Electromagnetic calorimetry with PbWO4 in the energy regime below 1 GeV

被引：22

作者：

Novotny, R ^{[1
]}

Beck, R

Döring, W

Hejny, V

Hofstaetter, A

Korzhik, MV

Metag, V

Ströher, H

机构：

[1] Univ Giessen, Inst Phys 2, D-35392 Giessen, Germany

[2] Univ Giessen, Inst Phys 1, D-35392 Giessen, Germany

[3] Johannes Gutenberg Univ Mainz, Inst Nucl Phys, D-55128 Mainz, Germany

[4] Inst Nucl Problems, BY-22050 Minsk, BELARUS

[5] Forschungszentrum Julich, Inst Nucl Phys, D-52425 Julich, Germany

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2000年 / 47卷 / 04期

关键词：

D O I：

10.1109/23.873004

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The study of the performance and application of PbWO4 in electromagnetic calorimetry at energies far below 1GeV has been continued. The significantly improved optical and scintillation properties of 15cm long Nb/La-doped crystals, optimized for the ECAL/CMS calorimeter, are documented. The lineshape, energy and time response of a 5x5 matrix are tested with monoenergetic photons up to 790MeV energy and compared to previous measurements. First attempts have been made to enhance the scintillation yield by suitable dopants (Mo, Tb) for applications at very low photon energies. As a first large scale project at medium energies, the proposed concept for a compact photon spectrometer to be implemented into the ANKE magnetic spectrometer at COSY (KFA Julich) is illustrated.

引用

页码：1499 / 1502

页数：4

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