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

ATLAS Collaboration

doi:10.1016/j.physletb.2016.01.032

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

ATLAS Collaboration

Aix-Marseille Université
University of Oklahoma
Academia Sinica, Institute Of Physics
Azerbaijan Academy of Sciences
Laboratoire de l'Accélérateur Linéaire
University of Amsterdam
Michigan State University
University of Toronto
Tel Aviv University
Technion - Israel Institute of Technology
University of Oregon
Stockholm University
Oskar Klein Centre
INFN Sezione di Trieste
Abdus Salam International Centre for Theoretical Physics
King's College London
Agh University of Science and Technology Faculty of Computer Science
Brookhaven National Laboratory
Northern Illinois University
Universität München
Rutherford Appleton Laboratory
University of Liverpool
University of Belgrade
Georg-August-Universität Göttingen
LIP - Lisboa
University of Granada
Boston University
Joint Institute for Nuclear Research, Dubna
INFN Roma Tor Vergata
University of Rome “Tor Vergata”
Lund University
P.N. Lebedev Physical Institute of the Russian Academy of Sciences
INFN Sezione di Bologna
University of Bologna
University of Victoria
LTHE (UMR 5564 CNRS/IRD/Université de Grenoble)
Instituto de Física La Plata
European Organization for Nuclear Research
Horia Hulubei National Institute of Physics and Nuclear Engineering
National Technical University of Athens
Sezione INFN di Milano
University of Chicago
Columbia University
University of Sussex
University of Birmingham
INFN Sezione di Napoli
University of Naples Federico II
Niels Bohr Institutet
University of Cambridge
Université Savoie Mont Blanc
University of Washington
University of Valencia
University of California, Berkeley
High Energy Accelerator Research Organization (KEK)
Instituto de Biofisica da UFRJ
Brandeis University
University of Michigan, Ann Arbor
University of Coimbra
Faculdade de Ciências, Universidade de Lisboa
The University of Sheffield
University of Geneva
University of Heidelberg
University of Milano
University of Athens
Technical University Dresden
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
Novosibirsk State University
The Barcelona Institute of Science and Technology
Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
University of Pisa
LNF-INFN
National Research Nuclear University MEPhI
Institute of Experimental Physics Slovak Academy of Sciences
Sezione di Roma
Duke University
Universite de Montreal
University of Iowa
Bogazici University
Queen Mary University of London
University of Freiburg
University Bonn
Institute for Theoretical and Experimental Physics
University of Oxford
Johannes Gutenberg University
University of Tokyo
c/o DESY
Comenius University
University of Illinois
Universität Siegen
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TRIUMF
Universite Paris-Saclay
Sezione di Lecce
University of Salento
University of Rome
Institute of High Energy Physics, Chinese Academy of Sciences
Yale University
Charles University
Stony Brook University
University of Manchester
University of Pennsylvania School of Arts and Sciences
Institute for Nuclear Physics
University of Wisconsin-Madison
University of Louisville
Bergische Universität Gesamthochschule Wuppertal
University of Melbourne
Sezione di Genova
University of Genoa
Max-Planck-Institut für Physik
Stanford Linear Accelerator Center
Universidad Autónoma de Madrid
Lancaster University
Kurchatov Institute
University of Glasgow
University of California at Santa Cruz
California State University, Fresno
The Ohio State University
Universités Paris VI and VII
Tufts University
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University of Fribourg
University of Warwick
New York University
Bahçeşehir University
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Carleton University
UMass Amherst
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York University
Uppsala University
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University of Pittsburgh
Humboldt-Universität zu Berlin
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Argonne National Laboratory
Pontificia Universidad Católica de Chile
and Physics University of Udine
Kurchatov Institute
The Chinese University of Hong Kong
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Universidad de Buenos Aires
State University of New York Albany
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Weizmann Institute of Science Israel
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University of Alberta
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Shanghai Jiao Tong University
Southern Methodist University
Radboud University
University of São Paulo
Long Beach VA and University of California
University of Cape Town
Ipatimup Diagnósticos
University Roma Tre
Federal University of Juiz de Fora (UFJF)
Istanbul Bilgi University
Tomsk State University
Iowa State University
Nanjing University
Tsinghua University
Kobe University
Faculté des Sciences Rabat
University of Arizona
Indiana University Bloomington
Institute of Physics of the Czech Academy of Sciences
Palacky University Olomouc
University of Ljubljana
Harvard University
University of Johannesburg
INFN Sezione di Pavia
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Università di Napoli Parthenope
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University of British Columbia
Université Mohamed Premier
Tbilisi State University
Federal University of Sao Joao del Rei (UFSJ)
University of São Paulo
Shandong University
Justus-Liebig-Universität Giessen
Cadi Ayyad University
Osaka University
St. Petersburg State Polytechnical University
Nagasaki Institute of Applied Science
University of Science and Technology of China
Centre National de l'Energie des Sciences Techniques Nucleaires
Aristotle University of Thessaloniki
Moscow State University
Centro de Física Nuclear da Universidade de Lisboa
University of New Mexico
Louisiana Tech University
Pompeu Fabra University (UPF)
Yerevan Physics Institute
University of Tsukuba
B. I. Stepanov Institute of Physics
Shinshu University
Tokyo Institute of Technology
Nagoya University
National Centre for Particle and High Energy Physics
University of the Witwatersrand, Johannesburg
National Tsing Hua University
Waseda University
The University of Texas at Austin
Kyoto University
University of Texas
The University of Adelaide
Medical University of Innsbruck
Tbilisi State University
Ilia State University (ISU)
Kyushu University
Georgian Technical University
Ochanomizu University
Manhattan College
Istanbul Aydin University
University of Würzburg
Hellenic Open University
Universidad Antonio Narino
KTH Royal Institute of Technology
Hampton University
Moscow Institute of Physics and Technology
Hiroshima Institute of Technology
Okayama University
Universidade de Minho
Jagiellonian University
International School of Advanced Studies
National Institute for Research and Development of Isotopic and Molecular Technologies
University of South Carolina
Université Paris-Sud
Sun Yat-Sen University
Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
TOBB University of Economics and Technology
Kyoto University of Education
Stanford University
Wigner Research Centre for Physics
Flensburg University of Applied Sciences
University Malaya

