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Measurement E151M2049

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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 : 0.2915 GeV2
W : 1445 GeV
ε : 0.8741
Ebeam : 2.2596 GeV
εL: 0.3993 

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
0.75 90 3.2231 3.2231 0.2977
0.95 306 5.8042 3.1229 0.5343
0.65 114 0.2954 0.8277 0.0356
0.75 90 1.241 0.7218 0.0861
0.75 270 -1.3273 0.6862 0.0914
0.85 222 0.4757 0.9578 0.0431
0.85 234 0.1373 0.8648 0.0313
0.85 258 0.1081 0.8309 0.0308
0.85 282 0.0137 0.8401 0.03
0.95 294 0.0886 1.3043 0.0305