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Damping
Ringe–

Injector Linac

e+

600 m

High efficiency
e+ generator

2x beamcurrent

PF
2.5 GeV

e–

e+ BT

PF-AR
6.5 GeVe – BT

Beam from Injector and Storage Current
SuperKEKB:
7 GeV e2600 mA
4 GeV e+3600 mAPF:
2.5 GeV e450 mA
PF-AR:
6.5 GeV e60 mA

HER
7 GeV

SuperKEKB
3 km

LER
4 GeV

Belle II
40x
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green: integrated luminosity

May.2000
Apr.2003
Dual Bunch e+
Feb.2005
Continuous
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Dec.2008
Crab Cavities andSimultaneous Injection

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Damping ring

F.B

SuperKEKB-LER Injectione– (3.5GeV, 10nC)

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e+ Targete+ (4GeV, 4nC)

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F.B

F.B

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