Search for t[bar over t]H Production in the All-Jet Final State in Proton-Proton Collisions at √s = 13 TeV

A search is presented for the associated production of a Higgs boson with a top quark pair in the all-jet final state. Events containing seven or more jets are selected from a sample of proton-proton collisions at √s = 13 TeV collected with the CMS detector at the LHC in 2016, corresponding to an i...

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Main Authors: Abercrombie, Daniel Robert, Allen, Brandon Leigh, Azzolini, Virginia, Barbieri, Richard Alexander, Baty, Austin Alan, Bauer, Gerry P, Bi, Ran, Brandt, Stephanie Akemi, Busza, Wit, Cali, Ivan Amos, D'Alfonso, Mariarosaria, Gomez-Ceballos, Guillelmo, Goncharov, Maxim, Harris, Philip Coleman, Hsu, Dylan George, Iiyama, Yutaro, Innocenti, Gian Michele, Klute, Markus, Kovalskyi, Dmytro, Lee, Yen-Jie, Levin, Andrew Michael, Luckey Jr, P David, Maier, Benedikt, Marini, Andrea Carlo, McGinn, Christopher Francis, Mironov, Camelia Maria, Narayanan, Siddharth Madhavan, Niu, Xinmei, Paus, Christoph M. E., Roland, Christof E, Roland, Gunther M, Stephans, George S. F., Sumorok, Konstanty C, Tatar, Kaya, Velicanu, Dragos Alexandru, Wang, J., Wang, Ta-Wei, Wyslouch, Boleslaw, Zhaozhong, S.
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: Springer Berlin Heidelberg 2018
Online Access:http://hdl.handle.net/1721.1/116663
https://orcid.org/0000-0003-0293-1944
https://orcid.org/0000-0002-4371-2038
https://orcid.org/0000-0002-7945-005X
https://orcid.org/0000-0001-5310-3466
https://orcid.org/0000-0003-3951-4634
https://orcid.org/0000-0002-8590-2673
https://orcid.org/0000-0002-3831-9071
https://orcid.org/0000-0002-2822-3375
https://orcid.org/0000-0002-7409-7904
https://orcid.org/0000-0001-8189-3741
https://orcid.org/0000-0002-8696-1747
https://orcid.org/0000-0002-8297-5930
https://orcid.org/0000-0003-4511-0855
https://orcid.org/0000-0002-0869-5631
https://orcid.org/0000-0002-6923-293X
https://orcid.org/0000-0003-2593-7767
https://orcid.org/0000-0002-1136-6900
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https://orcid.org/0000-0003-1281-0193
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https://orcid.org/0000-0001-8983-2169
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https://orcid.org/0000-0002-1260-777X
https://orcid.org/0000-0002-0899-7621
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author Abercrombie, Daniel Robert
Allen, Brandon Leigh
Azzolini, Virginia
Barbieri, Richard Alexander
Baty, Austin Alan
Bauer, Gerry P
Bi, Ran
Brandt, Stephanie Akemi
Busza, Wit
Cali, Ivan Amos
D'Alfonso, Mariarosaria
Gomez-Ceballos, Guillelmo
Goncharov, Maxim
Harris, Philip Coleman
Hsu, Dylan George
Iiyama, Yutaro
Innocenti, Gian Michele
Klute, Markus
Kovalskyi, Dmytro
Lee, Yen-Jie
Levin, Andrew Michael
Luckey Jr, P David
Maier, Benedikt
Marini, Andrea Carlo
McGinn, Christopher Francis
Mironov, Camelia Maria
Narayanan, Siddharth Madhavan
Niu, Xinmei
Paus, Christoph M. E.
Roland, Christof E
Roland, Gunther M
Stephans, George S. F.
Sumorok, Konstanty C
Tatar, Kaya
Velicanu, Dragos Alexandru
Wang, J.
