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Measurement E151M3302

Experiment: EG4
Year: 2016

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).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.0574
Q2: 0.0415 GeV2
W: 1535.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9039

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 78.0 0.2437 0.1613
0.55 78.0 -0.3596 0.2302
0.55 114.0 -0.2981 0.234
0.55 126.0 0.66 0.1922
0.55 282.0 -0.039 0.2407
0.65 126.0 0.3748 0.2317
0.65 138.0 0.4524 0.1945
0.65 222.0 -0.0069 0.2325
0.75 114.0 0.0162 0.2646
0.75 138.0 0.3494 0.2279
0.75 210.0 0.1647 0.2631
0.75 234.0 -0.1606 0.2571
0.75 282.0 0.0299 0.2401
0.85 102.0 0.1117 0.2503
0.85 114.0 -0.251 0.231
0.85 222.0 -0.068 0.2283
0.85 234.0 -0.0027 0.2128
0.45 66.0 -0.4243 0.2197
0.45 270.0 0.1332 0.2548
0.45 282.0 0.2201 0.2569
0.55 114.0 0.0127 0.211
0.55 138.0 -0.4242 0.23
0.55 282.0 0.2893 0.202
0.65 126.0 -0.2139 0.2441
0.65 150.0 0.3643 0.2218
0.65 210.0 0.0405 0.2429
0.65 222.0 0.3791 0.2434
0.65 270.0 0.1635 0.2538
0.75 126.0 -0.0034 0.2604
0.75 138.0 0.2714 0.2209
0.75 210.0 0.3285 0.2447
0.75 222.0 0.0001 0.239
0.75 234.0 0.1345 0.236
0.75 282.0 0.1314 0.2592
0.85 102.0 -0.2454 0.2558
0.85 114.0 -0.2244 0.2077
0.85 210.0 0.2221 0.2272
0.85 222.0 -0.1964 0.2217
0.85 234.0 -0.2064 0.2605
Created in SINP MSU, CLAS Collaboration