CERN Accelerating science

PS Complex

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2015-04-27
10:41
Influence of SEM-grid wire spacing and signal noise on the precision of emittance measurements / Martini, Michel
CERN-PS-PA-Note-92-03.
- 1992. - 8 p.
Full text

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2015-04-24
06:02
Design of a neutrino source based on beta beams / Wildner, E (CERN) ; Hansen, C (CERN) ; Benedetto, E (CERN) ; Jensen, E (CERN) ; Stora, T (CERN) ; Mendonca, T Melo (CERN) ; Vlachoudis, V (CERN) ; Bouquerel, E (Strasbourg, IPHC) ; Marie-Jeanne, M (Grenoble, INP ; LPSC, Grenoble) ; Balint, P (Grenoble, INP ; LPSC, Grenoble) et al.
``Beta beams'' produce collimated pure electron (anti)neutrino beams by accelerating beta active ions to high energies and having them decay in a racetrack shaped storage ring of 7 km circumference, the decay ring. EUROnu beta beams are based on CERN infrastructures and existing machines. [...]
2014 - 51 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 17 (2014) 071002 External link: ADSABS

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2015-04-24
06:02
A New RadMon Version for the LHC and its Injection Lines / Spiezia, G (CERN) ; Peronnard, P (CERN) ; Masi, A (CERN) ; Brugger, M (CERN) ; Brucoli, M (CERN) ; Danzeca, S (CERN ; CEM2, Montpellier) ; Garcia Alia, R (CERN ; CEM2, Montpellier) ; Losito, R (CERN) ; Mekki, J (CERN) ; Oser, P (CERN) et al.
A system to monitor the radiation levels is required in the Large Hadron Collider (LHC) and its injection lines in order to quantify the radiation effects on electronics. Thus, the RadMons were installed in critical areas where equipment is or will be placed. [...]
2014 - 8 p. - Published in : IEEE Trans. Nucl. Sci. 61 (2014) 3424-3431

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2015-04-24
06:02
Simulator for beam-based LHC collimator alignment / Valentino, Gianluca (CERN ; Malta U.) ; Aßmann, Ralph (DESY) ; Redaelli, Stefano (CERN) ; Sammut, Nicholas (Malta U.)
In the CERN Large Hadron Collider, collimators need to be set up to form a multistage hierarchy to ensure efficient multiturn cleaning of halo particles. Automatic algorithms were introduced during the first run to reduce the beam time required for beam-based setup, improve the alignment accuracy, and reduce the risk of human errors. [...]
2014 - 11 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 17 (2014) 021003

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2015-04-23
14:14
Hadron Beams 2014 - HB 2014   10 - 14 Nov 2014  - East-Lansing, USA  .-
2014

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2015-04-23
06:02
Optimization on RF parameters of a Choke-Mode Structure for the Clic Main LINAC / Zha, Hao (Tsinghua U., Beijing, Dept. Eng. Phys.) ; Chen, Huaibi (Tsinghua U., Beijing, Dept. Eng. Phys.) ; Shi, Jiaru (Tsinghua U., Beijing, Dept. Eng. Phys.)
A tapered choke-mode structure for the main linac of Compact Linear Collider (CLIC) had been designed. Wakefield suppression of this structure fits the beam dynamic requirements. [...]
2013 - 3 p. - Published in : (2013) , pp. TUPME026 Fulltext: PDF; External link: Published version from JACoW

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2015-04-23
06:02
Studies on Nonlinear Post-linac Protection for CLIC / Resta-López, Javier (Cockcroft Inst. Accel. Sci. Tech.) ; Boogert, Stewart (Oxford U., JAI) ; Snuverink, Jochem (Oxford U., JAI) ; Faus-Golfe, Angeles (Valencia U., IFIC) ; Resta-López, Javier (Valencia U., IFIC)
The post-linac energy collimation system of CLIC is designed to fulfill an essential function of protection of the Beam Delivery System (BDS) against miss-steered beams generated by failure modes in the main linac. Guaranteeing the collimator survivability in case of direct beam impact is very challenging, if we take into account the need to deal with an unprecedented transverse beam energy density per beam of the order of GJ/mm². [...]
2014 - 3 p. - Published in : , pp. MOPRO034 Fulltext: PDF; External link: Published version from JACoW

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2015-04-23
06:02
The Momentum Distribution of the Decelerated Drive Beam in CLIC and in the Two-beam Test Stand at CTF3 / Borgmann, Christopher (Uppsala U.) ; Jacewicz, Marek (Uppsala U.) ; Ögren, Jim (Uppsala U.) ; Olvegård, Maja (Uppsala U.) ; Ruber, Roger (Uppsala U.) ; Ziemann, Volker (Uppsala U.)
We present analytical calculations of the momentum spectrum of the drive beam in CLIC and the CLIC Test Facility CTF3 after part of its kinetic energy is converted to microwaves for the acceleration of the main beam. The resulting expressions are used to determine parameters of the power conversion process in the Power Extraction Structure (PETS) installed in the Two-beam Test Stand in CTF3..
2014 - 3 p. - Published in : , pp. MOPRO002 Fulltext: PDF; External link: Published version from JACoW

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2015-04-21
06:21
RF Tuning of the LINAC4 RFQ / Piquet, Olivier (IRFU, Saclay) ; Le Noa, Yannick (IRFU, Saclay) ; Novo, Jorge (IRFU, Saclay) ; Desmons, Michel (IRFU, SPhN, Saclay) ; France, Alain (IRFU, SPhN, Saclay) ; Rossi, Carlo (CERN)
The construction of Linac4, the new 160 MeV CERN H^{−} injector, has started with the goal of improving the LHC injection chain with a new higher energy linac. The low energy front end of Linac4 is based on a 352 MHz, 3-m long Radiofrequency Quadrupole (RFQ) which accelerates the 70 mA, 45 keV H^{−} beam from the ion source to the energy of 3 MeV. [...]
2013 - 3 p. - Published in : (2013) , pp. THPWO004 Fulltext: PDF; External link: Published version from JACoW
In : 4th International Particle Accelerator Conference, Shanghai, China, 12 - 17 May 2013, pp.3761

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2015-04-21
06:21
The PS Upgrade Programme: Recent Advances / Gilardoni, Simone (CERN) ; Bart Pedersen, Stephane (CERN) ; Bertone, Caterina (CERN) ; Biancacci, Nicolo (CERN) ; Blas, Alfred (CERN) ; Bodart, Dominique (CERN) ; Borburgh, Jan (CERN) ; Chiggiato, Paolo (CERN) ; Damerau, Heiko (CERN) ; Damjanovic, Sanja (CERN) et al.
The LHC Injectors Upgrade project (LIU) has been initiated to improve the performances of the existing injector complex at CERN to match the future requirements of the HL-LHC. In this framework, the Proton Synchrotron (PS) will undergo fundamental changes for many of its main systems: the injection energy will be increased to reduce space-charge effects, the transverse damper will be improved to cope with transverse instabilities the RF systems will be upgraded to accelerate higher beam intensity and brightness. [...]
2013 - 3 p. - Published in : (2013) , pp. WEPEA042 Fulltext: PDF; External link: Published version from JACoW
In : 4th International Particle Accelerator Conference, Shanghai, China, 12 - 17 May 2013, pp.2594

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