Wang, Ta-Wei
Wyslouch, Boleslaw
Zhaozhong, S.
author2 Massachusetts Institute of Technology. Department of Physics
author_facet Massachusetts Institute of Technology. Department of Physics
Abercrombie, Daniel Robert
Allen, Brandon Leigh
Azzolini, Virginia
Barbieri, Richard Alexander
Baty, Austin Alan
Bauer, Gerry P
Bi, Ran
Brandt, Stephanie Akemi
Busza, Wit
Cali, Ivan Amos
D'Alfonso, Mariarosaria
Gomez-Ceballos, Guillelmo
Goncharov, Maxim
Harris, Philip Coleman
Hsu, Dylan George
Iiyama, Yutaro
Innocenti, Gian Michele
Klute, Markus
Kovalskyi, Dmytro
Lee, Yen-Jie
Levin, Andrew Michael
Luckey Jr, P David
Maier, Benedikt
Marini, Andrea Carlo
McGinn, Christopher Francis
Mironov, Camelia Maria
Narayanan, Siddharth Madhavan
Niu, Xinmei
Paus, Christoph M. E.
Roland, Christof E
Roland, Gunther M
Stephans, George S. F.
Sumorok, Konstanty C
Tatar, Kaya
Velicanu, Dragos Alexandru
Wang, J.
Wang, Ta-Wei
Wyslouch, Boleslaw
Zhaozhong, S.
author_sort Abercrombie, Daniel Robert
collection MIT
description A search is presented for the associated production of a Higgs boson with a top quark pair in the all-jet final state. Events containing seven or more jets are selected from a sample of proton-proton collisions at √s = 13 TeV collected with the CMS detector at the LHC in 2016, corresponding to an integrated luminosity of 35.9 fb[superscript −1]. To separate the t[bar over t]H signal from the irreducible t[bar over t] + b[bar over b] background, the analysis assigns leading order matrix element signal and background probability densities to each event. A likelihood-ratio statistic based on these probability densities is used to extract the signal. The results are provided in terms of an observed ttH signal strength relative to the standard model production cross section µ = σ/σ[subscript SM], assuming a Higgs boson mass of 125 GeV. The best fit value is [ˆ over µ] = 0.9 ± 0.7(stat) ± 1.3(syst) = 0.9 ± 1.5 (tot), and the observed and expected upper limits are, respectively, µ < 3.8 and < 3.1 at 95% confidence levels. Keywords: Hadron-Hadron scattering (experiments), Higgs physics, Top physics
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spelling mit-1721.1/1166632022-09-30T01:16:01Z Search for t[bar over t]H Production in the All-Jet Final State in Proton-Proton Collisions at √s = 13 TeV Abercrombie, Daniel Robert Allen, Brandon Leigh Azzolini, Virginia Barbieri, Richard Alexander Baty, Austin Alan Bauer, Gerry P Bi, Ran Brandt, Stephanie Akemi Busza, Wit Cali, Ivan Amos D'Alfonso, Mariarosaria Gomez-Ceballos, Guillelmo Goncharov, Maxim Harris, Philip Coleman Hsu, Dylan George Iiyama, Yutaro Innocenti, Gian Michele Klute, Markus Kovalskyi, Dmytro Lee, Yen-Jie Levin, Andrew Michael Luckey Jr, P David Maier, Benedikt Marini, Andrea Carlo McGinn, Christopher Francis Mironov, Camelia Maria Narayanan, Siddharth Madhavan Niu, Xinmei Paus, Christoph M. E. Roland, Christof E Roland, Gunther M Stephans, George S. F. Sumorok, Konstanty C Tatar, Kaya Velicanu, Dragos Alexandru Wang, J. Wang, Ta-Wei Wyslouch, Boleslaw Zhaozhong, S. Massachusetts Institute of Technology. Department of Physics Massachusetts Institute of Technology. Laboratory for Nuclear