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Measurement E151M1844

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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 : 0.0291 GeV2
W : 1535 GeV
ε : 0.875
Ebeam : 1.9889 GeV
εL: 0.0397 

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
0.35 78 0.0523 0.7923 0.0302
0.35 282 -0.159 0.7163 0.0315
0.45 66 -0.7645 0.9373 0.0552
0.45 78 0.6233 0.7099 0.0482
0.45 90 -0.0331 0.7993 0.0301
0.45 126 1.4229 0.8357 0.0913
0.45 270 -0.1294 0.7252 0.031
0.45 282 0.3379 0.8873 0.0363
0.55 78 -1.1485 0.7607 0.0758
0.55 90 -0.3526 0.8711 0.0368
0.55 114 0.3006 0.793 0.0351
0.55 126 -1.575 0.8525 0.1
0.55 222 -0.4912 0.7904 0.0423
0.55 270 -0.0103 0.6213 0.03
0.55 282 -1.9161 0.6654 0.1199
0.65 114 1.7629 0.7225 0.111
0.65 126 0.8757 0.7194 0.061
0.65 138 -1.2039 0.7285 0.0789
0.65 150 1.1289 0.7618 0.0747
0.65 198 -1.5036 0.7302 0.0959
0.65 210 -0.9657 0.8623 0.0658
0.65 222 0.0514 0.7598 0.0302
0.75 126 -0.2314 0.8044 0.0331
0.75 138 0.7455 0.837 0.0542
0.75 150 -0.0025 0.9252 0.03
0.75 210 -1.4794 0.7559 0.0945
0.75 222 -0.0922 0.7319 0.0305
0.75 234 0.561 0.6576 0.0453
0.75 270 0.2774 0.9238 0.0344
0.75 282 1.165 0.7685 0.0767
0.85 198 -1.3276 0.8441 0.0859
0.85 210 -0.6365 0.7818 0.0489
0.85 222 -0.1001 0.6761 0.0306
0.85 234 -0.9074 0.635 0.0626
0.85 246 -0.0713 0.8708 0.0303