Calibration of the photon spectrometer PHOS of the ALICE experiment

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dc.contributor University of Helsinki, Helsinki Institute of Physics en
dc.contributor University of Helsinki, University of Jyväskylä en
dc.contributor University of Helsinki, Helsinki Institute of Physics en
dc.contributor University of Helsinki, University of Jyväskylä en
dc.contributor University of Helsinki, Helsinki Institute of Physics en
dc.contributor University of Helsinki, Helsinki Institute of Physics en
dc.contributor University of Helsinki, Helsinki Institute of Physics en
dc.contributor University of Helsinki, University of Jyväskylä en
dc.contributor University of Helsinki, University of Jyväskylä en
dc.contributor University of Helsinki, Helsinki Institute of Physics en
dc.contributor University of Helsinki, University of Jyväskylä en
dc.contributor University of Helsinki, University of Jyväskylä en
dc.contributor University of Helsinki, University of Jyväskylä en
dc.contributor.author The ALICE collaboration
dc.contributor.author Acharya, S.
dc.contributor.author Brucken, E. J.
dc.contributor.author Chang, B.
dc.contributor.author Hilden, T. E.
dc.contributor.author Kim, D. J.
dc.contributor.author Litichevskyi, V.
dc.contributor.author Mieskolainen, M. M.
dc.contributor.author Orava, R.
dc.contributor.author Parkkila, J. E.
dc.contributor.author Rak, J.
dc.contributor.author Räsänen, S. S.
dc.contributor.author Saarinen, S.
dc.contributor.author Slupecki, M.
dc.contributor.author Snellman, T. W.
dc.contributor.author Trzaska, W. H.
dc.contributor.author Vargyas, M.
dc.contributor.author Viinikainen, J.
dc.date.accessioned 2019-06-25T13:36:01Z
dc.date.available 2019-06-25T13:36:01Z
dc.date.issued 2019-05
dc.identifier.citation The ALICE Collaboration , Acharya , S , Brucken , E J , Chang , B , Hilden , T E , Kim , D J , Litichevskyi , V , Mieskolainen , M M , Orava , R , Parkkila , J E , Rak , J , Räsänen , S S , Saarinen , S , Slupecki , M , Snellman , T W , Trzaska , W H , Vargyas , M & Viinikainen , J 2019 , ' Calibration of the photon spectrometer PHOS of the ALICE experiment ' , Journal of Instrumentation , vol. 14 , P05025 . https://doi.org/10.1088/1748-0221/14/05/P05025 en
dc.identifier.issn 1748-0221
dc.identifier.other PURE: 125330414
dc.identifier.other PURE UUID: 4412e481-da0d-4822-9201-aa90baaebd70
dc.identifier.other WOS: 000470055100003
dc.identifier.other ORCID: /0000-0003-2530-4265/work/58958338
dc.identifier.other ORCID: /0000-0001-8893-7401/work/58958661
dc.identifier.other ORCID: /0000-0002-2574-241X/work/58958711
dc.identifier.uri http://hdl.handle.net/10138/303461
dc.description.abstract The procedure for the energy calibration of the high granularity electromagnetic calorimeter PHOS of the ALICE experiment is presented. The methods used to perform the relative gain calibration, to evaluate the geometrical alignment and the corresponding correction of the absolute energy scale, to obtain the nonlinearity correction coefficients and finally, to calculate the time-dependent calibration corrections, are discussed and illustrated by the PHOS performance in proton-proton (pp) collisions at root s = 13 TeV. After applying all corrections, the achieved mass resolutions for pi(0) and eta mesons for p(T) > 1.7 GeV/c are sigma(pi 0)(m) = 4.56 +/- 0.03 MeV/c(2) and sigma(eta)(m) = 15.3 +/- 1.0 MeV/c(2), respectively. en
dc.format.extent 30
dc.language.iso eng
dc.relation.ispartof Journal of Instrumentation
dc.rights en
dc.subject Calorimeters en
dc.subject Detector alignment and calibration methods (lasers, sources, particlebeams) en
dc.subject PB-PB COLLISIONS en
dc.subject PHOTODIODES en
dc.subject DETECTOR en
dc.subject 114 Physical sciences en
dc.title Calibration of the photon spectrometer PHOS of the ALICE experiment en
dc.type Article
dc.description.version Peer reviewed
dc.identifier.doi https://doi.org/10.1088/1748-0221/14/05/P05025
dc.type.uri info:eu-repo/semantics/other
dc.type.uri info:eu-repo/semantics/publishedVersion
dc.contributor.pbl

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