Science Abercrombie, Daniel Robert Allen, Brandon Leigh Azzolini, Virginia Barbieri, Richard Alexander Baty, Austin Alan Bauer, Gerry P Bi, Ran Brandt, Stephanie Akemi Busza, Wit Cali, Ivan Amos D'Alfonso, Mariarosaria Gomez-Ceballos, Guillelmo Goncharov, Maxim Harris, Philip Coleman Hsu, Dylan George Iiyama, Yutaro Innocenti, Gian Michele Klute, Markus Kovalskyi, Dmytro Lee, Yen-Jie Levin, Andrew Michael Luckey Jr, P David Maier, Benedikt Marini, Andrea Carlo McGinn, Christopher Francis Mironov, Camelia Maria Narayanan, Siddharth Madhavan Niu, Xinmei Paus, Christoph M. E. Roland, Christof E Roland, Gunther M Stephans, George S. F. Sumorok, Konstanty C Tatar, Kaya Velicanu, Dragos Alexandru Wang, J. Wang, Ta-Wei Wyslouch, Boleslaw Zhaozhong, S. A search is presented for the associated production of a Higgs boson with a top quark pair in the all-jet final state. Events containing seven or more jets are selected from a sample of proton-proton collisions at √s = 13 TeV collected with the CMS detector at the LHC in 2016, corresponding to an integrated luminosity of 35.9 fb[superscript −1]. To separate the t[bar over t]H signal from the irreducible t[bar over t] + b[bar over b] background, the analysis assigns leading order matrix element signal and background probability densities to each event. A likelihood-ratio statistic based on these probability densities is used to extract the signal. The results are provided in terms of an observed ttH signal strength relative to the standard model production cross section µ = σ/σ[subscript SM], assuming a Higgs boson mass of 125 GeV. The best fit value is [ˆ over µ] = 0.9 ± 0.7(stat) ± 1.3(syst) = 0.9 ± 1.5 (tot), and the observed and expected upper limits are, respectively, µ < 3.8 and < 3.1 at 95% confidence levels. Keywords: Hadron-Hadron scattering (experiments), Higgs physics, Top physics National Science Foundation (U.S.) United States. Department of Energy 2018-06-27T18:33:33Z 2018-06-27T18:33:33Z 2018-06 2018-05 Article http://purl.org/eprint/type/JournalArticle 1029-8479 http://hdl.handle.net/1721.1/116663 The CMS collaboration, et al. “Search for t[bar over t]H Production in the All-Jet Final State in Proton-Proton Collisions at √s = 13 TeV.” Journal of High Energy Physics, vol. 2018, no. 6, June 2018. © 2018 The Authors https://orcid.org/0000-0003-0293-1944 https://orcid.org/0000-0002-4371-2038 https://orcid.org/0000-0002-7945-005X https://orcid.org/0000-0001-5310-3466 https://orcid.org/0000-0003-3951-4634 https://orcid.org/0000-0002-8590-2673 https://orcid.org/0000-0002-3831-9071 https://orcid.org/0000-0002-2822-3375 https://orcid.org/0000-0002-7409-7904 https://orcid.org/0000-0001-8189-3741 https://orcid.org/0000-0002-8696-1747 https://orcid.org/0000-0002-8297-5930 https://orcid.org/0000-0003-4511-0855 https://orcid.org/0000-0002-0869-5631 https://orcid.org/0000-0002-6923-293X https://orcid.org/0000-0003-2593-7767 https://orcid.org/0000-0002-1136-6900 https://orcid.org/0000-0003-2351-0487 https://orcid.org/0000-0003-1281-0193 https://orcid.org/0000-0002-8599-2437 https://orcid.org/0000-0003-2723-3560 https://orcid.org/0000-0001-7842-1591 https://orcid.org/0000-0002-6047-4211 https://orcid.org/0000-0001-8983-2169 https://orcid.org/0000-0003-3106-4894 https://orcid.org/0000-0002-6448-0168 https://orcid.org/0000-0002-1260-777X https://orcid.org/0000-0002-0899-7621 https://orcid.org/0000-0003-3681-0649 en_US https://doi.org/10.1007/JHEP06(2018)101 Journal of High Energy Physics Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/ application/pdf Springer Berlin Heidelberg Springer
