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Measurement E63M11

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Experiment: , 0

Spokespersons: Curtis A. Meyer

Experiment comment: The data were obtained using real photons produced via bremsstrahlung from a 4.023-GeV electron beam

Measurement comment: Spin density matrix elements ρ001 in the Adair frame for the neutral-mode topology

Publication:

Quantity measured: ρ01,0, dimensionless
Spin density matrix element.
Beam: γ, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: φ p, polarization: none

W : 1.985 — 2.815 GeV

Select data slice:
W = GeV
Observable quantity measured (Y axis): ρ01,0, dimensionless
Plot measurement data

Parameter (X axis): cos(θ), dimensionless

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Measured data:

W,
GeV 		cos(θ),
dimensionless 		ρ01,0,
dimensionless 		Data errors,
dimensionless
1.985 -0.6 -0.0301 0.0204
1.985 -0.5 -0.0106 0.0147
1.985 -0.4 0.0101 0.037
1.985 -0.3 0.0247 0.028
1.985 -0.2 0.033 0.0158
1.985 -0.1 0.0378 0.0094
1.985 0 0.0404 0.0053
1.985 0.1 0.0406 0.0084
1.985 0.2 0.0388 0.0128
1.985 0.3 0.0358 0.0126
1.985 0.4 0.0314 0.0122
1.985 0.5 0.0279 0.0125
1.985 0.6 0.0264 0.018
1.985 0.7 0.0288 0.0187
1.985 0.8 0.0346 0.0127
1.985 0.89 0.0378 0.0801
2.015 -0.7 -0.0486 0.0003
2.015 -0.6 -0.0122 0.0178
2.015 -0.5 -0.0313 0.0142
2.015 -0.4 -0.0413 0.0322
2.015 -0.3 -0.0145 0.0258
2.015 -0.2 0.0179 0.016
2.015 -0.1 0.0371 0.0078
2.015 0 0.0457 0.0075
2.015 0.1 0.0522 0.0079
2.015 0.2 0.0567 0.0102
2.015 0.3 0.0536 0.0113
2.015 0.4 0.0446 0.0113
2.015 0.5 0.0423 0.0117
2.015 0.6 0.0518 0.0154
2.015 0.7 0.0539 0.0161
2.015 0.8 0.0245 0.0103
2.015 0.9 -0.0445 0.0689
2.045 -0.77 -0.0661 0.0929
2.045 -0.7 -0.0489 0.0234
2.045 -0.6 -0.0348 0.0165
2.045 -0.5 -0.0334 0.012
2.045 -0.4 -0.0312 0.0242
2.045 -0.3 -0.0197 0.02
2.045 -0.2 0.0012 0.0143
2.045 -0.1 0.0238 0.012
2.045 0 0.0404 0.0089
2.045 0.1 0.0495 0.0075
2.045 0.2 0.0538 0.0074
2.045 0.3 0.0558 0.0091
2.045 0.4 0.0557 0.0108
2.045 0.5 0.0526 0.0123
2.045 0.6 0.0493 0.0145
2.045 0.7 0.0456 0.0129
2.045 0.8 0.0393 0.0097
2.045 0.9 0.0332 0.0437
2.075 -0.78 -0.1591 0.0953
2.075 -0.7 -0.095 0.0329
2.075 -0.6 -0.0459 0.014
2.075 -0.5 -0.0442 0.0093
2.075 -0.4 -0.0467 0.0132
2.075 -0.3 -0.0365 0.011
2.075 -0.2 -0.016 0.0105
