Search for pair production of gluinos decaying via stop and sbottom in events with b -jets and large missing transverse momentum in pp collisions at s =13 TeV with the ATLAS detector

G. Aad, B. Abbott, J. Abdallah, O. Abdinov, B. Abeloos, R. Aben, O. S. Abouzeid, N. L. Abraham, H. Abramowicz, H. Abreu, R. Abreu, Y. Abulaiti, B. S. Acharya, L. Adamczyk, D. L. Adams, J. Adelman, S. Adomeit, T. Adye, A. A. Affolder, T. Agatonovic-Jovin & 31 others J. Agricola, J. A. Aguilar-Saavedra, S. P. Ahlen, F. Ahmadov, G. Aielli, H. Akerstedt, T. P A Åkesson, A. V. Akimov, G. L. Alberghi, J. Albert, S. Albrand, M. J. Alconada Verzini, M. Aleksa, I. N. Aleksandrov, C. Alexa, G. Alexander, T. Alexopoulos, M. Alhroob, M. Aliev, G. Alimonti, J. Alison, S. P. Alkire, B. M M Allbrooke, B. W. Allen, P. P. Allport, A. Aloisio, K. Cranmer, A. Haas, A. I. Mincer, P. Nemethy, ATLAS Collaboration

    Research output: Contribution to journalArticle

    Abstract

    A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino (χ10) is reported. It uses an LHC proton-proton data set at a center-of-mass energy s=13 TeV with an integrated luminosity of 3.2 fb-1 collected with the ATLAS detector in 2015. The signal is searched for in events containing several energetic jets, of which at least three must be identified as b jets, large missing transverse momentum, and, potentially, isolated electrons or muons. Large-radius jets with a high mass are also used to identify highly boosted top quarks. No excess is found above the predicted background. For χ10 masses below approximately 700 GeV, gluino masses of less than 1.78 TeV and 1.76 TeV are excluded at the 95% C.L. in simplified models of the pair production of gluinos decaying via sbottom and stop, respectively. These results significantly extend the exclusion limits obtained with the s=8 TeV data set.

    Original languageEnglish (US)
    Article number032003
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume94
    Issue number3
    DOIs
    StatePublished - Aug 9 2016

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    pair production
    transverse momentum
    collisions
    detectors
    protons
    exclusion
    supersymmetry
    center of mass
    muons
    luminosity
    quarks
    radii
    electrons
    energy

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Search for pair production of gluinos decaying via stop and sbottom in events with b -jets and large missing transverse momentum in pp collisions at s =13 TeV with the ATLAS detector. / Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Abeloos, B.; Aben, R.; Abouzeid, O. S.; Abraham, N. L.; Abramowicz, H.; Abreu, H.; Abreu, R.; Abulaiti, Y.; Acharya, B. S.; Adamczyk, L.; Adams, D. L.; Adelman, J.; Adomeit, S.; Adye, T.; Affolder, A. A.; Agatonovic-Jovin, T.; Agricola, J.; Aguilar-Saavedra, J. A.; Ahlen, S. P.; Ahmadov, F.; Aielli, G.; Akerstedt, H.; Åkesson, T. P A; Akimov, A. V.; Alberghi, G. L.; Albert, J.; Albrand, S.; Alconada Verzini, M. J.; Aleksa, M.; Aleksandrov, I. N.; Alexa, C.; Alexander, G.; Alexopoulos, T.; Alhroob, M.; Aliev, M.; Alimonti, G.; Alison, J.; Alkire, S. P.; Allbrooke, B. M M; Allen, B. W.; Allport, P. P.; Aloisio, A.; Cranmer, K.; Haas, A.; Mincer, A. I.; Nemethy, P.; ATLAS Collaboration.

    In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 94, No. 3, 032003, 09.08.2016.

