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Measurement E151M3635

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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 : 0.2445 GeV2
W : 1835 GeV
ε : 0.7945
Ebeam : 2.999 GeV
εL: 0.0917 

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
0.85 90 -0.0263 0.2514 0.03
0.85 102 -0.1191 0.2655 0.0301
0.85 186 -0.014 0.2882 0.03
0.85 198 0.022 0.2464 0.03
0.85 210 -0.0285 0.2413 0.03
0.85 222 -0.221 0.2332 0.0303
0.85 234 -0.2235 0.2549 0.0303
0.95 210 -0.129 0.2666 0.0301
0.95 222 -0.0981 0.2551 0.0301