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Axial channeling Yu.Chesnokov, On behalf of H8RD22 collaboration.

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Presentazione sul tema: "Axial channeling Yu.Chesnokov, On behalf of H8RD22 collaboration."— Transcript della presentazione:

1 Axial channeling Yu.Chesnokov, On behalf of H8RD22 collaboration

2 Potential of

3

4 Some results had been already published in PRL101(2008) High-efficiency deflection of high-energy protons through axial channeling in a bent crystal Walter Scandale CERN, European Organization for Nuclear Research, CH-1211 Geneva 23, Switzerland Alberto Vomiero INFM-CNR, Via Valotti 9, Brescia, Italy Stefano Baricordi, Pietro Dalpiaz, Massimiliano Fiorini, Vincenzo Guidi, Andrea Mazzolari INFN Sezione di Ferrara, Dipartimento di Fisica, Università di Ferrara Via Saragat 1, Ferrara, Italy Gianantonio Della Mea, Riccardo Milan INFN Laboratori Nazionali di Legnaro, Viale Università 2, Legnaro (PD), Italy Giovanni Ambrosi, Bruna Bertucci, William J. Burger, Paolo Zuccon INFN Sezione di Perugia & Università degli Studi di Perugia, Dipartimento di Fisica Via Pascoli, Perugia, Italy Gianluca Cavoto, Claudio Luci, Roberta Santacesaria, Paolo Valente INFN Sezione di Roma, Piazzale Aldo Moro 2, Rome, Italy Erik Vallazza INFN Sezione di Trieste, Via Valerio 2, Trieste, Italy Alexander G. Afonin, Yury A. Chesnokov, Vladimir A. Maisheev, Igor A. Yazynin Institute of High Energy Physics, Moscow Region, RU Protvino. Russia Alexander D. Kovalenko, Alexander M. Taratin Joint Institute for Nuclear Research, Joliot-Curie 6, , Dubna, Moscow Region, Russia Alexander S. Denisov, Yury A. Gavrikov,Yuri M. Ivanov, Lyubov P. Lapina, Liudmila G. Malyarenko, Vyacheslav V. Skorobogatov, Vsevolod M. Suvorov, Sergey A. Vavilov Petersburg Nuclear Physics Institute, Gatchina, Leningrad Region, Russia Davide Bolognini, Said Hasan, A. Mozzanica, Michela Prest Università dell'Insubria, via Valleggio 11, Como, Italy & INFN Sezione di Milano, via Celoria 16, Milan, Italy

5 Measurements were performed using Ferrara Strip-type crystal.

6 Beam intensity distribution as a function of horizontal and vertical deflections at some orientation angles

7 Projection on the horizontal plane

8 Axial deflection of negative particles (from V.Guidi report on channeling-2008)

9 Axial manipulations with multi- crystals (IHEP –technologies)

10 Enhancement of deflection angle of 400 Gev protons up to 300 urad due to near-axial reflections

11 Effect is confirmed by M-C simulations. I.Yazynin

12 Projection on horizontal plane – different cross-sections

13 Central cross-section

14 Negative particles Planar multi-refrlectians Near-axial multi-reflections

15 Planar/axial projections

16 Single-axial/ multi-planar/ multi-axial effects on negative 150 GeV particles

17 Methods of axial-case realization – modified IHEP goniometer


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