Dynamic beam based calibration of orbit monitors at LEP

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The offsets of the beam position monitors (BOM) with respect to the centre of the quadrupoles were determined for 16 wide band electronic and 18 narrow band electronic monitors. The first are located near to the IPs and the latter are in all other parts. The distribution of the wide band monitor off...

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Detalles Bibliográficos
Autores principales: Barnett, I, Beuret, A, Dehning, Bernd, Galbraith, Peter, Henrichsen, K N, Jonker, M, Morpurgo, Mario, Placidi, Massimo, Schmidt, R, Vos, L, Wenninger, J, Reichel, I, Tecker, F A
Lenguaje:eng
Publicado: 1995
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/283577
Descripción
Sumario:The offsets of the beam position monitors (BOM) with respect to the centre of the quadrupoles were determined for 16 wide band electronic and 18 narrow band electronic monitors. The first are located near to the IPs and the latter are in all other parts. The distribution of the wide band monitor offsets at the low beta focusing quadrupole magnets has a mean value of 1000 µm and a width of s = 600 mm. The offsets are almost identical with the beam position of the orbit which allows to obtain highest luminosity. The distribution of the narrow band monitor offsets has a mean value of 19 mm and a width of s = 245 mm.

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