Qweak Delta - Revision history

Foretony: /* Initial results */

2012-04-20T22:56:22Z

Initial results

2012-04-20T22:50:28Z

Initial results

2012-04-20T22:49:56Z

Initial results

2012-04-20T22:42:34Z

Initial results

2012-04-20T22:42:03Z

Initial results

2012-04-20T18:04:28Z

Initial results

2012-04-20T17:53:32Z

FOM

2012-03-23T09:54:14Z

Peiqing Wang Elastic contamination Simulation

2012-03-23T08:45:59Z

Transverse Aluminum in Elastic

2012-03-23T07:55:18Z

FOM

@@ Line 626: / Line 626: @@
 ==Initial results==
-It looks like the 2 pion contamination has a positive asymmetry opposite to the one pion production asymmetry.  The large uncertainties of  <math>0.96 \pm 0.72</math> PPM for the two pion enhanced region (QTOR=400 A) and <math>-0.097 \pm 0.082</math> PPM for the delta region of interest restrict making a definitive claim.  The expected asymmetry is
+It looks like the 2 pion contamination has a positive asymmetry opposite to the one pion production asymmetry.  The large uncertainties of  <math>0.96 \pm 0.72</math> PPM  (2 hour measurement) for the two pion enhanced region (QTOR=400 A) and <math>-0.097 \pm 0.082</math> PPM for the delta region of interest (QTOR=4650 A) restrict making a definitive claim.  The expected asymmetry is
 :<math>A_m = P (A_{in}f_{inel} + A_{el}(1-f_{inel}) = -0.3 PPM</math>
@@ Line 635: / Line 635: @@
 ::<math>A_{inel}</math> = -1.5ppm
 ::<math>A_{ep}</math> = -0.14ppm
 [[File:042012AnnaLeeAnalysisReport.pdf]]

@@ Line 632: / Line 632: @@
 assuming
 ::P = 0.79
-::finel = 0.165
+::<math>f_{inel}</math> = 0.165
-::Ainel = -1.5ppm
+::<math>A_{inel}</math> = -1.5ppm
-::Aep = -0.14ppm
+::<math>A_{ep}</math> = -0.14ppm
 [[File:042012AnnaLeeAnalysisReport.pdf]]

@@ Line 626: / Line 626: @@
 ==Initial results==
-It looks like the 2 pion contamination has a positive asymmetry opposite to the one pion production asymmetry.  The large uncertainties of 1 \pm 0.9 PPM for the two pion region and -0.09 \pm 0.08 restrict making a definitive claim.  The expected asymmetry, given the dilution factors, is 0.3 PPM.
+It looks like the 2 pion contamination has a positive asymmetry opposite to the one pion production asymmetry.  The large uncertainties of  <math>0.96 \pm 0.72</math> PPM for the two pion enhanced region (QTOR=400 A) and <math>-0.097 \pm 0.082</math> PPM for the delta region of interest restrict making a definitive claim.  The expected asymmetry is
 [[File:042012AnnaLeeAnalysisReport.pdf]]

← Older revision		Revision as of 22:42, 20 April 2012
Line 627:		Line 627:

	It looks like the 2 pion contamination has a positive asymmetry opposite to the one pion production asymmetry. The large uncertainties of 1 \pm 0.9 PPM for the two pion region and -0.09 \pm 0.08 restrict making a definitive claim. The expected asymmetry, given the dilution factors, is 0.3 PPM.		It looks like the 2 pion contamination has a positive asymmetry opposite to the one pion production asymmetry. The large uncertainties of 1 \pm 0.9 PPM for the two pion region and -0.09 \pm 0.08 restrict making a definitive claim. The expected asymmetry, given the dilution factors, is 0.3 PPM.
		+
		+	[[File:042012AnnaLeeAnalysisReport.pdf]]

	=FOM=		=FOM=

@@ Line 626: / Line 626: @@
 ==Initial results==
-It looks like the 2 pion contamination has a positive asymmetry opposite to the one pion production asymmetry (although the errors
+It looks like the 2 pion contamination has a positive asymmetry opposite to the one pion production asymmetry.  The large uncertainties of 1 \pm 0.9 PPM for the two pion region and -0.09 \pm 0.08 restrict making a definitive claim.  The expected asymmetry, given the dilution factors, is 0.3 PPM.
 =FOM=

@@ Line 621: / Line 621: @@
 	</TR>
 </TABLE>
 =FOM=

@@ Line 251: / Line 251: @@
 [[File:Shi-Lin_Zhu_hep-ph-0107076_2001.pdf]]
-== Peiqing Wang Elastic contamination Simulation==
+== Peiqing Wang Simulation of contributions to elastic asymmetry==
 <TABLE WIDTH=662 CELLPADDING=4 CELLSPACING=0>
-	<COL WIDTH=140>
 	<TR VALIGN=TOP>
 		<TD WIDTH=140 STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: none; padding-top: 0.1cm; padding-bottom: 0.1cm; padding-left: 0.1cm; padding-right: 0cm">