Robin FERDINAND, Guillaume Normand; Marco Di Giacomo; Franberg Hanna; Omar Kamalou; Jean-Michel Lagniel; Alain Savalle; Didier Uriot; Franck Varenne
209/20/2018 THPO047 - R. Ferdinand
Started Cool down started. RF when safety authorization
Particles H+ D+ ions optionA/Q 1 2 3 6
Max I (mA) 5 5 1 1Max energy (MeV/A) 33 20 15 8.5
Max beam power (kW) 165 200 45 51
10/09/2018 3injecteur SPIRAL2
Significant efforts to obtain results, conditioning now coming to an end Started on October 2015… far from full time Not finished but on a good path, mainly because we have a better
conditioning procedure
New procedure – LLRF improvementsHold the nominal A/Q = 3 voltage (114kV) for a few hours, enough for beam measurementIntegration of a PLL
509/20/2018 THPO047 - R. Ferdinand
0:00
1:00
2:00
3:01
4:01
5:02
6:02
11h5
0-20
h20
20h5
5-3H
553h
55-1
2h50
12h5
0-21
h21
h-5h
5h-1
3h13
h-21
h15
22h-
6h6h
-14h
14h-
22h
22h-
6h05
6h05
-14h
2016
h-24
h0h
00-8
h30
8h30
-17h
17h3
0-1h
1h-9
h9h
-17h
17h-
1h1h
-9h
9h-1
7h17
h-1h
1h-9
h9h
-18h
3018
h-21
h12
h-20
h15
12h-
20h1
520
h15-
4H15
4h15
-12h
1512
h15-
20h1
520
h15-
4H15
4h15
-12h
3012
h30-
20-3
020
h30-
4h30
4h30
-7h5
017
h-3h
118 kV CW maximum operation time before a spark – May 9-22
5mA In
5mA Out
709/20/2018 THPO047 - R. Ferdinand
rf operation stable and reliable for Proton/Helium, Oxygen
809/20/2018 THPO047 - R. Ferdinand
18O6+18O6+RFQ
LEBT1 LEBTc D-Plate
809/20/2018 THPO047 - R. Ferdinand
18O6+18O6+RFQ
LEBT1 LEBTc D-Plate
809/20/2018 THPO047 - R. Ferdinand
18O6+18O6+RFQ
LEBT1 LEBTc D-Plate
809/20/2018 THPO047 - R. Ferdinand
18O6+18O6+RFQ
LEBT1 LEBTc D-Plate
809/20/2018 THPO047 - R. Ferdinand
18O6+18O6+RFQ
LEBT1 LEBTc D-Plate
εxx’ /εyy’ (π.mm.mrad) βxx’ / βyy’(mm/π.mrad)
αxx’ / αyy’
Simulation 0.40 / 0.41 0.7 / 3.5 -0.6 / -3.0
Measurement 0.40 / 0.58 0.6 / 4.0 -0.5 / -3.3
9THPO047 - R. Ferdinand
y = 25.465x2 + 56.789x + 44.923R² = 0.9963
0
20
40
60
80
100
120
-2 -1.5 -1 -0.5 0 0.5 1
z² (m
m²)
T11
oxygène 18 : 0.754 pi.deg.MeV
09/20/2018
Make an second order fit of the curve: z2=f(T11)
numeric method (Linear approach)
9THPO047 - R. Ferdinand
y = 25.465x2 + 56.789x + 44.923R² = 0.9963
0
20
40
60
80
100
120
-2 -1.5 -1 -0.5 0 0.5 1
z² (m
m²)
T11
oxygène 18 : 0.754 pi.deg.MeV
Particle Tracewin(π.deg.MeV)
Measured(π.deg.MeV)
Diff.
Proton 0.034 0.039 +15%
Helium 0.19 0.13 -32%16O6+ 0.72 0.64 -11%18O6+ 105kV 0.73* 0.74 +1%18O6+ 113kV 0.78 0.81 +4%
09/20/2018
Make an second order fit of the curve: z2=f(T11)
numeric method (Linear approach)
9THPO047 - R. Ferdinand
y = 25.465x2 + 56.789x + 44.923R² = 0.9963
0
20
40
60
80
100
120
-2 -1.5 -1 -0.5 0 0.5 1
z² (m
m²)
T11
oxygène 18 : 0.754 pi.deg.MeV
Particle Tracewin(π.deg.MeV)
Measured(π.deg.MeV)
Diff.
Proton 0.034 0.039 +15%
Helium 0.19 0.13 -32%16O6+ 0.72 0.64 -11%18O6+ 105kV 0.73* 0.74 +1%18O6+ 113kV 0.78 0.81 +4%
09/20/2018
Make an second order fit of the curve: z2=f(T11)
numeric method (Linear approach)
9THPO047 - R. Ferdinand
y = 25.465x2 + 56.789x + 44.923R² = 0.9963
0
20
40
60
80
100
120
-2 -1.5 -1 -0.5 0 0.5 1
z² (m
m²)
T11
oxygène 18 : 0.754 pi.deg.MeV
Particle Tracewin(π.deg.MeV)
Measured(π.deg.MeV)
Diff.
Proton 0.034 0.039 +15%
Helium 0.19 0.13 -32%16O6+ 0.72 0.64 -11%18O6+ 105kV 0.73* 0.74 +1%18O6+ 113kV 0.78 0.81 +4%
09/20/2018
* Removing the tail
Make an second order fit of the curve: z2=f(T11)
numeric method (Linear approach)
RFQ cavity conditioned at nominal voltage (114kV)RFQ specifications reached (100% trs, CW) and RFQ beams as expected.Very good agreement measurements vs TraceWinsimulations for our three reference particle beams RFQ simulations are relevant enough to be used as
starting point for linac injection.Next : Ready for the linac !
Come and see us at the poster
1109/20/2018 THPO047 - R. Ferdinand
12THPO047 - R. Ferdinand09/20/2018
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