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Abstract

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 m_Z^′=1.5 TeV and couplings from g_q=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.

Original language	English
Pages (from-to)	302-322
Number of pages	21
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	754
DOIs	https://doi.org/10.1016/j.physletb.2016.01.032
Publication status	Published - 10 Mar 2016
Externally published	Yes

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10.1016/j.physletb.2016.01.032

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@article{82a61bda7bd34827a11a913f03ef86e0,

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

abstract = "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.",

author = "\{ATLAS Collaboration\} and G. Aad and B. Abbott and J. Abdallah and O. Abdinov and B. Abeloos and R. Aben and M. Abolins and AbouZeid, \{O. S.\} and H. Abramowicz and H. Abreu and R. Abreu and Y. Abulaiti and Acharya, \{B. S.\} and L. Adamczyk and Adams, \{D. L.\} and J. Adelman and S. Adomeit and T. Adye and Affolder, \{A. A.\} and T. Agatonovic-Jovin and J. Agricola and Aguilar-Saavedra, \{J. A.\} and Ahlen, \{S. P.\} and F. Ahmadov and G. Aielli and H. Akerstedt and {\AA}kesson, \{T. P.A.\} and Akimov, \{A. V.\} and Alberghi, \{G. L.\} and J. Albert and S. Albrand and \{Alconada Verzini\}, \{M. J.\} and M. Aleksa and Aleksandrov, \{I. N.\} and C. Alexa and G. Alexander and T. Alexopoulos and M. Alhroob and G. Alimonti and L. Alio and J. Alison and Alkire, \{S. P.\} and Allbrooke, \{B. M.M.\} and Allen, \{B. W.\} and Allport, \{P. P.\} and A. Aloisio and A. Alonso and F. Alonso and T. Mueller and O. Simard",

note = "Publisher Copyright: {\textcopyright} 2016 CERN for the benefit of the ATLAS Collaboration",

year = "2016",

month = mar,

day = "10",

doi = "10.1016/j.physletb.2016.01.032",

language = "English",

volume = "754",

pages = "302--322",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Search for new phenomena in dijet mass and angular distributions from pp collisions at √s=13 TeV with the ATLAS detector

AU - ATLAS Collaboration

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.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alexa, C.

AU - Alexander, G.

AU - Alexopoulos, T.

AU - Alhroob, M.

AU - Alimonti, G.

AU - Alio, L.

AU - Alison, J.

AU - Alkire, S. P.

AU - Allbrooke, B. M.M.

AU - Allen, B. W.

AU - Allport, P. P.

AU - Aloisio, A.

AU - Alonso, A.

AU - Alonso, F.

AU - Mueller, T.

AU - Simard, O.

PY - 2016/3/10

Y1 - 2016/3/10

N2 - 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.

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.

U2 - 10.1016/j.physletb.2016.01.032

DO - 10.1016/j.physletb.2016.01.032

M3 - Article

AN - SCOPUS:85042520250

SN - 0370-2693

VL - 754

SP - 302

EP - 322

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

ER -

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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