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Measurement E151M3271

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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 : 1445 GeV
ε : 0.8741
Ebeam : 2.2596 GeV
εL: 0.3993 

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 90 0.0808 0.2495 0.03
0.95 306 -0.1751 0.2637 0.0302
0.65 114 0.2066 0.2561 0.0303
0.75 90 0.2162 0.2464 0.0303
0.75 270 -0.0453 0.2433 0.03
0.85 222 0.0261 0.2522 0.03
0.85 234 -0.1351 0.2313 0.0301
0.85 258 -0.1509 0.2274 0.0302
0.85 282 -0.0915 0.2442 0.0301
0.95 294 -0.0183 0.2613 0.03