1. E.Bulyak, P.Gladkikh, M.Kuriki, T.Omori, L.Rinolfi,
J.Urakawa, A.Variola, F.Zimmermann.
Compton Ring Lattice.
Work supported by “Grant-in-Aid for Creative Research
of JSPS (KAKENHI 17GS0210)”
POSIPOL07. Compton Ring Lattice.

2. <>  15 MeV, E0 = 1300 MeV, <> / E0 = 1.15 %   
n = 3  δ = 2 %
4.1 GeV + CO2  n = 19, δ = 1.6 %
POSIPOL07. Compton Ring Lattice.

3. 3 <  / δ < 4  τq1 / τq2 < 30
 = 5.5 %,  / δ =3.33, δ = 1.65 %, τq = 1 s,
tcycle = 6.67 ms  frep = 150 Hz
tgen = 1 ms, τq = 1 s  Neb / Neb ≈ tgen / τq = 10-3 ;
 Ntot / Neb = frep× Neb / Neb = 15 %
nγ / Neb <  ; Ne+ = 1×1014  / s, kphef = 
Nγ  tot = 1.5×1016 / s , Nγ = 1014 /cycle , Neb > Nγ / 2.5 = 4×1013 ;
Istor ≈ 1 A  C ≈ 2 km
POSIPOL07. Compton Ring Lattice.

4. 1 = 7 %, δ1 = 2.1 %;
2 = 5.5 %, δ2 = 1.65 %;
δ1 / δ2 =  C2 / C1 = 1.6
E = 2 × 50 MeV
E0 = 1.3 GeV, <> / E0 = 1.15 %  E0 = 1.07 Gev , <> / E0 = 0.93 %
 C1 / C2 = 1.5
POSIPOL07. Compton Ring Lattice.

5. θ = 1 / γ ≈ 4×10-4, Ra > θ × LIP / 2 = 6 mm;
ph = 15 μ  mir = 2.7 mm, Rmir > 4.5×σmir ≈ 12 mm ,
φ = 100
POSIPOL07. Compton Ring Lattice.

6. E0 = 1.070 GeV, C ≈ 1200 m (h = 7500), φ = 100, Wlas = 2 J,
nγ / Neb = 3, Ne+ = 1.05×1014 / s, 10 Mev ≤ εγ ≤ 20 MeV, Neb / Neb ≈ 17 % / s 
POSIPOL07. Compton Ring Lattice.

7. POSIPOL07. Compton Ring Lattice.
E = 1.070 GeV
E = 1.300 GeV
Parameter
With chic.
Without chic.
Gamma’s energy, MeV
10 – 20
15 – 30
Circumference, m
800
1280
1200
1920
Energy acceptance, % 7
5.5
Laser flash energy, J 2
Laser waist (RMS), μ 15
Laser pulse length (RMS), mm
0.5
RF voltage, MV
2×40 20
2×50 30
Bunch length, mm
4 – 6
Bunch charge, nC
Bunch spacing, cm 48
Stored current, A
1.25
Energy losses (SR + wigglers), keV
700
1000
Particles losses per sec., %
< 20
Positron number per sec.
1.051014
POSIPOL07. Compton Ring Lattice.