Search for the Standard Model Higgs Boson in the Diphoton Decay Channel with 4.9 fb(-1) of pp Collision Data at root s=7 TeV with ATLAS

Aad, G.; Borjanović, Iris; Božović-Jelisavčić, Ivanka; Agatonović-Jovin, Tatjana; Krstić, Jelena; Mamužić, Judita; Mudrinić, Mihajlo; Popovica, D. S.; Sijackia, Dj.; Simica, Lj.; Vranješ, Nenad; Vranješ Milosavljević, Marija; Živković, Lada

doi:10.1103/PhysRevLett.108.111803

2012

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Abstract

A search for the standard model Higgs boson is performed in the diphoton decay channel. The data used correspond to an integrated luminosity of 4.9 fb(-1) collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of root s = 7 TeV. In the diphoton mass range 110-150 GeV, the largest excess with respect to the background-only hypothesis is observed at 126.5 GeV, with a local significance of 2.8 standard deviations. Taking the look-elsewhere effect into account in the range 110-150 GeV, this significance becomes 1.5 standard deviations. The standard model Higgs boson is excluded at 95% confidence level in the mass ranges of 113-115 GeV and 134.5-136 GeV.

Source:
Physical Review Letters, 2012, 108, 11

Funding / projects:

ANPCyT, Argentina, YerPhI, Armenia, ARC, Australia, BMWF, Austria, ANAS, Azerbaijan, SSTC, Belarus, CNPq Brazil, FAPESP, Brazil, NSERC Canada, NRC Canada, CFI, Canada, CERN, CONICYT, Chile, CAS China, MOST China, NSFC, China, COLCIENCIAS, Colombia, MSMT CR Czech Republic, MPO CR Czech Republic, VSC CR, Czech Republic, DNRF Denmark, DNSRC Denmark, Lundbeck Foundation, Denmark, ARTEMIS European Union, ERC, European Union, IN2P3-CNRS France, CEA-DSM/IRFU, France, GNAS, Georgia, BMBF, Germany, GSRT, Greece, ISF Israel, MINERVA Israel, GIF Israel, DIP Israel, Benoziyo Center, Israel, INFN, Italy, MEXT Japan, JSPS, Japan, CNRST, Morocco, FOM Netherlands, NWO, Netherlands, RCN, Norway, MNiSW, Poland, GRICES Portugal, FCT, Portugal, MERYS (MECTS), Romania, MES of Russia, ROSATOM, JINR, MSTD, Serbia, MSSR, Slovakia, ARRS Slovenia, MVZT, Slovenia, DST/NRF, South Africa, MICINN, Spain, SRC Sweden, Wallenberg Foundation, Sweden, SER Switzerland, SNSF Switzerland, Cantons of Bern, Switzerland, NSC, Taiwan, TAEK, Turkey, STFC United Kingdom, Royal Society United Kingdom, Leverhulme Trust, United Kingdom, DOE United States of America, NSF, United States of America, Cantons of Geneva, Switzerland, Russian Federation, ICREA

