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Measurement E151M3345

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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 : 0.1205 GeV2
W : 1625 GeV
ε : 0.8333
Ebeam : 2.2596 GeV
εL: 0.1 

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
0.65 126 -0.3167 0.2408 0.0307
0.75 210 -0.0899 0.2598 0.0301
0.75 234 0.1763 0.2506 0.0302
0.85 90 0.1912 0.2291 0.0302
0.85 102 -0.1175 0.259 0.0301
0.85 222 -0.0932 0.2152 0.0301
0.85 234 0.0568 0.254 0.03
0.65 234 -0.15 0.263 0.0301
0.65 294 0.2483 0.2544 0.0304
0.75 126 -0.0163 0.2648 0.03
0.75 294 -0.0362 0.2498 0.03
0.85 102 0.1228 0.2581 0.0301
0.85 222 -0.2558 0.199 0.0304