Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Follin, F."'
Autor:
Follin, F., Jacquet, D.
Publikováno v:
CERN Yellow Report CERN-2014-004, pp.183-187
The practice of luminosity levelling with an offset beam has been used as a routine operation in the LHC since 2011. This paper will describe how it has been implemented and what has been the operational experience with the system.
Comment: 5 pa
Comment: 5 pa
Externí odkaz:
http://arxiv.org/abs/1410.3667
Autor:
Aharrouche, M., Colas, J., Di Ciaccio, L., El Kacimi, M., Gaumer, O., Gouanère, M., Goujdami, D., Lafaye, R., Laplace, S., Le Maner, C., Neukermans, L., Perrodo, P., Poggioli, L., Prieur, D., Przysiezniak, H., Sauvage, G., Tarrade, F., Wingerter-Seez, I., Zitoun, R., Lanni, F., Ma, H., Rajagopalan, S., Rescia, S., Takai, H., Belymam, A., Benchekroun, D., Hakimi, M., Hoummada, A., Barberio, E., Gao, Y.S., Lu, L., Stroynowski, R., Aleksa, M., Hansen, J.B., Carli, T., Efthymiopoulos, I., Fassnacht, P., Follin, F., Gianotti, F., Hervas, L., Lampl, W., Collot, J., Hostachy, J.Y., Ledroit-Guillon, F., Martin, P., Ohlsson-Malek, F., Saboumazrag, S., Leltchouk, M., Parsons, J.A., Seman, M., Simion, S., Banfi, D., Carminati, L., Cavalli, D., Costa, G., Delmastro, M., Fanti, M., Mandelli, L., Mazzanti, M., Tartarelli, G.F., Bourdarios, C., Fayard, L., Fournier, D., Graziani, G., Hassani, S., Iconomidou-Fayard, L., Kado, M., Lechowski, M., Lelas, M., Parrour, G., Puzo, P., Rousseau, D., Sacco, R., Serin, L., Unal, G., Zerwas, D., Camard, A., Lacour, D., Laforge, B., Nikolic-Audit, I., Schwemling, Ph., Ghazlane, H., El Moursli, R.C., Fakhr-Eddine, A.I., Boonekamp, M., Kerschen, N., Mansoulié, B., Meyer, P., Schwindling, J., Lund-Jensen, B., Tayalati, Y.
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A 2006 568(2):601-623
The LHCb experiment searches for New Physics by precision measurements in heavy flavour physics. The optimization of the data taking conditions relies on accurate monitoring of the instantaneous luminosity, and many physics measurements rely on accur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od________65::d7617e4468a0149ccf305982efa8faa1
http://cds.cern.ch/record/1610623
http://cds.cern.ch/record/1610623
The online luminosity control consists of an automatic slow real-time feedback system controlled by specific LHCb software, which communicates directly with a\nLHC software application. The LHC application drives a set of corrector magnets to adjust
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od________65::3b7e1447defb79ecb77cbe3825b945f5
http://cds.cern.ch/record/1567250
http://cds.cern.ch/record/1567250
The current crossing angle scheme at LHCb interaction point (horizontal crossing angle and vertical beam separation) prohibits the use of the LHCb dipole positive polarity for 25 ns bunch spacing operation since the beam separation at the first paras
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od________65::c6b8efb0f29315a9f654aae184f4842d
http://cds.cern.ch/record/1567252
http://cds.cern.ch/record/1567252
The LHC Beam Quality Monitor is a system that measures individual bunch lengths and positions, similarly to the twin system SPS Beam Quality Monitor, from which it was derived. The pattern verification that the system provides is vital during the inj
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od________65::5a54cd4c602773a89d980566b03cf858
http://cds.cern.ch/record/1399087
http://cds.cern.ch/record/1399087
The SPS Beam Quality Monitor is a system that monitors longitudinal beam parameters on a cycle-by-cycle basis and prevents extraction to the LHC in case the specifications are not met. This avoids losses, unnecessary stress of machine protection comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od________65::4693c4829c72db03fc6c8f649746cf4b
http://cds.cern.ch/record/1399086
http://cds.cern.ch/record/1399086
Autor:
Adrian, G, Allen, D, Andujar, O, Argyropoulos, T, Axensalva, J, Baldy, J, Bartosik, H, Cettour Cave, S, Chapuis, F, Comblin, JF, Cornelis, K, Cotte, D, Cunnington, K, Damerau, H, Delrieux, M, Duran-Lopez, JL, Esteban Mueller, J, Findlay, A, Fleuret, J, Follin, F, Freyermuth, P, Genoud, H, Gilardoni, S, Guerrero, A, Hancock, S, Hanke, K, Hans, O, Hazelaar, R, Höfle, W, Jensen, L, Kuczerowski, J, Le Borgne, Y, Maillet, R, Manglunki, D, Massot, S, Matli, E, Métral, G, Métral, E, Mikulec, B, Nonglaton, JM, Ovalle, E, Papaphilippou, Y, Pereira, L, Peters, F, Rey, A, Ridewood, J, Rumolo, G, Salvant, B, Sanchez Alvarez, JL, Shaposhnikova, E, Steerenberg, R, Steinhagen, R, Tan, J, Vandorpe, B, Veyrunes, E
Some of the upgrade scenarios of the high-luminosity LHC require large intensity per bunch from the injector chain. Single bunch beams with intensities of up to 3.5 to 4e11 p/b and nominal emittances were successfully produced in the PS Complex and d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od________65::9f49b344805cf85aa87d284c23f615fc
http://cds.cern.ch/record/1382441
http://cds.cern.ch/record/1382441
Autor:
Papotti, G., Alemany, R., Follin, F., Giachino, R., Herr, W., Tatiana Pieloni, Schaumann, M., Calaga, R., Miyamoto, R.
Publikováno v:
Scopus-Elsevier
To keep the luminosity under control, some experiments require the adjustment of the luminosity during a fill, socalled luminosity levelling. One option is the separate the beams transversely and adjust the separation to the desired collision rate. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::67d9e5bc452a954c811f97aa6e128ac7
http://cds.cern.ch/record/1382055
http://cds.cern.ch/record/1382055