector. Journal of High Energy Physics. 2014 Jan 1;2014(6).
Aad, G., et al. “Search for top quark decays t → qH with H → γγ using the ATLAS detector.” Journal of High Energy Physics, vol. 2014, no. 6, Jan. 2014. Scopus, doi:10.1007/JHEP06(2014)008.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdinov O, Aben R, Abi B, Abolins M, Abouzeid OS, Abramowicz H, Abreu H, Abreu R, Abulaiti Y, Acharya BS, Adamczyk L, Adams DL, Adelman J, Adomeit S, Adye T, Agatonovic-Jovin T, Aguilar-Saavedra JA, Agustoni M, Ahlen SP, Ahmad A, Ahmadov F, Aielli G, Åkesson TPA, Akimoto G, Akimov AV, Alberghi GL, Albert J, Albrand S, Alconada Verzini MJ, Aleksa M, Aleksandrov IN, Alexa C, Alexander G, Alexandre G, Alexopoulos T, Alhroob M, Alimonti G, Alio L, Alison J, Allbrooke BMM, Allison LJ, Allport PP, Allwood-Spiers SE, Almond J, Aloisio A, Alonso A, Alonso F, Alpigiani C, Altheimer A, Alvarez Gonzalez B, Alviggi MG, Amako K, Amaral Coutinho Y, Amelung C, Amidei D, Amor Dos Santos SP, Amorim A, Amoroso S, Amram N, Amundsen G, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anderson KJ, Andreazza A, Andrei V, Anduaga XS, Angelidakis S, Angelozzi I, Anger P, Angerami A, Anghinolfi F, Anisenkov AV, Anjos N, Annovi A, Antonaki A, Antonelli M, Antonov A, Antos J, Anulli F, Aoki M, Aperio Bella L, Apolle R, Arabidze G, Aracena I, Arai Y, Araque JP, Arce ATH, Arguin JF, Argyropoulos S, Arik M, Armbruster AJ, Arnaez O. Search for top quark decays t → qH with H → γγ using the ATLAS detector. Journal of High Energy Physics. 2014 Jan 1;2014(6).
Published In
Journal of High Energy Physics
DOI
EISSN
1029-8479
ISSN
1126-6708
Publication Date
January 1, 2014
Volume
2014
Issue
6
Related Subject Headings
- Nuclear & Particles Physics
- 5107 Particle and high energy physics
- 5106 Nuclear and plasma physics
- 4902 Mathematical physics
- 0206 Quantum Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0105 Mathematical Physics