Search for heavy resonances decaying to a photon and a hadronically decaying $Z/W/H$ boson in $pp$ collisions at $\sqrt{s}=13$ $\mathrm{TeV}$ with the ATLAS detector

descriptionPublicationkeyboard_double_arrow_right Article , Research , Preprint 01 Jan 2018Embargo end date: 01 Jan 2018Publisher:arXivJournal:Physical review letters, volume 125 (issn: 1079-7114,

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Authors: Aad, G.; Abbott, B.; Abbott, D. C.; Abud, A.; Abeling, K.; Abhayasinghe, D. K.; Abidi, S. H.; +193 Authors

Aad, G.; Abbott, B.; Abbott, D. C.; Abud, A.; Abeling, K.; Abhayasinghe, D. K.; Abidi, S. H.; AbouZeid, O. S.; Abraham, N. L.; Abramowicz, H.; Abreu, H.; Abulaiti, Y.; Acharya, B. S.; Achkar, B.; Adachi, S.; Adam, L.; Bourdarios, Adam C.; Adamczyk, L.; Adamek, L.; Adelman, J.; Adersberger, M.; Adiguzel, A.; Adorni, S.; Adye, T.; Affolder, A. A.; Afik, Y.; Agapopoulou, C.; Agaras, M. N.; Aggarwal, A.; Agheorghiesei, C.; Aguilar-Saavedra, J. A.; Ahmadov, F.; Ahmed, W. S.; Ai, X.; Aielli, G.; Akatsuka, S.; Akesson, T. P. A.; Akilli, E.; Akimov, A. V.; Al Khoury, K.; Alberghi, G. L.; Albert, J.; Alconada Verzini, M. J.; Alderweireldt, S.; Aleksa, M.; Aleks; rov, I. N.; Alexa, C.; Alex; re, D.; Alexopoulos, T.; Alfonsi, A.; Alfonsi, F.; Alhroob, M.; Ali, B.; Alimonti, G.; Alison, J.; Alkire, S. P.; Allaire, C.; Allbrooke, B. M. M.; Allen, B. W.; Allport, P. P.; Aloisio, A.; Alonso, A.; Alonso, F.; Alpigiani, C.; Alshehri, A. A.; Alvarez Estevez, M.; Alvarez Piqueras, D.; Alviggi, M. G.; Amaral Coutinho, Y.; Ambler, A.; Ambroz, L.; Amelung, C.; Amidei, D.; Amor Dos Santos, S. P.; Amoroso, S.; Amrouche, C. S.; An, F.; Anastopoulos, C.; Andari, N.; Andeen, T.; Anders, C. F.; Anders, J. K.; Andreazza, A.; Andrei, V.; Anelli, C. R.; Angelidakis, S.; Angerami, A.; Anisenkov, A. V.; Annovi, A.; Antel, C.; Anthony, M. T.; Antonelli, M.; Antrim, D. J. A.; Anulli, F.; Aoki, M.; Aparisi Pozo, J. A.; Aperio Bella, L.; Arabidze, G.; Araque, J. P.; Araujo Ferraz, V.; Araujo Pereira, R.; Arcangeletti, C.; Arce, A. T. H.; Arduh, F. A.; Arguin, J-F.; Argyropoulos, S.; Arling, J. -H.; Armbruster, A. J.; Armstrong, A.; Arnaez, O.; Arnold, H.; Arrubarrena Tame, Z. P.; Artamonov, A.; Artoni, G.; Artz, S.; Asai, S.; Asbah, N.; Asimakopoulou, E. M.; Asquith, L.; Assahsah, J.; Assamagan, K.; Astalos, R.; Atkin, R. J.; Atkinson, M.; Atlay, N. B.; Atmani, H.; Augsten, K.; Avolio, G.; Avramidou, R.; Ayoub, M. K.; Azoulay, A. M.; Azuelos, G.; Bachacou, H.; Bachas, K.; Backes, M.; Backman, F.; Bagnaia, P.; Bahmani, M.; Bahrasemani, H.; Bailey, A. J.; Bailey, V. R.; Baines, J. T.; Bajic, M.; Bakalis, C.; Baker, O. K.; Bakker, P. J.; Bakshi Gupta, D.; Balaji, S.; Baldin, E. M.; Balek, P.; Balli, F.; Balunas, W. K.; Balz, J.; Banas, E.; B; yopadhyay, A.; Banerjee, Sw.; Bannoura, A. A. E.; Barak, L.; Barbe, W. M.; Barberio, E. L.; Barberis, D.; Barbero, M.; Barbour, G.; Barillari, T.; Barisits, M-S.; Barkeloo, J.; Barklow, T.; Barnea, R.; Barnes, S. L.; Barnett, B. M.; Barnett, R. M.; Barnovska-Blenessy, Z.; Baroncelli, A.; Barone, G.; Barr, A. J.; Navarro, Barranco L.; Barreiro, F.; da Costa, J. Barreiro Guimaraes; Barsov, S.; Bartoldus, R.; Bartolini, G.; Barton, A. E.; Bartos, P.; Basalaev, A.; Bassalat, A.; Basso, M. J.; Bates, R. L.; Batlamous, S.; Batley, J. R.; Batool, B.; Battaglia, M.; Bauce, M.; Bauer, F.; Bauer, K. T.; Bawa, H. S.; Beacham, J. B.; Beau, T.;

