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Measurement E151M2674

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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 : 0.205 GeV2
W : 1235 GeV
ε : 0.8468
Ebeam : 1.3383 GeV
εL: 0.8465 

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
0.65 282 -0.2196 0.2409 0.0303
0.75 282 -0.2609 0.271 0.0305
0.85 102 0.1836 0.2723 0.0302
0.95 102 0.2482 0.2623 0.0304
0.65 294 -0.3858 0.3338 0.031
0.75 282 -0.1314 0.3711 0.0301
0.85 102 -0.2536 0.3049 0.0304