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8 results on '"Sergey V. Kosyanenko"'

1. Deflection of 400 GeV/c proton beam with bent silicon crystals at the CERN Super Proton Synchrotron

Author

Walter Scandale, Alberto Carnera, Gianantonio Della Mea, Davide De Salvador, Riccardo Milan, Alberto Vomiero, Stefano Baricordi, Pietro Dalpiaz, Massimiliano Fiorini, Vincenzo Guidi, Giuliano Martinelli, Andrea Mazzolari, Emiliano Milan, Giovanni Ambrosi, Philipp Azzarello, Roberto Battiston, Bruna Bertucci, William J. Burger, Maria Ionica, Paolo Zuccon, Gianluca Cavoto, Roberta Santacesaria, Paolo Valente, Erik Vallazza, Alexander G. Afonin, Vladimir T. Baranov, Yury A. Chesnokov, Vladilen I. Kotov, Vladimir A. Maisheev, Igor A. Yazynin, Sergey V. Afanasiev, Alexander D. Kovalenko, Alexander M. Taratin, Alexander S. Denisov, Yury A. Gavrikov, Yuri M. Ivanov, Vladimir G. Ivochkin, Sergey V. Kosyanenko, Anatoli A. Petrunin, Vyacheslav V. Skorobogatov, Vsevolod M. Suvorov, Davide Bolognini, Luca Foggetta, Said Hasan, and Michela Prest

Subjects
Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract

This paper presents a detailed study of the deflection phenomena of a 400 GeV/c proton beam impinging on a new generation of bent silicon crystals; the tests have been performed at the CERN Super Proton Synchrotron H8 beam line. Channeling and volume reflection angles are measured with an extremely precise goniometer and with high resolution silicon microstrip detectors. Volume reflection has been observed and measured for the first time at this energy, with a single-pass efficiency as large as 98%, in good agreement with the simulation results. This efficiency makes volume reflection a possible candidate for collimation with bent crystals at the CERN Large Hadron Collider.

Published
2008
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2. Deflection of400 GeV/cproton beam with bent silicon crystals at the CERN Super Proton Synchrotron

Author

Davide Bolognini, D. De Salvador, A. A. Petrunin, S. Afanasiev, Alexander M. Taratin, Paolo Valente, Roberto Battiston, Yuri M. Ivanov, Maria Ionica, Stefano Baricordi, Yury A. Chesnokov, A. G. Afonin, Paolo Zuccon, Giovanni Ambrosi, V. A. Maisheev, Andrea Mazzolari, Vladilen I. Kotov, Massimiliano Fiorini, Vladimir G. Ivochkin, B. Bertucci, Philipp Azzarello, Yury A. Gavrikov, Walter Scandale, E. Milan, William J. Burger, E. Vallazza, L. Foggetta, Riccardo Milan, M. Prest, Alberto Carnera, Vyacheslav V. Skorobogatov, V.M. Suvorov, Pietro Dalpiaz, A.S. Denisov, S. Hasan, I.A. Yazynin, Vladimir T. Baranov, Vincenzo Guidi, Sergey V. Kosyanenko, G. Cavoto, Alberto Vomiero, Gianantonio Della Mea, Giuliano Martinelli, Alexander Kovalenko, and Roberta Santacesaria

Subjects
Physics, Nuclear and High Energy Physics, Large Hadron Collider, Physics and Astronomy (miscellaneous), Silicon, Physics::Instrumentation and Detectors, Bent molecular geometry, chemistry.chemical_element, Surfaces and Interfaces, Super Proton Synchrotron, Collimated light, Nuclear physics, Experimental physics, Beamline, chemistry, Goniometer, Physics::Accelerator Physics, High Energy Physics::Experiment, Nuclear Experiment
Abstract

This paper presents a detailed study of the deflection phenomena of a $400\text{ }\text{ }\mathrm{GeV}/c$ proton beam impinging on a new generation of bent silicon crystals; the tests have been performed at the CERN Super Proton Synchrotron H8 beam line. Channeling and volume reflection angles are measured with an extremely precise goniometer and with high resolution silicon microstrip detectors. Volume reflection has been observed and measured for the first time at this energy, with a single-pass efficiency as large as 98%, in good agreement with the simulation results. This efficiency makes volume reflection a possible candidate for collimation with bent crystals at the CERN Large Hadron Collider.

