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Measurement E151M532

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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 : 0.0415 GeV2
W : 1355 GeV
ε : 0.9469
Ebeam : 1.9889 GeV
εL: 0.1393 

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 1.9785 0.6155 0.1247
0.15 42 0.6396 0.6549 0.0493
0.25 30 0.0421 0.7002 0.0301
0.25 66 0.3771 0.5949 0.0378
0.25 294 -0.2127 0.5181 0.0327
0.25 306 -0.127 0.4688 0.031
0.35 66 0.1253 0.423 0.031
0.35 78 0.2044 0.4192 0.0325
0.35 90 -0.0479 0.5467 0.0301
0.35 282 -0.3656 0.4779 0.0374
0.35 294 -0.2706 0.3572 0.0343
0.35 306 -0.1155 0.4158 0.0308
0.45 66 0.904 0.4439 0.0629
0.45 78 0.8004 0.3665 0.0574
0.45 90 0.3979 0.4037 0.0386
0.45 270 -0.1097 0.4763 0.0307
0.45 282 -0.2848 0.3404 0.0347
0.45 294 -0.0396 0.3194 0.0301
0.45 306 -0.3555 0.4208 0.0371
0.55 66 0.2187 0.494 0.0328
0.55 78 0.431 0.3762 0.0399
0.55 90 -0.1158 0.3544 0.0308
0.55 102 0.1244 0.593 0.0309
0.55 114 -0.0072 0.6131 0.03
0.55 126 0.2194 0.6258 0.0329
0.55 246 -0.0073 0.5404 0.03
0.55 258 0.0741 0.5143 0.0303
0.55 270 0.2746 0.4672 0.0344
0.55 282 0.2223 0.3904 0.0329
0.55 294 0.3611 0.4383 0.0373
0.65 66 0.7252 0.5874 0.0535
0.65 78 -0.4694 0.3362 0.0415
0.65 90 -0.3186 0.532 0.0358
0.65 102 -0.396 0.4626 0.0386
0.65 114 0.0035 0.4559 0.03
0.65 126 -0.0313 0.3979 0.0301
0.65 138 -0.3158 0.4237 0.0357
0.65 210 -0.3522 0.5457 0.0369
0.65 222 0.2153 0.4618 0.0328
0.65 234 0.189 0.3812 0.0322
0.65 246 0.5462 0.3408 0.0449
0.65 258 0.6126 0.3938 0.048
0.65 270 -0.1205 0.4786 0.0309
0.65 282 0.7134 0.5998 0.053
0.75 78 0.3219 0.6098 0.0359
0.75 90 1.1317 0.6407 0.0754
0.75 102 -0.3763 0.4293 0.0378
0.75 114 -0.3143 0.3381 0.0356
0.75 126 0.6039 0.4149 0.0476
0.75 138 -0.4551 0.3265 0.0409
0.75 150 -0.1189 0.4226 0.0309
0.75 162 -0.8071 0.4899 0.0578
0.75 210 -0.181 0.4733 0.032
0.75 222 -0.0221 0.382 0.03
0.75 234 0.4169 0.3408 0.0394
0.75 246 0.3792 0.3101 0.0379
0.75 258 0.443 0.3682 0.0404
0.75 270 0.2857 0.4978 0.0347
0.85 102 -0.0567 0.6536 0.0302
0.85 114 -0.0373 0.447 0.0301
0.85 126 -0.185 0.3511 0.0321
0.85 138 0.3451 0.3935 0.0367
0.85 150 -0.5731 0.4102 0.0461
0.85 162 -0.3571 0.5745 0.0371
0.85 198 0.3569 0.6454 0.0371
0.85 210 0.6886 0.4544 0.0517
0.85 222 -0.0459 0.3777 0.0301
0.85 234 0.4716 0.3708 0.0416
0.85 246 0.0681 0.2833 0.0303
0.85 258 -0.2365 0.3027 0.0333
0.85 270 -0.4218 0.3974 0.0396
0.95 210 0.5288 0.6306 0.0441
0.95 222 0.7409 0.5366 0.0543
0.95 234 0.8731 0.4996 0.0613
0.95 246 -0.4604 0.4592 0.0411