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Measurement E151M1386

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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 : 0.0059 GeV2
W : 1445 GeV
ε : 0.6685
Ebeam : 1.0539 GeV
εL: 0.0095 

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
0.45 42 0.3806 0.8239 0.0524
0.45 54 0.3969 0.6828 0.0539
0.45 222 0.0806 0.9138 0.0313
0.55 42 1.1356 0.8505 0.1315
0.55 54 -0.2302 0.7953 0.0397
0.55 222 -0.0503 0.7586 0.0305
0.55 234 -0.5106 0.7646 0.0649
0.55 246 -0.8677 0.8041 0.1024
0.65 222 -1.214 0.6882 0.1402
0.65 234 0.4945 0.8466 0.0633
0.65 246 -0.9991 0.6843 0.1166
0.75 222 -0.4993 0.7768 0.0638
0.75 234 -0.5315 0.6166 0.067
0.75 246 -1.3408 0.653 0.1542
0.85 222 0.0676 0.8259 0.031
0.85 234 -1.2219 0.6516 0.141