Olivier: June 11, 2019
Sequence referenced to drawing ISK4585D.dwg at coords [INCH]:
x = 169.264"
y = 167.267"
Olivier: sequence ends on ISK4585D.dwg at coords [INCH]:
x = 198.108"
y = 152.253"
which is the start of ios_db1
Olivier: Referenced to drawing ISK4209d.dwg
Quadrupole lengths verified
Quadrupole apertures verified
Start of sequence is defined at points [in]
x = 297.535"
y = -64.219"
Feb 14 2019 - Quadrupole polarities were backwards.
Fixed.
Sept 23 2019 - re-referenced to drawings IIS0135D.dwg,
IIS0192D.dwg and ILE0173D.dwg
Olivier April 2 2020 - I found all EQ's with incorrect
lengths. I think this is from all the back and forth
with EQSkim. Odd, as we had agreed to put it in. I'll
correct the quadrupole lengths in ios_db1.xml, as it's
supposed to be the skimmer-less version. I'll add the
skimmer EQSkim (later) in ios_db1_skim.xml.
IOS:Q1 l = 99.72*mm, effl=48.92*mm
Switch ref: IIS0192D.dwg (note backward X-def'l - told Brian).
start coords defined at point [in]:
x = 42.9013"
y = 30.3312"
which is midpoint Q2 on IIS0135D.dwg
Switch ref: ILE0173D.dwg (note units incorrectly scaled by factor of 2. Div
everything by 2). Start coords defined at point [in]:
x = -16.054"
y = 25.303"
which is midpoint Q3 on IIS0192D.dwg
FC3 position approximate (410mm) - see ILE0173D.dwg
Olivier: regarding IOS:MB, see:
http://lin12.triumf.ca/optr/ISAC/OLIS/3head/matlab/sy.f
or
http://lin12.triumf.ca/optr/ISAC/OLIS/SuperNanogan/sy.f
values (from Rick):
(SLAC-75 parameters):
ak1 = 0.317
ak2 = 2.0
(other parameters):
rho = 11.728" (bob's sy.f)
fullgap = 5.0800 cm
from my computations, taking an effective field boundary
of 0.998", I get (Olivier):
rho = 29.9887cm = 11.8066
rho*theta(60deg) = 31.4041cm
edge angle is 0 both in and out.
http://lin12.triumf.ca/optr/ISAC/OLIS/3head/matlab/sy.f
Olivier: IOS:FC6 position placeholder to avoid negative drifts.
Spencer: EMIT and FC6 from ISK4209.dwg, but swapped their positions
as clearly emit is actually before FC6, so locations are approximate.
Olivier: IV7 and all attenuators are to be considered
approximate. Changes made to IOS attenuators circa
2016 are not encoded in the Ray Dube drawing.
This is the OLIS 10x attenuator
This is the OLIS 120x attenuator
This is the OLIS 210x attenuator
This is the OLIS 3400x attenuator
Olivier: ordrevB was -156.97mm before Q9, I've modified it's position
accordingly - Q9 position changed Sept 23 2019 after re-measure.
(Spencer?) Q9 length changed from eletrical length to effective. See:
http://lin12.triumf.ca/Optics/Quadrupoles/FFintegrals/ISISACsummary.txt
DEPRECATED:****************************
Olivier: end of sequence defined on ISK4209d.dwg at coordinates [inches]
x = 260.685"
y = -183.743
***************************************
Sequence ends on ILE0173D.dwg at coords [inches]:
x = 97.342"
y = -0.850
which is the same distance from the midpoint of Q9 from the old
deprecated measure above. This is the start of sequence ios_db10.xml
Olivier: Drawing referenced ISK4209d.dwg.
Quadrupole apertures verified.
Bender gap parameters verified.
Quadrupole polarity taken from above dwg.
From ISK4209d.dwg, the curved line segment within the bender
electrode has a length of l = 7.854" = 19.9492cm, which is consistent
for all benders in both the IOS:DB10 section and the ILT corner to the
RFQ.
Thus, the midpoint of the curved segment, at the optical center
of the bender path is at l = 3.927" = 9.97458cm from the point
at which the curved line begins on the drawing.
