Feasibility of crystal-assisted collimation in the CERN accelerator complex

W Scandale, G Arduini, R Assmann… - … Journal of Modern …, 2022 - World Scientific
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 …

Channeling and volume reflection of high-energy charged particles in short bent crystals. Crystal assisted collimation of the accelerator beam halo

W Scandale, AM Taratin - Physics Reports, 2019 - Elsevier
The experimental studies of high-energy charged particle deflection due to planar and axial
channeling as well as volume reflection and multi volume reflections in short bent crystals at …

[HTML][HTML] Observation of channeling for 6500 GeV/c protons in the crystal assisted collimation setup for LHC

W Scandale, G Arduini, M Butcher, F Cerutti… - Physics Letters B, 2016 - Elsevier
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 …

Electromagnetic dipole moments of charged baryons with bent crystals at the LHC

E Bagli, L Bandiera, G Cavoto, V Guidi, L Henry… - The European Physical …, 2017 - Springer
We propose a unique program of measurements of electric and magnetic dipole moments of
charm, beauty and strange charged baryons at the LHC, based on the phenomenon of spin …

Power deposition studies for standard and crystal-assisted heavy ion collimation in the CERN Large Hadron Collider

JB Potoine, R Bruce, R Cai, F Cerutti, M D'andrea… - … Review Accelerators and …, 2023 - APS
The LHC heavy-ion program with Pb 208 82+ beams will benefit from a significant increase
of the beam intensity when entering its high-luminosity era in Run 3 (2023). The stored …

Beam cleaning and collimation systems

S Redaelli - arXiv preprint arXiv:1608.03159, 2016 - arxiv.org
Collimation systems in particle accelerators are designed to dispose of unavoidable losses
safely and efficiently during beam operation. Different roles are required for different types of …

Investigation on radiation generated by sub-GeV electrons in ultrashort silicon and germanium bent crystals

L Bandiera, A Sytov, D De Salvador… - The European Physical …, 2021 - Springer
We report on the measurements of the spectra of gamma radiation generated by 855 MeV
electrons in bent silicon and germanium crystals at MAMI (MAinzer MIkrotron). The crystals …

[PDF][PDF] Design and implementation of a crystal collimation test stand at the Large Hadron Collider

D Mirarchi, G Hall, S Redaelli, W Scandale - The European Physical …, 2017 - Springer
Future upgrades of the CERN Large Hadron Collider (LHC) demand improved cleaning
performance of its collimation system. Very efficient collimation is required during regular …

Operational performance of crystal collimation with 6.37 TeV Pb ion beams at the LHC

M D'Andrea, O Aberle, R Bruce, M Butcher… - … Review Accelerators and …, 2024 - APS
The concept of crystal collimation relies on the use of bent crystals to coherently deflect
positively charged particles with suitable impact conditions by trapping them in the potential …

[HTML][HTML] Mirroring of 400 GeV/c protons by an ultra-thin straight crystal

W Scandale, G Arduini, M Butcher, F Cerutti… - Physics Letters B, 2014 - Elsevier
Channeling is the confinement of the trajectory of a charged particle in a crystalline solid.
Positively charged particles channeled between crystal planes oscillate with a certain …