Experimental evidence of planar channeling in a periodically bent crystal

被引：20

作者：

Bagli, E. ^{[1
]}

Bandiera, L. ^{[1
]}

Bellucci, V. ^{[1
]}

Berra, A. ^{[2
,3
]}

Camattari, R. ^{[1
]}

De Salvador, D. ^{[4
,5
]}

Germogli, G. ^{[1
]}

Guidi, V. ^{[1
]}

Lanzoni, L. ^{[6
]}

Lietti, D. ^{[2
,3
]}

Mazzolari, A. ^{[1
]}

Prest, M. ^{[2
,3
]}

Tikhomirov, V. V. ^{[7
]}

Vallazza, E. ^{[8
]}

机构：

[1] Univ Ferrara, INFN Sez Ferrara, Dipartimento Fis, I-44122 Ferrara, Italy

[2] Univ Insubria, I-22100 Como, Italy

[3] INFN Sez Milano Bicocca, I-20126 Milan, Italy

[4] INFN Lab Nazl Legnaro, I-35020 Legnaro, Italy

[5] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy

[6] Univ San Marino, Dept Engn, San Marino 47890, San Marino

[7] Belarusian State Univ, Res Inst Nucl Problems, Minsk 220030, BELARUS

[8] INFN Sez Trieste, I-34127 Trieste, Italy

来源：

EUROPEAN PHYSICAL JOURNAL C | 2014年 / 74卷 / 10期

关键词：

UNDULATOR; RADIATION; POSITRONS; GENERATION; PARTICLES; EMISSION;

D O I：

10.1140/epjc/s10052-014-3114-x

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：

The usage of a crystalline undulator (CU) has been identified as a promising solution for generating powerful and monochromatic gamma-rays. A CU was fabricated at Sensors and Semiconductors Lab (SSL) through the grooving method, i.e., by the manufacturing of a series of periodical grooves on the major surfaces of a crystal. The CU was extensively characterized both morphologically via optical interferometry at SSL and structurally via X-ray diffraction at ESRF. Then, it was finally tested for channeling with a 400 GeV/c proton beam at CERN. The experimental results were compared to Monte Carlo simulations. Evidence of planar channeling in the CU was firmly observed. Finally, the emission spectrum of the positron beam interacting with the CU was simulated for possible usage in currently existing facilities.

引用

页码：1 / 7

页数：7

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