NOTE: ON ISK4209d.dwg, this sequence starts at (inches):
x = 260.685"
y = -183.743"
which corresponds to the top side of the blue, horizontal,
rectangular bar immediately below IOS:Q9, on the drawing.
Olivier: this sequence ends on ISK4209d.dwg at coordinates [inches]:
x = 291.109"
y = -214.168"
this point corresponds to the right hand side of the vertical blue
rectangle immediately to the left of ILT:Q33.
total path length s = 1182.2216mm
Olivier: Jan 31 2019, compared some distances to ISK4209d.dwg
found several discrepancies. Unclear where some of these were
referenced from.
Quadrupole optr tags and polarity have been obtained from above
source.
Update - Feb 14 2019: Quadrupole polarities in ILT seem to have
originally been coded in reverse. Polarities have been re-verified
against both isk4209d.dwg and Rick's original ilt-ira optr tune
at lin12.triumf.ca/optr/ISAC/RFQ_buncher/sy.f
Prebuncher remains to be modelled in opera-2D. Remains unclear
how to elegantly transition TRANSOPTR from DC to bunched. Will
have to get guidance from Rick.
For now, I've implemented a triple discrete RFGAP call for the
prebuncher. This is useful for longitudinal bunching, however
it's unclear if this will do a good job simulating the actual
prebuncher.
Start of sequence on ISK4209d.dwg is at position [inches]
x = 291.109"
y = -214.168"
Spencer:
End of sequence on ISK4209d.dwg is at position [inches]
x = 277.9285"
y = 207.6593"
this is 1.8" downstream of the centre of ILT:Q42.
Corresponds to position on ARIEL drawing ART2080.dwg of:
x = 1839813.25 mm
y = 2189703 mm
Note that the units on ART2080.dwg appear to be messed up. To get an
actual distance in mm the units given on drawing need to be divided by 25.4.
Olivier: Jan 31 2019, compared some distances to ISK4209d.dwg
found several discrepancies. Unclear where some of these were
referenced from.
Quadrupole optr tags and polarity have been obtained from above
source.
Update - Feb 14 2019: Quadrupole polarities in ILT seem to have
originally been coded in reverse. Polarities have been re-verified
against both isk4209d.dwg and Rick's original ilt-ira optr tune
at lin12.triumf.ca/optr/ISAC/RFQ_buncher/sy.f
Spencer:
Start of sequence on ISK4209d.dwg is at position [inches]
x = 277.9285"
y = 207.6593"
this is 1.8" downstream of the centre of ILT:Q42 (at the skimmer).
Spencer:
Sequence ends at upstream edge of the skimmer upstream of ILT:Q47.
Coordinates of that on ISK4209d.dwg are (measured using e drawings PRO):
x = 7831.4155 mm
y = 4502.5396 mm
Equivalent coordinates of that on ART2080.dwg are (measured using e drawings PRO):
X: 1820204.125 mm
Y: 2209312.0 mm
Note that the units on this drawing (ART2080.dwg) appear to be messed up. To get an actual
distance in mm the units given on drawing need to be divided by 25.4.
Olivier: Jan 31 2019, compared some distances to ISK4209d.dwg
found several discrepancies. Unclear where some of these were
referenced from.
Quadrupole optr tags and polarity have been obtained from above
source.
Update - Feb 14 2019: Quadrupole polarities in ILT seem to have
originally been coded in reverse. Polarities have been re-verified
against both isk4209d.dwg and Rick's original ilt-ira optr tune
at lin12.tri
umf.ca/optr/ISAC/RFQ_buncher/sy.f
Spencer:
Sequence starts at upstream edge of the skimmer upstream of ILT:Q47.
Coordinates of that on ISK4209d.dwg are (measured using e drawings PRO):
x = 7831.4155 mm
y = 4502.5396 mm
Equivalent coordinates of that on ART2080.dwg are (measured using e drawings PRO):
X: 1820204.125 mm
Y: 2209312.0 mm
Note that the units on this drawing (ART2080.dwg) appear to be messed up. To get an actual
distance in mm the units given on drawing need to be divided by 25.4.
