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Measurement E151M1375

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0245 GeV2
W : 1415 GeV
ε : 0.6987
Ebeam : 1.0539 GeV
εL: 0.0458 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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 		ALL Stat. error Syst. error
0.25 42 0.1266 0.7974 0.0332
0.25 54 0.6788 0.9246 0.0822
0.35 30 -0.0259 0.8229 0.0301
0.35 42 -0.4191 0.7067 0.056
0.35 54 -0.6661 0.6493 0.0809
0.45 18 -0.5753 0.9492 0.0715
0.45 30 -0.4628 0.8007 0.0602
0.45 42 -1.3033 0.5707 0.15
0.45 54 0.2998 0.6482 0.0452
0.45 222 0.1072 0.804 0.0323
0.45 234 -0.2948 0.6974 0.0448
0.45 246 -0.8039 0.8802 0.0955
0.55 30 -0.7772 0.8696 0.0927
0.55 42 -0.7771 0.6497 0.0926
0.55 54 -0.4 0.5998 0.0542
0.55 138 0.632 0.928 0.0773
0.55 150 -0.2039 0.8381 0.0378
0.55 210 -0.6325 0.8923 0.0774
0.55 222 -0.0387 0.6759 0.0303
0.55 234 -0.8146 0.5554 0.0967
0.55 246 0.3755 0.5833 0.0519
0.55 258 -0.8948 0.5363 0.1053
0.65 138 0.1257 0.8188 0.0332
0.65 150 0.1119 0.7758 0.0325
0.65 162 0.8183 0.81 0.097
0.65 174 -0.7319 0.9177 0.0878
0.65 210 0.2292 0.8823 0.0396
0.65 222 -0.012 0.6347 0.03
0.65 234 -0.274 0.5509 0.0431
0.65 246 0.9601 0.4843 0.1124
0.65 258 -0.3193 0.509 0.0469
0.75 150 -1.513 0.7314 0.1733
0.75 162 -0.6165 0.7198 0.0757
0.75 174 -0.4066 0.7787 0.0548
0.75 210 0.1411 0.8931 0.034
0.75 222 0.8332 0.6365 0.0986
0.75 234 -1.1633 0.5599 0.1346
0.75 246 0.078 0.4569 0.0313
0.75 258 0.413 0.5427 0.0554
0.75 270 -0.8061 0.8425 0.0957
0.85 222 -0.1742 0.6375 0.0359
0.85 234 -0.1609 0.5649 0.0351
0.85 246 0.1527 0.4669 0.0346
0.85 258 0.01 0.5137 0.03