    Research output: Contribution to journalArticle

    Aad, G, Abbott, B, Abdallah, J, Abdinov, O, Abeloos, B, Aben, R, Abouzeid, OS, Abraham, NL, Abramowicz, H, Abreu, H, Abreu, R, Abulaiti, Y, Acharya, BS, Adamczyk, L, Adams, DL, Adelman, J, Adomeit, S, Adye, T, Affolder, AA, Agatonovic-Jovin, T, Agricola, J, Aguilar-Saavedra, JA, Ahlen, SP, Ahmadov, F, Aielli, G, Akerstedt, H, Åkesson, TPA, Akimov, AV, Alberghi, GL, Albert, J, Albrand, S, Alconada Verzini, MJ, Aleksa, M, Aleksandrov, IN, Alexa, C, Alexander, G, Alexopoulos, T, Alhroob, M, Aliev, M, Alimonti, G, Alison, J, Alkire, SP, Allbrooke, BMM, Allen, BW, Allport, PP, Aloisio, A, Cranmer, K, Haas, A, Mincer, AI, Nemethy, P & ATLAS Collaboration 2016, 'Search for pair production of gluinos decaying via stop and sbottom in events with b -jets and large missing transverse momentum in pp collisions at s =13 TeV with the ATLAS detector', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 94, no. 3, 032003. https://doi.org/10.1103/PhysRevD.94.032003
    Aad, G. ; Abbott, B. ; Abdallah, J. ; Abdinov, O. ; Abeloos, B. ; Aben, R. ; Abouzeid, O. S. ; Abraham, N. L. ; Abramowicz, H. ; Abreu, H. ; Abreu, R. ; Abulaiti, Y. ; Acharya, B. S. ; Adamczyk, L. ; Adams, D. L. ; Adelman, J. ; Adomeit, S. ; Adye, T. ; Affolder, A. A. ; Agatonovic-Jovin, T. ; Agricola, J. ; Aguilar-Saavedra, J. A. ; Ahlen, S. P. ; Ahmadov, F. ; Aielli, G. ; Akerstedt, H. ; Åkesson, T. P A ; Akimov, A. V. ; Alberghi, G. L. ; Albert, J. ; Albrand, S. ; Alconada Verzini, M. J. ; Aleksa, M. ; Aleksandrov, I. N. ; Alexa, C. ; Alexander, G. ; Alexopoulos, T. ; Alhroob, M. ; Aliev, M. ; Alimonti, G. ; Alison, J. ; Alkire, S. P. ; Allbrooke, B. M M ; Allen, B. W. ; Allport, P. P. ; Aloisio, A. ; Cranmer, K. ; Haas, A. ; Mincer, A. I. ; Nemethy, P. ; ATLAS Collaboration. / Search for pair production of gluinos decaying via stop and sbottom in events with b -jets and large missing transverse momentum in pp collisions at s =13 TeV with the ATLAS detector. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2016 ; Vol. 94, No. 3.
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    abstract = "A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino (χ10) is reported. It uses an LHC proton-proton data set at a center-of-mass energy s=13 TeV with an integrated luminosity of 3.2 fb-1 collected with the ATLAS detector in 2015. The signal is searched for in events containing several energetic jets, of which at least three must be identified as b jets, large missing transverse momentum, and, potentially, isolated electrons or muons. Large-radius jets with a high mass are also used to identify highly boosted top quarks. No excess is found above the predicted background. For χ10 masses below approximately 700 GeV, gluino masses of less than 1.78 TeV and 1.76 TeV are excluded at the 95{\%} C.L. in simplified models of the pair production of gluinos decaying via sbottom and stop, respectively. These results significantly extend the exclusion limits obtained with the s=8 TeV data set.",
    author = "G. Aad and B. Abbott and J. Abdallah and O. Abdinov and B. Abeloos and R. Aben and Abouzeid, {O. S.} and Abraham, {N. L.} 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 M. Aliev and G. Alimonti and J. Alison and Alkire, {S. P.} and Allbrooke, {B. M M} and Allen, {B. W.} and Allport, {P. P.} and A. Aloisio and K. Cranmer and A. Haas and Mincer, {A. I.} and P. Nemethy and {ATLAS Collaboration}",
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    T1 - Search for pair production of gluinos decaying via stop and sbottom in events with b -jets and large missing transverse momentum in pp collisions at s =13 TeV with the ATLAS detector

    AU - Aad, G.

    AU - Abbott, B.

    AU - Abdallah, J.

    AU - Abdinov, O.

    AU - Abeloos, B.

    AU - Aben, R.

    AU - Abouzeid, O. S.

    AU - Abraham, N. L.

    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 - Aliev, M.

    AU - Alimonti, G.

    AU - Alison, J.

    AU - Alkire, S. P.

    AU - Allbrooke, B. M M

    AU - Allen, B. W.

    AU - Allport, P. P.

    AU - Aloisio, A.

    AU - Cranmer, K.

    AU - Haas, A.

    AU - Mincer, A. I.

    AU - Nemethy, P.

    AU - ATLAS Collaboration

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    N2 - A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino (χ10) is reported. It uses an LHC proton-proton data set at a center-of-mass energy s=13 TeV with an integrated luminosity of 3.2 fb-1 collected with the ATLAS detector in 2015. The signal is searched for in events containing several energetic jets, of which at least three must be identified as b jets, large missing transverse momentum, and, potentially, isolated electrons or muons. Large-radius jets with a high mass are also used to identify highly boosted top quarks. No excess is found above the predicted background. For χ10 masses below approximately 700 GeV, gluino masses of less than 1.78 TeV and 1.76 TeV are excluded at the 95% C.L. in simplified models of the pair production of gluinos decaying via sbottom and stop, respectively. These results significantly extend the exclusion limits obtained with the s=8 TeV data set.

    AB - A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino (χ10) is reported. It uses an LHC proton-proton data set at a center-of-mass energy s=13 TeV with an integrated luminosity of 3.2 fb-1 collected with the ATLAS detector in 2015. The signal is searched for in events containing several energetic jets, of which at least three must be identified as b jets, large missing transverse momentum, and, potentially, isolated electrons or muons. Large-radius jets with a high mass are also used to identify highly boosted top quarks. No excess is found above the predicted background. For χ10 masses below approximately 700 GeV, gluino masses of less than 1.78 TeV and 1.76 TeV are excluded at the 95% C.L. in simplified models of the pair production of gluinos decaying via sbottom and stop, respectively. These results significantly extend the exclusion limits obtained with the s=8 TeV data set.

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    DO - 10.1103/PhysRevD.94.032003

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