Search for direct pair production of a chargino and a neutralino decaying to the 125 GeV Higgs boson ins = 8 TeV pp collisions with the ATLAS detector

ATLAS Collaboration, T. Iizawa

    研究成果: Article

    39 引用 (Scopus)

    抄録

    A search is presented for the direct pair production of a chargino and a neutralino pp → ˜χ 1 ± ˜χ2 0, where the chargino decays to the lightest neutralino and the W boson, ˜χ 1 ± → ˜χ 1 0(W± → ℓ± ν), while the neutralino decays to the lightest neutralino and the 125 GeV Higgs boson, ˜χ 2 0 → ˜χ1 0(h → bb/γ γ /ℓ± νqq). The final states considered for the search have large missing transverse momentum, an isolated electron or muon, and one of the following: either two jets identified as originating from bottom quarks, or two photons, or a second electron or muon with the same electric charge. The analysis is based on 20.3 fb−1 of √s = 8 TeV proton–proton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with the Standard Model expectations, and limits are set in the context of a simplified supersymmetric model.

    元の言語English
    記事番号298
    ジャーナルEuropean Physical Journal C
    75
    発行部数5
    DOI
    出版物ステータスPublished - 2015 5 1

    Fingerprint

    Bosons
    pair production
    Higgs bosons
    muons
    Detectors
    Electric charge
    collisions
    Electrons
    detectors
    Colliding beam accelerators
    decay
    electric charge
    transverse momentum
    Momentum
    electrons
    bosons
    Photons
    quarks
    photons

    ASJC Scopus subject areas

    • Engineering (miscellaneous)
    • Physics and Astronomy (miscellaneous)

    これを引用

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    title = "Search for direct pair production of a chargino and a neutralino decaying to the 125 GeV Higgs boson in√s = 8 TeV pp collisions with the ATLAS detector",
    abstract = "A search is presented for the direct pair production of a chargino and a neutralino pp → ˜χ 1 ± ˜χ2 0, where the chargino decays to the lightest neutralino and the W boson, ˜χ 1 ± → ˜χ 1 0(W± → ℓ± ν), while the neutralino decays to the lightest neutralino and the 125 GeV Higgs boson, ˜χ 2 0 → ˜χ1 0(h → bb/γ γ /ℓ± νqq). The final states considered for the search have large missing transverse momentum, an isolated electron or muon, and one of the following: either two jets identified as originating from bottom quarks, or two photons, or a second electron or muon with the same electric charge. The analysis is based on 20.3 fb−1 of √s = 8 TeV proton–proton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with the Standard Model expectations, and limits are set in the context of a simplified supersymmetric model.",
    author = "{ATLAS Collaboration} and G. Aad and B. Abbott and J. Abdallah and {Abdel Khalek}, S. and O. Abdinov and R. Aben and B. Abi 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 T. Agatonovic-Jovin and Aguilar-Saavedra, {J. A.} and M. Agustoni and Ahlen, {S. P.} and F. Ahmadov and G. Aielli and H. Akerstedt and {\AA}kesson, {T. P A} and G. Akimoto 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 G. Alexandre and T. Alexopoulos and M. Alhroob and G. Alimonti and L. Alio and J. Alison and Allbrooke, {B. M M} and Allison, {L. J.} and Allport, {P. P.} and A. Aloisio and T. Iizawa and Takashi Mitani and Kohei Yorita",
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    T1 - Search for direct pair production of a chargino and a neutralino decaying to the 125 GeV Higgs boson in√s = 8 TeV pp collisions with the ATLAS detector

    AU - ATLAS Collaboration

    AU - Aad, G.

    AU - Abbott, B.

    AU - Abdallah, J.

    AU - Abdel Khalek, S.

    AU - Abdinov, O.

    AU - Aben, R.

    AU - Abi, B.

    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 - Agatonovic-Jovin, T.

    AU - Aguilar-Saavedra, J. A.

    AU - Agustoni, M.

    AU - Ahlen, S. P.

    AU - Ahmadov, F.

    AU - Aielli, G.

    AU - Akerstedt, H.

    AU - Åkesson, T. P A

    AU - Akimoto, G.

    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 - Alexandre, G.

    AU - Alexopoulos, T.

    AU - Alhroob, M.

    AU - Alimonti, G.

    AU - Alio, L.

    AU - Alison, J.

    AU - Allbrooke, B. M M

    AU - Allison, L. J.

    AU - Allport, P. P.

    AU - Aloisio, A.

    AU - Iizawa, T.

    AU - Mitani, Takashi

    AU - Yorita, Kohei

    PY - 2015/5/1

    Y1 - 2015/5/1

    N2 - A search is presented for the direct pair production of a chargino and a neutralino pp → ˜χ 1 ± ˜χ2 0, where the chargino decays to the lightest neutralino and the W boson, ˜χ 1 ± → ˜χ 1 0(W± → ℓ± ν), while the neutralino decays to the lightest neutralino and the 125 GeV Higgs boson, ˜χ 2 0 → ˜χ1 0(h → bb/γ γ /ℓ± νqq). The final states considered for the search have large missing transverse momentum, an isolated electron or muon, and one of the following: either two jets identified as originating from bottom quarks, or two photons, or a second electron or muon with the same electric charge. The analysis is based on 20.3 fb−1 of √s = 8 TeV proton–proton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with the Standard Model expectations, and limits are set in the context of a simplified supersymmetric model.

    AB - A search is presented for the direct pair production of a chargino and a neutralino pp → ˜χ 1 ± ˜χ2 0, where the chargino decays to the lightest neutralino and the W boson, ˜χ 1 ± → ˜χ 1 0(W± → ℓ± ν), while the neutralino decays to the lightest neutralino and the 125 GeV Higgs boson, ˜χ 2 0 → ˜χ1 0(h → bb/γ γ /ℓ± νqq). The final states considered for the search have large missing transverse momentum, an isolated electron or muon, and one of the following: either two jets identified as originating from bottom quarks, or two photons, or a second electron or muon with the same electric charge. The analysis is based on 20.3 fb−1 of √s = 8 TeV proton–proton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with the Standard Model expectations, and limits are set in the context of a simplified supersymmetric model.

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    U2 - 10.1140/epjc/s10052-015-3408-7

    DO - 10.1140/epjc/s10052-015-3408-7

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    VL - 75

    JO - European Physical Journal C

    JF - European Physical Journal C

    SN - 1434-6044

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