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Measurement E151M257

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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 : 0.0291 GeV2
W : 1295 GeV
ε : 0.9147
Ebeam : 1.3383 GeV
εL: 0.1377 

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
0.15 30 3.1261 3.1261 0.1906
0.15 42 0.4722 0.3964 0.0446
0.25 30 -0.5882 0.6131 0.0464
0.25 42 -0.3301 0.3413 0.0385
0.25 54 0.0541 0.3791 0.0537
0.35 30 -0.3225 0.4017 0.0419
0.35 42 0.0544 0.4152 0.0486
0.35 54 -0.4917 0.4421 0.0452
0.45 30 0.1449 0.4688 0.0335
0.55 234 -1.0888 0.4588 0.0738
0.55 246 -0.4695 0.3593 0.0418
0.55 258 0.5129 0.3308 0.0437
0.55 270 0.8917 0.39 0.0628
0.65 126 0.2159 0.5106 0.0328
0.65 138 -0.4392 0.4624 0.0405
0.65 150 -0.2289 0.4607 0.0332
0.65 162 -0.5566 0.5666 0.0457
0.65 222 -0.0262 0.4964 0.03
0.65 234 -0.0033 0.367 0.03
0.65 246 0.293 0.3069 0.0351
0.65 258 0.7483 0.2945 0.0552
0.65 270 0.2584 0.3325 0.034
0.65 282 0.3104 0.4897 0.0356
0.75 114 0.4344 0.5122 0.0403
0.75 126 -0.6739 0.3278 0.0514
0.75 138 0.0196 0.3573 0.03
0.75 150 0.373 0.3726 0.0379
0.75 162 0.1755 0.4324 0.0319
0.75 174 0.3616 0.4837 0.0374
0.75 210 0.7176 0.4499 0.0536
0.75 222 -0.5833 0.3663 0.047
0.75 234 0.4432 0.2968 0.0407
0.75 246 0.1773 0.2584 0.0319
0.75 258 -0.2559 0.2578 0.0339
0.75 270 -0.3978 0.3122 0.0388
0.75 282 0.3313 0.4201 0.0363
0.85 114 -0.3325 0.5117 0.0364
0.85 126 -0.6233 0.4143 0.0489
0.85 138 -0.2883 0.3602 0.0349
0.85 150 0.0922 0.3536 0.0305
0.85 162 0.0617 0.3236 0.0302
0.85 174 -0.6596 0.3752 0.0507
0.85 186 -0.7662 0.4938 0.0561
0.85 198 -0.144 0.508 0.0313
0.85 210 -0.1734 0.4022 0.0319
0.85 222 -0.1194 0.3731 0.0309
0.85 234 -0.3881 0.3151 0.0384
0.85 246 0.1333 0.2936 0.0311
0.85 258 0.1225 0.2572 0.0309
0.85 270 -0.0046 0.285 0.03
0.85 282 -0.3232 0.4609 0.0361
0.95 126 -0.3282 0.457 0.0362
0.95 150 -0.4245 0.4679 0.0399
0.95 234 0.6345 0.444 0.0494
0.95 246 -0.7372 0.3513 0.0546
0.95 258 0.4941 0.476 0.0428
0.45 270 -0.2975 0.7476 0.0349
0.55 234 -0.284 0.6073 0.0345
0.55 246 -0.2632 0.4744 0.0339
0.55 258 -0.5954 0.3488 0.0467
0.55 270 0.2816 0.5585 0.0345
0.65 126 0.2327 0.7732 0.0331
0.65 138 0.6706 0.8675 0.0503
0.65 150 -0.9958 0.4877 0.0671
0.65 162 3.1964 3.1964 0.1948
0.65 210 -0.4307 0.6773 0.0397
0.65 222 0.919 0.7527 0.063
0.65 234 0.2299 0.4886 0.033
0.65 246 0.2267 0.412 0.033
0.65 258 0.3254 0.5104 0.0358
0.65 270 -0.1708 0.3844 0.0317
0.65 282 -0.0031 0.6782 0.03
0.75 114 1.707 0.8358 0.1071
0.75 126 -0.2886 0.5556 0.0347
0.75 138 0.3193 0.5695 0.0356
0.75 150 0.2105 0.5707 0.0326
0.75 162 -0.3751 0.5392 0.0376
0.75 174 -0.3574 0.5741 0.0369
0.75 186 -1.0329 0.4487 0.0691
0.75 198 0.0313 0.8215 0.0301
0.75 210 0.1256 0.8105 0.0309
0.75 222 -0.6297 0.4463 0.0484
0.75 234 -0.598 0.3223 0.0469
0.75 246 -0.2681 0.3639 0.0341
0.75 258 -0.0776 0.3828 0.0304
0.75 270 -0.1296 0.4382 0.031
0.75 282 -0.8784 0.3731 0.0608
0.85 126 -0.3323 0.5797 0.0361
0.85 138 -0.8524 0.3843 0.0595
0.85 150 -0.0825 0.48 0.0304
0.85 162 0.6668 0.7018 0.0501
0.85 174 -0.4682 0.5074 0.0412
0.85 186 -0.1171 0.6279 0.0308
0.85 198 -0.0141 0.6894 0.03
0.85 210 0.3041 0.7812 0.0351
0.85 222 -0.1883 0.5005 0.0321
0.85 234 0.055 0.4004 0.0302
0.85 246 -0.2403 0.3298 0.0333
0.85 258 -0.2249 0.3377 0.0329
0.85 270 0.4213 0.5224 0.0393
0.95 126 -0.9078 0.4307 0.0624
0.95 138 -0.4524 0.5963 0.0405
0.95 150 1.3285 0.9995 0.0854
0.95 234 0.1429 0.5771 0.0312
0.95 246 0.2314 0.5704 0.0331
0.95 258 -0.5996 0.4493 0.0469