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Measurement E151M758

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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 : 0.1715 GeV2
W : 1295 GeV
ε : 0.9468
Ebeam : 2.2596 GeV
εL: 0.6101 

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
0.25 66 0.0847 0.3812 0.0305
0.35 66 -0.2331 0.3789 0.0337
0.35 78 -0.0675 0.5167 0.0303
0.65 102 -0.6571 0.4876 0.0525
0.65 258 -0.6905 0.4367 0.0543
0.65 270 -0.2682 0.3547 0.0348
0.65 282 0.7526 0.5297 0.0578
0.75 78 -0.1439 0.4436 0.0315
0.75 90 -0.0865 0.535 0.0305
0.75 102 0.6362 0.499 0.0514
0.75 114 0.0969 0.5529 0.0307
0.75 258 -0.4567 0.4518 0.0424
0.75 270 0.1164 0.4284 0.031
0.75 282 0.0821 0.3829 0.0305
0.75 294 0.037 0.4648 0.0301
0.85 78 1.2786 0.5351 0.0891
0.85 90 -0.3735 0.41 0.0387
0.85 102 0.0022 0.438 0.03
0.85 114 -0.4407 0.3675 0.0417
0.85 126 -0.7156 0.5191 0.0557
0.85 234 0.0808 0.6579 0.0305
0.85 246 0.0927 0.5686 0.0306
0.85 258 0.1885 0.4488 0.0324
0.85 270 0.155 0.3769 0.0317
0.85 282 -0.8288 0.4019 0.0621
0.85 294 -0.0534 0.4229 0.0302
0.95 102 0.0156 0.7816 0.03
0.95 114 0.4615 0.7824 0.0426
0.95 126 0.382 0.8912 0.0391
0.95 138 -0.2453 0.7504 0.034
0.95 246 -0.058 0.9608 0.0302
0.95 258 0.0714 0.7736 0.0304
0.95 270 -0.8357 0.7549 0.0625
0.95 282 0.0291 0.7156 0.0301
0.95 294 0.2429 0.8304 0.034
0.15 66 0.4787 1.5657 0.0534
0.35 66 1.8309 1.515 0.1716
0.45 78 3.7697 1.5702 0.3492
0.55 282 -0.254 1.3038 0.0381
0.65 270 0.332 1.1797 0.0429
0.65 282 0.1253 1.2832 0.0322
0.65 294 0.8754 1.4282 0.0862
0.75 90 0.777 1.7312 0.0777
0.75 102 -0.1376 1.2749 0.0326
0.75 246 0.5025 1.3676 0.0552
0.75 258 1.6667 1.3307 0.1567
0.75 270 0.4366 1.1329 0.0502
0.75 282 -2.9025 0.9063 0.2696
0.85 78 0.0433 1.8519 0.0303
0.85 90 -0.2352 1.5811 0.037
0.85 102 -0.1932 1.46 0.0349
0.85 114 -2.1258 1.4599 0.1985
0.85 126 -0.7727 1.8632 0.0774
0.85 138 0.15 2.0484 0.033
0.85 246 -1.1202 1.3115 0.1077
0.85 258 -1.2315 1.2362 0.1176
0.85 270 -0.3714 1.1616 0.0456
0.85 282 1.0364 1.4544 0.1002
0.85 294 0.6438 1.6232 0.0666
0.95 90 6.2382 4.7433 0.5765
0.95 102 4.8878 5.0837 0.4521
0.95 114 -8.4264 4.1171 0.7783
0.95 126 1.2147 5.3847 0.1161
0.95 138 -4.3882 5.0084 0.4061
0.95 246 -0.8843 4.4616 0.087
0.95 270 -3.1017 3.7971 0.2878
0.95 282 5.9853 4.5736 0.5532