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CERN Document Server 找到 33 笔记录  1 - 10下一个最後  跳到记录: 检索需时 0.79 秒. 
1.
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;
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2.
Measurement of the dechanneling length for high-energy negative pions / Scandale, W (CERN) ; Afonin, A.G (Serpukhov, IHEP) ; Bagli, E (INFN, Ferrara ; Ferrara U.) ; Bandiera, L (INFN, Ferrara ; Ferrara U.) ; Bolognini, D (Insubria U., Como ; INFN, Milan Bicocca) ; Chesnokov, Yu.A (Serpukhov, IHEP) ; Dalpiaz, P (INFN, Ferrara ; Ferrara U.) ; Della Mea, G (Trento U.) ; Denisov, A.S (St. Petersburg, INP) ; Fiorini, M (INFN, Ferrara ; Ferrara U.) et al.
We studied the dechanneling length of 150 GeV/c@p^- interacting with a short bent silicon crystal. Dechanneling length measures the rate and the strength of incoherent interactions of channeled particles in a crystal. [...]
2013 - 4 p. - Published in : Phys. Lett. B 719 (2013) 70-73
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3.
Observation of multiple volume reflection by different planes in one bent silicon crystal for high-energy negative particles / Scandale, W (CERN) ; Vomiero, A (INFM, Brescia) ; Bagli, E (Ferrara U. ; INFN, Ferrara) ; Baricordi, S (Ferrara U. ; INFN, Ferrara) ; Dalpiaz, P (Ferrara U. ; INFN, Ferrara) ; Fiorini, M (Ferrara U. ; INFN, Ferrara) ; Guidi, V (Ferrara U. ; INFN, Ferrara) ; Mazzolari, A (Ferrara U. ; INFN, Ferrara) ; Vincenzi, D (Ferrara U. ; INFN, Ferrara) ; Milan, R (INFN, Legnaro) et al.
Multiple volume reflection by different planes passing through the < 111 > axis in a bent silicon crystal was observed for the first time for 150 GeV/c negative particles, pi(-) mesons, at one of the secondary beams of the CERN SPS. The beam of pi(-) mesons was deflected opposite to the crystal bend by an angle of about 48 mu rad, which is 4.6 times larger than in a single volume reflection by the (110) bent planes [...]
2011 - Published in : Europhys. Lett 93 (2011) 56002
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4.
Observation of parametric X-rays produced by 400 GeV/c protons in bent crystals / Scandale, W (Orsay, LAL ; CERN) ; Arduini, G (CERN) ; Assmann, R (CERN) ; Cerutti, F (CERN) ; Gilardoni, S (CERN) ; Christiansen, J (CERN) ; Laface, E (CERN) ; Losito, R (CERN) ; Masi, A (CERN) ; Metral, E (CERN) et al.
Spectral maxima of parametric X-ray radiation (PXR) produced by 400 GeV/c protons in bent silicon crystals aligned with the beam have been observed in an experiment at the H8 external beam of the CERN SPS. The total yield of PXR photons was about 10(-6) per proton. [...]
2011 - Published in : Phys. Lett. B 701 (2011) 180-185
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5.
Comparative results on collimation of the SPS beam of protons and Pb ions with bent crystals / Scandale, W. (INFN, Rome ; Orsay, LAL ; CERN) ; Arduini, G. (CERN) ; Assmann, R. (CERN) ; Bracco, C. (CERN) ; Cerutti, F. (CERN) ; Christiansen, J. (CERN) ; Gilardoni, S. (CERN) ; Laface, E. (CERN) ; Losito, R. (CERN) ; Masi, A. (CERN) et al.
New experiments on crystal assisted collimation have been carried out at the CERN SPS with stored beams of 120 Gev/c protons and Pb ions. Bent silicon crystals of 2 mm long with about 170 mu rad bend angle and a small residual torsion were used as primary collimators. [...]
2011 - Published in : Phys. Lett. B 703 (2011) 547-551
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6.
