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group_secar2.0 [2018/09/13 16:26]
plastun
group_secar2.0 [2018/09/13 16:49] (current)
plastun
Line 12: Line 12:
 {{ :dipole.png?300 |}}\\ {{ :dipole.png?300 |}}\\
 ====Understanding COSY Matrix output==== ====Understanding COSY Matrix output====
-Command: OV 1 1 0 ; {order 1, phase space dim 1 INCLUDING ENERGY, # of parameters 0}\\+Command:  
 +<code>OV 1 1 0 ; {order 1, phase space dim 1 INCLUDING ENERGY, # of parameters 0}</code>\\
 Output:\\ Output:\\
 |1.0|0.0|0.0|0.0|-0.41| |1.0|0.0|0.0|0.0|-0.41|
Line 36: Line 37:
 With the spot size on the target, designed to be ±0.5 mm (1σ), the anglular spread then is ±15 mrad.\\ With the spot size on the target, designed to be ±0.5 mm (1σ), the anglular spread then is ±15 mrad.\\
 Adding the calculated spread from the reaction with the target of 0.13 deg = ±2.26 mrad we get ±17.26 mrad of angular spread.\\ Adding the calculated spread from the reaction with the target of 0.13 deg = ±2.26 mrad we get ±17.26 mrad of angular spread.\\
-⇒COSY beam input: SB 0.0005 **0.01726** 0 0.0005 **0.01726** 0 0 0.0047 0 0 0 ;\\+⇒COSY beam input:  
 +<code>SB 0.0005 **0.01726** 0 0.0005 **0.01726** 0 0 0.0047 0 0 0 ;</code>\\
 Output for this beam passing the dipole: Output for this beam passing the dipole:
 {{ :dipole46cr13.png?400 |}} {{ :dipole46cr13.png?400 |}}
Line 114: Line 116:
 SRDE:= 0.0; SRDE:= 0.0;
 </code> </code>
-The rays now look like this:+The rays now look like this (not all the rays are displayed):
 {{ :rays.png?400 |}} {{ :rays.png?400 |}}
  
Line 145: Line 147:
 |Beam|transverse|-5..+7 mm| |Beam|transverse|-5..+7 mm|
 |Beam|longitudinal|-0.8..+0.5 mm| |Beam|longitudinal|-0.8..+0.5 mm|
-|Beam|size|-x..+x|+|Beam|size|-6%..+6%|
 |B4|transverse|-4..+1 mm| |B4|transverse|-4..+1 mm|
 |B4|longitudinal|-10..+55 mm| |B4|longitudinal|-10..+55 mm|
Line 187: Line 189:
 </code> </code>
 {{ :different_beams.png?400 |}} {{ :different_beams.png?400 |}}
-One can see how Wien filter cleans the recoils from the projectile beam.+One can see how Wien filter cleans the recoils from the projectile beam at FP2.
 ---- ----
-THANK YOU FOR VISITING OUR PAGE+======       THANK YOU FOR VISITING OUR PAGE ======
  
/srv/thewikis/JIOSS/data/attic/group_secar2.0.1536870387.txt.gz · Last modified: 2018/09/13 16:26 by plastun