Search for new phenomena in dijet mass and angular distributions from pp collisions at √s = 13 TeV with the ATLAS detector

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dc.contributor.authorAad, G
dc.contributor.authorAbbott, B
dc.contributor.authorAbdallah, J
dc.contributor.authorAbdinov, O
dc.contributor.authorAbeloos, B
dc.contributor.authorAben, R
dc.contributor.authorAbolins, M
dc.contributor.authorAbouZeid, O S
dc.contributor.authorAbramowicz, H
dc.contributor.authorAbreu, H
dc.contributor.authorAbreu, R
dc.contributor.authorAbulaiti, Y
dc.contributor.authorAcharya, B S
dc.contributor.authorAdamczyk, L
dc.contributor.authorAdams, D L
dc.contributor.authorAdelman, J
dc.contributor.authorAdomeit, S
dc.contributor.authorAdye, T
dc.contributor.authorAffolder, A A
dc.contributor.authorAgatonovic-Jovin, T
dc.contributor.authorAgricola, J
dc.contributor.authorAguilar-Saavedra, J A
dc.contributor.authorAhlen, S P
dc.contributor.authorAhmadov, F
dc.contributor.authorAielli, G
dc.contributor.authorAkerstedt, H
dc.contributor.authorÅkesson, T P A
dc.contributor.authorAkimov, A V
dc.contributor.authorAlberghi, G L
dc.contributor.authorAlbert, J
dc.contributor.authorAlbrand, S
dc.contributor.authorAlconada Verzini, M J
dc.date.accessioned2021-10-08T07:11:51Z
dc.date.available2021-10-08T07:11:51Z
dc.date.issued2016
dc.description.abstractThis Letter describes a model-agnostic search for pairs of jets (dijets) produced by resonant and non-resonant phenomena beyond the Standard Model in 3.6 fb−1 of proton–proton collisions with a centre-of-mass energy of √s = 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The distribution of the invariant mass of the two leading jets is examined for local excesses above a data-derived estimate of the smoothly falling prediction of the Standard Model. The data are also compared to a Monte Carlo simulation of Standard Model angular distributions derived from the rapidity of the two jets. No evidence of anomalous phenomena is observed in the data, which are used to exclude, at 95% CL, quantum black holes with threshold masses below 8.3 TeV, 8.1 TeV, or 5.1 TeV in three different benchmark scenarios; resonance masses below 5.2 TeV for excited quarks, 2.6 TeV in a W model, a range of masses starting from mZ = 1.5 TeV and couplings from gq = 0.2 in a Z model; and contact interactions with a compositeness scale below 12.0 TeV and 17.5 TeV respectively for destructive and constructive interference between the new interaction and QCD processes. These results significantly extend the ATLAS limits obtained from 8 TeV data. Gaussian-shaped contributions to the mass distribution are also excluded if the effective cross-section exceeds values ranging from approximately 50–300 fb for masses below 2 TeV to 2–20 fb for masses above 4 TeV.
dc.identifier.apacitationAad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., ... Alconada Verzini, M. J. (2016). Search for new phenomena in dijet mass and angular distributions from pp collisions at √s = 13 TeV with the ATLAS detector. <i>Physics Letters, B</i>, 754(C), 302 - 322. http://hdl.handle.net/11427/34696en_ZA
dc.identifier.chicagocitationAad, G, B Abbott, J Abdallah, O Abdinov, B Abeloos, R Aben, M Abolins, et al "Search for new phenomena in dijet mass and angular distributions from pp collisions at √s = 13 TeV with the ATLAS detector." <i>Physics Letters, B</i> 754, C. (2016): 302 - 322. http://hdl.handle.net/11427/34696en_ZA
dc.identifier.citationAad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., Abolins, M. & AbouZeid, O.S. et al. 2016. Search for new phenomena in dijet mass and angular distributions from pp collisions at √s = 13 TeV with the ATLAS detector. <i>Physics Letters, B.</i> 754(C):302 - 322. http://hdl.handle.net/11427/34696en_ZA
dc.identifier.issn0370-2693
dc.identifier.issn1873-2445
