CLAS Physics Database

Measurement E32M2

Experiment: g10 CLAS experiment
Year: 0
Spokesperson: Wei Chen
Reaction: γn → π p
Polarization: none
Quantity: s7dσ/dt
Eγ: 1.05 — 3.5 GeV
Publication:
W. Chen, T. Mibe, D. Dutta, H. Gao, J. M. Laget, M. Mirazita, P. Rossi, S. Stepanyan, I. I. Strakovsky, and CLAS Collaboration Measurement of the Differential Cross Section for the Reaction gamma n -> pi- p from Deuterium // Phys. Rev. Lett., 103, 012301 (2009)

Slice: θ = deg

Measurement data
θ, [deg] sqrt(s), [GeV] s7dσ/dt, [107 GeV14 nb/GeV2] uncertainty
50.0 2.74178 17.6619 2.43667
50.0 2.69982 14.1586 1.90728
50.0 2.65465 12.7864 1.69372
50.0 2.61032 12.6655 1.65539
50.0 2.56311 11.4773 1.48257
50.0 2.51981 9.70023 1.24332
50.0 2.48857 9.03487 1.14987
50.0 2.45426 7.34943 0.9283
50.0 2.41905 6.40641 0.8036
50.0 2.38339 5.62454 0.7002
50.0 2.34726 4.78582 0.59112
50.0 2.31009 4.254 0.52138
50.0 2.26116 4.45468 0.5408
50.0 2.23036 4.2991 0.51842
50.0 2.19917 4.45733 0.53416
50.0 2.16787 4.91308 0.58507
50.0 2.1352 5.13686 0.60791
50.0 2.10574 5.60778 0.65993
50.0 2.07106 5.97474 0.69908
50.0 2.03701 5.98251 0.69639
50.0 2.00302 6.59362 0.76394
50.0 1.97328 6.8496 0.79116
50.0 1.94838 7.21795 0.83143
50.0 1.9237 7.49636 0.86143
50.0 1.89739 7.79409 0.89367
50.0 1.87181 8.08943 0.92579
50.0 1.84598 7.97238 0.91101
50.0 1.81971 7.71049 0.87997
50.0 1.79262 7.687 0.87642
50.0 1.76512 7.53647 0.85867
50.0 1.73766 7.11482 0.81034
50.0 1.70933 6.45092 0.7347
50.0 1.68294 5.57374 0.63499
55.0 2.74178 11.4866 1.58141
55.0 2.69982 9.77441 1.31516
55.0 2.65465 9.14825 1.21044
55.0 2.61032 8.86473 1.15751
55.0 2.56311 7.90133 1.01987
55.0 2.51981 6.50886 0.8334
55.0 2.48857 6.24898 0.7947
55.0 2.45426 5.0438 0.63676
55.0 2.41905 4.30875 0.53997
55.0 2.38339 3.78519 0.47084
55.0 2.34726 3.41276 0.42133
55.0 2.31009 3.13442 0.38379
55.0 2.26116 3.62153 0.43916
55.0 2.23036 3.82307 0.46076
55.0 2.19917 4.05361 0.48539
55.0 2.16787 4.43155 0.52743
55.0 2.1352 4.66856 0.55217
55.0 2.10574 5.12491 0.60287
55.0 2.07106 5.38071 0.62941
55.0 2.03701 5.29426 0.61604
55.0 2.00302 5.69443 0.65958
55.0 1.97328 5.68571 0.65651
55.0 1.94838 5.83257 0.67166
55.0 1.9237 6.13281 0.70457
55.0 1.89739 6.06161 0.69486
55.0 1.87181 6.19561 0.70892
55.0 1.84598 6.16364 0.7042
55.0 1.81971 6.16529 0.70351
55.0 1.79262 6.13551 0.69942
55.0 1.76512 6.00243 0.68379
55.0 1.73766 5.60182 0.63794
55.0 1.70933 5.13232 0.58446
55.0 1.68294 4.56111 0.51958
60.0 2.74178 6.57986 0.9049
60.0 2.69982 6.22895 0.83787
60.0 2.65465 5.94022 0.78597
60.0 2.61032 6.06541 0.79203
60.0 2.56311 5.53129 0.71384
60.0 2.51981 5.02059 0.6428
60.0 2.48857 4.39814 0.55899
60.0 2.45426 3.87014 0.48839
60.0 2.41905 3.27087 0.40966
60.0 2.38339 3.13142 0.3894
60.0 2.34726 3.05311 0.37693
60.0 2.31009 3.13206 0.38355