Olivier: placeholder booster position. Booster originally in /acc
at s = 5500.00*mm, though likely placeholder. Moved back a bit
to avoid negative drifts. POSITION STILL NEEDS TO BE CONFIRMED
all EPICS PV's need to be verified for name
**************************OLD******************************
Olivier: IRA:Q4 centerpoint is to be used for alignment
of RFQ vane mapping.
RFQ 2term field map original length = 760.1275cm, which starts
at the beginning of the radial matching section.
From Larry Root's bnd_rms4.f Relax3D simulation for the RMS,
quotes distance of 6 reference cell length (first cell) to
start of RMS, equal to 5.3250522cm.
From drawings ISK0141D.dwg, ILE0195D.DWG,
end point of IRA:Q4 coincides with beginning of RFQ tank
vacuum point. Thus, add dS = 10*5.53250522mm + 0.5*1.0*25.4 (half of
IRA:Q4 length), for dS = 68.0250522mm from midpoint of IRA:Q4
to start of RFQ vane/RMS.
drift distance from middle of IRA:Q4 to RFQ map centerpoint:
S_RFQ = S_Q4 + 0.5*25.4+1" + 10*5.53250522 + 0.5*10*760.1275
S_RFQ = S_Q4 + 3868.6626mm
Note that this is a single data point, from Larry Root,
which was done during development. There is still no hard
value for positioning of the RFQ vane, with respect to
a known reference point.
It will be critical to find this distance, with accuracy
and precision, if the model is to be trusted.
Olivier: Rotation by -45deg to accomodate tilted RFQ 4-vane structure.
From RFQ vane positioning measured back from MEBT:Q1/endOf_sequence,
this places the end of the IRA:Q4 to RFQ start drift position at
s = 6729.9224.
The twiss parameters at the RFQ entrance (beginning of radial matcher)
which produce an ideal match are as follows:
(same for x,y - transverse)
a = 0.416685
b = 5.229370
call TWISSMATCH( 1, 0.41665, 5.229370, 1., 1)
call TWISSMATCH( 3, 0.41665, 5.229370, 1., 1)
Olivier: Distance on ISK0141D.DWG from IRA:Q4 midpoint at
x = -111.298"
y = 2913.729"
measured to beginning of MEBT vacuum flange at:
x = -111.298"
y = 3221.523" (end of sequence point x,y)
is dY = 307.794" = 7817.9676mm
also note that the above point (-111.298";3221.523")
corresponds to the point, on IBP0436D.DWG:
x = 217.679"
y = 76.798", which is the start of the mebt_db0 sequence.
Olivier: Sequence starting point referenced to IBP0436D.DWG
at coordinates (inches):
x = 217.679"
y = 76.798"
This corresponds to the start of the vacuum flange on the
MEBT side, and agrees with both drawings IBP0436D.DWG and
on ISK0141D.DWG to (inches);
x = -111.298"
y = 3221.523"
this ensures the ilt_db33 sequence and mebt_db0 start at
a common reference point with no artificial drifts.
call TWISSMATCH( 1, -2.35, 98.0, 1., 1)
call TWISSMATCH( 3, 0.14, 10.7, 1., 1)
Danfysik 1987 L1 - QE-12B - #87115
Danfysik 1987 L1 - QE-7B - #87104
Danfysik 1987 L1 - QE-13A - #87130
Danfysik 1987 L1 - QE-12A - #87135
Danfysik 1987 L1 - QE-13B - #87134
This device does not exist in EPICS at all, it is a foil carousel that is adjusted locally.
Olivier: Back-rotate by -45deg around optical axis.
At this point, MEBT quads go from being tilted by 45
to being "flat".
The bunch rotator is used to create a round beam spot
on the stripping foil, in addition to a time focus.
Thus, rotating the beam by 45deg (in transoptr) at this
location should not result in discontinuities in the
envelope.
Danfysik 1987 L1 - QE-23 - #87124
Danfysik 1987 L1 - QE-11A - #87118
Olivier: See TRI-DNA-97-03, p. 11-12 for K1 discussion. No word on K2
in that reference however.
