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Measurement E151M944

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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 : 0.348 GeV2
W : 1205 GeV
ε : 0.962
Ebeam : 2.999 GeV
εL: 1.394 

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
0.35 294 0.3906 0.6868 0.0414
0.45 294 0.3842 0.6964 0.0411
0.55 282 0.8084 0.6631 0.0663
0.55 294 0.158 0.5368 0.0321
0.65 270 -0.3578 0.5458 0.0398
0.65 282 0.476 0.6429 0.0459
0.65 294 -0.3212 0.4222 0.0381
0.75 66 0.0762 0.6025 0.0305
0.75 78 0.2903 0.6019 0.0367
0.75 90 -0.1669 0.5528 0.0324
0.75 270 2.3544 2.3544 0.1747
0.75 282 0.6926 0.6216 0.0588
0.75 294 0.2302 0.5089 0.0344
0.85 54 0.146 0.6625 0.0318
0.85 66 -0.6423 0.3957 0.0557
0.85 78 -0.3373 0.427 0.0388
0.85 90 0.3415 0.5884 0.039
0.85 102 0.0893 0.5918 0.0307
0.85 306 -0.4557 0.5548 0.0448
0.95 42 0.3577 0.5664 0.0398
0.95 54 -0.4554 0.5104 0.0448
0.95 102 0.3576 0.592 0.0398