ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at √s = 7 TeV

G. Aad, T. Abajyan, B. Abbott, J. Abdallah, S. Abdel Khalek, A. A. Abdelalim, O. Abdinov, R. Aben, B. Abi, M. Abolins, O. S. Abouzeid, H. Abramowicz, H. Abreu, B. S. Acharya, L. Adamczyk, D. L. Adams, T. N. Addy, J. Adelman, S. Adomeit, P. Adragna & 31 others T. Adye, S. Aefsky, J. A. Aguilar-Saavedra, M. Agustoni, M. Aharrouche, S. P. Ahlen, F. Ahles, A. Ahmad, M. Ahsan, G. Aielli, T. P A Åkesson, G. Akimoto, A. V. Akimov, M. S. Alam, M. A. Alam, J. Albert, S. Albrand, M. Aleksa, I. N. Aleksandrov, F. Alessandria, C. Alexa, G. Alexander, G. Alexandre, T. Alexopoulos, M. Alhroob, V. Büscher, F. Crescioli, S. Haas, B. Mindur, A. A. Nepomuceno, The ATLAS collaboration

    Research output: Contribution to journalArticle

    Abstract

    Mass and angular distributions of dijets produced in LHC proton-proton collisions at a centre-of-mass energy √s = 7TeV have been studied with the ATLAS detector using the full 2011 data set with an integrated luminosity of 4.8 fb-1. Dijet masses up to ~ 4.0TeV have been probed. No resonance-like features have been observed in the dijet mass spectrum, and all angular distributions are consistent with the predictions of QCD. Exclusion limits on six hypotheses of new phenomena have been set at 95% CL in terms of mass or energy scale, as appropriate. These hypotheses include excited quarks below 2.83 TeV, colour octet scalars below 1.86TeV, heavy W bosons below 1.68 TeV, string resonances below 3.61 TeV, quantum black holes with six extra space-time dimensions for quantum gravity scales below 4.11 TeV, and quark contact interactions below a compositeness scale of 7.6 TeV in a destructive interference scenario.

    Original languageEnglish (US)
    Article number029
    JournalJournal of High Energy Physics
    Volume2013
    DOIs
    StatePublished - 2013

    Fingerprint

    mass distribution
    angular distribution
    collisions
    quarks
    protons
    octets
    exclusion
    mass spectra
    center of mass
    electric contacts
    strings
    bosons
    quantum chromodynamics
    luminosity
    gravitation
    scalars
    interference
    color
    energy
    detectors

    Keywords

    • Hadron-Hadron scattering

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdelalim, A. A., ... The ATLAS collaboration (2013). ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at √s = 7 TeV. Journal of High Energy Physics, 2013, [029]. https://doi.org/10.1007/JHEP01(2013)029

    ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at √s = 7 TeV. / Aad, G.; Abajyan, T.; Abbott, B.; Abdallah, J.; Abdel Khalek, S.; Abdelalim, A. A.; Abdinov, O.; Aben, R.; Abi, B.; Abolins, M.; Abouzeid, O. S.; Abramowicz, H.; Abreu, H.; Acharya, B. S.; Adamczyk, L.; Adams, D. L.; Addy, T. N.; Adelman, J.; Adomeit, S.; Adragna, P.; Adye, T.; Aefsky, S.; Aguilar-Saavedra, J. A.; Agustoni, M.; Aharrouche, M.; Ahlen, S. P.; Ahles, F.; Ahmad, A.; Ahsan, M.; Aielli, G.; Åkesson, T. P A; Akimoto, G.; Akimov, A. V.; Alam, M. S.; Alam, M. A.; Albert, J.; Albrand, S.; Aleksa, M.; Aleksandrov, I. N.; Alessandria, F.; Alexa, C.; Alexander, G.; Alexandre, G.; Alexopoulos, T.; Alhroob, M.; Büscher, V.; Crescioli, F.; Haas, S.; Mindur, B.; Nepomuceno, A. A.; The ATLAS collaboration.

    In: Journal of High Energy Physics, Vol. 2013, 029, 2013.

