Beam steering performance of bent silicon crystals irradiated with high-intensity and high-energy protons

被引：2

作者：

Scandale, W. ^{[1
]}

Calviani, M. ^{[1
]}

D'Andrea, M. ^{[1
]}

Esposito, L. S. ^{[1
]}

Garattini, M. ^{[1
,2
]}

Gilardoni, S. ^{[1
]}

Montesano, S. ^{[1
]}

Natochii, A. ^{[1
,3
,4
]}

Rossi, R. ^{[1
]}

Smirnov, G. I. ^{[1
,5
]}

Martin, C. L. Torregrosa ^{[1
]}

Zhovkovska, V. ^{[1
,4
]}

Bagli, E. ^{[6
,7
]}

Bandiera, L. ^{[6
,7
]}

Guidi, V. ^{[6
,7
]}

Mazzolari, A. ^{[6
,7
]}

Romagnoni, M. ^{[6
,7
]}

Murtas, F. ^{[8
]}

Galluccio, F. ^{[9
]}

Addesa, F. ^{[10
]}

Iacoangeli, F. ^{[10
]}

Kovalenko, A. D. ^{[5
]}

Taratin, A. M. ^{[5
]}

Gavrikov, Yu. A. ^{[11
]}

Ivanov, Yu. M. ^{[11
]}

Koznov, M. A. ^{[11
]}

Malkov, M. V. ^{[11
]}

Malyarenko, L. G. ^{[11
]}

Mamunct, I. G. ^{[11
]}

Borg, J. ^{[2
]}

James, T. ^{[2
]}

Hall, G. ^{[2
]}

Pesaresi, M. ^{[2
]}

机构：

[1] CERN, European Org Nucl Res, CH-1211 Geneva 23, Switzerland

[2] Imperial Coll, London, England

[3] Univ Paris Sud Orsay, Lab Accelerateur Lineaire LAL, Orsay, France

[4] Taras Shevchenko Natl Univ Kyiv TSNUK, Kiev, Ukraine

[5] Joint Inst Nucl Res, Joliot Curie 6, Dubna 141980, Russia

[6] Univ Ferrara, INFN, Sez Ferrara, Via Sarogat 1 Blocco C, I-44121 Ferrara, Italy

[7] Univ Ferrara, Dipartimento Fis & Sci Terra, Via Sarogat 1 Blocco C, I-44121 Ferrara, Italy

[8] INFN, Lab Nazl Frascati, Via Fermi 40, I-00044 Rome, Italy

[9] Complesso Univ Mt St Angelo, Sez Napoli, INFN, Via Cintia, I-80126 Naples, Italy

[10] INFN, Sez Roma, Piazzale Aldo Moro 2, I-00185 Rome, Italy

[11] Kurchatov Inst, Petersburg Nucl Phys Inst, Natl Res Ctr, Gatchina 188300, Russia

来源：

EUROPEAN PHYSICAL JOURNAL C | 2019年 / 79卷 / 11期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1140/epjc/s10052-019-7448-2

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Beam steering performance of bent silicon crystals irradiated with high-intensity and high-energy protons has been studied. In particular, crystals of the type used for collimation and extraction purposes in the Large Hadron Collider and the Super Proton Synchrotron at CERN have been irradiated at the HiRadMat CERN facility with 2.5x10(13) 440 GeV/c protons, with a pulse length of 7.2 mu s. The purpose is to study possible changes in bending angle and channeling efficiency due to thermo-mechanical stresses in case of accidental irradiation during accelerator operations. A comparison between measurements performed before and after the irradiation does not show any appreciable performance reduction in either crystal.

引用

页数：5

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