60.0 2.26116 3.65348 0.4431
60.0 2.23036 4.04236 0.48726
60.0 2.19917 4.3884 0.5257
60.0 2.16787 4.56835 0.54376
60.0 2.1352 4.82223 0.57039
60.0 2.10574 4.97148 0.58476
60.0 2.07106 5.08837 0.59516
60.0 2.03701 4.93601 0.57439
60.0 2.00302 5.00639 0.57983
60.0 1.97328 4.91755 0.56779
60.0 1.94838 5.13194 0.59096
60.0 1.9237 5.0534 0.58053
60.0 1.89739 4.97271 0.57
60.0 1.87181 4.93796 0.56499
60.0 1.84598 4.94549 0.565
60.0 1.81971 4.91501 0.56081
60.0 1.79262 4.85094 0.55297
60.0 1.76512 4.80261 0.5471
60.0 1.73766 4.38165 0.49897
60.0 1.70933 4.08934 0.46567
60.0 1.68294 3.64506 0.41522
65.0 2.74178 4.75813 0.6554
65.0 2.69982 3.90326 0.52511
65.0 2.65465 3.93673 0.52087
65.0 2.61032 4.03415 0.52687
65.0 2.56311 3.78729 0.48895
65.0 2.51981 3.36715 0.43125
65.0 2.48857 3.25612 0.41403
65.0 2.45426 2.94342 0.37147
65.0 2.41905 2.95888 0.37085
65.0 2.38339 2.91119 0.36214
65.0 2.34726 3.00097 0.3705
65.0 2.31009 3.31563 0.4061
65.0 2.26116 3.80063 0.46098
65.0 2.23036 4.20167 0.50627
65.0 2.19917 4.52579 0.54188
65.0 2.16787 4.84397 0.57646
65.0 2.1352 5.02047 0.59372
65.0 2.10574 5.14909 0.6056
65.0 2.07106 5.17901 0.60569
65.0 2.03701 5.06539 0.58937
65.0 2.00302 4.78603 0.55429
65.0 1.97328 4.707 0.54347
65.0 1.94838 4.60888 0.53071
65.0 1.9237 4.41615 0.50732
65.0 1.89739 4.24288 0.48635
65.0 1.87181 4.0435 0.46265
65.0 1.84598 3.98643 0.45543
65.0 1.81971 3.87424 0.44206
65.0 1.79262 3.70424 0.42226
65.0 1.76512 3.47798 0.3962
65.0 1.73766 3.2089 0.36542
65.0 1.70933 3.03764 0.34592
65.0 1.68294 2.70896 0.30859
70.0 2.74178 3.36078 0.46344
70.0 2.69982 3.00778 0.40501
70.0 2.65465 2.98927 0.39558
70.0 2.61032 2.77628 0.36257
70.0 2.56311 2.87809 0.37145
70.0 2.51981 2.77328 0.35511
70.0 2.48857 2.70802 0.34421
70.0 2.45426 2.69378 0.33998
70.0 2.41905 2.59926 0.32567
70.0 2.38339 2.83225 0.35218
70.0 2.34726 2.94466 0.36332
70.0 2.31009 3.42423 0.41933
70.0 2.26116 4.02631 0.4883
70.0 2.23036 4.45932 0.53739
70.0 2.19917 4.66997 0.55915
70.0 2.16787 4.85685 0.57782
70.0 2.1352 5.00248 0.59155
70.0 2.10574 5.01996 0.59036
70.0 2.07106 4.89064 0.57189
70.0 2.03701 4.76837 0.55473
70.0 2.00302 4.49765 0.52086
70.0 1.97328 4.27298 0.49336
70.0 1.94838 4.0171 0.46256
70.0 1.9237 3.66295 0.42079
70.0 1.89739 3.55762 0.40779
70.0 1.87181 3.31875 0.37973
70.0 1.84598 3.12435 0.35695
70.0 1.81971 2.97436 0.33939
70.0 1.79262 2.76325 0.315
70.0 1.76512 2.54547 0.28998
70.0 1.73766 2.37371 0.27032
70.0 1.70933 2.19638 0.25012
70.0 1.68294 1.96794 0.22418
75.0 2.74178 2.60884 0.35932
75.0 2.69982 2.08814 0.28101
75.0 2.65465 1.88874 0.25006
75.0 2.61032 1.94029 0.25349
75.0 2.56311 2.00853 0.25933
75.0 2.51981 2.17426 0.27843
75.0 2.48857 2.23926 0.28465
75.0 2.45426 2.21921 0.28003
75.0 2.41905 2.44291 0.30586
75.0 2.38339 2.71192 0.33712
