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Scandale W, Andrisani F, Arduini G, Cerutti F, Garattini M, Gilardoni S, Masi A, Mirarchi D, Montesano S, Petrucci S, Redaelli S, Schoofs P, Rossi R, Breton D, Chaumat D, Dubos S, Maalmi J, Natochii A, Puill V, Stocchi A, Bagli E, Bandiera L, Germogli G, Guidi V, Mazzolari A, Murtas F, Addesa F, Cavoto G, Iacoangeli F, Galluccio F, Afonin AG, Chesnokov YA, Durum AA, Maisheev VA, Sandomirskiy YE, Yanovich AA, Kovalenko AD, Taratin AM, Smirnov GI, Desinov AS, Gavrikov YA, Ivanov YM, Lapina LP, Malyarenko LG, Skorobogatov VV, Fulcher J, James T, Hall G, Pesaresi M, Raymond M. Study of inelastic nuclear interactions of 400 GeV/c protons in bent silicon crystals for beam steering purposes. Eur Phys J C Part Fields 2018; 78:505. [PMID: 30956555 PMCID: PMC6417461 DOI: 10.1140/epjc/s10052-018-5985-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 06/11/2018] [Indexed: 06/09/2023]
Abstract
Inelastic nuclear interaction probability of 400 GeV/c protons interacting with bent silicon crystals was investigated, in particular for both types of crystals installed at the CERN Large Hadron Collider for beam collimation purposes. In comparison to amorphous scattering interaction, in planar channeling this probability is ∼ 36 % for the quasi-mosaic type (planes (111)), and ∼ 27 % for the strip type (planes (110)). Moreover, the absolute inelastic nuclear interaction probability in the axial channeling orientation, along the ⟨ 110 ⟩ axis, was estimated for the first time, finding a value of 0.6 % for a crystal 2 mm long along the beam direction, with a bending angle of 55 μ rad. This value is more than two times lower with respect to the planar channeling orientation of the same crystal, and increases with the vertical angular misalignment. Finally, the correlation between the inelastic nuclear interaction probability in the planar channeling and the silicon crystal curvature is reported.
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Affiliation(s)
- W. Scandale
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - F. Andrisani
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - G. Arduini
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - F. Cerutti
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - M. Garattini
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
- Imperial College, London, UK
| | - S. Gilardoni
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - A. Masi
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - D. Mirarchi
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - S. Montesano
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - S. Petrucci
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - S. Redaelli
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - P. Schoofs
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - R. Rossi
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
- INFN Sezione di Roma, Piazzale Aldo Moro 2, 00185 Rome, Italy
- Dipartimento di Fisica, Sapienza Univ. Roma, Piazzale A.Moro, 2, 00185 Rome, Italy
| | - D. Breton
- Laboratoire de l’Accélérateur Linéaire (LAL), Université Paris Sud Orsay, Orsay, France
| | - D. Chaumat
- Laboratoire de l’Accélérateur Linéaire (LAL), Université Paris Sud Orsay, Orsay, France
| | - S. Dubos
- Laboratoire de l’Accélérateur Linéaire (LAL), Université Paris Sud Orsay, Orsay, France
| | - J. Maalmi
- Laboratoire de l’Accélérateur Linéaire (LAL), Université Paris Sud Orsay, Orsay, France
| | - A. Natochii
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
- Laboratoire de l’Accélérateur Linéaire (LAL), Université Paris Sud Orsay, Orsay, France
- Taras Shevchenko National University of Kyiv (TSNUK), Kiev, Ukraine
| | - V. Puill
- Laboratoire de l’Accélérateur Linéaire (LAL), Université Paris Sud Orsay, Orsay, France
| | - A. Stocchi
- Laboratoire de l’Accélérateur Linéaire (LAL), Université Paris Sud Orsay, Orsay, France
| | - E. Bagli
- Dipartimento di Fisica e Scienze della Terra, INFN Sezione di Ferrara, Universita di Ferrara, Via Sarogat 1 Blocco C, 44121 Ferrara, Italy
| | - L. Bandiera
- Dipartimento di Fisica e Scienze della Terra, INFN Sezione di Ferrara, Universita di Ferrara, Via Sarogat 1 Blocco C, 44121 Ferrara, Italy
| | - G. Germogli
- Dipartimento di Fisica e Scienze della Terra, INFN Sezione di Ferrara, Universita di Ferrara, Via Sarogat 1 Blocco C, 44121 Ferrara, Italy
| | - V. Guidi
- Dipartimento di Fisica e Scienze della Terra, INFN Sezione di Ferrara, Universita di Ferrara, Via Sarogat 1 Blocco C, 44121 Ferrara, Italy
| | - A. Mazzolari
- Dipartimento di Fisica e Scienze della Terra, INFN Sezione di Ferrara, Universita di Ferrara, Via Sarogat 1 Blocco C, 44121 Ferrara, Italy
| | - F. Murtas
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
- INFN, Laboratori Nazionali di Frascati, Via Fermi, 40, 00044 Frascati, Rome Italy
| | - F. Addesa
- INFN Sezione di Roma, Piazzale Aldo Moro 2, 00185 Rome, Italy
| | - G. Cavoto
- INFN Sezione di Roma, Piazzale Aldo Moro 2, 00185 Rome, Italy
- Dipartimento di Fisica, Sapienza Univ. Roma, Piazzale A.Moro, 2, 00185 Rome, Italy
| | - F. Iacoangeli
- INFN Sezione di Roma, Piazzale Aldo Moro 2, 00185 Rome, Italy
| | - F. Galluccio
- INFN Sezione di Napoli, Complesso Universitario di Monte Sant’Angelo, Via Cintia, 80126 Naples, Italy
| | - A. G. Afonin
- NRC Kurchatov Institute-IHEP, 142281 Protvino, Russia
| | | | - A. A. Durum
- NRC Kurchatov Institute-IHEP, 142281 Protvino, Russia
| | | | | | | | - A. D. Kovalenko
- Joint Institute for Nuclear Research, Joliot-Curie 6, 141980 Dubna, Russia
| | - A. M. Taratin
- Joint Institute for Nuclear Research, Joliot-Curie 6, 141980 Dubna, Russia
| | - G. I. Smirnov
- CERN, European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
- Joint Institute for Nuclear Research, Joliot-Curie 6, 141980 Dubna, Russia
| | - A. S. Desinov
- Petersburg Nuclear Physics Institute in National Research Centre “Kurchatov Institute”, 188300 Gatchina, Russia
| | - Yu. A. Gavrikov
- Petersburg Nuclear Physics Institute in National Research Centre “Kurchatov Institute”, 188300 Gatchina, Russia
| | - Yu. M. Ivanov
- Petersburg Nuclear Physics Institute in National Research Centre “Kurchatov Institute”, 188300 Gatchina, Russia
| | - L. P. Lapina
- Petersburg Nuclear Physics Institute in National Research Centre “Kurchatov Institute”, 188300 Gatchina, Russia
| | - L. G. Malyarenko
- Petersburg Nuclear Physics Institute in National Research Centre “Kurchatov Institute”, 188300 Gatchina, Russia
| | - V. V. Skorobogatov
- Petersburg Nuclear Physics Institute in National Research Centre “Kurchatov Institute”, 188300 Gatchina, Russia
| | | | | | - G. Hall
- Imperial College, London, UK
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