2.075 -0.1 0.0072 0.0135
2.075 0 0.0278 0.0096
2.075 0.1 0.044 0.0059
2.075 0.2 0.0559 0.0063
2.075 0.3 0.0625 0.0065
2.075 0.4 0.0633 0.0091
2.075 0.5 0.0605 0.01
2.075 0.6 0.0564 0.0078
2.075 0.7 0.0513 0.0074
2.075 0.8 0.0394 0.0127
2.075 0.9 0.0232 0.0392
2.105 -0.79 -0.0215 0.0823
2.105 -0.7 -0.0479 0.039
2.105 -0.6 -0.0599 0.0188
2.105 -0.5 -0.0518 0.0164
2.105 -0.4 -0.0415 0.016
2.105 -0.3 -0.0326 0.0117
2.105 -0.2 -0.0214 0.0085
2.105 -0.1 -0.0051 0.0134
2.105 0 0.0155 0.0084
2.105 0.1 0.0363 0.0088
2.105 0.2 0.0538 0.0096
2.105 0.3 0.0667 0.0076
2.105 0.4 0.0745 0.0081
2.105 0.5 0.0757 0.0121
2.105 0.6 0.0704 0.0114
2.105 0.7 0.0598 0.0081
2.105 0.8 0.0488 0.0101
2.105 0.9 0.0263 0.0156
2.135 -0.79 -0.0076 0.072
2.135 -0.7 -0.0494 0.0426
2.135 -0.6 -0.0562 0.0376
2.135 -0.5 -0.0385 0.0188
2.135 -0.4 -0.023 0.0223
2.135 -0.3 -0.0195 0.0181
2.135 -0.2 -0.0236 0.0044
2.135 -0.1 -0.0169 0.0136
2.135 0 0.0099 0.006
2.135 0.1 0.0438 0.0115
2.135 0.2 0.0678 0.0119
2.135 0.3 0.0775 0.0133
2.135 0.4 0.0797 0.0141
2.135 0.5 0.079 0.0139
2.135 0.6 0.0742 0.0124
2.135 0.7 0.0667 0.0095
2.135 0.8 0.0679 0.0088
2.135 0.9 0.0587 0.0209
2.165 -0.79 -0.073 0.0456
2.165 -0.7 -0.094 0.0386
2.165 -0.6 -0.0915 0.048
2.165 -0.5 -0.0691 0.0267
2.165 -0.4 -0.0453 0.0237
2.165 -0.3 -0.0287 0.019
2.165 -0.2 -0.0178 0.0116
2.165 -0.1 -0.0043 0.021
2.165 0 0.0129 0.0047
2.165 0.1 0.03 0.0222
2.165 0.2 0.0481 0.0129
2.165 0.3 0.0691 0.0217
2.165 0.4 0.0878 0.0241
2.165 0.5 0.0958 0.0168
2.165 0.6 0.0906 0.0105
2.165 0.7 0.0776 0.0088
2.165 0.8 0.0715 0.0119
2.165 0.9 0.0489 0.0231
2.195 -0.8 -0.0747 0.0458
2.195 -0.7 -0.0357 0.0364
2.195 -0.6 -0.0066 0.0515
2.195 -0.5 -0.0463 0.0272
2.195 -0.4 -0.0832 0.0182
2.195 -0.3 -0.0653 0.0234
2.195 -0.2 -0.0145 0.014
2.195 -0.1 0.0131 0.0217
2.195 0 0.0107 0.014
2.195 0.1 0.0129 0.0332
2.195 0.2 0.0488 0.0202
2.195 0.3 0.094 0.0237
2.195 0.4 0.1144 0.0288
2.195 0.5 0.1128 0.0174
2.195 0.6 0.1031 0.0086
2.195 0.7 0.0895 0.0099
2.195 0.8 0.0712 0.0066
2.195 0.9 0.0739 0.0181
2.225 -0.8 -0.0127 0.0441
2.225 -0.7 -0.0642 0.0311
2.225 -0.6 -0.06 0.0576
2.225 -0.5 -0.0821 0.0256
2.225 -0.4 -0.0778 0.0255
2.225 -0.3 -0.0554 0.0318
2.225 -0.2 -0.0411 0.0177
2.225 -0.1 -0.0253 0.0186
2.225 0 0.0176 0.0174
2.225 0.1 0.057 0.0399
2.225 0.2 0.0614 0.0191
2.225 0.3 0.0531 0.0183
