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Measurement E151M1697

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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 : 0.0593 GeV2
W : 1235 GeV
ε : 0.9696
Ebeam : 1.9889 GeV
εL: 0.4081 

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 66 0.1404 0.5812 0.0312
0.35 78 0.3412 0.5934 0.0364
0.45 66 0.2429 0.5829 0.0334
0.45 78 -0.0035 0.4384 0.03
0.55 78 0.0739 0.4198 0.0303
0.55 90 0.1108 0.4232 0.0307
0.55 270 -0.1775 0.595 0.0319
0.65 90 -0.007 0.4643 0.03
0.65 258 0.7512 0.3731 0.0545
0.65 270 0.33 0.405 0.0361
0.75 102 -0.9888 0.6675 0.067
0.75 114 -0.4687 0.5445 0.0413
0.75 126 0.5887 0.5161 0.0466
0.75 234 0.6397 0.5318 0.049
0.75 246 0.0351 0.493 0.0301
0.75 258 0.5638 0.3582 0.0455
0.75 270 -0.6357 0.4844 0.0488
0.85 102 0.3461 0.6373 0.0366
0.85 114 -0.6486 0.4526 0.0494
0.85 126 0.1235 0.3944 0.0309
0.85 138 -0.1849 0.4282 0.032
0.85 150 0.5123 0.3895 0.0432
0.85 162 0.4045 0.535 0.0387
0.85 174 -0.357 0.5299 0.037
0.85 186 0.8356 0.4915 0.0589
0.85 198 -0.4457 0.6334 0.0404
0.85 210 -1.339 0.5199 0.0865
0.85 222 0.2263 0.5633 0.033
0.85 234 0.7339 0.4836 0.0536
0.85 246 -0.1542 0.4564 0.0314
0.85 258 0.1011 0.5171 0.0306
0.95 114 0.3063 0.5686 0.0353
0.95 126 0.0737 0.4637 0.0303
0.95 138 -0.0097 0.4552 0.03
0.95 150 0.9223 0.368 0.0634
0.95 162 0.5662 0.4491 0.0456
0.95 174 0.3103 0.4777 0.0354
0.95 186 0.81 0.4767 0.0575
0.95 198 -0.4734 0.5381 0.0415
0.95 210 0.7145 0.4404 0.0527