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nus

PURPOSE

Nus = nus (VrfMV, alpha, U0MeV, E0MeV, h)

SYNOPSIS

function Nus = nus (VrfMV, alpha, U0MeV, E0MeV, h)

DESCRIPTION

 Nus = nus (VrfMV, alpha, U0MeV, E0MeV, h)
 this function return the synchrotron tune
 input:
 VrfMV is the RF voltage in MV
 alpha is the momentum compaction factor
 U0MeV is the energy lost per turn in MeV
 E0MeV is the beam energy in MeV
 h is the harmonic number

CROSS-REFERENCE INFORMATION

This function calls:

This function is called by:

BunchLength bunch length due to the potential well effect

SOURCE CODE

0001 function Nus = nus (VrfMV, alpha, U0MeV, E0MeV, h)
0002 % Nus = nus (VrfMV, alpha, U0MeV, E0MeV, h)
0003 % this function return the synchrotron tune
0004 % input:
0005 % VrfMV is the RF voltage in MV
0006 % alpha is the momentum compaction factor
0007 % U0MeV is the energy lost per turn in MeV
0008 % E0MeV is the beam energy in MeV
0009 % h is the harmonic number
0010 
0011 Phi=pi - asin(U0MeV./VrfMV);
0012 Nus= sqrt(-(VrfMV/E0MeV)*(h * alpha)/(2*pi) .* cos(Phi));
0013 
0014 end