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Searches for Higgs boson pair production in the hh →bbττ, γγWW∗, γγbb, bbbb channels with the ATLAS detector

Publication ,  Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Aben, R; Abolins, M; Abouzeid, OS; Abramowicz, H; Abreu, H; Abreu, R; Abulaiti, Y; Acharya, BS ...
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology
November 5, 2015
Published version (DOI)

Searches for both resonant and nonresonant Higgs boson pair production are performed in the hh→bbττ, γγWW∗ final states using 20.3 fb-1 of pp collision data at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the Large Hadron Collider. No evidence of their production is observed and 95% confidence-level upper limits on the production cross sections are set. These results are then combined with the published results of the hh→γγbb, bbbb analyses. An upper limit of 0.69 (0.47) pb on the nonresonant hh production is observed (expected), corresponding to 70 (48) times the SM gg→hh cross section. For production via narrow resonances, cross-section limits of hh production from a heavy Higgs boson decay are set as a function of the heavy Higgs boson mass. The observed (expected) limits range from 2.1 (1.1) pb at 260 GeV to 0.011 (0.018) pb at 1000 GeV. These results are interpreted in the context of two simplified scenarios of the Minimal Supersymmetric Standard Model.

Duke Scholars

Ayana T. Arce
Author Ayana T. Arce Physics
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Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

DOI

10.1103/PhysRevD.92.092004

EISSN

1550-2368

ISSN

1550-7998

Publication Date

November 5, 2015

Volume

92

Issue

9

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., … Artoni, G. (2015). Searches for Higgs boson pair production in the hh →bbττ, γγWW∗, γγbb, bbbb channels with the ATLAS detector. Physical Review D - Particles, Fields, Gravitation and Cosmology, 92(9). https://doi.org/10.1103/PhysRevD.92.092004
Aad, G., B. Abbott, J. Abdallah, O. Abdinov, R. Aben, M. Abolins, O. S. Abouzeid, et al. “Searches for Higgs boson pair production in the hh →bbττ, γγWW∗, γγbb, bbbb channels with the ATLAS detector.” Physical Review D - Particles, Fields, Gravitation and Cosmology 92, no. 9 (November 5, 2015). https://doi.org/10.1103/PhysRevD.92.092004.
Aad G, Abbott B, Abdallah J, Abdinov O, Aben R, Abolins M, et al. Searches for Higgs boson pair production in the hh →bbττ, γγWW∗, γγbb, bbbb channels with the ATLAS detector. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2015 Nov 5;92(9).
Aad, G., et al. “Searches for Higgs boson pair production in the hh →bbττ, γγWW∗, γγbb, bbbb channels with the ATLAS detector.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 92, no. 9, Nov. 2015. Scopus, doi:10.1103/PhysRevD.92.092004.
Aad G, Abbott B, Abdallah J, Abdinov O, Aben R, Abolins M, Abouzeid OS, Abramowicz H, Abreu H, Abreu R, Abulaiti Y, Acharya BS, Adamczyk L, Adams DL, Adelman J, Adomeit S, Adye T, Affolder AA, Agatonovic-Jovin T, Agricola J, Aguilar-Saavedra JA, Ahlen SP, Ahmadov F, Aielli G, Akerstedt H, Åkesson TPA, Akimov AV, Alberghi GL, Albert J, Albrand S, Alconada Verzini MJ, Aleksa M, Aleksandrov IN, Alexa C, Alexander G, Alexopoulos T, Alhroob M, Alimonti G, Alio L, Alison J, Alkire SP, Allbrooke BMM, Allport PP, Aloisio A, Alonso A, Alonso F, Alpigiani C, Altheimer A, Alvarez Gonzalez B, Álvarez Piqueras D, Alviggi MG, Amadio BT, 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, Anders JK, Anderson KJ, Andreazza A, Andrei V, Angelidakis S, Angelozzi I, Anger P, Angerami A, Anghinolfi F, Anisenkov AV, Anjos N, Annovi A, Antonelli M, Antonov A, Antos J, Anulli F, Aoki M, Aperio Bella L, Arabidze G, Arai Y, Araque JP, Arce ATH, Arduh FA, Arguin JF, Argyropoulos S, Arik M, Armbruster AJ, Arnaez O, Arnold H, Arratia M, Arslan O, Artamonov A, Artoni G. Searches for Higgs boson pair production in the hh →bbττ, γγWW∗, γγbb, bbbb channels with the ATLAS detector. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2015 Nov 5;92(9).

Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

DOI

10.1103/PhysRevD.92.092004

EISSN

1550-2368

ISSN

1550-7998

Publication Date

November 5, 2015

Volume

92

Issue

9

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences