Search for the Higgs boson produced in association with a W boson and decaying to four b-quarks via two spin-zero particles in pp collisions at 13 TeV with the ATLAS detector
نویسندگان
- M. Aaboud
- G. Aad
- B. Abbott
- J. Abdallah
- O. Abdinov
- B. Abeloos
- R. Aben
- O. S. AbouZeid
- N. L. Abraham
- H. Abramowicz
- H. Abreu
- R. Abreu
- Y. Abulaiti
- B. S. Acharya
- L. Adamczyk
- D. L. Adams
- J. Adelman
- S. Adomeit
- T. Adye
- A. A. Affolder
- T. Agatonovic-Jovin
- J. Agricola
- J. A. Aguilar-Saavedra
- S. P. Ahlen
- F. Ahmadov
- G. Aielli
- H. Akerstedt
- T. P. A. Åkesson
- A. V. Akimov
- G. L. Alberghi
- J. Albert
- S. Albrand
- M. J. Alconada Verzini
- M. Aleksa
- I. N. Aleksandrov
- C. Alexa
- G. Alexander
- T. Alexopoulos
- M. Alhroob
- B. Ali
- M. Aliev
- G. Alimonti
- J. Alison
- S. P. Alkire
- B. M. M. Allbrooke
- B. W. Allen
- P. P. Allport
- A. Aloisio
- A. Alonso
- F. Alonso
- C. Alpigiani
- M. Alstaty
- B. Alvarez Gonzalez
- D. Álvarez Piqueras
- M. G. Alviggi
- B. T. Amadio
- K. Amako
- Y. Amaral Coutinho
- C. Amelung
- D. Amidei
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- A. Amorim
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- C. Anastopoulos
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- G. Anders
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- A. Andreazza
- V. Andrei
- S. Angelidakis
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- I. Bloch
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چکیده
This paper presents a dedicated search for exotic decays of the Higgs boson to a pair of new spin-zero particles, [Formula: see text], where the particle a decays to b-quarks and has a mass in the range of 20-60 GeV. The search is performed in events where the Higgs boson is produced in association with a [Formula: see text] boson, giving rise to a signature of a lepton (electron or muon), missing transverse momentum, and multiple jets from b-quark decays. The analysis is based on the full dataset of pp collisions at [Formula: see text] recorded in 2015 by the ATLAS detector at the CERN Large Hadron Collider, corresponding to an integrated luminosity of 3.2 [Formula: see text]. No significant excess of events above the Standard Model prediction is observed, and a [Formula: see text] confidence-level upper limit is derived for the product of the production cross section for [Formula: see text] times the branching ratio for the decay [Formula: see text]. The upper limit ranges from 6.2 pb for an a-boson mass [Formula: see text] to 1.5 pb for [Formula: see text].
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ورودعنوان ژورنال:
دوره 76 شماره
صفحات -
تاریخ انتشار 2016