LNLS - Laboratório Nacional de Luz Síncroton

Accelerator Parameters

Storage Ring

Energy 1.37 GeV
Injection energy 500 MeV
Beam current 250 mA
Circumference 93.2 m
Average diameter 29.7 m
     
Magnetic lattice DBA  
Lattice symmetry 6  
Dipole Bending radius 2.735 m
Dipole field 1.67 T
Number of dipoles 12  
Free straight sections 4  
Straight section length 2.95 m
     
Natural emittance (@max energy) 100 nm.rad
Horizontal tune 5.27  
Vertical tune 4.17  
Synchrotron frequency (@max energy, Vrf = 500 kV) 25 kHz
Natural horizontal chromaticity -7.8  
Natural vertical chromaticity -9.5  
Momentum compaction factor 0.0083  
Energy dispersion 0.281 %
RF frequency 476.066 MHz
Harmonic number 148  
Revolution period 311 ns
Horizontal damping time (@max energy) 7.8 ms
Vertical damping time (@max energy) 7.5 ms
Synchrotron damping time (@max energy) 3.7 ms
Beam lifetime (with/without coupling correction) 26/17 h
     
Energy loss per turn in the dipoles 114 eV
Radiated power at the dipoles (@100 mA) 11.4 kW
Critical energy in the dipoles 2.08 keV
     

Booster Synchrotron

Energy 500 MeV
Injection energy 120 MeV
Circumference 34 m
Larger axis 12.3 m
Shorter axis 7.9 m
     
Dipole bending radius 1.026 m
Dipole field 1.63 T
Number of dipoles 12  
     
Natural emittance (@max energy) 284 nm.rad
Horizontal tune 2.27  
Vertical tune 1.12  
Natural horizontal chromaticity -2.1  
Natural vertical chromaticity -2.5  
Momentum compaction factor 0.129  
RF frequency 476.066 MHz
Harmonic number 54  
Revolution period 113.4 ns