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Measurement E151M226

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).

No publications available for this experiment

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.101 GeV2
W : 1235 GeV
ε : 0.9051
Ebeam : 1.3383 GeV
εL: 0.5785 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

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

Measured data:

cos(θπ+) φ(π+),
degrees 		AUL Data errors Systematic errors
0.35 282 0.1906 0.4211 0.0323
0.45 282 -0.495 0.2674 0.0435
0.55 270 -0.2502 0.326 0.0338
0.55 282 0.6984 0.3135 0.0526
0.65 258 -0.3452 0.3337 0.0368
0.65 270 -0.0287 0.3428 0.0301
0.65 282 0.0474 0.2984 0.0301
0.65 294 -0.1548 0.4289 0.0315
0.75 258 -0.2191 0.349 0.0329
0.75 270 -0.3841 0.306 0.0383
0.75 282 -0.2481 0.3035 0.0337
0.75 294 0.2106 0.3515 0.0327
0.85 102 -0.8555 0.4154 0.0609
0.85 114 -0.262 0.4714 0.0341
0.85 126 0.5233 0.3994 0.0442
0.85 138 0.3776 0.3516 0.038
0.85 150 -0.1465 0.4877 0.0313
0.85 162 -0.3015 0.435 0.0353
0.85 174 0.4924 0.4722 0.0428
0.85 222 -0.3928 0.4953 0.0386
0.85 246 -0.0818 0.4496 0.0304
0.85 258 -0.5005 0.3458 0.0431
0.85 270 0.5214 0.3723 0.0441
0.85 282 -0.2172 0.3873 0.0329
0.85 294 -0.503 0.3526 0.0432
0.95 102 1.1786 0.3941 0.0789
0.95 114 0.3444 0.3581 0.0368
0.95 126 -0.0662 0.2976 0.0303
0.95 138 0.2665 0.3887 0.0342
0.95 150 -0.1451 0.3967 0.0313
0.95 162 0.2274 0.363 0.0331
0.95 174 0.5252 0.4336 0.0442
0.95 186 -0.0988 0.3795 0.0306
0.95 198 -0.0824 0.3535 0.0304
0.45 294 1.323 0.6814 0.0851
0.55 270 -0.1812 0.4926 0.0319
0.55 282 -0.2181 0.4531 0.0327
0.65 258 -0.2749 0.5317 0.0343
0.65 270 -0.1821 0.4518 0.0319
0.65 282 0.2213 0.46 0.0328
0.65 294 -0.6734 0.3748 0.0504
0.75 246 -0.1041 0.6074 0.0306
0.75 258 0.3819 0.6939 0.0378
0.75 270 0.0841 0.4905 0.0304
0.75 282 -0.1875 0.4143 0.0321
0.75 294 0.0677 0.4891 0.0303
0.85 102 -0.4895 0.4228 0.0421
0.85 114 -0.3355 0.4599 0.0362
0.85 126 0.2227 0.5462 0.0329
0.85 138 -0.5304 0.4694 0.0438
0.85 246 1.3743 0.8732 0.088
0.85 258 0.5291 0.8077 0.0438
0.85 270 -0.7019 0.3532 0.0518
0.85 282 0.0269 0.5175 0.03
0.85 294 0.809 0.7593 0.0572
0.95 102 -0.1831 0.5731 0.032
0.95 114 -0.1732 0.5698 0.0318
0.95 126 1.5546 0.7401 0.0983
0.95 138 -0.7018 0.3138 0.0518
0.95 150 0.2181 0.5158 0.0327
0.95 162 -0.5313 0.3883 0.0439
0.95 174 -0.2779 0.4411 0.0344
0.95 186 0.1159 0.5551 0.0308
0.95 198 -0.314 0.5216 0.0355
0.95 210 0.3789 0.6218 0.0377