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Measurement E151M3622

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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 : 1805 GeV
ε : 0.8211
Ebeam : 2.999 GeV
εL: 0.0889 

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
0.85 78 0.0298 0.2827 0.03
0.85 90 -0.2051 0.2415 0.0303
0.85 102 -0.1001 0.2219 0.0301
0.85 114 -0.0544 0.2611 0.03
0.85 186 0.1025 0.249 0.0301
0.85 198 -0.1845 0.2475 0.0302
0.85 210 -0.2446 0.2024 0.0304
0.85 222 -0.0111 0.2267 0.03
0.85 234 -0.3198 0.2482 0.0307
0.95 186 0.1658 0.2786 0.0302
0.95 210 0.262 0.2479 0.0305
0.95 222 -0.1719 0.2489 0.0302
0.95 234 0.1957 0.2694 0.0303