Difference between revisions of "KLF Beamline"

From kl project
Jump to navigation Jump to search
Line 67: Line 67:
 
| Be target diameter                ||  align=center  | 7cm                ||  align=left  |  
 
| Be target diameter                ||  align=center  | 7cm                ||  align=left  |  
 
|-style="background-color:lime"  
 
|-style="background-color:lime"  
| Tungsten plug length              ||  align=center  | 14cm                ||  align=left  |
+
| Tungsten plug length              ||  align=center  | 14cm                ||  align=left  | 90/10 W/Cu, ρ=16.5 g/cm<sup>3</sub>
 
|-  
 
|-  
 
| Tungsten plug width (x&y)          ||  align=center  | ??cm                ||  align=left  |  
 
| Tungsten plug width (x&y)          ||  align=center  | ??cm                ||  align=left  |  

Revision as of 11:26, 30 January 2025

Beamline Meetings

Weekly remote Zoom meetings on Thursdays at 9:00am

Meetings in 2025

Meetings in 2024

Join ZoomGov Meeting
https://jlab-org.zoomgov.com/j/1606674688?pwd=b3dnTzJWVEtxZExGRnFoY29PSGkxQT09

Meeting ID: 160 667 4688
Passcode: 709878

Pages for the KLF new beamline components


Drawings

Collimator Cave engineering drawing showing the overview of the beamline and the KPT design

Basic Parameters

Table: KLF beamline basic parameters inside and after collimator cave (green background means the parameter is defined).
Paramater Value Comment
Radiator thickness 0.2 X0 Made of copper (2.87mm)
Be target length 40cm
Be target diameter 7cm
Tungsten plug length 14cm 90/10 W/Cu, ρ=16.5 g/cm3
Tungsten plug width (x&y) ??cm
Beam pipe diameters ??cm Needs optimizing
Beamline shielding wall ?? Needs optimizing
Sweeping magnetic field 0.82 (T•m) 0.23T inside the gap
PS magnetic field 1.65 (T•m) 1.8T inside the gap
LH2 target length 40cm May not be final
LH2 target diameter 6cm

Requirements for KLF electron beam tuning

Table: KLF electron beam specifications (pink background means the specs are not defined)
Beam Paramater @ CPS radiator @ KPT entrance
Beam current 50 nA ≤ IB ≤ 5 μA N/A
Beam emmitances εx,y ≤ 20 nm-rad Ν/Α
Beam spot size σx,y = 1.2 mm, (0.8 mm ≤ σx,y ≤ 1.5 mm) σx,y ≤ 1 cm
Beam position stability (@ 1 Hz) σx,y ≤ 0.2 mm σx,y ≤ 2 mm
Beam halo (halo-to-peak) < 10−4 at r ≥ 5σx,y N/A
Beam excursion limits in FSD Δx,y ≥ 1 mm Δx,y ≥ 1 cm
Bleedthrough from out-of-time bunches Specs undefined N/A