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Measurement E151M2889

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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 : 0.0348 GeV2
W : 1595 GeV
ε : 0.5722
Ebeam : 1.3383 GeV
εL: 0.0243 

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
0.65 210 -0.8598 0.1855 0.0346
0.65 222 -0.2128 0.3798 0.0303
0.75 222 -0.0033 0.3651 0.03
0.75 234 0.6982 0.2093 0.0331
0.85 222 -0.3958 0.312 0.031
0.85 234 0.166 0.3863 0.0302
0.85 246 -0.0899 0.3312 0.0301
0.65 234 0.177 0.2419 0.0302
0.75 234 0.1199 0.2601 0.0301
0.85 222 0.0062 0.2491 0.03
0.85 234 0.0702 0.2337 0.03