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CERN Document Server 找到 66 笔记录  1 - 10下一个最後  跳到记录: 检索需时 0.56 秒. 
1.
Multiple scattering of positively charged particles moving near the (111) plane in a silicon single crystal / Scandale, W (Imperial Coll., London) ; Cerutti, F (CERN) ; Esposito, L S (CERN) ; Garattini, M (CERN) ; Gilardoni, S (CERN) ; Losito, R (CERN) ; Masi, A (CERN) ; Mirarchi, D (CERN) ; Redaelli, S (CERN) ; Smirnov, G (CERN) et al.
The article is devoted to the study of the suppression of multiple scattering of positively charged particles with momenta of 180 GeV/c and 400 GeV/c passing through bent single crystals of silicon at small angles to the plane (111) both in channeling mode and in the above-barrier state. For the first time, the suppression of the effect of multiple scattering of non-channeling particles passing at a small angle to one of the planes of a silicon single crystal was observed. [...]
Germany : Springer Nature, 2024 - 6 p. - Published in : Eur. Phys. J. Plus 139 (2024) 1041
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2.
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 $\pi^+$-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
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3.
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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4.
Multiple scattering of channeled and non-channeled positively charged particles in bent monocrystalline silicon / Scandale, W. (CERN) ; Arduini, G. (CERN) ; Cerutti, F. (CERN) ; Esposito, L.S. (CERN) ; Garattini, M. (CERN) ; Gilardoni, S. (CERN) ; Losito, R. (CERN) ; Masi, A. (CERN) ; Mirarchi, D. (CERN) ; Montesano, S. (CERN) et al.
We present the results of an experimental study of multiple scattering of positively charged high energy particles in bent samples of monocrystalline silicon. This work confirms the recently discovered effect of a strong reduction in the rms multiple scattering angle of particles channeled in the silicon (111) plane. [...]
arXiv:2201.09655.- 2022-07-14 - 18 p. - Published in : Eur. Phys. J. Plus 137 (2022) 811 Fulltext: PDF;
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5.
Channeling efficiency reduction in high dose neutron irradiated silicon crystals for high energy and high intensity beam collimation and extraction / Scandale, W (CERN) ; D'Andrea, M (CERN) ; Esposito, L S (CERN) ; Garattini, M (CERN ; Imperial Coll., London) ; Guillermain, E (CERN) ; Mirarchi, D (CERN) ; Montesano, S (CERN) ; Natochii, A (CERN ; Orsay, LAL) ; Rossi, R (CERN) ; I Smirnov, G (CERN ; Dubna, JINR) et al.
The channeling process in bent silicon crystals are used since '70s to manipulate beams of high energy particles. During the last decade, several studies and experiments carried out by the UA9 Collaboration at CERN demonstrated the possibility to use bent crystals for beam collimation, extraction, focusing and splitting in particle accelerators. [...]
2021 - 11 p. - Published in : JINST 16 (2021) P08015 Fulltext: PDF;
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6.
Muon detection in electron-positron annihilation for muon collider studies / LEMMA Collaboration
The investigation of the energy frontier in physics requires novel concepts for future colliders. The idea of a muon collider is very appealing since it would allow to study particle collisions at up to tens of TeV energy, while offering a cleaner experimental environment with respect to hadronic colliders. [...]
arXiv:2105.12624.- 2022-02-01 - 22 p. Fulltext: PDF;
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7.
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
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8.
LEMMA approach for the production of low-emittance muon beams / Amapane, N (U. Rome La Sapienza (main)) ; Antonelli, M (Frascati) ; Anulli, F (INFN, Rome) ; Ballerini, G (U. Rome La Sapienza (main)) ; Bandiera, L (INFN, Ferrara) ; Bartosik, N (INFN, Turin) ; Bertolin, A (INFN, Padua) ; Biino, C (INFN, Turin) ; Blanco-Garcia, O R (Frascati) ; Boscolo, M (Frascati) et al.
This work introduces an experimental test of the new proposal for a low–emittance muon accelerator (LEMMA). A low–emittance muon beam is obtained from the e$^+$ e$^-$ → μ$^+$ μ$^-$ annihilation process at the threshold energy of 45 GeV eliminating the need for a dedicated muon cooling system. [...]
Sif, 2020 - 7 p. - Published in : Nuovo Cimento C 42 (2020) 259
In : XXXIII Rencontres de Physique de La Vallée d'Aoste, La Thuile, Aosta Valley, Italy, 10 - 16 Mar 2019, pp.259
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9.
The UA9 setup for the double-crystal experiment in CERN-SPS / CERN UA 009 collaboration
Experiments to measure the electric and the magnetic moments of short-lived baryons using an internal target and two bent crystals in the vicinity of one of the existing LHC detectors were recently proposed, in the frame of the Physics Beyond Colliders Working Group at CERN. Investigating fixed-target physics in the LHC with in-vacuum solid targets is an unprecedented challenge. [...]
CERN-PBC-Notes-2021-022.- 2020 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 975 (2020) 164175
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10.
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;
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12 Iacoangeli, F.
10 Iacoangeli, Francesco
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