"Given that the anticipated vertical beam size in the dipole is +-5mm
= +-0.20in., we suggest that a value of K1 = 0.55 be used in TRANSPORT
calculations."
finally, the full gap is noted as (p.1) g = 2.250in. = 0.0572m = 5.72cm
Note that these are design parameters, but for now it is the only measured
reference.
Danfysik 1987 L1 - QE-11B - #87123
Danfysik 1987 L1 - QE-24A - #87122
Danfysik 1987 L1 - - #87125
Danfysik 1987 L1 - - #87112
Danfysik 1987 L1 - - #87129
Danfysik 1987 L1 - - #87120
Olivier: end of mebt db0 marker is measured on DTL tank1 outer surface, on the MEBT:Q13 side.
On IBP0500D.DWG, this corresponds to coordinates [inches]:
x = 51.9199"
y = 71.1069"
Olivier: I've changed endOf_mebt_db0 reference to being tank1 outer surface on IBP0500D.DWG. Therefore, it follows that
all values referenced in the DTL (this file) are referenced to the same point on IRF1002D.DWG. This places tank1 midpoint
s-coordinate at the middle of my DTL Tank1 opera mapping, which is also referenced to tank1 outer surface (on the MEBT:Q13
side). January 29, 2019
IRF1002D.DWG, tank1 start point X=51.1528"
tank1 field map (Opera) length = 12.8923"
NOTE: Feb 21 2019 - all XY steerers placed 10mm after the central triplet quad
as a placeholder for tuneX.
NOTE: Sept 13, 2019 (Olivier): see TRI-BN-19-18 for langevin DTL quad fits
do not remove factor of 2 multiplying langevin tanh values.
The optr attribute scalX is the x-scaling of the pseudoLangevin function
defined as the interval over which original magnet surveys were performed.
NOTE: Sept 15, 2020 (Spencer) - all diagnostic devices are just temporarily put
at positions so as to avoid negative drifts.
Position is placeholder to avoid negative drifts.
Position is placeholder to avoid negative drifts.
Olivier: DTL:XYCB2 placed 10mm after Q2 as a placeholder.
IRF1002D.DWG, buncher1 start point X=78.3961"
buncher1 field map (Opera) length = 5.1378"
Position is placeholder to avoid negative drifts.
Position is placeholder to avoid negative drifts.
DTL Tank2 referenced to tank2 outer surface on IRF1002D.DWG, corresponding to X=85.4433", consistent with Opera simulation
alignment reference.
IRF1002D.DWG Tank2 start outer surface X = 85.4433"
tank2 field map (Opera) length = 21.5650"
Olivier: DTL:XYCB5 placed 10mm after Q5 as a placeholder.
IRF1002D.DWG Buncher2 start outer surface X = 121.3338"
buncher2 field map (Opera) length = 5.8465"
Position is placeholder to avoid negative drifts.
Position is placeholder to avoid negative drifts.
IRF1002D.DWG Tank3 start outer surface X = 129.0897"
tank3 field map (Opera) length = 32.1950"
Olivier: DTL:XYCB8 placed 10mm after Q8 as a placeholder.
IRF1002D.DWG Buncher3 start outer surface X = 175.6102"
buncher3 field map (Opera) length = 6.8307"
Position is placeholder to avoid negative drifts.
Position is placeholder to avoid negative drifts.
IRF1002D.DWG Tank4 start outer surface X = 184.3503"
tank4 field map (Opera) length = 37.3130"
Olivier: DTL:XYCB11 placed 10mm after Q11 as a placeholder.
Position is placeholder to avoid negative drifts.
Position is placeholder to avoid negative drifts.