spellingShingle Abercrombie, Daniel Robert
Allen, Brandon Leigh
Azzolini, Virginia
Barbieri, Richard Alexander
Baty, Austin Alan
Bauer, Gerry P
Bi, Ran
Brandt, Stephanie Akemi
Busza, Wit
Cali, Ivan Amos
D'Alfonso, Mariarosaria
Gomez-Ceballos, Guillelmo
Goncharov, Maxim
Harris, Philip Coleman
Hsu, Dylan George
Iiyama, Yutaro
Innocenti, Gian Michele
Klute, Markus
Kovalskyi, Dmytro
Lee, Yen-Jie
Levin, Andrew Michael
Luckey Jr, P David
Maier, Benedikt
Marini, Andrea Carlo
McGinn, Christopher Francis
Mironov, Camelia Maria
Narayanan, Siddharth Madhavan
Niu, Xinmei
Paus, Christoph M. E.
Roland, Christof E
Roland, Gunther M
Stephans, George S. F.
Sumorok, Konstanty C
Tatar, Kaya
Velicanu, Dragos Alexandru
Wang, J.
Wang, Ta-Wei
Wyslouch, Boleslaw
Zhaozhong, S.
Search for t[bar over t]H Production in the All-Jet Final State in Proton-Proton Collisions at √s = 13 TeV
title Search for t[bar over t]H Production in the All-Jet Final State in Proton-Proton Collisions at √s = 13 TeV
title_full Search for t[bar over t]H Production in the All-Jet Final State in Proton-Proton Collisions at √s = 13 TeV
title_fullStr Search for t[bar over t]H Production in the All-Jet Final State in Proton-Proton Collisions at √s = 13 TeV
title_full_unstemmed Search for t[bar over t]H Production in the All-Jet Final State in Proton-Proton Collisions at √s = 13 TeV
title_short Search for t[bar over t]H Production in the All-Jet Final State in Proton-Proton Collisions at √s = 13 TeV
title_sort search for t bar over t h production in the all jet final state in proton proton collisions at √s 13 tev
url http://hdl.handle.net/1721.1/116663
https://orcid.org/0000-0003-0293-1944
https://orcid.org/0000-0002-4371-2038
https://orcid.org/0000-0002-7945-005X
https://orcid.org/0000-0001-5310-3466
https://orcid.org/0000-0003-3951-4634
https://orcid.org/0000-0002-8590-2673
https://orcid.org/0000-0002-3831-9071
https://orcid.org/0000-0002-2822-3375
https://orcid.org/0000-0002-7409-7904
https://orcid.org/0000-0001-8189-3741
https://orcid.org/0000-0002-8696-1747
https://orcid.org/0000-0002-8297-5930
https://orcid.org/0000-0003-4511-0855
https://orcid.org/0000-0002-0869-5631
https://orcid.org/0000-0002-6923-293X
https://orcid.org/0000-0003-2593-7767
https://orcid.org/0000-0002-1136-6900
https://orcid.org/0000-0003-2351-0487
https://orcid.org/0000-0003-1281-0193
https://orcid.org/0000-0002-8599-2437
https://orcid.org/0000-0003-2723-3560
https://orcid.org/0000-0001-7842-1591
https://orcid.org/0000-0002-6047-4211
https://orcid.org/0000-0001-8983-2169
https://orcid.org/0000-0003-3106-4894
https://orcid.org/0000-0002-6448-0168
https://orcid.org/0000-0002-1260-777X
https://orcid.org/0000-0002-0899-7621
https://orcid.org/0000-0003-3681-0649
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