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Measurement E151M242

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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 : 0.0593 GeV2
W : 1265 GeV
ε : 0.9133
Ebeam : 1.3383 GeV
εL: 0.314 

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 0.0979 0.8126 0.0306
0.15 42 -0.0299 0.8219 0.0301
0.15 54 3.0627 3.0627 0.1869
0.25 42 -0.4947 0.6612 0.0423
0.45 270 1.2622 1.0583 0.0817
0.45 282 -0.4833 0.7105 0.0418
0.55 258 -0.0669 0.5751 0.0303
0.55 270 -0.8796 0.3065 0.0609
0.55 282 -0.18 0.5214 0.0319
0.65 246 0.219 0.5808 0.0328
0.65 258 -0.66 0.3195 0.0498
0.65 270 -0.4187 0.4022 0.0392
0.65 282 -0.7741 0.3901 0.0554
0.75 114 -0.2641 0.7045 0.034
0.75 126 -0.3662 0.6958 0.0372
0.75 138 -0.2707 0.6307 0.0341
0.75 150 -0.4447 0.6749 0.0402
0.75 234 -0.0308 0.5254 0.0301
0.75 246 -0.0924 0.4029 0.0305
0.75 258 0.5508 0.4693 0.0447
0.75 270 -0.3399 0.3669 0.0363
0.75 282 0.6224 0.5028 0.048
0.75 294 -0.6768 0.5059 0.0506
0.85 102 -0.3947 0.662 0.0383
0.85 114 1.4597 0.7867 0.0929
0.85 126 -0.3558 0.3901 0.0369
0.85 138 1.7968 0.6548 0.1123
0.85 150 0.396 0.6143 0.0383
0.85 162 -0.0774 0.5524 0.0304
0.85 174 -0.2595 0.5006 0.0338
0.85 186 0.3369 0.7715 0.0362
0.85 222 -0.4402 0.6004 0.04
0.85 234 -0.0833 0.5555 0.0304
0.85 246 0.0081 0.44 0.03
0.85 258 1.2539 0.5728 0.0812
0.85 270 0.3282 0.4606 0.0359
0.85 282 0.1128 0.4989 0.0308
0.95 102 -0.427 0.5724 0.0395
0.95 126 -0.2755 0.5866 0.0343
0.95 138 -0.4943 0.5065 0.0423
0.95 150 0.349 0.599 0.0366
0.95 162 0.4141 0.831 0.039
0.95 174 -0.3743 0.4506 0.0375
0.95 186 -0.1881 0.562 0.0321
0.95 198 -0.6558 0.4486 0.0496
0.95 234 -0.0914 0.5433 0.0305
0.95 246 -0.4832 0.4905 0.0418
0.95 258 0.1551 0.6215 0.0314
0.05 42 -1.1125 0.4297 0.0751
0.35 42 0.3029 0.5475 0.0354
0.45 270 0.5319 0.5051 0.0446
0.55 258 0.8731 0.4151 0.0618
0.55 270 0.2025 0.3804 0.0325
0.55 282 0.3861 0.3916 0.0384
0.65 246 -0.5096 0.358 0.0435
0.65 258 -0.5656 0.3025 0.0461
0.65 270 -0.2496 0.3094 0.0337
0.65 282 0.0247 0.3731 0.03
0.65 294 0.5227 0.5333 0.0441
0.75 114 -0.0514 0.4639 0.0302
0.75 126 -0.0944 0.5138 0.0306
0.75 138 -0.3446 0.4443 0.0368
0.75 234 -0.1361 0.4494 0.0312
0.75 246 0.0775 0.3536 0.0304
0.75 258 -0.655 0.2943 0.0504
0.75 270 -0.4274 0.2716 0.04
0.75 282 0.011 0.3434 0.03
0.75 294 -0.7788 0.4476 0.0568
0.85 114 0.2673 0.3657 0.0343
0.85 126 0.3483 0.3352 0.0369
0.85 138 -0.2129 0.2976 0.0328
0.85 150 0.565 0.367 0.0461
0.85 162 -0.0474 0.372 0.0301
0.85 174 0.2893 0.3753 0.0349
0.85 186 0.2102 0.4873 0.0327
0.85 198 -0.1845 0.4692 0.0321
0.85 234 -0.4887 0.361 0.0426
0.85 246 0.2838 0.3455 0.0348
0.85 258 0.1336 0.2817 0.0311
0.85 270 -0.4124 0.3209 0.0394
0.85 282 -0.8034 0.2981 0.0581
0.95 102 -0.3059 0.4334 0.0355
0.95 114 0.1801 0.468 0.032
0.95 126 -0.2056 0.3715 0.0326
0.95 138 -0.5098 0.3462 0.0435
0.95 150 0.7635 0.3915 0.056
0.95 162 0.1201 0.399 0.0309
0.95 174 0.6015 0.4149 0.0478
0.95 222 -0.3158 0.4016 0.0358
0.95 234 -0.3283 0.4193 0.0362
0.95 246 1.0445 0.4035 0.0713
0.95 258 -0.1995 0.3729 0.0324