Artículos de revistas
Performance of photon reconstruction and identification with the CMS detector in proton-proton collisions at root s=8TeV
Fecha
2015-08-01Registro en:
Journal Of Instrumentation. Bristol: Iop Publishing Ltd, v. 10, 60 p., 2015.
1748-0221
10.1088/1748-0221/10/08/P08010
WOS:000362378700029
WOS000362378700029.pdf
Autor
Yerevan Phys Inst
OeAW
Natl Ctr Particle & High Energy Phys
Univ Antwerp
Vrije Univ Brussel
Univ Libre Bruxelles
Univ Ghent
Catholic Univ Louvain
Univ Mons
Ctr Brasileiro Pesquisas Fis
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Estadual Paulista (Unesp)
Universidade Federal do ABC (UFABC)
Bulgarian Acad Sci
Univ Sofia
Inst High Energy Phys
Peking Univ
Univ Los Andes
Univ Split
Rudjer Boskovic Inst
Univ Cyprus
Charles Univ Prague
Acad Sci Res & Technol Arab Republ Egypt
NICPB
Univ Helsinki
Helsinki Inst Phys
Lappeenranta Univ Technol
CEA Saclay
Ecole Polytech
Univ Haute Alsace Mulhouse
Inst Natl Phys Nucl & Phys Particules
Univ Lyon 1
Tbilisi State Univ
Rhein Westfal TH Aachen
DESY
Univ Hamburg
Univ Karlsruhe
NCSR Demokritos
Univ Athens
Univ Ioannina
Wigner Res Ctr Phys
Inst Nucl Res ATOMKI
Univ Debrecen
Natl Inst Sci Educ & Res
Panjab Univ
Univ Delhi
Saha Inst Nucl Phys
Bhabha Atom Res Ctr
Tata Inst Fundamental Res
IISER
Inst Res Fundamental Sci IPM
Univ Coll Dublin
Ist Nazl Fis Nucl
Univ Bari
Politecn Bari
Univ Bologna
Univ Catania
CSFNSM
Univ Florence
Univ Genoa
Univ Milano Bicocca
Univ Naples Federico II
Univ Basilicata Potenza
Univ G Marconi Roma
Univ Padua
Univ Trento Trento
Univ Pavia
Univ Perugia
Univ Pisa
Scuola Normale Super Pisa
Univ Rome
Univ Turin
Univ Piemonte Orientale Novara
Univ Trieste
Kangwon Natl Univ
Kyungpook Natl Univ
Chonbuk Natl Univ
Chonnam Natl Univ
Korea Univ
Seoul Natl Univ
Univ Seoul
Sungkyunkwan Univ
Vilnius State Univ
Univ Malaya
IPN
Univ Iberoamer
Benemerita Univ Autonoma Puebla
Univ Autonoma San Luis Potosi
Univ Auckland
Univ Canterbury
Quaid I Azam Univ
Natl Ctr Nucl Res
Univ Warsaw
Lab Instrumentacao & Fis Expt Particulas
Joint Inst Nucl Res
Petersburg Nucl Phys Inst
Russian Acad Sci
Inst Theoret & Expt Phys
PN Lebedev Phys Inst
Moscow MV Lomonosov State Univ
State Res Ctr Russian Federat
Univ Belgrade
Vinca Inst Nucl Sci
CIEMAT
Univ Autonoma Madrid
Univ Oviedo
Univ Cantabria
CERN
Paul Scherrer Inst
Swiss Fed Inst Technol
Univ Zurich
Natl Cent Univ
Natl Taiwan Univ
Chulalongkorn Univ
Cukurova Univ
Middle E Tech Univ
Bogazici Univ
Istanbul Tech Univ
Natl Sci Ctr
Univ Bristol
Rutherford Appleton Lab
Imperial Coll
Brunel Univ
Baylor Univ
Univ Alabama
Boston Univ
Brown Univ
Univ Calif Davis
Univ Calif Los Angeles
Univ Calif Riverside
Univ Calif San Diego
Univ Calif Santa Barbara
CALTECH
Carnegie Mellon Univ
Univ Colorado
Cornell Univ
Fairfield Univ
Fermilab Natl Accelerator Lab
Univ Florida
Florida Int Univ
Florida State Univ
Florida Inst Technol
Univ Illinois
Univ Iowa
Johns Hopkins Univ
Univ Kansas
Kansas State Univ
Lawrence Livermore Natl Lab
Univ Maryland
MIT
Univ Minnesota
Univ Mississippi
Univ Nebraska
SUNY Buffalo
Northeastern Univ
Northwestern Univ
Univ Notre Dame
Ohio State Univ
Princeton Univ
Univ Puerto Rico
Purdue Univ
Purdue Univ Calumet
Rice Univ
Univ Rochester
Rockefeller Univ
Rutgers State Univ
Univ Tennessee
Texas A&M Univ
Texas Tech Univ
Vanderbilt Univ
Univ Virginia
Wayne State Univ
Univ Wisconsin
Vienna Univ Technol
Universidade Estadual de Campinas (UNICAMP)
Suez Univ
Cairo Univ
Fayoum Univ
British Univ Egypt
Univ Haute Alsace
Brandenburg Tech Univ Cottbus
Eotvos Lorand Univ
Visva Bharati Univ
Univ Ruhuna
Isfahan Univ Technol
Univ Tehran
Islamic Azad Univ
Univ Siena
CNRS
St Petersburg State Polytech Univ
Natl Res Nucl Univ
MEPhI
Sezione Ist Nazl Fis Nucl
Albert Einstein Ctr Fundamental Phys
Gaziosmanpasa Univ
Adiyaman Univ
Mersin Univ
Cag Univ
Piri Reis Univ
Anadolu Univ
Ozyegin Univ
Izmir Inst Technol
Necmettin Erbakan Univ
Mimar Sinan Univ
Marmara Univ
Kafkas Univ
Yildiz Tech Univ
Univ Southampton
Argonne Natl Lab
Erzincan Univ
Texas A&M Univ Qatar
Institución
Resumen
A description is provided of the performance of the CMS detector for photon reconstruction and identification in proton-proton collisions at a centre-of-mass energy of 8 TeV at the CERN LHC. Details are given on the reconstruction of photons from energy deposits in the electromagnetic calorimeter (ECAL) and the extraction of photon energy estimates. The reconstruction of electron tracks from photons that convert to electrons in the CMS tracker is also described, as is the optimization of the photon energy reconstruction and its accurate modelling in simulation, in the analysis of the Higgs boson decay into two photons. In the barrel section of the ECAL, an energy resolution of about 1% is achieved for unconverted or late-converting photons from H -> gamma gamma decays. Different photon identification methods are discussed and their corresponding selection efficiencies in data are compared with those found in simulated events.