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sLHC Project Notes

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2012-11-20
13:56
Upgrade of the TCDQ: A dumping protection system for the LHC / Antonakakis, T ; Maglioni, C
In the context of the LHC, an asynchronous beam dump could be destructive. In order to ensure the safety of the machine and its surroundings a model of the TCDQ dump has been designed [...]
sLHC-Project-Note-0041; CERN-sLHC-Project-Note-0041.- Geneva : CERN, 2012 - 16 p. Fulltext: PDF PDF (PDFA);

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2012-09-18
13:31
Various approaches to electromagnetic field simulations for RF cavities / Liu, C (Technische Universität Darmstadt) ; Müller, W F O (Technische Universität Darmstadt) ; Ackermann, W (Technische Universität Darmstadt) ; Weiland, T (Technische Universität Darmstadt)
In the Superconducting Proton Linac (SPL) cavity, it is very important to calculate the eigenmodes precisely, because many higher order modes (HOMs) can lead to particle beam instabilities. We used and compared three different ways to calculate the eigenmodes in the SPL cavity: field simulation with hexahedron mesh in time domain, field simulation with hexahedron mesh in frequency domain and field simulation with tetrahedral mesh and higher order curvilinear elements [...]
sLHC-Project-Note-0040; CERN-sLHC-Project-Note-0040.- Geneva : CERN, 2012 Fulltext: PDF PDF (PDFA);

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2012-05-11
14:39
On the possibility of accelerating protons to 50 MeV in LINAC4 and delivering them to the PSB / Lombardi, A ; Vretenar, M
During the LIU kick-off meeting of December 1st 2010 [1] the question was asked whether in case of a major irreparable fault of LINAC2 a sufficient number of protons could be produced by LINAC4 and what beams could be guaranteed by the PSB under these working conditions. A study was made and the results presented at the IEFC workshop [2] [...]
sLHC-Project-Note-0039; CERN-sLHC-Project-Note-0039.- Geneva : CERN, 2012 - 7 p. Fulltext: PDF PDF (PDFA);

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2012-04-17
11:37
SPL Transfer Line / Posocco, P A ; Eshraqi, M (ESS Lund) ; Lombardi, A
The study of the longitudinal properties of the beam accelerated by SPL at the injection of the following accelerator is very important to optimize its performance. Therefore we connected the latest version of SPL (5 GeV) to the PS2 with a transfer line previously designed by the TE/ABT-BTP Section making it an example of how to transport the SPL beam out of the very densely built Meyrin site to a place where a following accelerator can be realized..
sLHC-Project-Note-0038; CERN-sLHC-Project-Note-0038.- Geneva : CERN, 2012 Fulltext: PDF PDF (PDFA);

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2012-03-14
13:24
Cost estimate for the High Power SPL (HP-SPL) / Gerigk, F
This note gives a cost estimate for the construction of a 5GeV, 4MW High Power H− Linac (SPL) on the CERN site..
sLHC-Project-Note-0037; CERN-sLHC-Project-Note-0037.- Geneva : CERN, 2012 Fulltext: PDF PDF (PDFA);

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2011-09-28
16:21
Slim elliptical cavity at 800 MHz for local crab crossing / Ficcadenti, L ; Tuckmantel, J
A slim highly eccentric elliptical Crab cavity with vertical deflection at 800 MHz, compatible to beam line distances everywhere in the LHC ring, was designed. It is a good fall-back solution in case of problems with new compact 400 MHz designs. [...]
sLHC-Project-Note-0036; CERN-sLHC-Project-Note-0036.- Geneva : CERN, 2011 Fulltext: PDF PDF (PDFA);

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2011-07-14
10:36
Transverse Emittance reconstruction in presence of space charge and application to the 50 MeV beam of Linac4 / Garcia Tudela, M ; Lombardi, A ; Posocco, P A
During the commissioning stage of Linac4 a test bench is planned to be used in order to characterize the 50 MeV beam after the DTL. Among other parameters, it will be possible to measure the transverse emittance using both the 3 monitors and the quadrupole scan method. [...]
sLHC-Project-Note-0035; CERN-sLHC-Project-Note-0035.- Geneva : CERN, 2011 - 28 p. Fulltext: PDF;

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2011-04-14
17:50
First Ideas on Measuring Beam Energy and Energy Spread of the 160 MeV Linac4 H- beam with Detached Electrons / Hermanns, T
This note describes first simulation studies on an alternative method for energy measurements with a 160 MeV Linac4 H- beam. Electrons are detached from H- ions by interactions with rest gas atoms in the beam pipe. [...]
sLHC-Project-Note-0034; CERN-sLHC-Project-Note-0034.- Geneva : CERN, 2011 - 5 p. Fulltext: PDF;

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2011-04-13
09:09
Power Overhead in the LINAC-4 Debuncher Cavity / Tückmantel, J
The LINAC4 debuncher cavity is phase ramped and has to cope with a pulsed beam. We estimate here the required installed RF power..
sLHC-Project-Note-0033; CERN-sLHC-Project-Note-0033.- Geneva : CERN, 2011 - 9 p. Fulltext: PDF;

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2011-04-04
15:30
On the Feasibility of Accelerating Deuterons in Linac4 / Stovall, J ; Lallement, J B ; Garcia Tudela, M ; Ramberger, S ; Crandall, K
The Linac4 normal-conducting linac is comprised of three sections, DTL, CCDTL and PIMS. It is designed to accelerate H-minus ions to a final energy of 160 MeV. [...]
sLHC-Project-Note-0032; CERN-sLHC-Project-Note-0032.- Geneva : CERN, 2011 - 11 p. Fulltext: PDF;

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