Use of Large-Area Photodiodes for Improving the Characteristics of an Electromagnetic Calorimeter Based on Lead Tungstate Crystals


Cite item

Full Text

Open Access Open Access
Restricted Access Access granted
Restricted Access Subscription Access

Abstract

It is shown that an increase in the area of photodetectors allows the PHOS electromagnetic calorimeter of the ALICE experiment to operate at room temperature with better spectrometric characteristics. The linearity of the calorimeter response has been investigated in the 1–110 GeV energy range using both Hamamatsu S8664-1010 avalanche photodiodes with a large area (10 × 10 mm2) and arrays of MPPC Hamamatsu S12572-015C silicon photomultipliers with a sensitive area of 6 × 6 mm2. The calorimeter based on avalanche photodiodes is linear in the energy range under investigation compared to a calorimeter composed of silicon-photomultiplier arrays.

About the authors

K. A. Balygin

Kurchatov Institute National Research Center

Email: Mikhail.Ippolitov@cern.ch
Russian Federation, Moscow, 123182

M. S. Ippolitov

Kurchatov Institute National Research Center

Author for correspondence.
Email: Mikhail.Ippolitov@cern.ch
Russian Federation, Moscow, 123182

A. I. Klimov

Kurchatov Institute National Research Center

Email: Mikhail.Ippolitov@cern.ch
Russian Federation, Moscow, 123182

V. A. Lebedev

Kurchatov Institute National Research Center

Email: Mikhail.Ippolitov@cern.ch
Russian Federation, Moscow, 123182

V. I. Manko

Kurchatov Institute National Research Center

Email: Mikhail.Ippolitov@cern.ch
Russian Federation, Moscow, 123182

E. A. Meleshko

Kurchatov Institute National Research Center

Email: Mikhail.Ippolitov@cern.ch
Russian Federation, Moscow, 123182

Yu. G. Sibiriak

Kurchatov Institute National Research Center

Email: Mikhail.Ippolitov@cern.ch
Russian Federation, Moscow, 123182

A. V. Akindinov

Alikhanov Institute for Theoretical and Experimental Physics

Email: Mikhail.Ippolitov@cern.ch
Russian Federation, Moscow, 117218

V. I. Izucheev

Logunov Institute for High Energy Physics

Email: Mikhail.Ippolitov@cern.ch
Russian Federation, Protvino, Moscow oblast, 142281

V. A. Arefiev

Joint Institute for Nuclear Research

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

A. S. Vodopyanov

Joint Institute for Nuclear Research

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

N. V. Gorbunov

Joint Institute for Nuclear Research

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

N. A. Kuzmin

Joint Institute for Nuclear Research

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

P. V. Nomokonov

Joint Institute for Nuclear Research

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

Yu. P. Petukhov

Joint Institute for Nuclear Research

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

I. A. Rufanov

Joint Institute for Nuclear Research

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

D. V. Budnikov

Russian Federal Nuclear Center

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

O. V. Vikhlyantsev

Russian Federal Nuclear Center

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

V. A. Demanov

Russian Federal Nuclear Center

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

N. V. Zavyalov

Russian Federal Nuclear Center

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

A. V. Kuryakin

Russian Federal Nuclear Center

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

A. D. Tumkin

Russian Federal Nuclear Center

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

S. V. Filchagin

Russian Federal Nuclear Center

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

Supplementary files

Supplementary Files
Action
1. JATS XML

Copyright (c) 2018 Pleiades Publishing, Inc.