Time and Energy Resolutions of Electromagnetic Calorimeter Prototypes Based on Lead Tungstate Crystals

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Resumo

The time and energy resolutions were measured for four prototypes of the PHOS electromagnetic calorimeter for the ALICE experiment at the Large Hadron Collider at CERN. Each prototype was made up of nine identical detection elements assembled as a 3 × 3 array. The detection element was based on a lead tungstate (PbWO4) scintillating crystal with a length of 180 mm and a cross section of 22 × 22 mm2, which was viewed from its end face by a photodetector. Avalanche photodiodes and silicon photomultipliers with different active areas (Hamamatsu, Japan) were used as photodetectors. The measurements were made with the electron component of secondary particle beams of the PS proton synchrotron at CERN in the momentum range of 1−10 GeV/c at a temperature of 17.5°C.

Sobre autores

A. Akindinov

National Research Centre Kurchatov Institute

Email: Mikhail.Ippolitov@cern.ch
123182, Moscow, Russia

I. Rufanov

Joint Institute for Nuclear Research (JINR)

Email: Mikhail.Ippolitov@cern.ch
141980, Dubna, Moscow oblast, Russia

D. Budnikov

Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics

Email: Mikhail.Ippolitov@cern.ch
607188, Sarov, Nizhny Novgorod oblast, Russia

D. Grachev

Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics

Email: Mikhail.Ippolitov@cern.ch
607188, Sarov, Nizhny Novgorod oblast, Russia

O. Vikhlyantsev

Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics

Email: Mikhail.Ippolitov@cern.ch
607188, Sarov, Nizhny Novgorod oblast, Russia

V. Demanov

Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics

Email: Mikhail.Ippolitov@cern.ch
607188, Sarov, Nizhny Novgorod oblast, Russia

N. Zavyalov

Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics

Email: Mikhail.Ippolitov@cern.ch
607188, Sarov, Nizhny Novgorod oblast, Russia

A. Kuryakin

Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics

Email: Mikhail.Ippolitov@cern.ch
607188, Sarov, Nizhny Novgorod oblast, Russia

A. Tumkin

Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics

Email: Mikhail.Ippolitov@cern.ch
607188, Sarov, Nizhny Novgorod oblast, Russia

S. Filchagin

Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics

Email: Mikhail.Ippolitov@cern.ch
607188, Sarov, Nizhny Novgorod oblast, Russia

Yu. Petukhov

Joint Institute for Nuclear Research (JINR)

Email: Mikhail.Ippolitov@cern.ch
141980, Dubna, Moscow oblast, Russia

P. Nomokonov

Joint Institute for Nuclear Research (JINR)

Email: Mikhail.Ippolitov@cern.ch
141980, Dubna, Moscow oblast, Russia

N. Kuzmin

Joint Institute for Nuclear Research (JINR)

Email: Mikhail.Ippolitov@cern.ch
141980, Dubna, Moscow oblast, Russia

K. Balygin

National Research Centre Kurchatov Institute

Email: Mikhail.Ippolitov@cern.ch
123182, Moscow, Russia

Yu. Grishuk

National Research Centre Kurchatov Institute

Email: Mikhail.Ippolitov@cern.ch
123182, Moscow, Russia

M. Ippolitov

National Research Centre Kurchatov Institute

Email: Mikhail.Ippolitov@cern.ch
123182, Moscow, Russia

V. Lebedev

National Research Centre Kurchatov Institute

Email: Mikhail.Ippolitov@cern.ch
123182, Moscow, Russia

V. Manko

National Research Centre Kurchatov Institute

Email: Mikhail.Ippolitov@cern.ch
123182, Moscow, Russia

Yu. Sibiriak

National Research Centre Kurchatov Institute

Email: Mikhail.Ippolitov@cern.ch
123182, Moscow, Russia

V. Arefiev

Joint Institute for Nuclear Research (JINR)

Email: Mikhail.Ippolitov@cern.ch
141980, Dubna, Moscow oblast, Russia

A. Vodopyanov

Joint Institute for Nuclear Research (JINR)

Email: Mikhail.Ippolitov@cern.ch
141980, Dubna, Moscow oblast, Russia

N. Gorbunov

Joint Institute for Nuclear Research (JINR)

Email: Mikhail.Ippolitov@cern.ch
141980, Dubna, Moscow oblast, Russia

G. Shmonin

Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics

Autor responsável pela correspondência
Email: Mikhail.Ippolitov@cern.ch
607188, Sarov, Nizhny Novgorod oblast, Russia

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Declaração de direitos autorais © А.В. Акиндинов, К.А. Балыгин, Ю.В. Грищук, М.С. Ипполитов, В.А. Лебедев, В.И. Манько, Ю.Г. Сибиряк, В.А. Арефьев, А.С. Водопьянов, Н.В. Горбунов, Н.А. Кузьмин, П.В. Номоконов, Ю.П. Петухов, И.А. Руфанов, Д.В. Будников, Д.В. Грачев, О.В. Вихлянцев, В.А. Деманов, Н.В. Завьялов, А.В. Курякин, А.Д. Тумкин, С.В. Фильчагин, Г.А. Шмонин, 2023