Published
2008

3. Deflection of 400GeV/c proton beam with bent silicon crystals at the CERN Super Proton Synchrotron

Author

Walter Scandale, Alberto Carnera, Gianantonio Della Mea, Davide De Salvador, Riccardo Milan, Alberto Vomiero, Stefano Baricordi, Pietro Dalpiaz, Massimiliano Fiorini, Vincenzo Guidi, Giuliano Martinelli, Andrea Mazzolari, Emiliano Milan, Giovanni Ambrosi, Philipp Azzarello, Roberto Battiston, Bruna Bertucci, William J. Burger, Maria Ionica, Paolo Zuccon, Gianluca Cavoto, Roberta Santacesaria, Paolo Valente, Erik Vallazza, Alexander G. Afonin, Vladimir T. Baranov, Yury A. Chesnokov, Vladilen I. Kotov, Vladimir A. Maisheev, Igor A. Yazynin, Sergey V. Afanasiev, Alexander D. Kovalenko, Alexander M. Taratin, Alexander S. Denisov, Yury A. Gavrikov, Yuri M. Ivanov, Vladimir G. Ivochkin, Sergey V. Kosyanenko, Anatoli A. Petrunin, Vyacheslav V. Skorobogatov, Vsevolod M. Suvorov, Davide Bolognini, Luca Foggetta, Said Hasan, and Michela Prest

Subjects
Physics::Instrumentation and Detectors, lcsh:QC770-798, Physics::Accelerator Physics, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, High Energy Physics::Experiment, Nuclear Experiment, Accelerators and Storage Rings, Physics and Astronomy (all), Surfaces and Interfaces, Nuclear and High Energy Physics
Abstract

This paper presents a detailed study of the deflection phenomena of a 400 GeV/c proton beam impinging on a new generation of bent silicon crystals; the tests have been performed at the CERN Super Proton Synchrotron H8 beam line. Channeling and volume reflection angles are measured with an extremely precise goniometer and with high resolution silicon microstrip detectors. Volume reflection has been observed and measured for the first time at this energy, with a single-pass efficiency as large as 98%, in good agreement with the simulation results. This efficiency makes volume reflection a possible candidate for collimation with bent crystals at the CERN Large Hadron Collider.

Published
2008

4. Double volume reflection of a proton beam by a sequence of two bent crystals

Author

P. Azzarello, Paolo Zuccon, Andrea Mazzolari, William J. Burger, V. A. Maisheev, E. Milan, Davide Bolognini, A. A. Petrunin, D. De Salvador, Massimiliano Fiorini, Vladimir T. Baranov, B. Bertucci, Yuri M. Ivanov, Roberto Battiston, Vladilen I. Kotov, Vladimir G. Ivochkin, Alexander M. Taratin, Paolo Valente, L. Foggetta, Riccardo Milan, Stefano Baricordi, M. Prest, Pietro Dalpiaz, Alberto Carnera, L.P. Lapina, Maria Ionica, S. Hasan, Vyacheslav V. Skorobogatov, I.A. Yazynin, A.S. Denisov, Vincenzo Guidi, V.M. Suvorov, Alexander Kovalenko, Gianantonio Della Mea, Alberto Vomiero, A. G. Afonin, S. Afanasiev, Giovanni Ambrosi, Giuliano Martinelli, Walter Scandale, G. Cavoto, E. Vallazza, Roberta Santacesaria, Yury A. Gavrikov, Yury A. Chesnokov, and Sergey V. Kosyanenko

Subjects
Nuclear and High Energy Physics, Silicon, Proton, Physics::Instrumentation and Detectors, Bent molecular geometry, Nuclear Theory, chemistry.chemical_element, law.invention, Nuclear physics, Bent silicon crystal, law, collimation, CERN, proton, Nuclear Experiment, Physics, Large Hadron Collider, Collimator, Experimental physics, Reflection (mathematics), chemistry, Physics::Accelerator Physics, High Energy Physics::Experiment, Atomic physics, Beam (structure)
Abstract

The doubling of the angle of beam deflection due to volume reflection of protons by a sequence of two bent silicon crystals was experimentally observed at the 400 GeV proton beam of the CERN SPS. A similar sequence of short bent crystals can be used as an efficient primary collimator for the Large Hadron Collider.