75.0 2.34726 2.94458 0.3634
75.0 2.31009 3.15297 0.38591
75.0 2.26116 3.76837 0.45687
75.0 2.23036 4.14043 0.49878
75.0 2.19917 4.54386 0.54411
75.0 2.16787 4.71281 0.56088
75.0 2.1352 4.80521 0.56827
75.0 2.10574 4.82648 0.56771
75.0 2.07106 4.76684 0.55759
75.0 2.03701 4.47361 0.52055
75.0 2.00302 4.17222 0.48323
75.0 1.97328 3.88978 0.44914
75.0 1.94838 3.6154 0.41632
75.0 1.9237 3.43741 0.39487
75.0 1.89739 3.14185 0.36014
75.0 1.87181 2.85597 0.32677
75.0 1.84598 2.48535 0.28393
75.0 1.81971 2.28756 0.26102
75.0 1.79262 2.04867 0.23353
75.0 1.76512 1.92742 0.21956
75.0 1.73766 1.79294 0.20418
75.0 1.70933 1.67059 0.19024
75.0 1.68294 1.47965 0.16855
80.0 2.74178 1.98718 0.27322
80.0 2.69982 1.52966 0.20566
80.0 2.65465 1.39442 0.1844
80.0 2.61032 1.30218 0.17
80.0 2.56311 1.40899 0.18182
80.0 2.51981 1.74872 0.22386
80.0 2.48857 1.95217 0.24825
80.0 2.45426 2.07736 0.2623
80.0 2.41905 2.49909 0.31333
80.0 2.38339 2.61488 0.32522
80.0 2.34726 3.01678 0.37263
80.0 2.31009 3.32122 0.40687
80.0 2.26116 3.81097 0.46235
80.0 2.23036 4.11081 0.49541
80.0 2.19917 4.22498 0.50584
80.0 2.16787 4.42406 0.52629
80.0 2.1352 4.62917 0.5473
80.0 2.10574 4.67953 0.55023
80.0 2.07106 4.53433 0.53018
80.0 2.03701 4.19962 0.4886
80.0 2.00302 3.76276 0.43578
80.0 1.97328 3.58791 0.41427
80.0 1.94838 3.43341 0.39537
80.0 1.9237 3.16201 0.36326
80.0 1.89739 2.79348 0.32023
80.0 1.87181 2.39285 0.2738
80.0 1.84598 2.0612 0.2355
80.0 1.81971 1.78132 0.20326
80.0 1.79262 1.62367 0.1851
80.0 1.76512 1.49452 0.17026
80.0 1.73766 1.41411 0.16104
80.0 1.70933 1.28413 0.14624
80.0 1.68294 1.15373 0.13143
85.0 2.74178 1.43987 0.19767
85.0 2.69982 1.14694 0.15415
85.0 2.65465 1.06909 0.14131
85.0 2.61032 1.29186 0.16856
85.0 2.56311 1.38311 0.17835
85.0 2.51981 1.78996 0.22916
85.0 2.48857 2.05815 0.26156
85.0 2.45426 2.2402 0.28266
85.0 2.41905 2.71375 0.34003
85.0 2.38339 2.93321 0.36476
85.0 2.34726 3.20173 0.39517
85.0 2.31009 3.52294 0.43142
85.0 2.26116 3.855 0.46775
85.0 2.23036 3.93708 0.47466
85.0 2.19917 4.01581 0.48123
85.0 2.16787 4.16463 0.49589
85.0 2.1352 4.18675 0.49544
85.0 2.10574 4.13132 0.4861
85.0 2.07106 4.10664 0.4804
85.0 2.03701 3.83229 0.44598
85.0 2.00302 3.66123 0.42408
85.0 1.97328 3.4753 0.40131
85.0 1.94838 3.24341 0.37353
85.0 1.9237 2.95417 0.3394
85.0 1.89739 2.53742 0.2909
85.0 1.87181 2.15698 0.24683
85.0 1.84598 1.81349 0.20721
85.0 1.81971 1.59605 0.18214
85.0 1.79262 1.36249 0.15534
85.0 1.76512 1.28001 0.14584
85.0 1.73766 1.14628 0.13055
85.0 1.70933 1.07115 0.12199
85.0 1.68294 0.96559 0.11001
90.0 2.74178 1.50054 0.20599
90.0 2.69982 1.4321 0.19234
90.0 2.65465 1.61402 0.21331
90.0 2.61032 1.70575 0.22256
90.0 2.56311 1.90746 0.24603
90.0 2.51981 2.28705 0.29271
90.0 2.48857 2.68832 0.34171
90.0 2.45426 2.77945 0.35063
