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group_1-a-α_thefirst [2018/09/10 16:24]
yandow
group_1-a-α_thefirst [2018/09/11 14:27]
lim
Line 5: Line 5:
 2. The Energy of the incident phosphorus is 31MeV 2. The Energy of the incident phosphorus is 31MeV
  
-3. We wrote our code, foolishly putting Isaac in charge. Code can be found here (add link later)+3. We wrote our code, foolishly putting Isaac in charge. Our (commented) code can be found here (add link later
 +COSY output shown below 
 +{{:bob45plot.png?400|}} 
 + 
 +4. Final x and y positions were determined to be x_f=.018 y_f=.009 at dE/E=.05 
 + 
 +5. We used http://skisickness.com/2010/04/relativistic-kinematics-calculator/ to determine the recoil energy and angular distribution 
 +{{:energyvsangle.png?400|}} 
 + 
 +5. Our energy spread is ~3.1%, the same as SECAR's 3.1% limit 
 + 
 +6. Our opening angle is 7.0 mrad which is under the 25 mrad max of SECAR 
 + 
 +7. Our reaction has been performed before at much lower energies. (~1MeV total) 
 + 
 +-> 9/12 
 + 
 +8. We finding three bibliographical information on the reaction(P-31(p,γ)S-32) our propose to study. 
 +1. (http://www.publish.csiro.au/ph/pdf/PH750155) Total Yield Measurements 
 +2. (http://www.publish.csiro.au/ph/pdf/PH750383) Accurate Branching Ratio Measurements 
 +3. (https://ac.els-cdn.com/0375947469903352/1-s2.0-0375947469903352-main.pdf?_tid=6aa70e34-a7e3-49d4-8a85-e12712e5caa3&acdnat=1536684968_ccf8a340de1e4652e100ac01d110ea64) MECHANISM OF THE REACTION IN THE GIANT DIPOLE RESONANCE REGION 
 + 
 +9. Xmax(g)=σ11(1+σ12L/σ11-Lg)+(εL)^2/σ22 
 +We need to know the values of σ11, σ12, and σ22 to find the Emittance value. 
 +Changing Qurupole Strangth(g value) for make three equation. 
 +and using three eqaution find three unknown parameter(σ11, σ12, and σ22). 
 + 
 +10. Extract the distance L for the center of quad Q7 to the focal plan FP2 
 +(0.17005(center of quad)+0.5+2.365+0.5+0.26+0.28+0.26+1.75=6.08505)
  
-4. Final x and y positions were determined to be $x_f=.018$ $x_f=.009$ at dE/E=.05 
  
-3. Our energy spread is ~3.1%, exactly SECAR's 3.1% limit 
  
-4. Our openning angle  is 7.0 mrad which is under the 25 mrad max 
/srv/thewikis/JIOSS/data/pages/group_1-a-α_thefirst.txt · Last modified: 2018/09/13 16:52 by yandow