Published
2008

5. Apparatus to study crystal channeling and volume reflection phenomena at the SPS H8 beamline

Author

E. Milan, Yuri M. Ivanov, A. A. Petrunin, Yury A. Gavrikov, Stefano Chiozzi, Peter M. Levtchenko, L. Foggetta, Paolo Zuccon, I.A. Yazynin, Stefano Baricordi, M. Prest, Giovanni Ambrosi, Riccardo Milan, Alberto Carnera, Vyacheslav V. Skorobogatov, Vincenzo Guidi, Roberto Battiston, Alexander Kovalenko, V.M. Suvorov, Alberto Vomiero, Maria Ionica, Philipp Azzarello, V. A. Maisheev, Alexander M. Taratin, Paolo Valente, G. Cavoto, William J. Burger, L.P. Lapina, Massimiliano Fiorini, Chiara Damiani, B. Bertucci, Davide Bolognini, D. De Salvador, Roberta Santacesaria, S. Hasan, Ilias Efthymiopoulos, A. G. Afonin, Nikolai F. Bondar, Gianantonio Della Mea, Giuliano Martinelli, D. Still, Sergey V. Kosyanenko, Yury A. Chesnokov, Andrea Mazzolari, Pietro Dalpiaz, A.S. Denisov, Vladimir T. Baranov, Vladilen I. Kotov, Vladimir G. Ivochkin, Walter Scandale, E. Vallazza, and S. Afanasiev

Subjects
Physics, Silicon, Physics::Instrumentation and Detectors, business.industry, collimation, Bent molecular geometry, chemistry.chemical_element, Bent crystal, tracking, Monocrystalline silicon, Crystal, Optics, chemistry, Beamline, Goniometer, Reflection (physics), Physics::Accelerator Physics, business, Instrumentation, Beam (structure)
Abstract

A high performance apparatus has been designed and built by the H8-RD22 collaboration for the study of channeling and volume reflection phenomena in the interaction of 400 GeV/c protons with bent silicon crystals, during the 2006 data taking in the external beamline H8 of the CERN SPS. High-quality silicon short crystals were bent by either anticlastic or quasimosaic effects. Alignment with the highly parallel (8 murad divergence) proton beam was guaranteed through a submicroradian goniometric system equipped with both rotational and translational stages. Particle tracking was possible by a series of silicon microstrip detectors with high-resolution and a parallel plate gas chamber, triggered by various scintillating detectors located along the beamline. Experimental observation of volume reflection with 400 GeV/c protons proved true with a deflection angle of (10.4+/-0.5) murad with respect to the unperturbed beam, with a silicon crystal whose (111) planes were parallel to the beam.

Published
2008

6. Experimental apparatus to study crystal channeling in an external SPS beamline

Author

S. Afanasiev, Alexander M. Taratin, Paolo Valente, Yury A. Gavrikov, Riccardo Milan, Vyacheslav V. Skorobogatov, Stefano Baricordi, Andrea Mazzolari, S. Hasan, A. A. Petrunin, Pietro Dalpiaz, R. Santacesaria, Walter Scandale, V.M. Suvorov, Davide Bolognini, E. Vallazza, D. De Salvador, Maria Ionica, A.S. Denisov, Yu. A. Chesnokov, E. Milan, Yuri M. Ivanov, Vladimir T. Baranov, Giovanni Ambrosi, Massimiliano Fiorini, B. Bertucci, Roberto Battiston, Vladilen I. Kotov, Vladimir G. Ivochkin, Igor A. Yaznin, M. Prest, Alberto Carnera, Luca Gennaro Foggetta, D. Still, Sergey V. Kosyanenko, Vincenzo Guidi, Alberto Vomiero, A. G. Afonin, Alexander Kovalenko, V. A. Maisheev, Gianantonio Della Mea, Paolo Zuccon, Philipp Azzarello, William J. Burger, G. Cavoto, and Giuliano Martinelli

Subjects
Physics, Large Hadron Collider, Physics::Instrumentation and Detectors, business.industry, Optical engineering, Collimated light, law.invention, Telescope, Optics, Beamline, law, Goniometer, Halo, business, Phenomenology (particle physics)
Abstract

For the new generation of high intensity hadronic machines as, for instance, LHC, halo collimation is a necessary issue for the accelerator to operate at the highest possible luminosity and to prevent the damage of superconductor magnets. We propose an experiment aimed to systematic study of the channeling phenomenology and of the newly observed "volume reflection" effect. This experiment will be performed for an external SPS beamline and will make use of a primary proton beam with 400 GeV/c momentum and very small (∼ 3 μ rad) divergence. The advantage of a proposed experiment is precise tracking of particles that interacted with a crystal, so that to determine the single-pass effciency for all the processes involved. For this purpose, a telescope equipped with high-resolution silicon microstrip detectors will be used. New generation silicon crystals and an extra-precise goniometer are mandatory issues. Main goal of the experiment is to get the precise information on channeling of relativistic particles and, ultimately, on the feasibility of such technique for halo collimation at LHC. In this contribution we review the status of the setting-up of experimental apparatus and its future development in sight of the planned run in September 2006.© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Published
2007

