PAR Parameters
Notation | Model Value | ||
General Parameters | |||
Injection energy | E 0 | 0.425 | GeV |
Design energy | E m | 0.450 | GeV |
Beam current (single bunch) | Isb | 5.88 - 58.8 | mA |
Circulating charge (single bunch) | q | 0.6 - 6.0 | nC |
Number of superperiods | Nsp | 2 | |
Max number of bunches to accumulate | Nsb | 20 | |
Injection rate | finj | 30 | Hz |
Injection time | Tinj | 33.3 - 666 | ms |
Repetition rate | fcycle | 1 | Hz |
Transverse parameters | |||
Transverse tune | νx | 2.18 | |
νy | 1.21 | ||
Natural Chromaticity | ξx,n | -0.06 | |
ξy,n | 0.01 | ||
Dispersion function | ηx,max | 3.11 | m |
ηy,max | 0.00 | ||
Beta function | βx,min | 0.98 | m |
βx,ave | 2.80 | ||
βx,max | 4.68 | ||
βy,min | 0.43 | ||
βy,ave | 8.36 | ||
βy,max | 14.08 | ||
Longitudinal parameters (RF1 Only) | |||
Circumference | C | 30.666 | m |
Revolution frequency | f 0 | 9775.942 | kHz |
Revolution time | T0 | 0.102 | μs |
Harmonic number (Fundamental) | hrf | 1 | |
Typical RF voltage (@425MeV) | V 0 | 20.0 | kV |
Typical synchronous phase (20 kV, 425 MeV) | ϕs | 3.00 171.86 | Rad,Deg |
Momentum compaction factor | αc | 243.670 | ×10-3 |
Synchrotron tune (20 kV, 425 MeV) | νs | 1.351 | ×10-3 |
Equilibrium momentum spread (zero current) | σδ | 0.039 | |
Equilibrium bunch length (zero current) | σL | 339.47 | mm |
Equilibrium bunch length (zero current) | σt | 1132.4 | ps |
Longitudinal parameters (RF1 and RF12) | |||
Harmonic number | hrf | 12 | |
Typical RF voltage (@425MeV) | V 0 | 26.0 | kV |
Typical synchronous phase (26 kV, 425 MeV) | ϕs | 3.14 180.00 | Rad,Deg |
Momentum compaction factor | αc | 243.670 | ×10-3 |
Synchrotron tune (26 kV, 425 MeV) | νs | 5.504 | ×10-3 |
Equilibrium momentum spread (zero current) | σδ | 0.039 | |
Equilibrium bunch length (zero current) | σL | 83.30 | mm |
Equilibrium bunch length (zero current) | σt | 277.9 | ps |
Radiation parameters (425 MeV) | |||
Radiation energy loss per turn (dipole) | Ur,d | 2.831 | keV |
Partition number | D | 0.251 | |
Damping Time | τx | 24.557 | ms |
τy | 30.717 | ms | |
τE | 17.561 | ms | |
Emittance | ϵn | 299.9 | nm-rad |
Radiation integrals | I1 | 7.472 | m |
I2 | 6.162 | m-1 | |
I3 | 6.044 | m-2 | |
I4 | -1.546 | m-1 | |
I5 | 8.721 | m-1 | |