DOI: 10.1103/PhysRevLett.108.111803

ISSN: 0031-9007; 1079-7114

PubMed: 22540463

WoS: 000301411300006

Scopus: 2-s2.0-84863353772

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TY  - JOUR
AU  - Aad, G.
AU  - Borjanović, Iris
AU  - Božović-Jelisavčić, Ivanka
AU  - Agatonović-Jovin, Tatjana
AU  - Krstić, Jelena
AU  - Mamužić, Judita
AU  - Mudrinić, Mihajlo
AU  - Popovica, D. S.
AU  - Sijackia, Dj.
AU  - Simica, Lj.
AU  - Vranješ, Nenad
AU  - Vranješ Milosavljević, Marija
AU  - Živković, Lada
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4738
AB  - A search for the standard model Higgs boson is performed in the diphoton decay channel. The data used correspond to an integrated luminosity of 4.9 fb(-1) collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of root s = 7 TeV. In the diphoton mass range 110-150 GeV, the largest excess with respect to the background-only hypothesis is observed at 126.5 GeV, with a local significance of 2.8 standard deviations. Taking the look-elsewhere effect into account in the range 110-150 GeV, this significance becomes 1.5 standard deviations. The standard model Higgs boson is excluded at 95% confidence level in the mass ranges of 113-115 GeV and 134.5-136 GeV.
T2  - Physical Review Letters
T1  - Search for the Standard Model Higgs Boson in the Diphoton Decay Channel with 4.9 fb(-1) of pp Collision Data at root s=7 TeV with ATLAS
VL  - 108
IS  - 11
DO  - 10.1103/PhysRevLett.108.111803
ER  -

@article{
author = "Aad, G. and Borjanović, Iris and Božović-Jelisavčić, Ivanka and Agatonović-Jovin, Tatjana and Krstić, Jelena and Mamužić, Judita and Mudrinić, Mihajlo and Popovica, D. S. and Sijackia, Dj. and Simica, Lj. and Vranješ, Nenad and Vranješ Milosavljević, Marija and Živković, Lada",
year = "2012",
abstract = "A search for the standard model Higgs boson is performed in the diphoton decay channel. The data used correspond to an integrated luminosity of 4.9 fb(-1) collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of root s = 7 TeV. In the diphoton mass range 110-150 GeV, the largest excess with respect to the background-only hypothesis is observed at 126.5 GeV, with a local significance of 2.8 standard deviations. Taking the look-elsewhere effect into account in the range 110-150 GeV, this significance becomes 1.5 standard deviations. The standard model Higgs boson is excluded at 95% confidence level in the mass ranges of 113-115 GeV and 134.5-136 GeV.",
journal = "Physical Review Letters",
title = "Search for the Standard Model Higgs Boson in the Diphoton Decay Channel with 4.9 fb(-1) of pp Collision Data at root s=7 TeV with ATLAS",
volume = "108",
number = "11",
doi = "10.1103/PhysRevLett.108.111803"
}

Aad, G., Borjanović, I., Božović-Jelisavčić, I., Agatonović-Jovin, T., Krstić, J., Mamužić, J., Mudrinić, M., Popovica, D. S., Sijackia, Dj., Simica, Lj., Vranješ, N., Vranješ Milosavljević, M.,& Živković, L.. (2012). Search for the Standard Model Higgs Boson in the Diphoton Decay Channel with 4.9 fb(-1) of pp Collision Data at root s=7 TeV with ATLAS. in Physical Review Letters, 108(11).
https://doi.org/10.1103/PhysRevLett.108.111803

Aad G, Borjanović I, Božović-Jelisavčić I, Agatonović-Jovin T, Krstić J, Mamužić J, Mudrinić M, Popovica DS, Sijackia D, Simica L, Vranješ N, Vranješ Milosavljević M, Živković L. Search for the Standard Model Higgs Boson in the Diphoton Decay Channel with 4.9 fb(-1) of pp Collision Data at root s=7 TeV with ATLAS. in Physical Review Letters. 2012;108(11).
doi:10.1103/PhysRevLett.108.111803 .

Aad, G., Borjanović, Iris, Božović-Jelisavčić, Ivanka, Agatonović-Jovin, Tatjana, Krstić, Jelena, Mamužić, Judita, Mudrinić, Mihajlo, Popovica, D. S., Sijackia, Dj., Simica, Lj., Vranješ, Nenad, Vranješ Milosavljević, Marija, Živković, Lada, "Search for the Standard Model Higgs Boson in the Diphoton Decay Channel with 4.9 fb(-1) of pp Collision Data at root s=7 TeV with ATLAS" in Physical Review Letters, 108, no. 11 (2012),
https://doi.org/10.1103/PhysRevLett.108.111803 . .