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Measurement E151M2525

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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 : 0.0023 GeV2
W : 1325 GeV
ε : 0.8482
Ebeam : 1.0539 GeV
εL: 0.0088 

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
0.55 234 0.126 0.2073 0.0301
0.55 246 -0.0494 0.2089 0.03
0.65 234 -0.1989 0.1987 0.0303
0.65 246 0.3907 0.227 0.031
0.65 258 -0.2295 0.2027 0.0303
0.75 222 -0.3624 0.231 0.0309
0.75 234 0.1904 0.2247 0.0302
0.75 246 -0.1595 0.2075 0.0302
0.75 258 0.0899 0.2672 0.0301
0.85 222 -0.1517 0.2332 0.0302
0.85 234 -0.2284 0.2448 0.0303
0.85 246 0.1576 0.2542 0.0302