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group_secar2.0 [2018/09/13 14:51]
plastun
group_secar2.0 [2018/09/13 15:12]
plastun
Line 2: Line 2:
  
 -- by Alex, Nadeesha and Louis -- -- by Alex, Nadeesha and Louis --
 +
  
 ===== DAY1===== ===== DAY1=====
Line 28: Line 29:
 {{ :reaction_kinematics.png?400 |}} {{ :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 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**.\\ 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**.\\
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 {{ :dipole46cr13.png?400 |}} {{ :dipole46cr13.png?400 |}}
  
 +----
 ===== DAY2 ===== ===== DAY2 =====
  
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 This emittance grow is possibly due to the optics aberrations. That is because the input COSY file does a 4th-order-calculation. Also the measured points don't fit the parabola ideally, i.e. the optics is non-linear.\\ This emittance grow is possibly due to the optics aberrations. That is because the input COSY file does a 4th-order-calculation. Also the measured points don't fit the parabola ideally, i.e. the optics is non-linear.\\
  
 +----
 ===== DAY3===== ===== DAY3=====
 ==== Impact of Lenght Change of Quadrupole 2 ==== ==== Impact of Lenght Change of Quadrupole 2 ====
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 {{ :fitted.png?400 |}} {{ :fitted.png?400 |}}
  
 +----
 ===== DAY4===== ===== DAY4=====
 ==== Optics misalignments ==== ==== Optics misalignments ====
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 **Beam position. Transverse offset.** **Beam position. Transverse offset.**
 {{ :transv.png?450 |}} {{ :transv.png?450 |}}
-The resolution drops by 5% at the offsets (-0.8 mm, +0.5 mm).\\+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 in SECAR ==== 
 + 
 +**<sup>45</sup>V+p → γ+<sup>46</sup>Cr** 
 + 
 +Beam is set to 132MeV <sup>46</sup>Cr<sup>14+</sup>\\ 
 +<code> 
 +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;\\ 
 +</code> 
 + 
 +{| Recoil beam fits the SECAR very well. |} 
 +{{ :46cr_recoil_in_secar.png?300 |}}
  
 +----
  
/srv/thewikis/JIOSS/data/pages/group_secar2.0.txt · Last modified: 2018/09/13 16:49 by plastun