7. High-efficiency volume reflection of an ultrarelativistic proton beam with a bent silicon crystal

Author

Roberto Battiston, Giovanni Ambrosi, Maria Ionica, E. Milan, Paolo Zuccon, Stefano Baricordi, Roberta Santacesaria, Riccardo Milan, Alexander M. Taratin, Vyacheslav V. Skorobogatov, Andrea Mazzolari, E. Vallazza, Paolo Valente, G. Cavoto, A. A. Petrunin, Philipp Azzarello, Massimiliano Fiorini, Alexander Kovalenko, Giuliano Martinelli, Yuri M. Ivanov, Yury A. Gavrikov, Vladilen I. Kotov, Vladimir G. Ivochkin, L. Foggetta, Yury A. Chesnokov, William J. Burger, Walter Scandale, Davide Bolognini, M. Prest, D. De Salvador, Igor A. Yaznin, Alberto Carnera, Gianantonio Della Mea, D. Still, A. G. Afonin, Sergey V. Kosyanenko, Vincenzo Guidi, Alberto Vomiero, Vladimir T. Baranov, B. Bertucci, S. Hasan, Sergey V. Afansiev, Pietro Dalpiaz, A.S. Denisov, V.M. Suvorov, and V. A. Maisheev

Subjects
Proton, Physics::Instrumentation and Detectors, General Physics and Astronomy, law.invention, Monocrystalline silicon, Nuclear physics, Physics and Astronomy (all), law, Bent crystals, collimation, hadron colliders, Nuclear Experiment, Physics, Large Hadron Collider, volume reflection, ultrarelativistic beam deflection, Accelerators and Storage Rings, Super Proton Synchrotron, Synchrotron, Experimental physics, Reflection (mathematics), Physics::Accelerator Physics, High Energy Physics::Experiment, Beam (structure)
Abstract

The volume reflection phenomenon was detected while investigating 400 GeV proton interactions with bent silicon crystals in the external beam H8 of the CERN Super Proton Synchrotron. Such a process was observed for a wide interval of crystal orientations relative to the beam axis, and its efficiency exceeds 95%, thereby surpassing any previously observed value. These observations suggest new perspectives for the manipulation of high-energy beams, e.g., for collimation and extraction in new-generation hadron colliders, such as the CERN Large Hadron Collider.

Published
2006

8. Erratum to: 'Double volume reflection of a proton beam by a sequence of two bent crystals' [Phys. Lett. B 658 (2008) 109]

Author

Yury A. Chesnokov, Vincenzo Guidi, V. A. Maisheev, Roberta Santacesaria, Alberto Vomiero, Maria Ionica, Sergey V. Kosyanenko, Paolo Zuccon, P. Azzarello, Riccardo Milan, Davide Bolognini, D. De Salvador, Stefano Baricordi, Gianantonio Della Mea, Luca Gennaro Foggetta, Vyacheslav V. Skorobogatov, Walter Scandale, E. Vallazza, L.P. Lapina, William J. Burger, Alexander M. Taratin, Paolo Valente, S. Hasan, S. Afanasiev, E. Milan, Massimiliano Fiorini, B. Bertucci, Vladimir T. Baranov, G. Cavoto, Yuri M. Ivanov, Yury A. Gavrikov, A. G. Afonin, Vladilen I. Kotov, Vladimir G. Ivochkin, Pietro Dalpiaz, I.A. Yazynin, V.M. Suvorov, Giuliano Martinelli, M. Prest, A.S. Denisov, Alexander Kovalenko, Alberto Carnera, Giovanni Ambrosi, A. A. Petrunin, Roberto Battiston, and Andrea Mazzolari

Subjects
Physics, Nuclear and High Energy Physics, Reflection (mathematics), Proton, Volume (thermodynamics), Bent molecular geometry, Atomic physics, Beam (structure), Sequence (medicine)
Abstract

Erratum to : "Double volume reflection of a proton beam by a sequence of two bent crystals" [Phys. Lett. B 658 (2008) 109] (DOI:10.1016/j.physletb.2007.10.070)

Published
2008

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