Superconducting RF cavities for High Current Energy Recovery Linacs
Superconducting RF cavities for High Current Energy Recovery Linacs
Superconducting RF cavities for High Current Energy Recovery Linacs
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HOM Power & Kick<br />
P avg = 2k || IQ<br />
k || ∝ 1<br />
√ √<br />
d Nc<br />
R iris σ z<br />
1.5<br />
Single Cell<br />
1.2<br />
BNL<br />
TESLA<br />
CEBAF<br />
10 3 10 -2 10 -1 10 0 10 1 10 2<br />
(CORNELL, 4GLS, KEK)<br />
eRHIC<br />
BNL(ERL, eCooling)<br />
k || (σ)/cell [V/pC]<br />
0.9<br />
0.6<br />
10 2<br />
JLAB(100 kW)<br />
10 kW<br />
0.3<br />
Average <strong>Current</strong> [mA]<br />
10 1<br />
10 0<br />
10 -1<br />
10 -2<br />
JLAB(1 kW)<br />
JLAB(10 kW)<br />
JAERI<br />
ELIC<br />
LUX<br />
Charge/Bunch [nC]<br />
*** Avg. Power Normalized to 1 V/pC<br />
0.1 W<br />
1 W<br />
10 W<br />
100 W<br />
1 kW<br />
Power<br />
0<br />
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5<br />
k ⊥ ∝ 1<br />
R 3 iris√<br />
dσz N c<br />
k t (σ)/cell [V/pC/m]<br />
8<br />
6<br />
4<br />
2<br />
σ [cm]<br />
Single Cell<br />
0<br />
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5<br />
σ [cm]<br />
BNL<br />
TESLA<br />
CEBAF
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