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Measurement E151M2695

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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: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.2915 GeV2
W : 1265 GeV
ε : 0.7741
Ebeam : 1.3383 GeV
εL: 0.777 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
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
ALU Stat. error Syst. error
0.75 114 0.3047 0.2524 0.0306
0.85 102 0.1429 0.264 0.0301
0.55 270 0.366 0.4308 0.0309
0.85 102 0.0621 0.3706 0.03
0.85 114 -0.4838 0.4067 0.0315
0.85 150 0.6629 0.2187 0.0328
0.85 270 0.3373 0.2985 0.0307
0.85 294 -0.3424 0.3544 0.0308
0.95 138 -0.5457 0.2624 0.0319