Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector

被引：0

作者：

M. Aaboud

G. Aad

B. Abbott

O. Abdinov

B. Abeloos

S. H. Abidi

O. S. AbouZeid

N. L. Abraham

H. Abramowicz

H. Abreu

R. Abreu

Y. Abulaiti

B. S. Acharya

S. Adachi

L. Adamczyk

J. Adelman

M. Adersberger

T. Adye

A. A. Affolder

Y. Afik

T. Agatonovic-Jovin

C. Agheorghiesei

J. A. Aguilar-Saavedra

S. P. Ahlen

F. Ahmadov

G. Aielli

S. Akatsuka

H. Akerstedt

T. P. A. Åkesson

E. Akilli

A. V. Akimov

G. L. Alberghi

J. Albert

P. Albicocco

M. J. Alconada Verzini

S. C. Alderweireldt

M. Aleksa

I. N. Aleksandrov

C. Alexa

G. Alexander

T. Alexopoulos

M. Alhroob

B. Ali

M. Aliev

G. Alimonti

J. Alison

S. P. Alkire

B. M. M. Allbrooke

B. W. Allen

P. P. Allport

机构：

[1] University of Adelaide,Department of Physics

[2] SUNY Albany,Physics Department

[3] University of Alberta,Department of Physics

[4] Ankara University,Department of Physics

[5] Istanbul Aydin University,Division of Physics

[6] TOBB University of Economics and Technology,High Energy Physics Division

[7] LAPP,Department of Physics

[8] CNRS/IN2P3 and Université Savoie Mont Blanc,Department of Physics

[9] Argonne National Laboratory,Physics Department

[10] University of Arizona,Physics Department

[11] The University of Texas at Arlington,Department of Physics

[12] National and Kapodistrian University of Athens,Institute of Physics

[13] National Technical University of Athens,Institut de Física d’Altes Energies (IFAE)

[14] The University of Texas at Austin,Institute of Physics

[15] Azerbaijan Academy of Sciences,Department for Physics and Technology

[16] The Barcelona Institute of Science and Technology,Physics Division

[17] University of Belgrade,Department of Physics

[18] University of Bergen,Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics

[19] Lawrence Berkeley National Laboratory and University of California,School of Physics and Astronomy

[20] Humboldt University,Department of Physics

[21] University of Bern,Department of Physics Engineering

[22] University of Birmingham,Centro de Investigaciones

[23] Bogazici University,Dipartimento di Fisica e Astronomia

[24] Gaziantep University,Physikalisches Institut

[25] Istanbul Bilgi University,Department of Physics

[26] Faculty of Engineering and Natural Sciences,Department of Physics

[27] Bahcesehir University,Electrical Circuits Department

[28] Faculty of Engineering and Natural Sciences,Instituto de Fisica

[29] Universidad Antonio Narino,Physics Department

[30] INFN Sezione di Bologna,Department of Physics

[31] Università di Bologna,Departamento de Física

[32] University of Bonn,Cavendish Laboratory

[33] Boston University,Department of Physics

[34] Brandeis University,Enrico Fermi Institute

[35] Universidade Federal do Rio De Janeiro COPPE/EE/IF,Departamento de Física

[36] Federal University of Juiz de Fora (UFJF),Departamento de Física

[37] Federal University of Sao Joao del Rei (UFSJ),Institute of High Energy Physics

[38] Universidade de Sao Paulo,Department of Physics

[39] Brookhaven National Laboratory,Physics Department

[40] Transilvania University of Brasov,Department of Modern Physics and State Key Laboratory of Particle Detection and Electronics

[41] Horia Hulubei National Institute of Physics and Nuclear Engineering,School of Physics

[42] Alexandru Ioan Cuza University of Iasi,School of Physics and Astronomy, Key Laboratory for Particle Physics, Astrophysics and Cosmology, Ministry of Education; Shanghai Key Laboratory for Particle Physics and Cosmology, Tsung

[43] National Institute for Research and Development of Isotopic and Molecular Technologies,Dao Lee Institute

[44] Physics Department,Nevis Laboratory

[45] University Politehnica Bucharest,Niels Bohr Institute

[46] West University in Timisoara,Dipartimento di Fisica

[47] Universidad de Buenos Aires,Marian Smoluchowski Institute of Physics

[48] University of Cambridge,Physics Department

[49] Carleton University,Physics Department

[50] CERN,Department of Physics

来源：

Journal of High Energy Physics | / 2018卷

关键词：

Hadron-Hadron scattering (experiments); Higgs physics;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A search for the exclusive decays of the Higgs and Z bosons to a ϕ or ρ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of up to 35.6 fb−1 collected at s=13\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \sqrt{s}=13 $$\end{document} TeV with the ATLAS detector at the CERN Large Hadron Collider. These decays have been suggested as a probe of the Higgs boson couplings to light quarks. No significant excess of events is observed above the background, as expected from the Standard Model. Upper limits at 95% confidence level were obtained on the branching fractions of the Higgs boson decays to ϕγ and ργ of 4.8 × 10−4 and 8.8 × 10−4, respectively. The corresponding 95% confidence level upper limits for the Z boson decays are 0.9 × 10−6 and 25 × 10−6 for ϕγ and ργ, respectively. [graphic not available: see fulltext]

引用

共 50 条

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Aaboud, M.
Aad, G.
Abbott, B.
Abdinov, O.
Abeloos, B.
Abidi, S. H.
AbouZeid, O. S.
Abraham, N. L.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B. S.
Adachi, S.
Adamczyk, L.
Adelman, J.
Adersberger, M.
Adye, T.
Affolder, A. A.
Afik, Y.
Agatonovic-Jovin, T.
Agheorghiesei, C.
Aguilar-Saavedra, J. A.
Ahlen, S. P.
Ahmadov, F.
Aielli, G.
Akatsuka, S.
Akerstedt, H.
Akesson, T. P. A.
Akilli, E.
Akimov, A., V
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Albert, J.
Albicocco, P.
Alconada Verzini, M. J.
Alderweireldt, S. C.
Aleksa, M.
Aleksandrov, I. N.
Alexa, C.
Alexander, G.
Alexopoulos, T.
Alhroob, M.
Ali, B.
Aliev, M.
Alimonti, G.
Alison, J.
Alkire, S. P.
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B. Abbott
O. Abdinov
B. Abeloos
S. H. Abidi
O. S. AbouZeid
N. L. Abraham
H. Abramowicz
H. Abreu
R. Abreu
Y. Abulaiti
B. S. Acharya
S. Adachi
L. Adamczyk
J. Adelman
M. Adersberger
T. Adye
A. A. Affolder
Y. Afik
T. Agatonovic-Jovin
C. Agheorghiesei
J. A. Aguilar-Saavedra
S. P. Ahlen
F. Ahmadov
G. Aielli
S. Akatsuka
H. Akerstedt
T. P. A. Åkesson
E. Akilli
A. V. Akimov
G. L. Alberghi
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M. J. Alconada Verzini
S. C. Alderweireldt
M. Aleksa
I. N. Aleksandrov
C. Alexa
G. Alexander
T. Alexopoulos
M. Alhroob
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