Quality Checks - Revision history

Oborn: /* Phi rate */

2008-09-19T10:58:37Z

Phi rate

2008-08-29T21:37:16Z

1.6 < Q^2 < 1.9

2008-08-29T21:34:29Z

1.6 < Q^2 < 1.9

2008-08-19T16:59:18Z

1.6 < Q^2 < 1.9

2008-08-19T15:12:22Z

1.6 < Q^2 < 1.9

2008-07-26T23:57:05Z

1.6 < Q^2 < 1.9

2008-07-26T23:43:25Z

1.6 < Q^2 < 1.9

2008-07-26T23:40:35Z

1.6 < Q^2 < 1.9

2008-07-26T23:39:11Z

1.6 < Q^2 < 1.9

2008-06-23T02:39:54Z

1.6 < Q^2 < 1.9

@@ Line 322: / Line 322: @@
    start calculating cross -section
-;Luminosity Calculation for NH3(Ammonia) target
+======Luminosity Calculation for NH3(Ammonia) target ======
 The target materials are located in the target cells. They are made out of polychlorotrifluoroethylene with a thickness of 0.2 mm. The cells itself are in diameter 15 (15.7) mm and in length 10 (12.7) mm, with 0.025 mm aluminum entrance windows and 0.05 mm kapton exit windows. [http://books.google.com/books?id=LEqA4cMrkfIC&pg=PA329&lpg=PA329&dq=target+NH3,+CLAS,+luminosity&source=web&ots=yWZHoDjDDI&sig=yW0oVF1zIQgJZ5yqAMElflnhxsY&hl=en#PPA329,M1]

← Older revision		Revision as of 21:37, 29 August 2008
Line 308:		Line 308:

	====== Phi rate ======		====== Phi rate ======
−	~~=======1.6 < Q^2 < 1.9 =======~~
−	~~{\|border="2" colspan = "20"~~
−	~~!Run Number\|\|S1\|\|S2 \|\| S3\|\|S4 \|\|S5 \|\| S6 \|\| all sectors~~
−	\|-
−	~~\|27070 \|\| \|\| \|\| \|\| \|\| \|\| \|\|~~
−	\|-
−	~~\|}<br>~~
−

	{\|border="2" colspan = "4"		{\|border="2" colspan = "4"

← Older revision		Revision as of 21:34, 29 August 2008
Line 364:		Line 364:

	The luminosity of the continuous electron beam was <math>10^{34}</math> <math>cm^{-2} sec^{-1}</math> [http://arxiv.org/abs/0709.1946v2] [http://books.google.com/books?id=LEqA4cMrkfIC&pg=PA329&lpg=PA329&dq=target+NH3,+CLAS,+luminosity&source=web&ots=yWZHoDjDDI&sig=yW0oVF1zIQgJZ5yqAMElflnhxsY&hl=en#PPA329,M1]<br>		The luminosity of the continuous electron beam was <math>10^{34}</math> <math>cm^{-2} sec^{-1}</math> [http://arxiv.org/abs/0709.1946v2] [http://books.google.com/books?id=LEqA4cMrkfIC&pg=PA329&lpg=PA329&dq=target+NH3,+CLAS,+luminosity&source=web&ots=yWZHoDjDDI&sig=yW0oVF1zIQgJZ5yqAMElflnhxsY&hl=en#PPA329,M1]<br>
−
−	~~why are we a factor of 2 different from reference 8 above? Ref 8 says at 4 nA L = 15 x 10^{33}. The above says 1 x 10 ^{33} when I=6 nA.<br>~~
−
−	~~i am not <br>~~
−

	;Cross Section Calculation		;Cross Section Calculation

← Older revision		Revision as of 16:59, 19 August 2008
Line 366:		Line 366:

	why are we a factor of 2 different from reference 8 above? Ref 8 says at 4 nA L = 15 x 10^{33}. The above says 1 x 10 ^{33} when I=6 nA.<br>		why are we a factor of 2 different from reference 8 above? Ref 8 says at 4 nA L = 15 x 10^{33}. The above says 1 x 10 ^{33} when I=6 nA.<br>
		+
		+	i am not <br>

@@ Line 360: / Line 360: @@
 ::<math> L = 1.288 \times 10^{33} \frac{1572}{309 \times 6} \frac{[ \# of electrons]}{second \times cm^2} =</math>
 ::<math>= 1.09209 \times 10^{33} \frac{[ \# of electrons]}{second \times cm^2}</math><br>
 The luminosity of the continuous electron beam was <math>10^{34}</math> <math>cm^{-2} sec^{-1}</math> [http://arxiv.org/abs/0709.1946v2] [http://books.google.com/books?id=LEqA4cMrkfIC&pg=PA329&lpg=PA329&dq=target+NH3,+CLAS,+luminosity&source=web&ots=yWZHoDjDDI&sig=yW0oVF1zIQgJZ5yqAMElflnhxsY&hl=en#PPA329,M1]<br>

@@ Line 368: / Line 368: @@
 ;Cross Section Calculation
 : <math>\frac{d\sigma}{d\Omega} = \frac{1}{L} \frac{d^{2}N}{d\Omega dt}</math><br>
 where<br>

@@ Line 334: / Line 334: @@
 The target materials are located in the target cells. They are made out of polychlorotrifluoroethylene with a thickness of 0.2 mm. The cells itself are in diameter 15 (15.7) mm and in length 10 (12.7) mm, with 0.025 mm aluminum entrance windows and 0.05 mm kapton exit windows. [http://books.google.com/books?id=LEqA4cMrkfIC&pg=PA329&lpg=PA329&dq=target+NH3,+CLAS,+luminosity&source=web&ots=yWZHoDjDDI&sig=yW0oVF1zIQgJZ5yqAMElflnhxsY&hl=en#PPA329,M1]
-[[Media:fill.factor.ps]]<br>
+[[Media:fill.factor.ps]] NH3 Filling Factor Evaluation, R. De Vita, July 1999<br>
 :<math>L = \frac{i_{scattered}}{\sigma} \sim i_{beam} \rho_{target} l_{target}</math>

← Older revision		Revision as of 23:39, 26 July 2008
Line 325:		Line 325:

	[http://iac.isu.edu/mediawiki/index.php/Phi_angle_in_CM_frame_for_different_runs phi angle in cm frame for different runs]<br>		[http://iac.isu.edu/mediawiki/index.php/Phi_angle_in_CM_frame_for_different_runs phi angle in cm frame for different runs]<br>
		+
		+	[[Media:fill.factor.ps]]<br>

	start calculating cross -section		start calculating cross -section

← Older revision		Revision as of 02:39, 23 June 2008
Line 316:		Line 316:
	\|}<br>		\|}<br>

−	~~[[Image:phi_angle_cm_three-files_electron_sector_1_cut_on_Q.gif]]<br>~~

	{\|border="2" colspan = "4"		{\|border="2" colspan = "4"