Search for light resonances decaying to boosted quark pairs and produced in association with a photon or a jet in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector - INSPIRE

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Search for light resonances decaying to boosted quark pairs and produced in association with a photon or a jet in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

ATLAS

Collaboration

Jan 26, 2018

20 pages

Published in:

Phys.Lett.B 788 (2019) 316-335

Published: Jan 10, 2019

e-Print:

1801.08769 [hep-ex]

DOI:

10.1016/j.physletb.2018.09.062 (publication)

PDG: Limits for other

{{\mathit Z}^{\,'}}

Report number:

CERN-EP-2017-280

Experiments:

CERN-LHC-ATLAS

View in:

reference search115 citations

Citations per year

Abstract: (Elsevier)

This Letter presents a search for new light resonances decaying to pairs of quarks and produced in association with a high- pT photon or jet. The dataset consists of proton–proton collisions with an integrated luminosity of 36.1 fb −1 at a centre-of-mass energy of s=13 TeV recorded by the ATLAS detector at the Large Hadron Collider. Resonance candidates are identified as massive large-radius jets with substructure consistent with a particle decaying into a quark pair. The mass spectrum of the candidates is examined for local excesses above background. No evidence of a new resonance is observed in the data, which are used to exclude the production of a lepto-phobic axial-vector Z′ boson.

Note:

33 pages in total, author list starting page 17, 6 figures, 1 table, published in Phys. Lett. B, All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/EXOT-2017-01/

p p: colliding beams
quark: pair production
boosted particle
p p: scattering
resonance: production
photon: associated production
jet: associated production
narrow resonance
resonance: hadronic decay
photon: transverse momentum

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