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1.
High energy beam impact tests on a LHC tertiary collimator at the CERN high-radiation to materials facility / Cauchi, Marija (CERN ; Malta U.) ; Aberle, O (CERN) ; Assmann, R W (CERN) ; Bertarelli, A (CERN) ; Carra, F (CERN) ; Cornelis, K (CERN) ; Dallocchio, A (CERN) ; Deboy, D (CERN) ; Lari, L (CERN) ; Redaelli, S (CERN) et al.
The correct functioning of a collimation system is crucial to safely operate highly energetic particle accelerators, such as the Large Hadron Collider (LHC). The requirements to handle high intensity beams can be demanding. [...]
2014 - 14 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 17 (2014) 021004 APS Open Access article: PDF;
2.
Thermomechanical response of Large Hadron Collider collimators to proton and ion beam impacts / Cauchi, Marija (CERN ; Malta U.) ; Assmann, R W (CERN) ; Bertarelli, A (CERN) ; Carra, F (CERN) ; Cerutti, F (CERN) ; Lari, L (CERN) ; Redaelli, S (CERN) ; Mollicone, P (Malta U.) ; Sammut, N (Malta U.)
The CERN Large Hadron Collider (LHC) is designed to accelerate and bring into collision high-energy protons as well as heavy ions. Accidents involving direct beam impacts on collimators can happen in both cases. [...]
2015 - 14 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 18 (2015) 041002 APS Open Access article: PDF;
3.
Thermomechanical assessment of the effects of a jaw-beam angle during beam impact on Large Hadron Collider collimators / Cauchi, Marija (CERN ; Malta U.) ; Assmann, R  W (CERN) ; Bertarelli, A (CERN) ; Carra, F (CERN) ; Lari, L (CERN) ; Rossi, A (CERN) ; Mollicone, P (Malta U.) ; Sammut, N (Malta U.)
The correct functioning of a collimation system is crucial to safely and successfully operate high-energy particle accelerators, such as the Large Hadron Collider (LHC). However, the requirements to handle high-intensity beams can be demanding, and accident scenarios must be well studied in order to assess if the collimator design is robust against possible error scenarios. [...]
2015 - 14 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 18 (2015) 021001 APS Open Access article: PDF;
4.
High Energy Beam Impact Tests on a LHC Tertiary Collimator at CERN HiRadMat Facility / Cauchi, M (CERN ; University of Malta, Msida, Malta) ; Aberle, O (CERN) ; Assmann, R (CERN) ; Bertarelli, A (CERN) ; Carra, F (CERN) ; Dallocchio, A (CERN) ; Deboy, D (CERN) ; Redaelli, S (CERN) ; Rossi, A (CERN) ; Salvachua, B (CERN) et al.
The correct functioning of the collimation system is crucial to safelyoperate the LHC. The requirements to handle high intensity beams can be demanding. [...]
CERN-ACC-2013-0051.- Geneva : CERN, 2013 - 3 p. Fulltext: PDF;
In : 4th International Particle Accelerator Conference, Shanghai, China, 12 - 17 May 2013, pp.954
5.
Vol. 32 - Thermo-Mechnical Studies of Large Hadron Collider Collimators in Accident Scenarios / Cauchi, Marija
CERN-ACC-2015-0144 - 2015. (EuCARD monograph ; 32)

Full text
6.
Preliminary thermo-mechanical analysis of angular beam impact on LHC collimators / Cauchi, M (CERN ; Malta U.) ; Assmann, R (CERN) ; Bertarelli, A (CERN) ; Carra, F (CERN) ; Dallocchio, A (CERN) ; Deboy, D (CERN) ; Mariani, N (CERN) ; Rossi, A (CERN) ; Lari, L (CERN ; Valencia U., IFIC) ; Mollicone, P (Malta U.) et al.
The correct functioning of the LHC Collimation System is crucial to attain the desired LHC luminosity performance. However, the requirements to handle high intensity beams can be demanding. [...]
CERN-ATS-2012-234.- Geneva : CERN, 2012 - 3 p. - Published in : Conf. Proc.: C1205201 (2012) , pp. MOPPD079
Fulltext: PDF; External link: Published version from JaCoW
In : 3rd International Particle Accelerator Conference, New Orleans, LA, USA, 20 - 25 May 2012, pp.550
7.
Preliminary assessment of beam impact consequences on LHC Collimators / Cauchi, M (Malta U. ; CERN) ; Assmann, R (CERN) ; Bertarelli, A (CERN) ; Bruce, R (CERN) ; Carra, F (CERN) ; Dallocchio, A (CERN) ; Deboy, D (CERN) ; Mariani, N (CERN) ; Rossi, A (CERN) ; Lari, L (Valencia U., IFIC) et al.
The correct functioning of the LHC collimation system is crucial to attain the desired LHC luminosity performance. However, the requirements to handle high intensity beams can be demanding. [...]
CERN-ATS-2011-132.- Geneva : CERN, 2011 - 3 p. Fulltext: PDF; External link: Published version from JACoW
In : 2nd International Particle Accelerator Conference, San Sebastian, Spain, 4 - 9 Sep 2011, pp.TUPS037
8.
Preliminary Comparison of the Response of LHC Tertiary Collimators to Proton and Ion Beam Impacts / Cauchi, M (CERN ; University of Malta, Msida, Malta) ; Assmann, R (CERN) ; Bertarelli, A (CERN) ; Carra, F (CERN) ; Cerutti, F (CERN) ; Lari, L (IFIC (CSIC-UV), Valencia, Spain ; CERN) ; Mollicone, P (University of Malta) ; Sammut, N (University of Malta)
The CERN Large Hadron Collider is designed to bring into collision protons as well as heavy ions. Accidents involving impacts on collimators can happen for both species. [...]
CERN-ACC-2013-0122.- Geneva : CERN, 2013 - 3 p. Fulltext: PDF;
In : 4th International Particle Accelerator Conference, Shanghai, China, 12 - 17 May 2013, pp.3412
9.
Tight collimator settings with beta* = 1.0 m / Assmann, RW (CERN) ; Bruce, R (CERN) ; Burkart, F (CERN) ; Cauchi, M (CERN) ; Deboy, D (CERN) ; Lari, L (CERN) ; Redaelli, S (CERN) ; Rossi, A (CERN) ; Valentino, G (CERN) ; Wollmann, D (CERN)
In this MD we have driven all collimators from relaxed settings, used routinely during the 2011 operation, to tight settings (primary collimator at 4 nominal sigma) during the ramp and squeezed to beta* = 1.0 m. [...]
CERN-ATS-Note-2011-079 MD.
- 2011. - 3 p.
Full text
10.
Beam feasibility study of a collimator with in-jaw beam position monitors / Wollmann, Daniel (CERN) ; Nosych, Andriy A (CERN ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Valentino, Gianluca (CERN) ; Aberle, Oliver (CERN) ; Aßmann, Ralph W (CERN) ; Bertarelli, Alessandro (CERN) ; Boccard, Christian (CERN) ; Bruce, Roderik (CERN) ; Burkart, Florian (CERN) ; Calvo, Eva (CERN) et al.
At present, the beam-based alignment of the LHC collimators is performed by touching the beam halo with both jaws of each collimator. This method requires dedicated fills at low intensities that are done infrequently and makes this procedure time consuming. [...]
2014 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 768 (2014) 62-68 Elsevier Open Access article: PDF;

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