2.225 0.4 0.0622 0.0257
2.225 0.5 0.0876 0.0124
2.225 0.6 0.0993 0.0069
2.225 0.7 0.0909 0.0113
2.225 0.8 0.0858 0.0103
2.225 0.9 0.0545 0.027
2.255 -0.8 0.0041 0.0716
2.255 -0.7 -0.0561 0.0195
2.255 -0.6 -0.0526 0.0487
2.255 -0.5 -0.0668 0.0299
2.255 -0.4 -0.083 0.0149
2.255 -0.3 -0.0822 0.026
2.255 -0.2 -0.061 0.0162
2.255 -0.1 -0.035 0.0266
2.255 0 -0.0178 0.0289
2.255 0.1 0.0002 0.0388
2.255 0.2 0.0259 0.021
2.255 0.3 0.0537 0.0179
2.255 0.4 0.0755 0.0237
2.255 0.5 0.0897 0.0142
2.255 0.6 0.0996 0.0072
2.255 0.7 0.1029 0.0155
2.255 0.8 0.082 0.0234
2.255 0.9 0.0395 0.0261
2.285 -0.8 -0.0564 0.0821
2.285 -0.7 -0.0778 0.0243
2.285 -0.6 -0.1149 0.0465
2.285 -0.5 -0.0929 0.0404
2.285 -0.4 -0.0494 0.0389
2.285 -0.3 -0.0376 0.0427
2.285 -0.2 -0.0489 0.0266
2.285 -0.1 -0.031 0.0173
2.285 0 0.0054 0.0298
2.285 0.1 0.0334 0.0321
2.285 0.2 0.0476 0.0152
2.285 0.3 0.0576 0.0057
2.285 0.4 0.071 0.0096
2.285 0.5 0.0854 0.0069
2.285 0.6 0.0932 0.008
2.285 0.7 0.0867 0.0168
2.285 0.8 0.0678 0.0232
2.285 0.9 0.0817 0.0254
2.315 -0.8 -0.1807 0.1078
2.315 -0.7 -0.0916 0.0253
2.315 -0.6 -0.0585 0.0438
2.315 -0.5 -0.0553 0.0456
2.315 -0.4 -0.0407 0.0403
2.315 -0.3 -0.0308 0.0403
2.315 -0.2 -0.0528 0.0244
2.315 -0.1 -0.0663 0.0248
2.315 0 -0.0342 0.0238
2.315 0.1 0.0151 0.0196
2.315 0.2 0.049 0.0081
2.315 0.3 0.0665 0.0078
2.315 0.4 0.0833 0.0084
2.315 0.5 0.0997 0.0073
2.315 0.6 0.1085 0.0081
2.315 0.7 0.114 0.0127
2.315 0.8 0.1171 0.0235
2.315 0.9 0.0563 0.0208
2.345 -0.8 -0.0655 0.1028
2.345 -0.7 -0.0481 0.0243
2.345 -0.6 -0.0984 0.0439
2.345 -0.5 -0.1308 0.0546
2.345 -0.4 -0.1162 0.0358
2.345 -0.3 -0.0994 0.0317
2.345 -0.2 -0.1048 0.0262
2.345 -0.1 -0.0819 0.0251
2.345 0 -0.0199 0.0276
2.345 0.1 0.0325 0.0173
2.345 0.2 0.0497 0.0035
2.345 0.3 0.0579 0.0147
2.345 0.4 0.0789 0.012
2.345 0.5 0.1033 0.0076
2.345 0.6 0.1141 0.0115
2.345 0.7 0.1127 0.0111
2.345 0.8 0.1032 0.0299
2.345 0.9 0.0469 0.02
2.375 -0.7 -0.0629 0.0248
2.375 -0.6 -0.0944 0.0352
2.375 -0.5 -0.0954 0.0513
2.375 -0.4 -0.0914 0.0531
2.375 -0.3 -0.0918 0.053
2.375 -0.2 -0.0831 0.0247
2.375 -0.1 -0.0509 0.017
2.375 0 -0.0039 0.022
2.375 0.1 0.0294 0.0185
2.375 0.2 0.0487 0.0057
2.375 0.3 0.067 0.0207
2.375 0.4 0.0887 0.0136
2.375 0.5 0.1079 0.0078
2.375 0.6 0.1173 0.0134
2.375 0.7 0.1167 0.0027
2.375 0.8 0.0968 0.0188
2.375 0.9 0.049 0.0149