90.0 2.41905 3.01727 0.37792
90.0 2.38339 3.29124 0.40913
90.0 2.34726 3.52728 0.43526
90.0 2.31009 3.84758 0.47128
90.0 2.26116 3.9996 0.48501
90.0 2.23036 4.22771 0.50949
90.0 2.19917 4.2824 0.51278
90.0 2.16787 4.22715 0.50313
90.0 2.1352 4.09676 0.48458
90.0 2.10574 3.81788 0.44903
90.0 2.07106 3.68465 0.43091
90.0 2.03701 3.47391 0.40418
90.0 2.00302 3.35484 0.38854
90.0 1.97328 3.11396 0.35961
90.0 1.94838 2.82967 0.32591
90.0 1.9237 2.50859 0.28829
90.0 1.89739 2.19712 0.25195
90.0 1.87181 1.85193 0.21198
90.0 1.84598 1.58584 0.18125
90.0 1.81971 1.35327 0.15448
90.0 1.79262 1.20272 0.13715
90.0 1.76512 1.13293 0.12911
90.0 1.73766 1.05031 0.11965
90.0 1.70933 0.97922 0.11154
90.0 1.68294 0.90963 0.10364
95.0 2.74178 2.12793 0.29234
95.0 2.69982 2.04042 0.27409
95.0 2.65465 1.92531 0.25446
95.0 2.61032 2.49806 0.32589
95.0 2.56311 2.77417 0.35779
95.0 2.51981 3.18402 0.40728
95.0 2.48857 3.28385 0.4171
95.0 2.45426 3.47869 0.43872
95.0 2.41905 3.77985 0.47314
95.0 2.38339 4.12148 0.51223
95.0 2.34726 4.19714 0.51765
95.0 2.31009 4.26897 0.52217
95.0 2.26116 4.44284 0.53796
95.0 2.23036 4.30671 0.51818
95.0 2.19917 4.25872 0.50933
95.0 2.16787 4.0264 0.47869
95.0 2.1352 3.87612 0.4583
95.0 2.10574 3.6891 0.43396
95.0 2.07106 3.38147 0.39565
95.0 2.03701 3.03326 0.35313
95.0 2.00302 2.74198 0.31774
95.0 1.97328 2.51154 0.29014
95.0 1.94838 2.3984 0.27629
95.0 1.9237 2.12511 0.24422
95.0 1.89739 1.86324 0.21364
95.0 1.87181 1.56478 0.17908
95.0 1.84598 1.30506 0.14913
95.0 1.81971 1.15765 0.13211
95.0 1.79262 1.06315 0.12121
95.0 1.76512 1.02872 0.11721
95.0 1.73766 0.99194 0.11297
95.0 1.70933 0.99949 0.11384
95.0 1.68294 0.96463 0.1099
100.0 2.74178 2.79652 0.38393
100.0 2.69982 2.72176 0.3655
100.0 2.65465 2.73036 0.36077
100.0 2.61032 3.45039 0.45004
100.0 2.56311 3.66354 0.4723
100.0 2.51981 4.09887 0.52412
100.0 2.48857 4.23066 0.53693
100.0 2.45426 4.3421 0.54719
100.0 2.41905 4.48678 0.56147
100.0 2.38339 4.73029 0.58796
100.0 2.34726 4.81189 0.59407
100.0 2.31009 4.51997 0.55385
100.0 2.26116 4.49978 0.5461
100.0 2.23036 4.16794 0.50257
100.0 2.19917 4.02298 0.48189
100.0 2.16787 3.95627 0.47087
100.0 2.1352 3.60597 0.42644
100.0 2.10574 3.25525 0.38279
100.0 2.07106 2.8698 0.33554
100.0 2.03701 2.52333 0.29353
100.0 2.00302 2.23668 0.25901
100.0 1.97328 2.09324 0.24166
100.0 1.94838 1.95588 0.2252
100.0 1.9237 1.76391 0.20262
100.0 1.89739 1.60284 0.18373
100.0 1.87181 1.35193 0.1547
100.0 1.84598 1.14342 0.13064
100.0 1.81971 1.00574 0.11477
100.0 1.79262 0.93389 0.10647
100.0 1.76512 0.98642 0.11239
100.0 1.73766 1.06691 0.12152
100.0 1.70933 1.12979 0.12869
100.0 1.68294 1.1392 0.12981
105.0 2.74178 3.6727 0.50559
105.0 2.69982 3.83734 0.51645
105.0 2.65465 3.58037 0.47379
105.0 2.61032 4.12858 0.53911
105.0 2.56311 4.25159 0.5487
