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Measurement E161M21

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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 : 0.645 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
-0.69 5.443 0.0426139323298 0.297564132199 0.33540259763
-0.67 5.6352 0.0357746665662 0.307828171602 0.343693985385
-0.65 5.5259 0.0321279420512 0.254479950761 0.296358644506
-0.63 5.4632 0.0306076457816 0.26473651433 0.304970383131
-0.61 5.4206 0.0297259733417 0.359673708393 0.390106007244
-0.59 5.3911 0.0292690205994 0.433212377978 0.458707908174
-0.57 5.3376 0.0283903665915 0.369410661845 0.398876233275
-0.55 5.3645 0.0278302939789 0.252973762942 0.294196448719
-0.53 5.2328 0.0269558274308 0.200092462046 0.249989396278
-0.51 5.0766 0.0260834673075 0.178807557819 0.226598754933
-0.49 4.9132 0.0255277555646 0.189084567577 0.234639135866
-0.47 4.8442 0.0253936185422 0.251822902329 0.287520162532
-0.45 4.8951 0.0262055932675 0.188688942128 0.234221078309
-0.43 4.8202 0.0258610148138 0.178031508202 0.225588356522
-0.41 4.8593 0.0261477615153 0.219649116929 0.259647520474
-0.39 4.8594 0.0252848867961 0.229813216547 0.26814671279
-0.37 5.0027 0.0256757463854 0.229669253596 0.267988032255
-0.35 4.9433 0.0247107654342 0.177286147433 0.224528957256
-0.33 4.9835 0.0240597843125 0.177072913736 0.224203534037
-0.31 4.9939 0.0229946641387 0.156115615558 0.207838509879
-0.29 5.0873 0.0220373436861 0.176731337015 0.22356427464
-0.27 5.2444 0.0213938453008 0.207701091435 0.254434991639
-0.25 5.2337 0.0202325740454 0.186807529151 0.237501019101
-0.23 5.4306 0.0199025596976 0.207346999297 0.253869112172
-0.21 5.4085 0.0192628102022 0.186407360754 0.236939948894
-0.19 5.4278 0.0188328745186 0.155261981301 0.213184836133
-0.17 5.498 0.0187136920097 0.134403451337 0.206073068203
-0.15 5.5199 0.0183883031086 0.154912460147 0.219881470436
-0.13 5.5592 0.0182719007651 0.144549741067 0.21261694356
-0.11 5.5537 0.0180522586277 0.12379065376 0.198978669743
-0.09 5.621 0.0180394835775 0.144276599046 0.212249349119
-0.07 5.5434 0.0178221185653 0.133919311863 0.205257438264
-0.05 5.5481 0.0180153171039 0.133792557153 0.20510877857
-0.03 5.5257 0.018006061001 0.123494217546 0.198482127812
-0.01 5.5789 0.0182024608749 0.143953744023 0.211777205299
0.01 5.6591 0.0183987304067 0.12333522092 0.198296112206
0.03 5.7439 0.0186993971917 0.133597689144 0.204816317706
0.05 5.8698 0.0195132799104 0.13348124178 0.212602556561
0.07 5.9069 0.0204291541389 0.123217935631 0.206348134527
0.09 5.8577 0.0210387459047 0.164157306175 0.233138331207
0.11 5.8762 0.0215474689623 0.133370598639 0.212612770814
0.13 5.9287 0.021850623778 0.184611376249 0.247990892576
0.15 5.9459 0.0215405144306 0.205172357393 0.26361804808
0.17 6.0383 0.0214360521801 0.24616844978 0.296628471919
0.19 5.9907 0.020718063997 0.205156530055 0.263530626741
0.21 6.09 0.0203099156154 0.246163578394 0.296554461173
0.23 6.1619 0.0200041704125 0.205126895277 0.263473136186
0.25 6.324 0.0200081124055 0.225714942877 0.2859602761
0.27 6.4245 0.020014338435 0.215572902418 0.278059180599
0.29 6.528 0.0203306908267 0.205396258511 0.270316313761
0.31 6.6191 0.0208525738318 0.184928040504 0.262337755119
0.33 6.6837 0.0214800913396 0.154211204768 0.241797458101
0.35 6.775 0.0218017607772 0.216002530603 0.285303100408
0.37 6.7793 0.0216117588123 0.195509135032 0.270196407711
0.39 6.8762 0.0216271567218 0.216321580274 0.285704189405
0.41 6.9969 0.0216427656096 0.206167118369 0.285161356784
0.43 7.1475 0.0218669456671 0.268210079391 0.332899277657
0.45 7.2737 0.0224034874313 0.216845760279 0.293261957763
0.47 7.4976 0.0238684931507 0.258299545169 0.331653552378
0.49 7.6775 0.0255430624587 0.310250289219 0.373744373379
0.51 7.8718 0.0276341507028 0.331148975108 0.397068153173
0.53 8.0992 0.0309683214404 0.445324514334 0.496568855774
0.55 8.2175 0.0343078189249 0.507842469237 0.557743379472
0.57 8.7863 0.0382739106825 0.560093802645 0.609985725311
0.59 9.5131 0.0403159097363 0.727383583415 0.773428330932
0.61 10.3691 0.0423003185193 0.646016596577 0.705875832102
0.63 11.1621 0.0464433736295 0.679915629358 0.745963312567
0.65 11.4313 0.0513872559294 0.472916313874 0.570682817043
0.67 11.5814 0.0588795162468 0.444013077022 0.548801046636