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Measurement E161M31

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Experiment: g13, 2006

Spokespersons: Paul Mattione

Experiment comment: Ran: 2006-2007

Publication:

Quantity measured: dσ/dΩ, mcb
Differential cross section.
Beam: γ, polarization: none
Target: n (Z=0, A=1), polarization: none
Final state: π− p, polarization: none

Eγ : 0.745 GeV

Observable quantity measured (Y axis): dσ/dΩ, mcb
Plot measurement data

Parameter (X axis): cos(θπ),

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ) dσ/dΩ,
mcb 		Data errors,
mcb 		Systematic errors,
mcb 		Full errors,
mcb
-0.71 4.0026 0.0399444159144 0.488469501235 0.501422101669
-0.69 4.4574 0.0364292984248 0.317718344161 0.340355307626
-0.67 4.3918 0.0325961347535 0.27517612905 0.300560822414
-0.65 4.4231 0.0313064945002 0.446303331157 0.462279300584
-0.63 4.4922 0.0312831713916 0.380516232489 0.402312667853
-0.61 4.3672 0.0291477571156 0.380184295119 0.398603603816
-0.59 4.4634 0.0290208062419 0.232193438333 0.266069048658
-0.57 4.4143 0.0281528269437 0.284711482619 0.308716422989
-0.55 4.2715 0.0270754840301 0.242291886295 0.269941295459
-0.53 4.1708 0.0268418342882 0.294780453782 0.317841047573
-0.51 4.1164 0.0266062693202 0.252401557905 0.278919649627
-0.49 4.1127 0.0267911227488 0.22067969037 0.250546623769
-0.47 3.9512 0.0258214063704 0.220392524767 0.245473573313
-0.45 4.0057 0.0261118199906 0.220257605673 0.245341139265
-0.43 3.9341 0.0255631115017 0.230486740032 0.254467488977
-0.41 4.0229 0.0255362418377 0.261656856117 0.282965441162
-0.39 4.0802 0.0250915520025 0.198621383587 0.230880310431
-0.37 4.1525 0.0242323171345 0.240281178635 0.267437882024
-0.35 4.2824 0.0235806934191 0.198202197006 0.230245667291
-0.33 4.2947 0.0223057981215 0.239764658301 0.266703265514
-0.31 4.3478 0.0212412874796 0.197863103448 0.229607439776
-0.29 4.3477 0.0204932980811 0.197640367167 0.22929417679
-0.27 4.3889 0.0200562982431 0.249394837358 0.279554505788
-0.25 4.374 0.0194146214099 0.16606899914 0.208512500864
-0.23 4.3758 0.0192908155768 0.145224358957 0.192228415322
-0.21 4.495 0.0194799566631 0.176126009687 0.216472429265
-0.19 4.4252 0.0188407701125 0.165631867047 0.207895900192
-0.17 4.4265 0.0184092757009 0.124142452723 0.176501885987
-0.15 4.3799 0.018084241695 0.155048928414 0.1993608657
-0.13 4.3435 0.0178625882521 0.144600891909 0.184738353271
-0.11 4.3843 0.0181574417018 0.165104564779 0.207161369338
-0.09 4.377 0.0179364122371 0.154663425269 0.198856808429
-0.07 4.4153 0.018129264651 0.15454025289 0.19872204605
-0.05 4.4617 0.0182194232322 0.113243731028 0.168563502224
-0.03 4.4939 0.0184138285453 0.102864867269 0.161736929117
-0.01 4.5194 0.0186080846224 0.154181157042 0.198337795051
0.01 4.4836 0.0192129333853 0.133524803654 0.182753431107
0.03 4.5174 0.0201275380768 0.133491131582 0.182785638822
0.05 4.4927 0.0205277346249 0.143741615794 0.190402216368
0.07 4.5276 0.0207240987061 0.15391101888 0.198179245778
0.09 4.559 0.0205106287257 0.153838727599 0.19807001809
0.11 4.6708 0.0205044008868 0.194823970661 0.231327271211
0.13 4.6461 0.01967817877 0.143456645996 0.189982209663
0.15 4.6778 0.0190591838076 0.143439316481 0.189889074324
0.17 4.8088 0.0189528537037 0.194679606884 0.236636561946
0.19 4.8491 0.0186436867567 0.21509352139 0.253666796139
0.21 4.9484 0.0187462675444 0.184349308252 0.228189381711
0.23 4.9767 0.0188484202293 0.194589277852 0.236546012162
0.25 4.9822 0.0190555242541 0.194669584156 0.236637437942
0.27 4.9532 0.0193668500972 0.225469765417 0.262596453422
0.29 5.0721 0.0199858450533 0.163986603104 0.218814716375
0.31 5.1583 0.020096340615 0.215364405355 0.259597650821
0.33 5.3139 0.0202072830808 0.205106986011 0.251196382376
0.35 5.3158 0.0197044925382 0.184752193421 0.234872683881
0.37 5.317 0.0195111729146 0.184873265053 0.2350055898
0.39 5.3886 0.0199364634984 0.184928465692 0.235148837399
0.41 5.3933 0.020364106867 0.195441943174 0.243608244606
0.43 5.4394 0.0212066391612 0.164740670314 0.219910410661
0.45 5.4358 0.0220527630856 0.164831324815 0.22015822034
0.47 5.5855 0.0236275884363 0.165118070073 0.227540573057
0.49 5.7565 0.0252065753818 0.206567757788 0.259456610713
0.51 5.974 0.0260679122439 0.248235017577 0.299489404591
0.53 6.2401 0.0254816340759 0.258949273652 0.308499378979
0.55 6.5284 0.0239625703118 0.269737715613 0.32315821033
0.57 6.6421 0.0225430611383 0.301257730846 0.349933713832
0.59 6.6716 0.0220535004834 0.322446713608 0.373523182
0.61 6.859 0.0230209731798 0.41666452308 0.457488761757
0.63 7.1479 0.0249244700252 0.510992495829 0.548630779751
0.65 7.4453 0.0275631978236 0.605573042767 0.63783202476
0.67 8.0601 0.0323358378126 0.690643434482 0.725484384236
0.69 8.6097 0.0379120014149 0.798200156695 0.831830225702
0.71 9.1166 0.0450611559342 0.47486681525 0.540069687491
0.73 9.4928 0.0536376391608 0.350519847748 0.43671622316