Difference between revisions of "Collimation geometry for different beam energies"

From New IAC Wiki
Jump to navigation Jump to search
Line 29: Line 29:
 
==calculation==
 
==calculation==
  
{| border="1" cellpadding="10" cellspacing="0" centering
+
{| border="1" cellpadding="10" cellspacing="0"
 
|-
 
|-
 
!width=25|beam energy
 
!width=25|beam energy

Revision as of 03:16, 21 June 2010

Go Back


90[math]^o[/math] exit port measurements

Exit port1.png

Critical and Kicker angles

Beam up down.png

[math]\Theta_C = \frac{m_ec^2}{E}[/math]
[math]\Theta_K = tan^{-1}\left(\frac{x_1}{286}\right)
                = tan^{-1}\left(\frac{\Delta_1}{\sqrt{2}\ 286}\right)
                = tan^{-1}\left(\frac{tan(\Theta_C)}{\sqrt{2}}\right)[/math]

25 MeV geometry, [math]\Theta / 2[/math] collimation angle

Vacuum pipe collimator 335 5.png

25 MeV and 44 MeV geometry for different collimation angles

general setup

Minimum energy condition.png

calculation

beam energy [math]\Theta_C / m[/math] [math]\Theta_C[/math] [math]\Theta_K[/math] [math]\alpha[/math] [math]AC[/math] [math]A_1C_1[/math] [math]BD[/math] [math]B_1D_1[/math] [math]A_1D_1[/math] [math]FA[/math] [math]GH[/math]
25 MeV [math]\Theta_C / 2[/math] [math]1.17^o[/math] [math]0.83^o[/math] [math]2.03^o[/math] 4.13 cm 6.78 cm 2.92 cm 4.79 cm 9.18 cm > 8.73 cm 75 cm 7.49 cm > 5.08 cm
25 MeV [math]\Theta_C / 3[/math] [math]1.17^o[/math] [math]0.83^o[/math] [math]1.63^o[/math] 4.13 cm 6.78 cm 1.95 cm 3.20 cm 8.38 cm < 8.73 cm 111 cm 4.99 cm < 5.08 cm
25 MeV [math]\Theta_C / 4[/math] [math]1.17^o[/math] [math]0.83^o[/math] [math]1.43^o[/math] 4.13 cm 6.78 cm 1.46 cm 2.40 cm 7.98 cm < 8.73 cm 136 cm 3.74 cm < 5.08 cm
44 MeV [math]\Theta_C / 2[/math] [math]0.67^o[/math] [math]0.47^o[/math] [math]1.16^o[/math] 2.35 cm 3.85 cm 1.66 cm 2.72 cm 5.21 cm < 8.73 cm 75 cm 4.26 cm < 5.08 cm
44 MeV [math]\Theta_C / 2[/math] [math]0.67^o[/math] [math]0.47^o[/math] [math]1.31^o[/math] 2.35 cm 3.85 cm 1.66 cm (2.72 + 1) cm 5.71 cm < 8.73 cm 66 cm 5.03 cm < 5.08 cm
44 MeV [math]\Theta_C / 3[/math] [math]0.67^o[/math] [math]0.47^o[/math] [math]0.93^o[/math] 2.35 cm 3.85 cm 1.11 cm 1.82 cm 4.76 cm < 8.73 cm 111 cm 2.84 cm < 5.08 cm
44 MeV [math]\Theta_C / 4[/math] [math]0.67^o[/math] [math]0.47^o[/math] [math]0.81^o[/math] 2.35 cm 3.85 cm 0.83 cm 1.36 cm 4.53 cm < 8.73 cm 136 cm 2.13 cm < 5.08 cm



Go Back