IRF1002D.DWG Tank5 start outer surface X = 238.8107"
tank5 field map (Opera) length = 40.4630"
end of dtl_db0 referenced to Tank5 outer surface on IRF1002D.DWG
at X = 279.2737"
Olivier: Sequence starts on drawing IHE0281D.DWG at coordinates
(milimeters):
x = 1403.8054mm
y = 11955.7177mm
which corresponds to the outer surface of DTL Tank5, also
corresponding to the end of sequence for dtl_db0.xml, referenced
to drawing IRF1002D.DWG at (inches):
x = 279.2737"
y = 157.4651"
November 24, 2019
Olivier - marker t3d tune starts 65.0cm before Q1
BI relationships based on data collected by D. Evans
and analysis by R. Baartman (B-I Curve fits for TRIUMF Quads - TRI-DN-07-04)
Danfysik 1987 L1
Danfysik 1987 L1 - QE-9B - #87109
Danfysik 1987 L1 - QE-22C - #87107
HEBT:Q4 DISABLED. Danfysik 1987 L1 - QE-21 - #87127
Danfysik 1987 L1 - QE-19C - #87110
Historical T3D tune 'hebt1-august2012-noQ4.t3d' matches to round beam spot here.
Below fits alpha_x = alpha_y = 0, beta_x = beta_y = 0.2 mm/mrad (20.0 cm/rad)
call TWISSMATCH(1, 0., 20.0, 1., 1)
call TWISSMATCH(3, 0., 20.0, 1., 1)
Olivier: strp5 position at s=3681.7971mm produces
a ~5.22cm error with trace3D benchmarking, when sub-sequence
from HEBT:Q6 to HEBT:Q10. Adjusted accordingly.
Olivier: diag positions for FC5,SCD5 are placeholders to
avoid negative drifts.
Danfysik 1987 L1 - QE-20A - #87111
Danfysik 1987 L2 - QE-26B - #87147
Danfysik 1987 L1 - QE-20C - #87117
Olivier: XCOL8A actual position is (millimeters);
y = 5869.6426mm
producing an s value of (mm):
s = 6086.0751, which places it within DSB:MB0 - not doable
in transoptr, so device was moved back. This device is not
used in beam simulations.
Olivier: Sequence ends on drawing IHE0281D.DWG at coordinates
(millimeters):
x = 1403.5516mm
y = 6007.5647mm
REFERENCES
Trace 3d files:
PraguemagnetApril2012.t3d
Design drawings:
IHE0149D (HEBT)
IHE0281D (DSB)
Sequence starts at leading edge of DSB:MB0
Olivier: Apr 11, 2019. This sequence may be deprecated
due to lack of tunables. I've amalgamated this sequence
in hebt_db9.xml, which starts from the end of sequence
hebt_db0 and drifts to HEBT:Q9. The location of the prague
is noted as a drift for reference.
REFERENCES
Trace 3d files:
PraguemagnetApril2012.t3d
Design drawings:
IHE0149D (HEBT)
IHE0281D (DSB)
Sequence starts on IHE0281D.DWG at coordinates [millimetres]:
X = 1403.9468mm
Y = 6007.5647
which is the end position of sequence hebt_db0. Note, hebt_db0 ends
at coordinates, on IHE0281D.DWG:
X = 1403.8054mm
Y = 6007.5647mm
there is a slight misalignment between the on-axis line defining the
beam axis on IHE0281D.DWG producing an x-coordinate alignment error of:
dX = 1403.9468mm - 1403.8054mm = 0.1414mm, or 0.0141cm, considered small
given the optics of the Prague magnet, however this should be checked
on TRANSOPTR - how sensitive is the envelope to adding a drift of 0.0141cm?
Olivier: Prague magnet (HEBT1:MB0) field indices need to be verified.
Prague magnet s-position of 1533.6958mm is the length from sequence start
to mid-point of arcline through prague trajectory. Arclength of Prague magnet
is l = 2414.6134mm
Olivier: apr24 - note theta used to be -90deg and entredge/exitedge were erroneously
set to 45deg each (without units), which:
1. gave wrong entry conditions (the edge angle is 0),
2. produced a numerical error as the 90/2 entredge/exitedge didn't have units.
Olivier: FC0 position is approximate, placeholder.
Olivier: SID0 position approximate, placeholder
Olivier: Sequence ends on drawing IHE0281D.DWG at coords [mm]:
X = -1855.8082mm
Y = 2799.7591mm
s
FocalPower
zEnvelope
xDispersion
dp/p
yDispersion
xMeasured
yMeasured
Energy