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Measurement E151M601

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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 : 1475 GeV
ε : 0.8676
Ebeam : 1.9889 GeV
εL: 0.2118 

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 Stat. error Syst. error
0.15 294 0.3989 0.7017 0.0387
0.25 66 0.1906 0.6213 0.0322
0.25 78 -0.6499 0.6315 0.0498
0.25 282 0.4277 0.6462 0.0398
0.25 294 0.4163 0.6033 0.0393
0.25 306 -0.1792 0.588 0.0319
0.35 66 -0.6299 0.529 0.0488
0.35 78 -0.6038 0.5173 0.0476
0.35 282 0.5478 0.6335 0.045
0.35 294 -0.3632 0.472 0.0373
0.45 66 -0.3167 0.6901 0.0357
0.45 78 -1.2364 0.402 0.0814
0.45 270 1.4735 0.736 0.095
0.45 282 -0.1822 0.5287 0.032
0.45 294 -0.0558 0.4278 0.0302
0.55 66 -0.9017 0.6281 0.0628
0.55 102 1.1155 0.7981 0.0745
0.55 114 -0.029 0.5835 0.0301
0.55 258 0.9086 0.7797 0.0632
0.55 282 0.4787 0.6387 0.0419
0.55 306 -0.2024 0.5805 0.0325
0.65 102 0.7215 0.6112 0.0534
0.65 114 -0.1221 0.5145 0.0309
0.65 126 -0.438 0.5584 0.0402
0.65 138 -0.3144 0.7209 0.0356
0.65 234 0.118 0.6719 0.0309
0.65 246 -0.2382 0.4969 0.0333
0.65 258 1.1308 0.7328 0.0754
0.65 270 -0.2808 0.6842 0.0346
0.65 294 1.121 0.644 0.0748
0.65 306 0.2032 0.6182 0.0325
0.75 102 -0.6183 0.4701 0.0483
0.75 114 -1.0835 0.3446 0.0727
0.75 126 -0.2033 0.4782 0.0325
0.75 138 -0.3665 0.5997 0.0374
0.75 210 0.6519 0.593 0.0499
0.75 222 0.8089 0.6552 0.0579
0.75 234 0.3734 0.5017 0.0377
0.75 246 -0.1786 0.4197 0.0319
0.75 258 1.3792 0.5426 0.0895
0.75 270 -0.0391 0.6846 0.0301
0.75 294 -0.3254 0.5925 0.036
0.85 78 0.9072 0.6472 0.0631
0.85 90 -1.0025 0.4699 0.0683
0.85 102 -0.7261 0.5017 0.0536
0.85 114 -0.9214 0.4846 0.0638
0.85 126 -0.4186 0.5727 0.0394
0.85 138 -1.5964 0.3202 0.1021
0.85 150 -0.5183 0.6445 0.0436
0.85 198 0.1825 0.7235 0.032
0.85 210 0.6392 0.6712 0.0493
0.85 222 0.1599 0.6637 0.0316
0.85 234 0.4851 0.4641 0.0422
0.85 246 0.0821 0.486 0.0304
0.85 258 -0.5005 0.4395 0.0429
0.85 270 -0.4431 0.4957 0.0404
0.95 90 -0.1941 0.5957 0.0323
0.95 210 1.0568 0.6435 0.0713
0.95 222 0.1587 0.5024 0.0315
0.95 234 0.8242 0.6156 0.0587
0.95 246 0.5324 0.4272 0.0443
0.95 258 0.5483 0.4876 0.045
0.95 270 -0.1826 0.4099 0.032