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https://www.um.edu.mt/library/oar/handle/123456789/26982| Title: | Observation of channeling for 6500 GeV/c protons in the crystal assisted collimation setup for LHC |
| Authors: | Scandale, Walter Arduini, Gianluigi Butcher, Mark Cerutti, Francesco Garattini, M. Gilardoni, Simone S. Lechner, Anton Losito, Roberto Masi, Alessandro Mirarchi, Daniele Montesano, Simone Redaelli, Stefano Rossi, Roberto Schoofs, Philippe Smirnov, Gennady N. Valentino, Gianluca Breton, Dominique Burmistrov, L. Chaumat, Vincent Dubos, S. Maalmi, Jihane Puill, Veronique Stocchi, Achille Bagli, Enrico Bandiera, Laura Germogli, G. Guidi, Vincenzo Mazzolari, Andrea |
| Keywords: | Colliders (Nuclear physics) Large Hadron Collider (France and Switzerland) Particle accelerators |
| Issue Date: | 2016 |
| Publisher: | Elsevier |
| Citation: | Scandale, W., Arduini, G., Butcher, M., Cerutti, F., Garattini, M., Gilardoni, S.,... Raymond, M. (2016). Observation of channeling for 6500 GeV/c protons in the crystal assisted collimation setup for LHC. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 758, 129-133. |
| Abstract: | Two high-accuracy goniometers equipped with two bent silicon crystals were installed in the betatron cleaning insertion of the CERN Large Hadron Collider (LHC) during its long shutdown. First beam tests were recently performed at the LHC with 450 GeV/c and 6500 GeV/c stored proton beams to investigate the feasibility of beam halo collimation assisted by bent crystals. For the first time channeling of 6500 GeV/c protons was observed in a particle accelerator. A strong reduction of beam losses due to nuclear inelastic interactions in the aligned crystal in comparison with its amorphous orientation was detected. The loss reduction value was about 24. Thus, the results show that deflection of particles by a bent crystal due to channeling is effective for this record particle energy. |
| URI: | https://www.um.edu.mt/library/oar//handle/123456789/26982 |
| Appears in Collections: | Scholarly Works - FacICTCCE |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Observation_of_channeling_for_6500_GeVc_protons_in_the_crystal_assisted_collimation_2016.pdf | 629.53 kB | Adobe PDF | View/Open |
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