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Measurement E161M20

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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 : 0.635 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 		Stat. error,
mcb 		Syst. error,
mcb 		Total error,
mcb
-0.69 5.1871 0.0411438348022 0.340221214591 0.369520081604
-0.67 5.6868 0.0359984538681 0.339798471626 0.377002205646
-0.65 5.4275 0.0307561161482 0.212081473306 0.260710850781
-0.63 5.3185 0.0290252156074 0.264814079797 0.304898413819
-0.61 5.305 0.0282507279907 0.391481987284 0.419522454669
-0.59 5.3022 0.0278979730942 0.401532007563 0.428828190521
-0.57 5.227 0.0269155509784 0.337729171253 0.369623999846
-0.55 5.2323 0.0266706672845 0.284653272433 0.321745333489
-0.53 5.1694 0.0256922149346 0.221112347217 0.261320101118
-0.51 4.941 0.024610868686 0.178814303518 0.22643881232
-0.49 4.86 0.0242674333146 0.168056929879 0.217906853927
-0.47 4.8616 0.0246589972157 0.209856198041 0.251507018247
-0.45 4.7403 0.0243189067268 0.178147777914 0.219432272517
-0.43 4.7852 0.024709695206 0.230378646933 0.263573390782
-0.41 4.7599 0.0246838295722 0.167389810197 0.210669529299
-0.39 4.8267 0.0245508646999 0.208962712086 0.250426457967
-0.37 4.7704 0.0235858761759 0.22959169507 0.262587852523
-0.35 4.8007 0.023144444927 0.229335092537 0.267392549395
-0.33 4.7842 0.0227035482607 0.145843439675 0.200289056716
-0.31 4.9291 0.0220578629628 0.156048744569 0.207685236757
-0.29 5.0036 0.0210995180723 0.176745043317 0.223475798161
-0.27 5.0807 0.0202492795389 0.14539672169 0.199434057255
-0.25 5.1466 0.0192966376391 0.18670546263 0.2373330296
-0.23 5.3409 0.0190731620216 0.176170526736 0.229041920815
-0.21 5.3476 0.0183307227516 0.165689090176 0.220931285039
-0.19 5.3354 0.0179015961676 0.165534838794 0.220701394924
-0.17 5.3812 0.0176798893308 0.155095556072 0.212882800983
-0.15 5.406 0.0174587043761 0.175634403354 0.228187644332
-0.13 5.4234 0.0172397555962 0.154843245984 0.212511378318
-0.11 5.4614 0.0170207770621 0.134124319749 0.197827715672
-0.09 5.4905 0.0170102613692 0.16492510727 0.226721811527
-0.07 5.4484 0.0169979201331 0.144201632138 0.204655384166
-0.05 5.406 0.0168847413727 0.154479984169 0.211955026959
-0.03 5.4294 0.0169787730038 0.123437762728 0.19047076155
-0.01 5.5037 0.0172787711168 0.143966815859 0.211720797406
0.01 5.6082 0.0174771131602 0.143942872403 0.211673496692
0.03 5.6579 0.017776305323 0.14380546919 0.211546708443
0.05 5.7613 0.0182846236137 0.133554155829 0.204726379229
0.07 5.839 0.0192031832571 0.184804972208 0.248027972855
0.09 5.8568 0.0201211687788 0.153991001578 0.226047806304
0.11 5.8736 0.0207330094712 0.18474022929 0.248047633291
0.13 5.8297 0.0206261168808 0.195012238853 0.255759472406
0.15 5.9126 0.0206239171179 0.256472111628 0.305213430222
0.17 5.9237 0.0204187677545 0.215434523518 0.271626722291
0.19 5.9169 0.0199056393716 0.215482541105 0.271626253641
0.21 6.0147 0.0195998788665 0.266780986482 0.313869040049
0.23 6.1738 0.019398650064 0.20528548993 0.263604059912
0.25 6.1846 0.0189919494057 0.236137493545 0.288272814659
0.27 6.2529 0.0187922796472 0.256713089315 0.311015310908
0.29 6.4889 0.0194164637525 0.20548469757 0.270373797026
0.31 6.5062 0.01983566227 0.174677378336 0.247855024999
0.33 6.6065 0.0205675414838 0.174794096689 0.255423031024
0.35 6.6726 0.0208869223296 0.205742500412 0.277609166911
0.37 6.8134 0.021107825062 0.216272397039 0.285603035297
0.39 6.8655 0.021019990995 0.195774794033 0.270497540889
0.41 6.8661 0.0207260591407 0.216510231796 0.285930101171
0.43 7.075 0.0211557536065 0.237359061528 0.308599029244
0.45 7.2533 0.0217931578048 0.247843697263 0.316878915233
0.47 7.3699 0.0226381297689 0.27908334791 0.342015318974
0.49 7.6077 0.0245162746111 0.35174665923 0.408814832534
0.51 7.9061 0.0268115682244 0.424454037334 0.477638961586
0.53 8.0765 0.0298320144669 0.435078453745 0.487340108669
0.55 8.2643 0.0335820754007 0.570111790978 0.614940051049
0.57 8.6988 0.0381822111428 0.61211029133 0.658092224723
0.59 9.5647 0.0425333496423 0.592776015176 0.648678707946
0.61 10.4258 0.0448524691852 0.625894964038 0.687802814286
0.63 11.1576 0.0482926823772 0.555203662478 0.634723363531
0.65 11.371 0.05296428373 0.463282283979 0.557387509578
0.67 11.5046 0.0983262921348 0.550995490249 0.643663231333