2.405 -0.7 -0.0448 0.0293
2.405 -0.6 -0.0392 0.052
2.405 -0.5 -0.0347 0.0488
2.405 -0.4 -0.0862 0.0508
2.405 -0.3 -0.1111 0.0608
2.405 -0.2 -0.0865 0.031
2.405 -0.1 -0.0605 0.0216
2.405 0 -0.0364 0.0229
2.405 0.1 0.0057 0.0274
2.405 0.2 0.057 0.0257
2.405 0.3 0.0947 0.0273
2.405 0.4 0.1074 0.0149
2.405 0.5 0.1028 0.0079
2.405 0.6 0.1013 0.0155
2.405 0.7 0.1168 0.0079
2.405 0.8 0.1297 0.022
2.405 0.9 0.0786 0.0239
2.405 -0.8 0.0691 0.1696
2.435 -0.7 -0.0612 0.0318
2.435 -0.6 -0.0168 0.0645
2.435 -0.5 -0.0223 0.0524
2.435 -0.4 -0.0156 0.0586
2.435 -0.3 -0.0322 0.0744
2.435 -0.2 -0.0732 0.0278
2.435 -0.1 -0.0697 0.0161
2.435 0 -0.0114 0.0399
2.435 0.1 0.0312 0.0365
2.435 0.2 0.0444 0.0278
2.435 0.3 0.0577 0.032
2.435 0.4 0.0867 0.0183
2.435 0.5 0.1184 0.0068
2.435 0.6 0.1286 0.0126
2.435 0.7 0.1203 0.0095
2.435 0.8 0.1108 0.0216
2.435 0.9 0.0648 0.0292
2.465 -0.7 -0.0037 0.0362
2.465 -0.6 -0.1059 0.0701
2.465 -0.5 -0.0892 0.0435
2.465 -0.4 -0.1105 0.0431
2.465 -0.3 -0.1613 0.0737
2.465 -0.2 -0.1376 0.0532
2.465 -0.1 -0.0426 0.0389
2.465 0 0.0028 0.0421
2.465 0.1 -0.016 0.0397
2.465 0.2 -0.0188 0.0293
2.465 0.3 0.0267 0.0307
2.465 0.4 0.0824 0.0207
2.465 0.5 0.1175 0.0077
2.465 0.6 0.1327 0.0248
2.465 0.7 0.1384 0.0305
2.465 0.8 0.1324 0.0216
2.465 0.9 0.1002 0.0335
2.495 -0.7 0.028 0.0569
2.495 -0.6 -0.0211 0.0838
2.495 -0.5 -0.0346 0.038
2.495 -0.4 -0.1111 0.0609
2.495 -0.3 -0.1689 0.0711
2.495 -0.2 -0.1285 0.0545
2.495 -0.1 -0.0602 0.0464
2.495 0 -0.0677 0.0457
2.495 0.1 -0.0655 0.0367
2.495 0.2 -0.0115 0.0285
2.495 0.3 0.0585 0.0273
2.495 0.4 0.1058 0.0215
2.495 0.5 0.1203 0.0085
2.495 0.6 0.1338 0.0292
2.495 0.7 0.1534 0.0416
2.495 0.8 0.1409 0.0214
2.495 0.9 0.0651 0.0394
2.53 -0.7 -0.0006 0.0558
2.53 -0.6 0.0433 0.0908
2.53 -0.5 -0.027 0.0639
2.53 -0.4 -0.1074 0.0662
2.53 -0.3 -0.112 0.0771
2.53 -0.2 -0.0441 0.0499
2.53 -0.1 0.0192 0.0765
2.53 0 -0.011 0.063
2.53 0.1 -0.0342 0.0315
2.53 0.2 0.0053 0.021
2.53 0.3 0.0808 0.0246
2.53 0.4 0.1352 0.0219
2.53 0.5 0.1259 0.0099
2.53 0.6 0.0913 0.0383
2.53 0.7 0.0872 0.0487
2.53 0.8 0.1094 0.0221
2.53 0.9 0.1099 0.0351
2.57 -0.8 -0.0361 0.0891
2.57 -0.7 -0.0916 0.0731
2.57 -0.6 -0.0507 0.0983
2.57 -0.5 -0.0072 0.0575
2.57 -0.4 -0.0302 0.0898
2.57 -0.3 -0.0681 0.0803
2.57 -0.2 -0.0729 0.0628
2.57 -0.1 -0.0399 0.1063
2.57 0 -0.0198 0.0576
2.57 0.1 -0.0173 0.0285
