Introduction of Synchrotron

　Parameter

 

Unit cell type	FODO
BEam energy (GeV)     Injection	0.9 - 1.15
Maximum	8
Beam current (mA)	Max. 10
Repetition rate (Hz)	1.0
Horizontal emittance (mrad 10% coupling)	2.09 * 10-7
Vartical emittance (mrad 10% coupling)	2.09 * 10-8
Energy spread σ_{E} (ΔE/E)	1.26 * 10-3
Circumference (m)	396.12
Number of cells / superperiods	40 / 2
Betatron tune νx / νZ	11.73 / 8.78
Momentum compaction αC	1.01 * 10-2
Max. βX/ βZ (m)	16.7 / 17.9
Max. Dx (m)	1.0
Natural chromaticities ξX / ξY	-14.4 / -11.5
Harmonic number	672
Revolution time (μsec)	1.32
Quantum life time (sec)	> 10
Damping times (8 GeV) tX / tZ / tS (msec)	1.76 / 1.76 / 0.86

　Magnets

 

Number	64
Number of families	1
Number of turns per coil	10
Length (m)	2.900
Field strength (T)	0.9034
Gap (mm)	40

QUADRUPOLES

 

Number	80
Number of families	2
Number of turns per coil	11
Bore diameter (mm)	80
Length (m)	0.60
Max. gradient (T/m) QF	14.598
QD	12.374
Max. current density (A/mm2) QF	7.55
QD	6.40

SEXTUPOLES

 

Number	60
Number of families	2
Number of turns per coil	10
Bore diameter (mm)	100
Length (m)	0.15
Max. gradient (T/m2) SF	101.6
SD	162.5
Max. current density (A/mm2) SF	5.18
SD	8.28

STEERERS

 

Number	80
Length (m)	0.10
Max. strength (T)	0.09

　RF

 

Frequency (MHz)	508.58
Harmonic number	672
Energy loss / turn (MeV)	12.27
Revolution frequency (kHz)	756.8
Synchrotron frequency (kHz)	32.2
Peak Voltage (MV)	18.2
Shunt impedance / cell (MΩ)	6.19
Wall loss (kW / cell)	Max. 50
Number of cells per cavity	5
Number of cavities	8
Number of klystrons	2
Nominal klystron power (MW)	1
Max. cavity power (kW)	250

　Vacuum

　Monitor

 

DCCTs	1
FCT	1
Screen monitors	14
Beam position monitors	80
Beam loss monitors	5
Radiator	1
Strip line monitor	1
High power RF knock-out	1
SR monitering system	1

　Timing

　Control

　LSBT

　SSBT