Differences

This shows you the differences between two versions of the page.

--- group_secar2.0 [2018/09/13 14:28]
plastun
+++ group_secar2.0 [2018/09/13 15:05]
plastun
@@ Line 28: / Line 28: @@
 {{ :reaction_kinematics.png?400 |}}
-Reaction summary for <sup>45</sup>V+p→γ+<sup>46</sup>Cr, E<sub>kin</sub>(<sup>45</sup>V)=135 MeV\\
+Reaction summary for <sup>45</sup>V+p → γ+<sup>46</sup>Cr, E<sub>kin</sub>(<sup>45</sup>V)=135 MeV\\
 The maximum γ energy is 8.481 MeV. The minimum γ energy is 7.249 MeV.\\
 The maximum <sup>46</sup>Cr energy is **132.634 MeV**. The minimum <sup>46</sup>Cr energy is **131.402 MeV**. The maximum <sup>46</sup>Cr angle is **0.13 degrees**.\\
@@ Line 93: / Line 93: @@
 ==== Optics misalignments ====
-We populated "X-θ" phase-space with rays distributed on the border of ellipse. Number of ray in another planes is set to one.
+**Beam position. Longitudinal offset.**
-Created loop for target position. Observed piece-wise curve for resolution vs target offset (see figure below) in case of 4th order calculation. If order reduced to the 1st, than curve is smooth, but maximum resolution is shifted.
-{{ :target_offset.png?400 |}}
+We populated "X-θ" phase-space with rays distributed on the border of ellipse by the loop:
+''LOOP PHI 0.0 360 5;\\
+SRXX:= XX*COS(PHI*3.14159/180);\\
+SRAX:= AX*SIN(PHI*3.14159/180);\\
+ENDLOOP;''
+Rays in another planes are on-axis:
+''SRYY:= 0.0;
+SRAY:= 0.0;
+SRDE:= 0.0;''
+Created loop for target position. Observed piece-wise curve for resolution vs target offset (meters) (see figure below) in case of 4th order calculation. If order reduced to the 1st, than curve is smooth, but maximum resolution is shifted.
+{{ :target_offset.png?450 |}}
+The resolution drops by 5% at the offsets (-5 mm, +7 mm).\\
+**Beam position. Transverse offset.**
+{{ :transv.png?450 |}}
+The resolution drops by 5% at the beam offsets (-0.8 mm, +0.5 mm). The offset is of the beam half-size order. \\
+==== Recoil tracking ====
+**<sup>45</sup>V+p → γ+<sup>46</sup>Cr**
+Beam is set to 132MeV <sup>46</sup>Cr<sup>14+</sup>\\
+''RP 132.0 46*PARA(1) 14*PARA(2) ;''\\
+''{Design acceptances, depends on kinematics of a specific reaction!}\\
+XX:=0.0005;\\
+AX:=0.01726;\\
+YY:=0.0005;\\
+AY:=0.01726;\\
+DE:=0.0047;''

JINA-CEE ION OPTICS SUMMER SCHOOL: JIOSS 2018

User Tools

Site Tools

Differences

Page Tools