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Beam deflection due to axial channeling in a silicon crystal bent along the 111 axis was observed with 400GeV/c protons at the CERN Super Proton Synchrotron. The condition for doughnut scattering of protons by the atomic strings of the crystal was attained. Such a condition allowed one to observe a beam deflection of 50μrad with about 30% efficiency. The contribution of hyperchanneled states of protons to the observed beam deflection was less than 2% according to simulation results. © 2008 The American Physical Society.

High-efficiency deflection of high-energy protons through axial channeling in a bent crystal / Walter, S., Alberto, V., Stefano, B., Pietro, D., Massimiliano, F., Vincenzo, G., Andrea, M., Gianantonio Della, M., Riccardo, M., Giovanni, A., Bruna, B., William, B., Paolo, Z., Cavoto, G., Luci, C., Roberta, S., Paolo, V., Erik, V., Alexander, A., Yury, C., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 101:16(2008). [10.1103/physrevlett.101.164801]

High-efficiency deflection of high-energy protons through axial channeling in a bent crystal

CAVOTO, Gianluca;LUCI, Claudio;
2008

Abstract

Beam deflection due to axial channeling in a silicon crystal bent along the 111 axis was observed with 400GeV/c protons at the CERN Super Proton Synchrotron. The condition for doughnut scattering of protons by the atomic strings of the crystal was attained. Such a condition allowed one to observe a beam deflection of 50μrad with about 30% efficiency. The contribution of hyperchanneled states of protons to the observed beam deflection was less than 2% according to simulation results. © 2008 The American Physical Society.
2008
01 Pubblicazione su rivista::01a Articolo in rivista
High-efficiency deflection of high-energy protons through axial channeling in a bent crystal / Walter, S., Alberto, V., Stefano, B., Pietro, D., Massimiliano, F., Vincenzo, G., Andrea, M., Gianantonio Della, M., Riccardo, M., Giovanni, A., Bruna, B., William, B., Paolo, Z., Cavoto, G., Luci, C., Roberta, S., Paolo, V., Erik, V., Alexander, A., Yury, C., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 101:16(2008). [10.1103/physrevlett.101.164801]
01a Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/68514
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