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Search for the Zγ decay mode of new high-mass resonances in pp collisions at s=13 TeV with the ATLAS detector

Publication ,  Journal Article
Aad, G; Abbott, B; Abbott, DC; Abed Abud, A; Abeling, K; Abhayasinghe, DK; Abidi, SH; Aboulhorma, A; Abramowicz, H; Abreu, H; Abulaiti, Y ...
Published in: Physics Letters Section B Nuclear Elementary Particle and High Energy Physics
January 1, 2024

This letter presents a search for narrow, high-mass resonances in the Zγ final state with the Z boson decaying into a pair of electrons or muons. The s=13 TeV pp collision data were recorded by the ATLAS detector at the CERN Large Hadron Collider and have an integrated luminosity of 140 fb−1. The data are found to be in agreement with the Standard Model background expectation. Upper limits are set on the resonance production cross section times the decay branching ratio into Zγ. For spin-0 resonances produced via gluon–gluon fusion, the observed limits at 95% confidence level vary between 65.5 fb and 0.6 fb, while for spin-2 resonances produced via gluon–gluon fusion (or quark–antiquark initial states) limits vary between 77.4 (76.1) fb and 0.6 (0.5) fb, for the mass range from 220 GeV to 3400 GeV.

Duke Scholars

Published In

Physics Letters Section B Nuclear Elementary Particle and High Energy Physics

DOI

ISSN

0370-2693

Publication Date

January 1, 2024

Volume

848

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics
 

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Aad, G., Abbott, B., Abbott, D. C., Abed Abud, A., Abeling, K., Abhayasinghe, D. K., … Araujo Ferraz, V. (2024). Search for the Zγ decay mode of new high-mass resonances in pp collisions at s=13 TeV with the ATLAS detector. Physics Letters Section B Nuclear Elementary Particle and High Energy Physics, 848. https://doi.org/10.1016/j.physletb.2023.138394
Aad, G., B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling, D. K. Abhayasinghe, S. H. Abidi, et al. “Search for the Zγ decay mode of new high-mass resonances in pp collisions at s=13 TeV with the ATLAS detector.” Physics Letters Section B Nuclear Elementary Particle and High Energy Physics 848 (January 1, 2024). https://doi.org/10.1016/j.physletb.2023.138394.
Aad G, Abbott B, Abbott DC, Abed Abud A, Abeling K, Abhayasinghe DK, et al. Search for the Zγ decay mode of new high-mass resonances in pp collisions at s=13 TeV with the ATLAS detector. Physics Letters Section B Nuclear Elementary Particle and High Energy Physics. 2024 Jan 1;848.
Aad, G., et al. “Search for the Zγ decay mode of new high-mass resonances in pp collisions at s=13 TeV with the ATLAS detector.” Physics Letters Section B Nuclear Elementary Particle and High Energy Physics, vol. 848, Jan. 2024. Scopus, doi:10.1016/j.physletb.2023.138394.
Aad G, Abbott B, Abbott DC, Abed Abud A, Abeling K, Abhayasinghe DK, Abidi SH, Aboulhorma A, 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, Amos KR, Amrouche CS, Ananiev V, Anastopoulos C, Andari N, Andeen T, Anders JK, Andrean SY, Andreazza A, Anelli CR, 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. Search for the Zγ decay mode of new high-mass resonances in pp collisions at s=13 TeV with the ATLAS detector. Physics Letters Section B Nuclear Elementary Particle and High Energy Physics. 2024 Jan 1;848.
Journal cover image

Published In

Physics Letters Section B Nuclear Elementary Particle and High Energy Physics

DOI

ISSN

0370-2693

Publication Date

January 1, 2024

Volume

848

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics