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Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector

Publication ,  Journal Article
Aaboud, M; Aad, G; Abbott, B; Abdinov, O; Abeloos, B; Abhayasinghe, DK; Abidi, SH; AbouZeid, OS; Abraham, NL; Abramowicz, H; Abreu, H; Adye, T ...
Published in: Journal of High Energy Physics
November 1, 2018
Published version (DOI)

A search for charged Higgs bosons heavier than the top quark and decaying via H± → tb is presented. The data analysed corresponds to 36.1 fb−1 of pp collisions at s=13 TeV and was recorded with the ATLAS detector at the LHC in 2015 and 2016. The production of a charged Higgs boson in association with a top quark and a bottom quark, pp → tbH±, is explored in the mass range from mH± = 200 to 2000 GeV using multi-jet final states with one or two electrons or muons. Events are categorised according to the multiplicity of jets and how likely these are to have originated from hadronisation of a bottom quark. Multivariate techniques are used to discriminate between signal and background events. No significant excess above the background-only hypothesis is observed and exclusion limits are derived for the production cross-section times branching ratio of a charged Higgs boson as a function of its mass, which range from 2.9 pb at mH± = 200 GeV to 0.070 pb at mH± = 2000 GeV. The results are interpreted in two benchmark scenarios of the Minimal Supersymmetric Standard Model.[Figure not available: see fulltext.].

Duke Scholars

Ayana T. Arce
Author Ayana T. Arce Physics
Ashutosh V. Kotwal
Author Ashutosh V. Kotwal Physics
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Published In

Journal of High Energy Physics

DOI

10.1007/JHEP11(2018)085

EISSN

1029-8479

ISSN

1126-6708

Publication Date

November 1, 2018

Volume

2018

Issue

11

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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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, D. K., … Arnaez, O. (2018). Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector. Journal of High Energy Physics, 2018(11). https://doi.org/10.1007/JHEP11(2018)085
Aaboud, M., G. Aad, B. Abbott, O. Abdinov, B. Abeloos, D. K. Abhayasinghe, S. H. Abidi, et al. “Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector.” Journal of High Energy Physics 2018, no. 11 (November 1, 2018). https://doi.org/10.1007/JHEP11(2018)085.
Aaboud M, Aad G, Abbott B, Abdinov O, Abeloos B, Abhayasinghe DK, et al. Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector. Journal of High Energy Physics. 2018 Nov 1;2018(11).
Aaboud, M., et al. “Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector.” Journal of High Energy Physics, vol. 2018, no. 11, Nov. 2018. Scopus, doi:10.1007/JHEP11(2018)085.
Aaboud M, Aad G, Abbott B, Abdinov O, Abeloos B, Abhayasinghe DK, Abidi SH, AbouZeid OS, Abraham NL, Abramowicz H, Abreu H, Abulaiti Y, Acharya BS, Adachi S, Adamczyk L, Adelman J, Adersberger M, Adiguzel A, Adye T, Affolder AA, Afik Y, Agheorghiesei C, Aguilar-Saavedra JA, Ahmadov F, Aielli G, Akatsuka S, Åkesson TPA, Akilli E, Akimov AV, Alberghi GL, Albert J, Albicocco P, Alconada Verzini MJ, Alderweireldt S, Aleksa M, Aleksandrov IN, Alexa C, Alexopoulos T, Alhroob M, Ali B, Alimonti G, Alison J, Alkire SP, Allaire C, Allbrooke BMM, Allen BW, Allport PP, Aloisio A, Alonso A, Alonso F, Alpigiani C, Alshehri AA, Alstaty MI, Alvarez Gonzalez B, Álvarez Piqueras D, Alviggi MG, Amadio BT, Amaral Coutinho Y, Ambroz L, Amelung C, Amidei D, Amor Dos Santos SP, Amoroso S, Amrouche CS, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders JK, Anderson KJ, Andreazza A, Andrei V, Anelli CR, Angelidakis S, Angelozzi I, Angerami A, Anisenkov AV, Annovi A, Antel C, Anthony MT, Antonelli M, Antrim DJA, Anulli F, Aoki M, Aparisi Pozo JA, Aperio Bella L, Arabidze G, Araque JP, Araujo Ferraz V, Araujo Pereira R, Arce ATH, Ardell RE, Arduh FA, Arguin JF, Argyropoulos S, Armbruster AJ, Armitage LJ, Armstrong A, Arnaez O. Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector. Journal of High Energy Physics. 2018 Nov 1;2018(11).
Journal cover image

Published In

Journal of High Energy Physics

DOI

10.1007/JHEP11(2018)085

EISSN

1029-8479

ISSN

1126-6708

Publication Date

November 1, 2018

Volume

2018

Issue

11

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