EMMA
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Geant4 simulation of EMMA
Alpha source:
No
Yes
(Beam/reaction will be simulated with alpha source parameters)
αE:
MeV (Alpha source kinetic energy)
Maxθ:
deg (Max angle alpha source)
n:
(Number of events) *required
Z:
(Proton number) *required
A:
(Nucleon number) *required
Q:
(Charge state) *required
E:
MeV (Kinetic energy) *required
Beam emittance:
Zero
Specify
δE/E:
% (FWHM, beam energy spread)
d:
mm (beam diameter)
γβε:
π mm mrad (Beam transverse emittance)
Central trajectory:
Same as beam
Specify
ZC:
(Proton number)
AC:
(Nucleon number)
QC:
(Charge state)
EC:
MeV (Kinetic Energy)
Two-body reaction:
No
Yes
Reaction: 1+2 --> 3+4:
Z1 = Z
A1 = A
Z2:
(Z2 target) *required
A2:
(A2 target) *required
Z3:
(Z3 recoil)
A3:
(A3 recoil)
Z4:
(Z4 ejectile)
A4:
(A4 ejectile)
Properties of recoil (#3):
θcm,min:
deg (min cm angle of ejectile)
θcm,max:
deg (max cm angle of ejectile)
Q3:
(charge state of recoil)
Ex:
MeV (excitation energy of recoil)
Cross section:
dσ/dΩcm:
mb/sr (solid-angle averaged cross section)
Target:
Out
In
x0:
μm (thickness)
ρ:
g/cm³ (target density)
Number of elements:
1
2
3
4
5
Element #: Z = proton number, M = molar mass (g/mol), η = weight ratio (%)
Element 1:
Element 2:
Element 3:
Element 4:
Element 5:
Degrader 1:
Out
In
x0:
μm (thickness)
ρ:
g/cm³ (degrader 1 density)
Number of elements:
1
2
3
4
5
Element #: Z = proton number, M = molar mass (g/mol), η = weight ratio (%)
Element 1:
Element 2:
Element 3:
Element 4:
Element 5:
Degrader 2:
Out
In
x0:
μm (thickness)
ρ:
g/cm³ (degrader 2 density)
Number of elements:
1
2
3
4
5
Element #: Z = proton number, M = molar mass (g/mol), η = weight ratio (%)
Element 1:
Element 2:
Element 3:
Element 4:
Element 5:
Slit 1:
Out
In
Aperture (+/-):
mm
Slit 2:
Out
In
Aperture (+/-):
mm
Slit 3:
Out
In
Aperture (+/-):
mm
Slit 4:
Out
In
Aperture (+/-):
mm
Multiwire Proportional Counter (MWPC)
p:
Torr *required
T:
°C *required
Ion chamber:
Out
In
p:
Torr
T:
°C
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