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1 Parameters

The relevant machine parameters for computing transverse single- and multibunch modes are given in Tab. 1.

 

NameSymbolInjectionCollision
Ring circumferenceL26658.883 m
Betatron tune 63.31
Synchrotron tune 0.0060.00212
Frequency slip factor
Revolution frequencyf011.2455 kHz
Number of buncheskB2835
Number of bunch placesM3564
Proton energyE450 GeV7000 GeV
Circulating beam currentI0.536 A
Transverse physical emittance 7.82 nm-rad0.503 nm-rad
r.m.s. bunch length 13 cm7.7 cm
Table 1: Parameters for the LHC; all values are from Annex 1 of [2].

 

Note that the vertical tune value is used throughout this computation. The bunches are assumed to be Gaussian. Parabolic bunches would probably be a better assumption, but the appropriate matrix elements for the method of [1] have not been computed at this point.



J. Scott Berg
Sat Jan 11 17:43:05 MET 1997