1. SHMS Downstream Beamline
Min SHMS / Min Achievable HMS Angle
Dan Young
Ext 5255
4/14/2019

2. 4/14/2019

3. SHMS Downstream Beam Line (SHMS Min Angle)
New Beam Pipes to Accommodate SHMS at Min Angle
3 Beam Pipe Sections
Section “A”
Section “B”
Transition Beam Pipe
Diameter to Fit Cutout In
HB and Q1 Magnet
Transitions from
2.00 OD to OD
Total Long
Beam Line to Dump is the same for all Spectrometer Angles
5 Inch Beam Pipe
Diameter to Fit Cutout
In Q2 Magnet
5.00 OD x 4.50 ID x Long
10 Inch
Beam Pipe
10.75 OD x
79.25 Lg
Move Bellows From Upstream to Downstream of Q2
Bellows and Larger Pipe Diameters Will Not Fit Within Q2 Yoke Cutout At Min SHMS Angle
SHMS Downstream Beam Line (SHMS Min Angle)
Target Chamber to Gate Valve
(Gate Valve to Dump Remains The Same)
4/14/2019

4. SHMS Downstream Beamline Section-A Min SHMS/Min Achievable HMS Angle
Beam Pipe and Supports
Min SHMS/Min Achievable HMS Angle
4/14/2019

5. Angle To Magnet Center Lines 5.5° Deg SHMS Min Angle
Minimum Achievable HMS Angle
SHMS Shown at Min Angle of 5.5°
4/14/2019

6. SHMS Downstream Beamline Section-A
Target
Center
0.00
Scattering Chamber
Window Flange
87.124
SHMS Transition Beam Pipe
29.126
1 ¼ ” Aluminum
CF Half Nipple
2.875 OD x .25
2.00 OD x .188
2.0 OD x .188 wall
Aluminum Tube
Nests inside slot of SHMS Magnet at Min Angle (5.5°)
then transitions to
2.875 OD x ¼ wall
Aluminum Pipe which nests inside slot in Q1 Magnet
2.875 OD x .25
.80° Scatter Angle
SHMS Downstream Beamline Section-A
View illustrating Beam Pipe diameters and .8° Scatter Angle
Min SHMS/HMS Min Achievable Angle (Config -3)
.80° Scatter Angle
4/14/2019

7. Views illustrating 2.875 inch OD Beam Pipe nested in slot in
Views illustrating 2.0 inch OD Beam Pipe nested in slot in Bender Magnet at
SHMS Min Angle of 5.5°
Views illustrating inch OD Beam Pipe nested in slot in
Q1 Magnet at
SHMS Min Angle of 5.5°
4/14/2019

8. Existing Purchase Order
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9. Existing PR for Downstream Beam Pipes
Appears only for Large and Medium Beam Pipe Configurations
Small Beam Pipe appear to have not been ordered or fabricated
4/14/2019

10. Drawings
Small Beam Pipe Configuration
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16. Materials
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17. Ryerson Metals
4/14/2019
Online Metals

18. New Seal
4/14/2019