2.57 0.2 0.0066 0.0219
2.57 0.3 0.0567 0.0196
2.57 0.4 0.1124 0.0316
2.57 0.5 0.1465 0.0325
2.57 0.6 0.1572 0.0417
2.57 0.7 0.1544 0.0403
2.57 0.8 0.1294 0.0231
2.57 0.9 0.0676 0.0349
2.61 -0.8 -0.1342 0.1251
2.61 -0.7 -0.0209 0.0867
2.61 -0.6 0.0666 0.1031
2.61 -0.5 0.117 0.0992
2.61 -0.4 0.1362 0.0982
2.61 -0.3 0.0864 0.0673
2.61 -0.2 -0.0242 0.0463
2.61 -0.1 -0.1614 0.1046
2.61 0 -0.107 0.0523
2.61 0.1 0.0082 0.025
2.61 0.2 0.0477 0.0283
2.61 0.3 0.0761 0.0358
2.61 0.4 0.1213 0.0386
2.61 0.5 0.1538 0.0342
2.61 0.6 0.1534 0.038
2.61 0.7 0.1348 0.027
2.61 0.8 0.107 0.0176
2.61 0.9 0.0644 0.0303
2.645 -0.8 0.0726 0.1351
2.645 -0.7 -0.107 0.0856
2.645 -0.6 -0.0482 0.1007
2.645 -0.5 0.0492 0.1225
2.645 -0.4 0.0769 0.0896
2.645 -0.3 0.0703 0.0862
2.645 -0.2 0.0498 0.0679
2.645 -0.1 -0.0005 0.0867
2.645 0 -0.0474 0.0453
2.645 0.1 -0.0291 0.0319
2.645 0.2 0.0288 0.0414
2.645 0.3 0.0641 0.039
2.645 0.4 0.0697 0.0433
2.645 0.5 0.0834 0.0343
2.645 0.6 0.1141 0.0196
2.645 0.7 0.133 0.0177
2.645 0.8 0.1241 0.0278
2.645 0.9 0.1013 0.0236
2.675 -0.8 -0.0771 0.1227
2.675 -0.7 -0.0092 0.0948
2.675 -0.6 -0.1306 0.0894
2.675 -0.5 -0.0901 0.1079
2.675 -0.4 0.0035 0.0928
2.675 -0.3 0.0453 0.051
2.675 -0.2 0.0405 0.0782
2.675 -0.1 0.0059 0.0987
2.675 0 -0.0365 0.0298
2.675 0.1 -0.0145 0.0307
2.675 0.2 0.0631 0.0454
2.675 0.3 0.1334 0.0705
2.675 0.4 0.1369 0.069
2.675 0.5 0.1092 0.0418
2.675 0.6 0.1006 0.0187
2.675 0.7 0.1267 0.0143
2.675 0.8 0.1343 0.0248
2.675 0.9 0.0787 0.0363
2.71 -0.8 -0.1094 0.0851
2.71 -0.7 -0.0964 0.116
2.71 -0.6 -0.0421 0.0712
2.71 -0.5 0.0601 0.0958
2.71 -0.4 0.0257 0.1041
2.71 -0.3 -0.0395 0.0976
2.71 -0.2 -0.0625 0.08
2.71 -0.1 -0.0373 0.0547
2.71 0 -0.0563 0.0126
2.71 0.1 -0.0571 0.0229
2.71 0.2 -0.0001 0.0503
2.71 0.3 0.0799 0.0772
2.71 0.4 0.1167 0.0744
2.71 0.5 0.1153 0.0493
2.71 0.6 0.1094 0.0376
2.71 0.7 0.0969 0.0372
2.71 0.8 0.0848 0.0462
2.71 0.9 0.0981 0.0519
2.77 0 -0.0431 0.0084
2.77 0.1 -0.0764 0.0165
2.77 0.2 -0.0631 0.0315
2.77 0.3 -0.0377 0.0456
2.77 0.4 0.008 0.039
2.77 0.5 0.0723 0.0153
2.77 0.6 0.1169 0.004
2.77 0.7 0.1133 0.012
2.77 0.8 0.0753 0.0178
2.77 0.9 0.0419 0.021
2.815 0 -0.0422 0
2.815 0.1 -0.0716 0
2.815 0.2 -0.0315 0
2.815 0.3 0.0197 0
2.815 0.4 0.0969 0
2.815 0.5 0.1768 0
2.815 0.6 0.2071 0
2.815 0.7 0.1864 0
2.815 0.8 0.155 0
2.815 0.9 0.1446 0