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Measurement E151M774

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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 : 0.2915 GeV2
W : 1325 GeV
ε : 0.9145
Ebeam : 2.2596 GeV
εL: 0.6897 

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
0.75 90 -0.0374 1.4599 0.0302
0.75 102 0.1384 1.4871 0.0326
0.75 246 0.578 1.3217 0.0612
0.85 90 1.26 1.5742 0.1201
0.85 282 0.9037 1.4225 0.0886
0.85 294 -0.559 1.2078 0.0597
0.85 306 -1.1286 1.2433 0.1084
0.65 102 -0.636 0.4542 0.0514
0.65 258 0.3062 0.5852 0.0361
0.65 270 0.2211 0.5497 0.0333
0.75 102 -0.5611 0.5193 0.0475
0.85 78 0.6348 0.5915 0.0513
0.85 90 0.7596 0.5933 0.0582
0.85 102 0.4243 0.6605 0.0409
0.85 114 0.578 0.6533 0.0484
0.85 270 -1.0925 0.4491 0.0777
0.85 282 -0.698 0.4711 0.0548
0.85 294 -0.3063 0.4602 0.0361
0.95 258 0.65 0.9629 0.0521
0.95 282 1.4946 0.9636 0.1026