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ABOUT LHC PROJECT COLLECTION
The LHC Project Collection presents a particular "view" into our database. It regroups together all catalogues that may be of particular interest to the LHC Project. If searching here does not give you expected results, please try to search from the Search by Collection home.
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LHC Performance Notes

Latest additions:
2017-03-31
15:35
Effect of the total RF voltage on heavy ions at injection energy in the LHC / Schaumann, Michaela (CERN) ; Alemany Fernandez, Reyes (CERN) ; Jebramcik, Marc Andre (Johann-Wolfgang-Goethe Univ. (DE)) ; Jowett, John (CERN) ; Mertens, Tom (CERN)
Emittance growth and particle losses from intra-beam scattering (IBS) are an important source of beam losses, especially at injection energy, for the heavy ions in LHC. [...]
CERN-ACC-NOTE-2017-0020.
- 2017. - 11 p.
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2017-01-17
11:18
Summary of the half-day internal review of LHC performance limitations (linked to transverse collective effects) during run II (CERN, 29/11/2016) / Metral, Elias (CERN) ; Arduini, Gianluigi (CERN) ; Biancacci, Nicolo (CERN) ; Buffat, Xavier (CERN) ; Carver, Lee Robert (CERN) ; Iadarola, Giovanni (CERN) ; Li, Kevin Shing Bruce (CERN) ; Persson, Tobias Hakan Bjorn (CERN) ; Romano, Annalisa (Technische Universitaet Darmstadt (DE)) ; Schenk, Michael (Ecole Polytechnique Federale de Lausanne (CH)) et al.
In this note the half-day internal review of LHC performance limitations (linked to transverse collective effects) during run II (2015-2016), which took place at CERN on 29/11/2016 (https://indico.cern.ch/event/589625/), is summarised and the next steps are discussed..
CERN-ACC-NOTE-2017-0005.
- 2017. - 12 p.
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2016-02-04
14:38
Amplitude dependent closest tune approach / Tomas Garcia, Rogelio (CERN) ; Persson, Tobias Hakan Bjorn (CERN) ; Franchi, Andrea ; Maclean, Ewen Hamish (CERN)
Recent observations in the LHC point to the existence of an amplitude dependent closest tune approach. However this dynamical behavior and its underlying mechanism remain unknown. [...]
CERN-ACC-NOTE-2016-0025.- Geneva : CERN, 2016 - 11 p. - Published in : Phys. Rev. Accel. Beams 19 (2016) 071003 APS Open Access article: PDF; Fulltext: PDF;

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2015-10-28
15:10
Travel Software using GPU Hardware / Szalwinski, Chris M (Bradly Hoover, School of Information and Communications Technology, Seneca College, Toronto) ; Belli, Eleonora (CERN) ; Dimov, Veliko Atanasov (CERN)
Travel is the main multi-particle tracking code being used at CERN for the beam dynamics calculations through hadron and ion linear accelerators [...]
CERN-ACC-NOTE-2015-0034.
- 2015. - 14 p.
CERN-ACC-NOTE-2015-0034

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2015-09-24
16:41
Characterization of Embedded BPM Collimators / VALENTINO, Gianluca (CERN)
During LS1, 16 tertiary collimators (TCTs) and 2 secondary collimators (TCSGs) in IR6 were replaced by new embedded BPM collimators. [...]
CERN-ACC-NOTE-2015-0028.
- 2015. - 0 p.
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2013-11-25
09:04
Operation and Configuration of the LHC in Run 1 / Alemany-Fernandez, R ; Bravin, E ; Drosdal, L ; Gorzawski, A ; Kain, V ; Lamont, M ; Macpherson, A ; Papotti, G ; Pojer, M ; Ponce, L et al.
Between 2010 and 2013 the LHC was operated with protons at beam energies of 3.5 and 4 TeV. [...]
CERN-ACC-NOTE-2013-0041.
- 2013.
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2013-11-11
16:21
Some considerations on the p-p performance of the LHC during Run I / Giovannozzi, M
During the LHC Run I a very large amount of data has been collected, which can be used to improve the understanding of the behaviour of the accelerator. [...]
CERN-ACC-NOTE-2013-0039.
- 2013. - 11 p.
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2013-09-11
09:06
A Prototype Readout System for the Diamond Beam Loss Monitors at LHC / Effinger, E (CERN BE/BI) ; Dehning, B (CERN BE/BI) ; Baer, T (CERN BE/OP) ; Schmidt, R (CERN TE/MPE) ; Frais-Kölbl, H (Fachhochschule Wiener Neustadt, Austria) ; Griesmayer, E ((corresponding author)) ; Kavrigin, P (TU Vienna andCIVIDEC Instrumentation*)
Diamond Beam Loss Monitors are used at the LHC for the measurement of fast beam losses. [...]
CERN-ACC-NOTE-2013-0022.
- 2013. - 17 p.
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2013-08-19
15:17
Synchronous phase measurements in the LHC for electron cloud observations / Esteban Müller, JF ; Shaposhnikova, E
This Note summarizes the e-cloud observations done in the LHC with 50 ns and 25 ns spaced beams during 2012. [...]
CERN-ACC-NOTE-2013-0007.
- 2013.
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2013-08-19
12:01
Observation of Beam-beam Deflections with LHC Orbit Data / Kozanecki, W (CERN) ; Pieloni, T (CERN) ; Wenninger, J (CERN)
The LHC luminosity is calibrated in dedicated fills with van der Meer scans (vdM) of the beams that are performed repeatedly in both planes. [...]
CERN-ACC-NOTE-2013-0006.
- 2013. - Mult. p.
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