The UA9 experimental layout / Scandale, W. (CERN ; Orsay, LAL ; INFN, Rome) ; Arduini, G. (CERN) ; Assmann, R. (CERN) ; Bracco, C. (CERN) ; Cerutti, F. (CERN) ; Christiansen, J. (CERN) ; Gilardoni, S. (CERN) ; Laface, E. (CERN) ; Losito, R. (CERN) ; Masi, A. (CERN) et al.
The UA9 experimental equipment was installed in the CERN-SPS in March '09 with the aim of investigating crystal assisted collimation in coasting mode. Its basic layout comprises silicon bent crystals acting as primary collimators mounted inside two vacuum vessels. [...]
arXiv:1106.5861; SLAC-PUB-15015.- 2011 - 15 p. Fulltext: PDF; IOP Open Access article: PDF; External link: SLAC Document Server
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7.
Deflection of high-energy negative particles in a bent crystal through axial channeling and multiple volume reflection stimulated by doughnut scattering / Taratin, AM (Joint Inst Nucl Res, Joliot Curie 6, Dubna 141980, Moscow Region, Russia.) ; Malyarenko, L G (Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.) ; Chesnokov, Yu A (Inst High Energy Phys, RU-142284 Protvino, Russia.) ; Denisov, A S (Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.) ; Dalpiaz, P (Univ Ferrara, Dipartimento Fis, INFN Sez Ferrara, I-44100 Ferrara, Italy.) ; Bagli, E (Univ Ferrara, Dipartimento Fis, INFN Sez Ferrara, I-44100 Ferrara, Italy.) ; Taratin, A M (Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia.) ; Lapina, L P (Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.) ; Vavilov, S A (Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.) ; Fiorini, M (Univ Ferrara, Dipartimento Fis, INFN Sez Ferrara, I-44100 Ferrara, Italy.) et al.
Different kinds of deflection in a silicon crystal bent along the (111) axis was observed for 150 GeV/c negative particles. mainly pi(-) mesons, at one of the secondary beams of the CERN SPS. [...]
2010 - Published in : Phys. Lett. B 693 (2010) 545-550
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8.
First results on the SPS beam collimation with bent crystals / Scandale, W (CERN) ; Arduini, G (CERN) ; Assmann, R (CERN) ; Bracco, C (CERN) ; Gilardoni, S (CERN) ; Ippolito, V (CERN) ; Laface, E (CERN) ; Losito, R (CERN) ; Masi, A (CERN) ; Metral, E (CERN) et al.
2010 - 5 p. - Published in : Phys. Lett. B 692 (2010) 78-82
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9.
Probability of inelastic nuclear interactions of high-energy protons in a bent crystal / Scandale, W (CERN) ; Losito, R (CERN) ; Silari, M (CERN) ; Bagli, E (INFN, Ferrara ; Ferrara U.) ; Baricordi, S (INFN, Ferrara ; Ferrara U.) ; Dalpiaz, P (INFN, Ferrara ; Ferrara U.) ; Fiorini, M (INFN, Ferrara ; Ferrara U.) ; Guidi, V (INFN, Ferrara ; Ferrara U.) ; Mazzolari, A (INFN, Ferrara ; Ferrara U.) ; Vincenzi, D (INFN, Ferrara ; Ferrara U.) et al.
2010 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 268 (2010) 2655-2659
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10.
Manipulation of Negatively Charged Beams via Coherent Effects in Bent Crystals / Scandale, Walter (CERN) ; Guidi, Vincenzo (INFN, Ferrara) ; Bagli, Enrico (INFN, Ferrara) ; Mazzolari, Andrea (INFN, Ferrara) ; Afonin, Alexander (Serpukhov, IHEP) ; Chesnokov, Yuri (Serpukhov, IHEP) ; Maisheev, Vladimir (Serpukhov, IHEP) ; Yazynin, Igor (Serpukhov, IHEP) ; Baricordi, Stefano (Ferrara U.) ; Dalpiaz, Pietro (Ferrara U.) et al.
We review the experimental evidences we recorded with volume reflection and planar and axial channelings with negatively charged particles beam. High deflection efficiency was observed in all cases [...]
2010 External link: Published version from JACoW
In : 1st International Particle Accelerator Conference, Kyoto, Japan, 23 - 28 May 2010, pp.THPD052
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