105.0 2.51981 4.47287 0.57266
105.0 2.48857 4.54363 0.57749
105.0 2.45426 4.47888 0.56511
105.0 2.41905 4.54364 0.56913
105.0 2.38339 4.58705 0.57013
105.0 2.34726 4.51743 0.55721
105.0 2.31009 4.10982 0.50286
105.0 2.26116 4.22772 0.51242
105.0 2.23036 4.09032 0.49268
105.0 2.19917 3.8791 0.46418
105.0 2.16787 3.73378 0.4442
105.0 2.1352 3.27153 0.38682
105.0 2.10574 2.92769 0.3443
105.0 2.07106 2.51218 0.29381
105.0 2.03701 2.18817 0.2546
105.0 2.00302 1.97813 0.22909
105.0 1.97328 1.88197 0.21727
105.0 1.94838 1.77917 0.20485
105.0 1.9237 1.61819 0.18588
105.0 1.89739 1.41231 0.16187
105.0 1.87181 1.20209 0.13753
105.0 1.84598 1.01975 0.11649
105.0 1.81971 0.90626 0.1034
105.0 1.79262 0.85191 0.09711
105.0 1.76512 0.93155 0.10612
105.0 1.73766 1.08022 0.12302
105.0 1.70933 1.25131 0.14251
105.0 1.68294 1.29161 0.14715
110.0 2.74178 5.10381 0.70183
110.0 2.69982 4.46246 0.59996
110.0 2.65465 4.44929 0.5881
110.0 2.61032 4.66239 0.60837
110.0 2.56311 4.69934 0.60611
110.0 2.51981 4.57735 0.58567
110.0 2.48857 4.72086 0.5998
110.0 2.45426 4.45889 0.56243
110.0 2.41905 4.39281 0.55007
110.0 2.38339 4.35718 0.54163
110.0 2.34726 4.44964 0.54922
110.0 2.31009 4.20672 0.51517
110.0 2.26116 3.9559 0.47957
110.0 2.23036 3.73265 0.44971
110.0 2.19917 3.41758 0.40914
110.0 2.16787 3.22621 0.38387
110.0 2.1352 2.81468 0.33278
110.0 2.10574 2.6128 0.3073
110.0 2.07106 2.33347 0.27292
110.0 2.03701 2.02216 0.23529
110.0 2.00302 1.86107 0.21555
110.0 1.97328 1.77455 0.20487
110.0 1.94838 1.63832 0.18862
110.0 1.9237 1.44613 0.1661
110.0 1.89739 1.23129 0.14112
110.0 1.87181 0.99157 0.11343
110.0 1.84598 0.80175 0.09158
110.0 1.81971 0.72207 0.08238
110.0 1.79262 0.70383 0.08023
110.0 1.76512 0.79468 0.09052
110.0 1.73766 0.9327 0.10621
110.0 1.70933 1.12031 0.12758
110.0 1.68294 1.19968 0.13666
115.0 2.74178 6.42865 0.88526
115.0 2.69982 5.69041 0.76544
115.0 2.65465 5.37098 0.71046
115.0 2.61032 5.70342 0.74455
115.0 2.56311 5.29391 0.68305
115.0 2.51981 5.26785 0.67435
115.0 2.48857 4.88203 0.62043
115.0 2.45426 5.01587 0.63288
115.0 2.41905 4.77209 0.59781
115.0 2.38339 4.69726 0.58406
115.0 2.34726 4.52594 0.55865
115.0 2.31009 4.04411 0.4952
115.0 2.26116 3.65272 0.44295
115.0 2.23036 3.34818 0.40337
115.0 2.19917 3.06598 0.36702
115.0 2.16787 2.83309 0.33701
115.0 2.1352 2.51993 0.29794
115.0 2.10574 2.25265 0.26486
115.0 2.07106 1.97497 0.23088
115.0 2.03701 1.68251 0.19568
115.0 2.00302 1.5816 0.18312
115.0 1.97328 1.47951 0.17078
115.0 1.94838 1.3486 0.15525
115.0 1.9237 1.18174 0.13573
115.0 1.89739 0.9819 0.11254
115.0 1.87181 0.76062 0.08703
115.0 1.84598 0.6174 0.07054
115.0 1.81971 0.52651 0.06008
115.0 1.79262 0.55055 0.06276
115.0 1.76512 0.65461 0.07458
115.0 1.73766 0.82276 0.09371
115.0 1.70933 1.05265 0.1199
115.0 1.68294 1.21564 0.13851