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CERN Document Server 41 ჩანაწერია ნაპოვნი  1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.56 წამი. 
1.
Dechanneling of high energy particles in a long bent crystal / Scandale, W (CERN) ; Arduini, G (CERN) ; Cerutti, F (CERN) ; Garattini, M (CERN ; Imperial Coll., London) ; Gilardoni, S (CERN) ; Lechner, A (CERN) ; Losito, R (CERN) ; Masi, A (CERN) ; Mirarchi, D (CERN) ; Montesano, S (CERN) et al.
Experimental results on deflection of a 180 GeV/c π+-meson beam by a 23 mm long bent silicon crystal are analyzed to study the dechanneling process of particles due to multiple scattering. A new approach for the determination of contributions from atomic nuclei and electrons to the multiple scattering using the experimental data for random crystal orientations is suggested. [...]
2019 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 438 (2019) 38-41
2.
Feasibility of crystal-assisted collimation in the CERN accelerator complex / UA9 Collaboration
Bent silicon crystals mounted on high-accuracy angular actuators were installed in the CERN Super Proton Synchrotron (SPS) and extensively tested to assess the feasibility of crystal-assisted collimation in circular hadron colliders. The adopted layout was exploited and regularly upgraded for about a decade by the UA9 Collaboration. [...]
2022 - 108 p. - Published in : Int. J. Mod. Phys. A 37 (2022) 2230004 Fulltext from Publisher: PDF;
3.
Channeling and Radiation Experiments at SLAC / SLAC T513-E212-T523 Collaboration
Since 2014, a SLAC-Aarhus-Ferrara-CalPoly collaboration augmented by members of ANL and MIT has performed electron and positron channeling experiments using bent silicon crystals at the SLAC End Station A Test Beam as well as the FACET accelerator test facility. These experiments have revealed a remarkable channeling efficiency of about 24% under our conditions. [...]
2019 - 9 p. - Published in : Int. J. Mod. Phys. A 34 (2019) 1943006
- Published in : (2020) , pp. 79-87
In : Beam Acceleration in Crystals and Nanostructures: Proceedings of the Workshop, Batavia, IL, USA, 24 - 25 Jun 2019, pp.1943006
4.
Focusing of a particle beam by a crystal device with a short focal length / Scandale, W (CERN) ; Arduini, G (CERN) ; Cerutti, F (CERN) ; Garattini, M (CERN) ; Gilardoni, S (CERN) ; Masi, A (CERN) ; Mirarchi, D (CERN) ; Montesano, S (CERN) ; Petrucci, S (CERN) ; Redaelli, S (CERN) et al.
Recent discussions about accelerators in high energy physics identified several challenges for the future, where it is necessary to focus particle beams over a distance of a few cm. In this paper, we investigate the focusing of particles by a new crystal device having such a capability. [...]
2018 - 3 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 414 (2018) 104-106
5.
Observation of strong reduction of multiple scattering for channeled particles in bent crystals / Scandale, W (CERN) ; Arduini, G (CERN) ; Cerutti, F (CERN) ; Garattini, M ; Gilardoni, S (CERN) ; Losito, R (CERN) ; Masi, A (CERN) ; Mirarchi, D (CERN) ; Montesano, S (CERN) ; Redaelli, S (CERN) et al.
Strong reduction of multiple scattering for channeled particles has been observed in an experiment on the deflection of a 180 GeV/c π+ -meson beam by bent silicon crystals. The RMS deflections due to multiple scattering for the channeled particles were about six times smaller than for non-channeled ones. [...]
2020 - 4 p. - Published in : Phys. Lett. B 804 (2020) 135396 Fulltext from publisher: PDF;
6.
The experimental setup of the Interaction in Crystals for Emission of RADiation collaboration at Mainzer Mikrotron: Design, commissioning, and tests / Lietti, D (Insubria U., Como) ; Backe, H (Mainz U., Inst. Kernphys.) ; Bagli, E (Ferrara U. ; INFN, Ferrara) ; Bandiera, L (Ferrara U. ; INFN, Ferrara) ; Berra, A (Insubria U., Como ; INFN, Milan Bicocca) ; Carturan, S (Padua U. ; INFN, Legnaro) ; De Salvador, D (Padua U. ; INFN, Legnaro) ; Germogli, G (Ferrara U. ; INFN, Ferrara) ; Guidi, V (Ferrara U. ; INFN, Ferrara) ; Lauth, W (Mainz U., Inst. Kernphys.) et al.
