CERN Accelerating science

BE Papers

BE Papers 512 εγγραφές βρέθηκαν  προηγούμενο11 - 20επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 1.16 δευτερόλεπτα. 
11.
Tapering Options and Emittance Fine Tuning for the FCC-ee Collider / Härer, Bastian (CERN) ; Doblhammer, Andreas (CERN) ; Holzer, Bernhard (CERN)
The lepton collider version of the FCC study describes a future electron-positron collider with a circumference in the order of 100 km, optimised for operation with collision energies in the range of 90 GeV to 350 GeV (FCC- ee). This paper presents the layout of the machine and the constraints on the design of the arc lattice in the context of the four different beam energies that are foreseen for beam operation. [...]
CERN-ACC-2016-148.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPOR003 JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPOR003
12.
RF Synchronization and Distribution for AWAKE at CERN / Damerau, Heiko (CERN) ; Barrientos, Diego (CERN) ; Bohl, Thomas (CERN) ; Butterworth, Andrew (CERN) ; Döbert, Steffen (CERN) ; Höfle, Wolfgang (CERN) ; Molendijk, John (CERN) ; Moody, Joshua (Munich, Max Planck Inst.) ; Muggli, Patric (Munich, Max Planck Inst.) ; Rey, Stephane (CERN) et al.
The Advanced Wakefield Experiment at CERN (AWAKE) requires two particle beams and a high power laser pulse to arrive simultaneously in a rubidium plasma cell. A proton bunch from the SPS extracted about once every 30 seconds must be synchronised with the AWAKE laser and the electron beam pulsing at a repetition rate of 10 Hz. [...]
CERN-ACC-2016-150.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPMY039 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMY039
13.
Coaxial Wire Method Adapted to Weakly Coupled Resonator Mode for LHC RF Fingers Evaluation / Vollinger, Christine (CERN) ; Caspers, Fritz (CERN) ; Kaltenbacher, Thomas (CERN)
In high intensity particle accelerators, RF contact fingers are commonly used to carry the beam induced image current. In addition, they reduce beam impedance by shielding the outer bellows required to compensate mechanical displacements between components. [...]
CERN-ACC-2016-155.- 2016 - 3 p. - Published in : 10.18429/JACoW-IPAC2016-THPMY009 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMY009
14.
CLIC Beam Delivery System Rebaselining and Long L* Lattice Optimization / Plassard, Fabien (CERN) ; Bambade, Philip (Orsay, LAL) ; Schulte, Daniel (CERN) ; Tomás, Rogelio (CERN)
This paper summarizes the re-optimization study made on the CLIC Beam Delivery System (BDS) in the framework of the rebaselining for beam collisions at 380 GeV for the initial energy stage. It describes the optimization process applied for the beam parameters as well as for the Final Focus system (FFS) lattice design with respect to the energy upgrade transition to 3 TeV. [...]
CERN-ACC-2016-172.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPMR045 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMR045
15.
Performance of Transverse Beam Splitting and Extraction at the CERN Proton Synchrotron in the Framework of Multi-turn Extraction / Sterbini, Guido (CERN) ; Borburgh, Jan (CERN) ; Damjanovic, Sanja (CERN) ; Gilardoni, Simone (CERN) ; Giovannozzi, Massimo (CERN) ; Hernalsteens, Cédric (CERN ; Ecole Polytechnique, Lausanne) ; Hourican, Michael (CERN) ; Huschauer, Alexander (CERN ; TU Vienna) ; Kahle, Karsten (CERN) ; Le Godec, Gilles (CERN) et al.
Considerable progress has been made in 2015 in the setting up of the multi-turn extraction (MTE) in the CERN Proton Synchrotron (PS). A key ingredient in this novel extraction technique is the beam splitting in transverse phase space. [...]
CERN-ACC-2016-174.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPMR043 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMR043
16.
Implementation of High Order Symplectic Integrators with Positive Steps in Tracking Programs / Skoufaris, Kyriacos (CERN) ; Laskar, Jacques (Paris Observ.) ; Papaphilippou, Yannis (CERN) ; Skokos, Charalampos (Cape Town U.)
The symplectic integrators CSABAν & CSBABν are used in order to calculate single particles dynamics in accelerators and storage rings. These integrators present only positive steps and can be accurate up to the high order. [...]
CERN-ACC-2016-175.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPMR041 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMR041
17.
Local Optics Corrections in the HL-LHC IR / Coello de Portugal, Jaime Maria (CERN ; Barcelona, Polytechnic U.) ; Carlier, Felix (CERN) ; Garcia-Tabares, Ana (CERN) ; Langner, Andy (CERN) ; Maclean, Ewen (CERN) ; Malina, Lukas (CERN) ; Persson, Tobias (CERN) ; Skowroński, Piotr (CERN) ; Tomás, Rogelio (CERN)
For the high luminosity upgrade of the LHC optics correction in the interaction regions is expected to be challenged by the very low β^{*} and the sizable expected quadrupolar errors in the triplet. This paper addresses the performance and limitations of the segment-by-segment technique to correct quadrupolar and skew quadrupolar errors in the HL-LHC IR via computer simulations. [...]
CERN-ACC-2016-176.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPMR040 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMR040
18.
Commissioning of Non-linear Optics in the LHC at Injection Energy / Maclean, Ewen (CERN) ; Carlier, Felix (CERN) ; Coello de Portugal, Jaime Maria (CERN) ; Garcia-Tabares, Ana (CERN) ; Langner, Andy (CERN) ; Malina, Lukas (CERN) ; Persson, Tobias (CERN) ; Skowroński, Piotr (CERN) ; Tomás, Rogelio (CERN)
Commissioning of the nonlinear optics at injection in the LHC was carried out for the first time in 2015 via beam-based methods. Building upon studies performed during Run I, corrections to the nonlinear chromaticity and detuning with amplitude were obtained. [...]
CERN-ACC-2016-177.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPMR039 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMR039
19.
Non-Linear Errors in the Experimental Insertions of the LHC / Maclean, Ewen (CERN) ; Carlier, Felix (CERN) ; Giovannozzi, Massimo (CERN) ; Langner, Andy (CERN) ; Mönig, Saskia (CERN) ; Persson, Tobias (CERN) ; Skowroński, Piotr (CERN) ; Tomás, Rogelio (CERN)
Correction of nonlinear magnetic errors in low-β insertions can be of critical significance for the operation of a collider. This is expected to be of particular relevance to LHC Run II and the HL-LHC upgrade, as well as to future colliders such as the FCC. [...]
CERN-ACC-2016-178.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPMR038 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMR038
20.
Improved Methods for the Measurement and Simulation of the CERN SPS Non-linear Optics / Bartosik, Hannes (CERN) ; Oeftiger, Adrian (CERN) ; Schenk, Michael (CERN) ; Schmidt, Frank (CERN) ; Titze, Malte (CERN)
Good knowledge of the non-linear properties of the SPS lattice is crucial for modelling and optimising the machine performance in the presence of collective effects leading to incoherent tune spreads such as space charge, e-cloud and beam coupling impedance. In view of the LHC injectors upgrade (LIU) project and the future SPS operation in a regime dominated by such collective effects, detailed measurements of the SPS non-linear chromaticity and detuning with amplitude have been performed for the two optics configurations presently available for LHC type beams. [...]
CERN-ACC-2016-180.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPMR036 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMR036

BE Papers : 512 εγγραφές βρέθηκαν   προηγούμενο11 - 20επόμενοτέλος  μετάβαση στην εγγραφή:
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