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Measurement E151M524

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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 : 0.1435 GeV2
W : 1325 GeV
ε : 0.9284
Ebeam : 1.9889 GeV
εL: 0.4521 

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
0.15 294 -0.7098 0.4935 0.0528
0.15 306 -0.0657 0.6187 0.0303
0.25 66 -0.2096 0.5472 0.0326
0.25 78 -0.4172 0.6162 0.0394
0.25 306 0.2245 0.6419 0.033
0.35 66 0.5429 0.4739 0.0447
0.35 78 0.1657 0.5322 0.0317
0.35 294 0.8102 0.6947 0.0579
0.35 306 0.1032 0.6482 0.0307
0.45 66 -0.2193 0.506 0.0329
0.45 78 2.0172 2.0172 0.127
0.45 294 -0.6531 0.4551 0.05
0.55 66 0.5914 0.5555 0.047
0.55 78 0.4857 0.6619 0.0422
0.55 270 -0.394 0.5223 0.0385
0.65 90 -0.3491 0.5499 0.0368
0.65 102 0.4382 0.6618 0.0402
0.65 114 0.724 0.6753 0.0535
0.65 246 0.1649 0.6509 0.0317
0.65 258 -0.2812 0.4198 0.0346
0.65 270 0.1177 0.4168 0.0309
0.65 282 0.7052 0.6323 0.0525
0.75 78 0.4558 0.7003 0.041
0.75 90 0.2625 0.4763 0.034
0.75 102 -0.07 0.393 0.0303
0.75 114 -0.1397 0.4004 0.0312
0.75 126 0.6549 0.5351 0.05
0.75 138 0.4668 0.7089 0.0414
0.75 234 0.5086 0.5266 0.0432
0.75 246 -0.181 0.413 0.032
0.75 258 0.0294 0.3469 0.0301
0.75 270 -0.5499 0.3177 0.0451
0.75 282 -0.2016 0.4328 0.0324
0.75 294 -0.7887 0.4984 0.0568
0.85 90 0.4622 0.4012 0.0412
0.85 102 0.2991 0.3873 0.0351
0.85 114 -0.5333 0.3263 0.0443
0.85 126 0.2353 0.4054 0.0333
0.85 138 0.0428 0.4294 0.0301
0.85 150 0.9887 0.5218 0.0675
0.85 210 -0.555 0.5201 0.0453
0.85 222 -0.6292 0.469 0.0488
0.85 234 0.4161 0.4002 0.0393
0.85 246 0.2228 0.3954 0.0329
0.85 258 0.5501 0.3988 0.0451
0.85 270 -0.0541 0.3694 0.0302
0.85 282 0.3349 0.4464 0.0363
0.85 294 -0.6709 0.403 0.0508
0.95 102 0.2977 0.4598 0.0351
0.95 114 0.6223 0.4352 0.0485
0.95 126 0.219 0.448 0.0329
0.95 138 -0.3154 0.4555 0.0357
0.95 150 0.2917 0.527 0.0349
0.95 186 -0.6485 0.4699 0.0497
0.95 222 0.3514 0.5214 0.0369
0.95 234 -0.3246 0.4343 0.036
0.95 246 -0.138 0.4327 0.0312
0.95 258 -0.2956 0.4105 0.035
0.95 270 -0.2192 0.4046 0.0329
0.95 282 -0.0808 0.3192 0.0304
0.95 294 0.5058 0.6286 0.0431