Silicon/germanium flat/bent crystals are thin devices able to efficiently deflect charged particle GeV-energy beams up to a few hundreds of μrad; moreover, high intensity photons can be efficiently produced in the so-called Multi-Volume Reflection (MVR) and Multiple Volume Reflections in One Crystal (MVROC) conditions. In the last years, the research interest in this field has moved to the dynamic studies of light negative leptons in the low energy range: the possibility to deflect negative particles and to produce high intensity γ sources via the coherent interactions with crystals in the sub-GeV energy range has been proved by the ICE-RAD (Interaction in Crystals for Emission of RADiation) Collaboration at the MAinzer MIkrotron (MAMI, Germany). [...]
AIP, 2015 - 10 p. - Published in : Rev. Sci. Instrum. 86 (2015) 045102
7.
Beam steering performance of bent silicon crystals irradiated with high-intensity and high-energy protons / Scandale, W (CERN) ; Calviani, M (CERN) ; D'Andrea, M (CERN) ; Esposito, L S (CERN) ; Garattini, Marco (CERN ; Imperial Coll., London) ; Gilardoni, S (CERN) ; Montesano, S (CERN) ; Natochii, A (CERN ; Orsay, LAL ; Taras Shevchenko U.) ; Rossi, R (CERN) ; Smirnov, G I (CERN ; Dubna, JINR) et al.
Beam steering performance of bent silicon crystals irradiated with high-intensity and high-energy protons has been studied. In particular, crystals of the type used for collimation and extraction purposes in the Large Hadron Collider and the Super Proton Synchrotron at CERN have been irradiated at the HiRadMat CERN facility with 2.5×1013 440 GeV/c protons, with a pulse length of 7.2 \upmus. [...]
2019 - 5 p. - Published in : Eur. Phys. J. C 79 (2019) 933 Fulltext from SCOAP3: PDF;
8.
Focusing of 180 GeV/c pions from a point-like source into a parallel beam by a bent silicon crystal / Scandale, W (CERN) ; Arduini, G (CERN) ; Cerutti, F (CERN) ; Garattini, M (CERN ; Imperial Coll., London) ; Gilardoni, S (CERN) ; Lechner, A (CERN) ; Losito, R (CERN) ; Masi, A (CERN) ; Mirarchi, D (CERN) ; Montesano, S (CERN) et al.
At large accelerators, bent crystals are employed to deflect weakly divergent proton beams at the stages of extraction and collimation. We demonstrate that a divergent particle beam may be efficiently deflected using a crystal with a focusing entry face. [...]
2019 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 446 (2019) 15-18
9.
Comprehensive study of beam focusing by crystal devices / Scandale, W (CERN) ; Arduini, G (CERN) ; Cerutti, F (CERN) ; Garattini, M (CERN) ; Gilardoni, S (CERN) ; Masi, A (CERN) ; Mirarchi, D (CERN) ; Montesano, S (CERN) ; Petrucci, S (CERN) ; Redaelli, S (CERN) et al.
This paper is devoted to an experimental study of focusing and defocusing positively charged particle beams with the help of specially bent single crystals. Four crystals have been fabricated for this purpose. [...]
2018 - 11 p. - Published in : Phys. Rev. Accel. Beams 21 (2018) 014702 Fulltext: PDF;
10.
Study of inelastic nuclear interactions of 400 GeV/c protons in bent silicon crystals for beam steering purposes / Scandale, W (CERN) ; Andrisani, F (CERN) ; Arduini, G (CERN) ; Cerutti, F (CERN) ; Garattini, M (CERN ; Imperial Coll., London) ; Gilardoni, S (CERN) ; Masi, A (CERN) ; Mirarchi, D (CERN) ; Montesano, S (CERN) ; Petrucci, S (CERN) et al.
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)). [...]
2018 - 8 p. - Published in : Eur. Phys. J. C 78 (2018) 505 Fulltext: PDF;

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7 Bagli, E.
4 Bagli, Enrico
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