Revision as of 13:13, 3 February 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
KPT γ-beam channel width	14cm	Rectangular (square cross section)
Be target diameter	7cm	Cylindrical (circular cross section)
Tungsten plug length	14cm	90/10 W/Cu, ρ=16.5 g/cm³
Tungsten plug width (x&y)	14.2cm	Rectangular (square cross section)
Beam pipe diameters	??cm	Needs optimizing
Beamline shielding wall	??	Needs optimizing
Sweeping magnetic field	0.82 (T•m)	\|B_x\|=0.23T inside the gap
PS magnetic field	1.65 (T•m)	\|B_x\|=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 ≤ I_B ≤ 5 μA	N/A
Beam emmitances	ε_x,y ≤ 20 nm-rad	Ν/Α
Beam spot size	σ_x,y = 1.2 mm, (0.8 mm ≤ σ_x,y ≤ 1.5 mm)	σ_x,y ≤ 1 cm
Beam position stability (@ 1 Hz)	σ_x,y ≤ 0.2 mm	σ_x,y ≤ 2 mm
Beam halo (halo-to-peak)	< 10⁻⁴ at r ≥ 5σ_x,y	N/A
Beam excursion limits in FSD	Δ_x,y ≥ 1 mm	Δ_x,y ≥ 1 cm
Bleedthrough from out-of-time bunches	Specs undefined	N/A

@@ Line 59: / Line 59: @@
 |+ Table:  KLF beamline basic parameters inside and after collimator cave (green background means the parameter is defined).
 |- bgcolor=#DFDFDF
-! width=250px |  Paramater           !!  width=200px   |  Value       !!  width=200px  | Comment
+! width=250px |  Paramater           !!  width=200px   |  Value       !!  width=300px  | Comment
 |-style="background-color:lime"
 | Radiator thickness                 ||  align=center  | 0.2 X<sub>0</sub>   ||  align=left   | Made of copper (2.87mm)
 |-style="background-color:lime"
 | Be target length                   ||  align=center  | 40cm                ||  align=left   |
 |-style="background-color:lime"
-| Be target diameter                 ||  align=center  | 7cm                 ||  align=left   | Cylindrical
+| KPT γ-beam channel width           ||  align=center  | 14cm                ||  align=left   | Rectangular (square cross section)
+|-style="background-color:lime"
+| Be target diameter                 ||  align=center  | 7cm                 ||  align=left   | Cylindrical (circular cross section)
 |-style="background-color:lime"
 | 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  | 14.25cm (??)        ||  align=left   | Rectangular
+| Tungsten plug width (x&y)          ||  align=center  | 14.2cm              ||  align=left   | Rectangular (square cross section)
 |-
 | Beam pipe diameters                ||  align=center  | ??cm                ||  align=left   | Needs optimizing

Difference between revisions of "KLF Beamline"

Revision as of 13:13, 3 February 2025

Contents

Beamline Meetings

Meetings in 2025

Meetings in 2024

Pages for the KLF new beamline components

Drawings

Basic Parameters

Requirements for KLF electron beam tuning

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