    Research output: Contribution to journalArticle

    Aad, G, Abajyan, T, Abbott, B, Abdallah, J, Abdel Khalek, S, Abdelalim, AA, Abdinov, O, Aben, R, Abi, B, Abolins, M, Abouzeid, OS, Abramowicz, H, Abreu, H, Acharya, BS, Adamczyk, L, Adams, DL, Addy, TN, Adelman, J, Adomeit, S, Adragna, P, Adye, T, Aefsky, S, Aguilar-Saavedra, JA, Agustoni, M, Aharrouche, M, Ahlen, SP, Ahles, F, Ahmad, A, Ahsan, M, Aielli, G, Åkesson, TPA, Akimoto, G, Akimov, AV, Alam, MS, Alam, MA, Albert, J, Albrand, S, Aleksa, M, Aleksandrov, IN, Alessandria, F, Alexa, C, Alexander, G, Alexandre, G, Alexopoulos, T, Alhroob, M, Büscher, V, Crescioli, F, Haas, S, Mindur, B, Nepomuceno, AA & The ATLAS collaboration 2013, 'ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at √s = 7 TeV', Journal of High Energy Physics, vol. 2013, 029. https://doi.org/10.1007/JHEP01(2013)029
    Aad, G. ; Abajyan, T. ; Abbott, B. ; Abdallah, J. ; Abdel Khalek, S. ; Abdelalim, A. A. ; Abdinov, O. ; Aben, R. ; Abi, B. ; Abolins, M. ; Abouzeid, O. S. ; Abramowicz, H. ; Abreu, H. ; Acharya, B. S. ; Adamczyk, L. ; Adams, D. L. ; Addy, T. N. ; Adelman, J. ; Adomeit, S. ; Adragna, P. ; Adye, T. ; Aefsky, S. ; Aguilar-Saavedra, J. A. ; Agustoni, M. ; Aharrouche, M. ; Ahlen, S. P. ; Ahles, F. ; Ahmad, A. ; Ahsan, M. ; Aielli, G. ; Åkesson, T. P A ; Akimoto, G. ; Akimov, A. V. ; Alam, M. S. ; Alam, M. A. ; Albert, J. ; Albrand, S. ; Aleksa, M. ; Aleksandrov, I. N. ; Alessandria, F. ; Alexa, C. ; Alexander, G. ; Alexandre, G. ; Alexopoulos, T. ; Alhroob, M. ; Büscher, V. ; Crescioli, F. ; Haas, S. ; Mindur, B. ; Nepomuceno, A. A. ; The ATLAS collaboration. / ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at √s = 7 TeV. In: Journal of High Energy Physics. 2013 ; Vol. 2013.
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    abstract = "Mass and angular distributions of dijets produced in LHC proton-proton collisions at a centre-of-mass energy √s = 7TeV have been studied with the ATLAS detector using the full 2011 data set with an integrated luminosity of 4.8 fb-1. Dijet masses up to ~ 4.0TeV have been probed. No resonance-like features have been observed in the dijet mass spectrum, and all angular distributions are consistent with the predictions of QCD. Exclusion limits on six hypotheses of new phenomena have been set at 95{\%} CL in terms of mass or energy scale, as appropriate. These hypotheses include excited quarks below 2.83 TeV, colour octet scalars below 1.86TeV, heavy W bosons below 1.68 TeV, string resonances below 3.61 TeV, quantum black holes with six extra space-time dimensions for quantum gravity scales below 4.11 TeV, and quark contact interactions below a compositeness scale of 7.6 TeV in a destructive interference scenario.",
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    AU - Abajyan, T.

    AU - Abbott, B.

    AU - Abdallah, J.

    AU - Abdel Khalek, S.

    AU - Abdelalim, A. A.

    AU - Abdinov, O.

    AU - Aben, R.

    AU - Abi, B.

    AU - Abolins, M.

    AU - Abouzeid, O. S.

    AU - Abramowicz, H.

    AU - Abreu, H.

    AU - Acharya, B. S.

    AU - Adamczyk, L.

    AU - Adams, D. L.

    AU - Addy, T. N.

    AU - Adelman, J.

    AU - Adomeit, S.

    AU - Adragna, P.

    AU - Adye, T.

    AU - Aefsky, S.

    AU - Aguilar-Saavedra, J. A.

    AU - Agustoni, M.

    AU - Aharrouche, M.

    AU - Ahlen, S. P.

    AU - Ahles, F.

    AU - Ahmad, A.

    AU - Ahsan, M.

    AU - Aielli, G.

    AU - Åkesson, T. P A

    AU - Akimoto, G.

    AU - Akimov, A. V.

    AU - Alam, M. S.

    AU - Alam, M. A.

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    AU - Alexandre, G.

    AU - Alexopoulos, T.

    AU - Alhroob, M.

    AU - Büscher, V.

    AU - Crescioli, F.

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    AB - Mass and angular distributions of dijets produced in LHC proton-proton collisions at a centre-of-mass energy √s = 7TeV have been studied with the ATLAS detector using the full 2011 data set with an integrated luminosity of 4.8 fb-1. Dijet masses up to ~ 4.0TeV have been probed. No resonance-like features have been observed in the dijet mass spectrum, and all angular distributions are consistent with the predictions of QCD. Exclusion limits on six hypotheses of new phenomena have been set at 95% CL in terms of mass or energy scale, as appropriate. These hypotheses include excited quarks below 2.83 TeV, colour octet scalars below 1.86TeV, heavy W bosons below 1.68 TeV, string resonances below 3.61 TeV, quantum black holes with six extra space-time dimensions for quantum gravity scales below 4.11 TeV, and quark contact interactions below a compositeness scale of 7.6 TeV in a destructive interference scenario.

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