doi: 10.48550/arxiv.1805.01908 , 10.17863/cam.62988 , 10.3204/pubdb-2020-03028 , 10.48550/arxiv.2008.05928 , 10.3204/pubdb-2020-05247

pmid: 33416363

arXiv: 2008.05928 , 1805.01908

Search for heavy resonances decaying to a photon and a hadronically decaying $Z/W/H$ boson in $pp$ collisions at $\sqrt{s}=13$ $\mathrm{TeV}$ with the ATLAS detector

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Abstract

This Letter presents a search for the production of new heavy resonances decaying into a Higgs boson and a photon using proton-proton collision data at $\sqrt{s}=13$ TeV collected by the ATLAS detector at the LHC. The data correspond to an integrated luminosity of 139 fb$^{-1}$. The analysis is performed by reconstructing hadronically decaying Higgs boson $(H\to b\bar{b})$ candidates as single large-radius jets. A novel algorithm using information about the jet constituents in the center-of-mass frame of the jet is implemented to identify the two $b$-quarks in the single jet. No significant excess of events is observed above the expected background. Upper limits are set on the production cross-section times branching fraction for narrow spin-1 resonances decaying into a Higgs boson and a photon in the resonance mass range from 0.7 to 4 TeV, cross-sections times branching fraction are excluded between 11.6 fb and 0.11 fb at a 95% confidence level.

Physical review letters 125(25), 251802 (1-20) (2020). doi:10.1103/PhysRevLett.125.251802

Published by APS, College Park, Md.

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Keywords

Bottom: particle identification, spin: resonance, Physics and Astronomy (miscellaneous), 13000 GeV-cms, LHC, ATLAS, bottom: particle identification, high energy physics, High Energy Physics - Experiment, resonance: heavy, Spin: 1, High Energy Physics - Experiment (hep-ex), Hadron-hadron collisions ; Higgs boson, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics Experiments, Narrow resonance, info:eu-repo/classification/ddc/530, Z0: hadronic decay, resonance: decay modes, resonance: mass, Resonance: heavy, Physics, ddc:530, Particle physics, Channel cross section: branching ratio: upper limit, ATLAS, Settore FIS/01 - FISICA SPERIMENTALE, channel cross section: branching ratio: upper limit, P p: scattering, CERN LHC Coll, Resonance: decay modes, Physical Sciences, Resonance: production, spin: 1, LHC, W: associated production, narrow resonance, 51 Physical Sciences, 5107 Particle and High Energy Physics, p p: scattering, Decay (organic); Photons; Resonance; ATLAS detectors; Branching fractions; Center of mass; Confidence levels; Integrated luminosity; Novel algorithm; Production cross section; Proton proton collisions; algorithm; article; boson; luminance; photon; quark; Bosons, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Particles & Fields, FOS: Physical sciences, bottom: pair production, Astronomy & Astrophysics, 530, PARTON DISTRIBUTIONS; LHC; GAMMA, Spin: resonance, Photon: associated production, parton distributions; gamma, resonance: decay, Experimental results, High energy physics, particle physics, Hadron-hadron collisions ; W bosons ; Z boson ; Higgs boson, S055H2O, S056ZOT, Particle Physics, LHC, ATLAS, W: hadronic decay, Science & Technology, background, S056W1C, P p: colliding beams, 500, Higgs particle: associated production, GAMMA, Resonance: mass, Z0: associated production, photon: associated production, Background, PARTON DISTRIBUTIONS, Higgs particle: hadronic decay, 5106 Nuclear and Plasma Physics, Bottom: pair production, p p: colliding beams, 500.2, resonance: production, experimental results, ddc: ddc:500.2

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