Conversion TDC to Energy - Revision history

Oborn at 06:18, 5 February 2009

2009-02-05T06:18:59Z

2009-02-04T23:18:53Z

2008-12-03T02:58:25Z

Calculation

2008-12-03T02:58:04Z

Calculation

2008-12-03T02:57:06Z

Calculation

2008-12-03T02:48:41Z

Calculation

2008-12-03T02:41:15Z

Calculation

2008-12-03T02:37:15Z

2008-12-03T02:36:43Z

Calculation

2008-12-03T02:36:28Z

Calculation

← Older revision		Revision as of 06:18, 5 February 2009
Line 1:		Line 1:
		+	[http://wiki.iac.isu.edu/index.php/PhotoFission_with_Polarized_Photons_from_HRRL Go Back]
		+
		+
	= Method 1: =		= Method 1: =

← Older revision		Revision as of 23:18, 4 February 2009
Line 123:		Line 123:
	4.9 MeV neutrons come 68 ns later, which corresponds to 380 channels difference.		4.9 MeV neutrons come 68 ns later, which corresponds to 380 channels difference.

−	[http://~~www~~.iac.isu.edu~~/mediawiki~~/index.php/PhotoFission_with_Polarized_Photons_from_HRRL go back]	+	[http://wiki.iac.isu.edu/index.php/PhotoFission_with_Polarized_Photons_from_HRRL go back]

@@ Line 79: / Line 79: @@
 =<font size="4"><math>M_n c^2</math>{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(t_n-t_{\gamma})})^2}}</math>}
-=939.5656*{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(t_n-t_{\gamma})})^2}}</math>}
+=939.5656*{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(t_n-t_{\gamma})})^2}}</math>}  (MeV)
 Where d is geven above.

@@ Line 76: / Line 76: @@
 <font size="4"><math>E_k</math>=<math>E_{tot}-M_n c^2</math>
 =<font size="4"><math>M_n c^2</math>{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(t_n-t_{\gamma})})^2}}</math>}
 =939.5656*{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(t_n-t_{\gamma})})^2}}</math>}
 ==Data==

@@ Line 76: / Line 76: @@
 <font size="4"><math>E_k</math>=<math>E_{tot}-M_n c^2</math>
- =<font size="4"><math>M_n c^2</math>{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(t_n-t_{\gamma})})^2}}</math>}
+=<font size="4"><math>M_n c^2</math>{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(t_n-t_{\gamma})})^2}}</math>}
- =939.5656*{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(t_n-t_{\gamma})})^2}}</math>}
+=939.5656*{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(t_n-t_{\gamma})})^2}}</math>}
 ==Data==

@@ Line 3: / Line 3: @@
 ==Calculation==
-When electron beam hit the radiator, TDC start to count. It will take gamma 14 ns to reach the target. Then after some time <math>t_{n1}</math>, neutron arrive to the detectors.
+<font size="4">When electron beam hit the radiator, TDC start to count. It will take gamma 14 ns to reach the target. Then after some time <math>t_{n1}</math>, neutron arrive to the detectors.
 Let's call the the total time from electron beam hit the radiator to neutron to be detected is <math>t_n</math>. So,

@@ Line 73: / Line 73: @@
 <math>\gamma_n=\sqrt{\frac{1}{1-\beta^2}}</math>
-<math>E_{tot}=M_n\gamma_nc^2</math>
+<font size="4"><math>E_{tot}=M_n\gamma_nc^2</math>
-<math>E_k</math>=<math>E_{tot}-M_n c^2</math>
+<font size="4"><math>E_k</math>=<math>E_{tot}-M_n c^2</math>
                  = <math>M_n c^2</math>{1- <math>\sqrt{\frac{1}{1-(\frac{1}{1+\frac{c}{d}(tn-tg)})^2}}</math>}