Comparisons of the MINOS near and far detector readout systems at a test beam

MINOS is a long baseline neutrino oscillation experiment that uses two detectors separated by 734 km. The readout systems used for the two detectors are different and have to be independently calibrated. To verify and make a direct comparison of the calibrated response of the two readout systems, te...

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Main Authors: Cabrera, A, Adamson, P, Barker, M, Belias, A, Boyd, S, Crone, G, Drake, G, Falk, E, Harris, P, Hartnell, J, Jenner, L, Kordosky, M, Lang, K, Litchfield, R, Michael, D, Miyagawa, P, Morse, R, Murgia, S, Nichol, R, Nicholls, T, Pearce, G, Petyt, D, Reyna, D, Saakyan, R, Shanahan, P
Format: Journal article
Jezik:English
Izdano: 2009
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author Cabrera, A
Adamson, P
Barker, M
Belias, A
Boyd, S
Crone, G
Drake, G
Falk, E
Harris, P
Hartnell, J
Jenner, L
Kordosky, M
Lang, K
Litchfield, R
Michael, D
Miyagawa, P
Morse, R
Murgia, S
Nichol, R
Nicholls, T
Pearce, G
Petyt, D
Reyna, D
Saakyan, R
Shanahan, P
author_facet Cabrera, A
Adamson, P
Barker, M
Belias, A
Boyd, S
Crone, G
Drake, G
Falk, E
Harris, P
Hartnell, J
Jenner, L
Kordosky, M
Lang, K
Litchfield, R
Michael, D
Miyagawa, P
Morse, R
Murgia, S
Nichol, R
Nicholls, T
Pearce, G
Petyt, D
Reyna, D
Saakyan, R
Shanahan, P
author_sort Cabrera, A
collection OXFORD
description MINOS is a long baseline neutrino oscillation experiment that uses two detectors separated by 734 km. The readout systems used for the two detectors are different and have to be independently calibrated. To verify and make a direct comparison of the calibrated response of the two readout systems, test beam data were acquired using a smaller calibration detector. This detector was simultaneously instrumented with both readout systems and exposed to the CERN PS T7 test beam. Differences in the calibrated response of the two systems are shown to arise from differences in response non-linearity, photomultiplier tube crosstalk, and threshold effects at the few percent level. These differences are reproduced by the Monte Carlo (MC) simulation to better than 1% and a scheme that corrects for these differences by calibrating the MC to match the data in each detector separately is presented. The overall difference in calorimetric response between the two readout systems is shown to be consistent with zero to a precision of 1.3% in data and 0.3% in MC with no significant energy dependence. © 2009 Elsevier B.V.
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spelling oxford-uuid:c12b1ec2-37c6-4e9c-81f6-709688d6bcc02022-03-27T05:59:33ZComparisons of the MINOS near and far detector readout systems at a test beamJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:c12b1ec2-37c6-4e9c-81f6-709688d6bcc0EnglishSymplectic Elements at Oxford2009Cabrera, AAdamson, PBarker, MBelias, ABoyd, SCrone, GDrake, GFalk, EHarris, PHartnell, JJenner, LKordosky, MLang, KLitchfield, RMichael, DMiyagawa, PMorse, RMurgia, SNichol, RNicholls, TPearce, GPetyt, DReyna, DSaakyan, RShanahan, PMINOS is a long baseline neutrino oscillation experiment that uses two detectors separated by 734 km. The readout systems used for the two detectors are different and have to be independently calibrated. To verify and make a direct comparison of the calibrated response of the two readout systems, test beam data were acquired using a smaller calibration detector. This detector was simultaneously instrumented with both readout systems and exposed to the CERN PS T7 test beam. Differences in the calibrated response of the two systems are shown to arise from differences in response non-linearity, photomultiplier tube crosstalk, and threshold effects at the few percent level. These differences are reproduced by the Monte Carlo (MC) simulation to better than 1% and a scheme that corrects for these differences by calibrating the MC to match the data in each detector separately is presented. The overall difference in calorimetric response between the two readout systems is shown to be consistent with zero to a precision of 1.3% in data and 0.3% in MC with no significant energy dependence. © 2009 Elsevier B.V.
spellingShingle Cabrera, A
Adamson, P
Barker, M
Belias, A
Boyd, S
Crone, G
Drake, G
Falk, E
Harris, P
Hartnell, J
Jenner, L
Kordosky, M
Lang, K
Litchfield, R
Michael, D
Miyagawa, P
Morse, R
Murgia, S
Nichol, R
Nicholls, T
Pearce, G
Petyt, D
Reyna, D
Saakyan, R
Shanahan, P
Comparisons of the MINOS near and far detector readout systems at a test beam
title Comparisons of the MINOS near and far detector readout systems at a test beam
title_full Comparisons of the MINOS near and far detector readout systems at a test beam
title_fullStr Comparisons of the MINOS near and far detector readout systems at a test beam
title_full_unstemmed Comparisons of the MINOS near and far detector readout systems at a test beam
title_short Comparisons of the MINOS near and far detector readout systems at a test beam
title_sort comparisons of the minos near and far detector readout systems at a test beam
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