CERN Accelerating science

LHC Performance Notes

Letzte Einträge:
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 [...]
- 2015. - 14 p.

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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. [...]
- 2015. - 0 p.
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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. [...]
- 2013.
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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. [...]
- 2013. - 11 p.
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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. [...]
- 2013. - 17 p.
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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. [...]
- 2013.
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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. [...]
- 2013. - Mult. p.
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Injection into LHC of single bunches with nominal intensity / Bartmann, W ; Bracco, C ; Goddard, B ; Holzer, B ; Kain, V ; Lamont, M ; Meddahi, M ; Mertens, V ; Papotti, G ; Redaelli, S et al.
As part of the 2010 LHC commissioning, the intensity of a single INDIV injected bunch was increased from 1e10 to 1.1e11. Some preliminary tests with high intensity bunches to the TL TEDs were used to verify the beam stability and transverse profiles. [...]
LHC-Performance-Note-015; CERN-LHC-Performance-Note-015.- Geneva : CERN, 2010

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Expected Performance of the LHC Synchrotron-Light Telescope (BSRT) and Abort-Gap Monitor (BSRA) / Fisher, A S
This Report presents calculations of the synchrotron light from proton and lead-ion beams in the LHC at all energies from 0.45 to 7 TeV. It computes the emission from three sources: the uniform-field region of the D3 dipole, the dipole’s edge field, and the short undulator just upstream. [...]
LHC-Performance-Note-014; CERN-LHC-Performance-Note-014.- Geneva : CERN, 2010 - 36 p. Fulltext: PDF;

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Mid/Long-Term Action Plan to Mitigate SEE related Risks at the LHC (and required actions) / Brugger, M ; Ferrari, A ; Kramer, Daniel ; Losito, R ; Myers, S ; Perrot, A L ; Pojer, M ; Røed, K ; Roesler, S ; Solfaroli, M et al.
Modifications of the LHC schedule and the needed planning for future shutdowns requires an approach compatible with all operational scenarios in order to reduce the failures due to SEE around the machine. The R2E study group recommends a list of short-term actions, to plan, analyse and prepare mid/long-term activities and to assign additional resources. [...]
LHC-Performance-Note-013; CERN-LHC-Performance-Note-013.- Geneva : CERN, 2009 - 14 p. Fulltext: PDF;

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