dc.identifier.ris TY - Journal Article AU - Aad, G AU - Abbott, B AU - Abdallah, J AU - Abdinov, O AU - Abeloos, B AU - Aben, R AU - Abolins, M AU - AbouZeid, O S AU - Abramowicz, H AU - Abreu, H AU - Abreu, R AU - Abulaiti, Y AU - Acharya, B S AU - Adamczyk, L AU - Adams, D L AU - Adelman, J AU - Adomeit, S AU - Adye, T AU - Affolder, A A AU - Agatonovic-Jovin, T AU - Agricola, J AU - Aguilar-Saavedra, J A AU - Ahlen, S P AU - Ahmadov, F AU - Aielli, G AU - Akerstedt, H AU - Åkesson, T P A AU - Akimov, A V AU - Alberghi, G L AU - Albert, J AU - Albrand, S AU - Alconada Verzini, M J AB - This Letter describes a model-agnostic search for pairs of jets (dijets) produced by resonant and non-resonant phenomena beyond the Standard Model in 3.6 fb−1 of proton–proton collisions with a centre-of-mass energy of √s = 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The distribution of the invariant mass of the two leading jets is examined for local excesses above a data-derived estimate of the smoothly falling prediction of the Standard Model. The data are also compared to a Monte Carlo simulation of Standard Model angular distributions derived from the rapidity of the two jets. No evidence of anomalous phenomena is observed in the data, which are used to exclude, at 95% CL, quantum black holes with threshold masses below 8.3 TeV, 8.1 TeV, or 5.1 TeV in three different benchmark scenarios; resonance masses below 5.2 TeV for excited quarks, 2.6 TeV in a W model, a range of masses starting from mZ = 1.5 TeV and couplings from gq = 0.2 in a Z model; and contact interactions with a compositeness scale below 12.0 TeV and 17.5 TeV respectively for destructive and constructive interference between the new interaction and QCD processes. These results significantly extend the ATLAS limits obtained from 8 TeV data. Gaussian-shaped contributions to the mass distribution are also excluded if the effective cross-section exceeds values ranging from approximately 50–300 fb for masses below 2 TeV to 2–20 fb for masses above 4 TeV. DA - 2016 DB - OpenUCT DP - University of Cape Town IS - C J1 - Physics Letters, B LK - https://open.uct.ac.za PY - 2016 SM - 0370-2693 SM - 1873-2445 T1 - Search for new phenomena in dijet mass and angular distributions from pp collisions at √s = 13 TeV with the ATLAS detector TI - Search for new phenomena in dijet mass and angular distributions from pp collisions at √s = 13 TeV with the ATLAS detector UR - http://hdl.handle.net/11427/34696 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/34696
dc.identifier.vancouvercitationAad G, Abbott B, Abdallah J, Abdinov O, Abeloos B, Aben R, et al. Search for new phenomena in dijet mass and angular distributions from pp collisions at √s = 13 TeV with the ATLAS detector. Physics Letters, B. 2016;754(C):302 - 322. http://hdl.handle.net/11427/34696.en_ZA
dc.language.isoeng
dc.publisher.departmentDepartment of Physics
dc.publisher.facultyFaculty of Science
dc.sourcePhysics Letters, B
dc.source.journalissueC
dc.source.journalvolume754
dc.source.pagination302 - 322
dc.source.urihttps://dx.doi.org/10.1016/j.physletb.2016.01.032
dc.subject.otherSubatomic Physics
dc.subject.othernew physics
dc.subject.otherATLAS
dc.subject.otherrapidity [jet]
dc.subject.othermass [Z']
dc.subject.otherQC
dc.subject.otherthreshold [mass]
dc.subject.otherdijet mass
dc.subject.otherangular distributions
dc.subject.otherpp collisions
dc.subject.otherATLAS detector
dc.subject.othermass [resonance]
dc.subject.otherHigh Energy Physics - Experiment
dc.subject.otherDijet mass
dc.subject.otherSubatomär fysik
dc.subject.otherPhysik
dc.subject.otherperturbation theory [quantum chromodynamics]
dc.subject.otherrapidity
dc.subject.otherconstructive
dc.subject.other13000 GeV-cms
dc.subject.otherbenchmark
dc.subject.other(dijet) [mass spectrum]
dc.subject.othercontact interaction
dc.subject.othermass [W']
dc.subject.otherFísica
dc.subject.otherScience &
dc.subject.otherTechnology
dc.subject.othermass spectrum
dc.subject.otherhadroproduction [dijet]
dc.subject.otherinterference
dc.subject.otherscattering [p p]
dc.subject.otherParticle Physics - Experime
dc.titleSearch for new phenomena in dijet mass and angular distributions from pp collisions at √s = 13 TeV with the ATLAS detector
dc.typeJournal Article
uct.type.publicationResearch
uct.type.resourceJournal Article
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