Search for charginos and neutralinos in final states with two boosted hadronically decaying bosons and missing transverse momentum in pp collisions at s =13 TeV with the ATLAS detector
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Authors
Aad, G
Abbott, B
Abbott, DC
Abed Abud, A
Abeling, K
Abhayasinghe, DK
Abidi, SH
Abramowicz, H
Abreu, H
Abulaiti, Y
Abusleme Hoffman, AC
Acharya, BS
Achkar, B
Adam, L
Adam Bourdarios, C
Adamczyk, L
Adamek, L
Addepalli, SV
Adelman, J
Adiguzel, A
Adorni, S
Adye, T
Affolder, AA
Afik, Y
Agapopoulou, C
Agaras, MN
Agarwala, J
Aggarwal, A
Agheorghiesei, C
Aguilar-Saavedra, JA
Ahmad, A
Ahmadov, F
Ahmed, WS
Ai, X
Aielli, G
Aizenberg, I
Akatsuka, S
Akbiyik, M
Åkesson, TPA
Akimov, AV
Al Khoury, K
Alberghi, GL
Albert, J
Albicocco, P
Alconada Verzini, MJ
Alderweireldt, S
Aleksa, M
Aleksandrov, IN
Alexa, C
Alexopoulos, T
Alfonsi, A
Alfonsi, F
Alhroob, M
Ali, B
Ali, S
Aliev, M
Alimonti, G
Allaire, C
Allbrooke, BMM
Allport, PP
Aloisio, A
Alonso, F
Alpigiani, C
Alunno Camelia, E
Alvarez Estevez, M
Alviggi, MG
Amaral Coutinho, Y
Ambler, A
Ambroz, L
Amelung, C
Amidei, D
Amor Dos Santos, SP
Amoroso, S
Amrouche, CS
Anastopoulos, C
Andari, N
Andeen, T
Anders, JK
Andrean, SY
Andreazza, A
Angelidakis, S
Angerami, A
Anisenkov, AV
Annovi, A
Antel, C
Anthony, MT
Antipov, E
Antonelli, M
Antrim, DJA
Anulli, F
Aoki, M
Aparisi Pozo, JA
Aparo, MA
Aperio Bella, L
Aranzabal, N
Araujo Ferraz, V
Arcangeletti, C
Arce, ATH
Arena, E
Arguin, JF
Publication Date
2021Journal Title
Physical Review D
ISSN
2470-0010
Publisher
American Physical Society (APS)
Volume
104
Issue
11
Number
ARTN 112010
Pages
112010
Type
Article
This Version
VoR
Metadata
Show full item recordCitation
Aad, G., Abbott, B., Abbott, D., Abed Abud, A., Abeling, K., Abhayasinghe, D., Abidi, S., et al. (2021). Search for charginos and neutralinos in final states with two boosted hadronically decaying bosons and missing transverse momentum in pp collisions at s =13 TeV with the ATLAS detector. Physical Review D, 104 (11. ARTN 112010), 112010. https://doi.org/10.1103/PhysRevD.104.112010
Abstract
A search for charginos and neutralinos at the Large Hadron Collider is
reported using fully hadronic final states and missing transverse momentum.
Pair-produced charginos or neutralinos are explored, each decaying into a
high-$p_{\text{T}}$ Standard Model weak boson. Fully-hadronic final states are
studied to exploit the advantage of the large branching ratio, and the
efficient background rejection by identifying the high-$p_{\text{T}}$ bosons
using large-radius jets and jet substructure information. An integrated
luminosity of 139 fb$^{-1}$ of proton-proton collision data collected by the
ATLAS detector at a center-of-mass energy of 13 TeV is used. No significant
excess is found beyond the Standard Model expectation. The 95% confidence level
exclusion limits are set on wino or higgsino production with varying
assumptions in the decay branching ratios and the type of the lightest
supersymmetric particle. A wino (higgsino) mass up to 1060 (900) GeV is
excluded when the lightest SUSY particle mass is below 400 (240) GeV and the
mass splitting is larger than 400 (450) GeV. The sensitivity to high-mass wino
and higgsino is significantly extended compared with the previous LHC searches
using the other final states.
Keywords
hep-ex, hep-ex
Sponsorship
STFC (ST/S000712/1)
Identifiers
External DOI: https://doi.org/10.1103/PhysRevD.104.112010
This record's URL: https://www.repository.cam.ac.uk/handle/1810/335764
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