Decay Channel Lattice
0.5
[0.5,1]
D2+
0.5718
[0.5,1]
D1
Length (m)
Drifts
0.15
[0.1,0.4]
S25+
0.15
[fixed]
Final (S34)
±3.3
(alternating)
[-4,4]
S5-S24
0.4
[0.2,0.6]
0.3
[0.1,0.4]
−
3.3, 4,
−
3.3
[-5,5]
S2-4
0.4066
[0.2,0.45]
0.1
[fixed]
20
[0,20]
S1
Length (m)
Radius (m)
Field (T)
Solenoids
•
12 parameters
–
Solenoids alternated in field strength
and narrowed according to a pattern
•
137 parameters
–
Varied everything individually
0.1
[0,0.5]
Angle (radians)
0.01
[fixed]
Radius (m)
0.2
[fixed]
Length (m)
0.2033 (S1 centred)
[0,0.45]
Z displacement (m)
from S1 start
Tantalum Rod
Original parameters /
Optimisation ranges