CERN Accelerating science

LHC

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2014-04-23
13:16
Measurement of the total proton-proton cross section with ATLAS at LHC / khalek, Samah Abdel
It is now nearly fifty years since total proton-proton (pp) cross sections have been found to grow with energy after it was believed for long time that they would become asymptotically constant [...]
LAL-13-375 - 189 p.

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2014-04-15
14:38
Proceedings of the 2013 MPP Workshop / Jonker, M (CERN)
This report contains the proceedings of the MPP Workshop on LHC Machine Protection, held in Annecy from 11th to 13th March 2013. [...]
CERN-ACC-2014-0041.
- 2014. - 151 p.

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2014-04-11
09:36
Collecting amplitude detuning measurements from 2012 / Tomas, R ; Barranco, J ; Buffat, X ; Maclean, EH ; White, S
This note collects the amplitude detuning measurements during 2012 with model extrapolations to the main operational configurations..
CERN-ACC-NOTE-2014-0027.
- 2014. - 5 p.
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2014-04-07
09:56
Status of the TAN aperture model in MAD-X / Fitterer, M ; Bartolome-Jimenez, S ; Chemli, S ; De Maria, R ; Giovannozzi, M
In this paper we describe the update of the existing TAN layout and aperture model in the MAD-X sequence for IR1 and IR5. [...]
CERN-ACC-NOTE-2014-0026.
- 2014. - 11 p.
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2014-03-28
13:51
An improved scattering routine for collimation tracking studies at LHC / Tambasco, Claudia
The present Master thesis work has been carried out at CERN in the framework of the LHC (Large Hadron Collider) Collimation project [...]
CERN-THESIS-2014-014 -

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2014-03-24
14:13
Testing long range beam-beam compensation for the LHC luminosity upgrade / Rijoff, Tatiana
The performance of the Large Hadron Collider (LHC) at CERN and its minimum crossing angle are limited by long-range beam-beam collisions [...]
CERN-THESIS-2012-377 - 105 p.

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2014-03-10
16:36
Magnet polarities in the LHC / McAteer, M ; Levinsen, Y ; Maclean, E ; Persson, T ; Steinhagen, R ; Tomas, R
We report the results of extensive tests to verify the polarities of Landau damping octupoles (MOF, MOD) and octupole spool correctors (MCO), arc trim skew sextupoles (MSS), and triplet sextupole correctors (MCSX and MCSSX). [...]
CERN-ACC-NOTE-2014-0012.
- 2014. - 8 p.
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2014-03-05
16:47
Beam induced heating reduction by bunch flattening / Argyropoulos, T ; Bhat, C ; Esteban Müller, JF ; Jakobsen, S ; Mastoridis, T ; Metral, E ; Mounet, N ; Papotti, G ; Pieloni, T ; Salvant, B et al.
The main purpose of this MD was to modify the beam induced heating on some critical LHC components by flattening the bunch distribution by applying an RF phase modulation. [...]
CERN-ACC-NOTE-2014-0011.
- 2014. - 14 p.
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2014-02-20
11:12
Optics Designs of Final-Focus Systems for Future LHC Upgrades / Abelleira, José Luis
The main topic of the thesis is the study of a novel option for the high-luminosity upgrade of the Large Hadron Collider (LHC) comprising a large Piwinski angle, flat beams, and crab waists [...]
CERN-THESIS-2013-278 -

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2014-02-20
10:56
Results on Ultra-Precise Magnet Yoke Sectors Assembly Tests / Modena, M ; Leuxe, R ; Struik, M
Due to beam dynamics requirements and to reduce the cost and power consumption for the next generation of particle accelerators, their magnet systems need to be more and more compact and precise [...]
CERN-ACC-2014-0038.
- 2014. - 4 p.
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