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Measurement E151M3403

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: 0.6625
Q2: 0.1435 GeV2
W: 1265.0 GeV
Ebeam: 2.999 GeV
ε: 0.9771

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.25 66.0 0.0596 0.2689 0.03
0.35 66.0 -0.0821 0.2337 0.03
0.35 78.0 0.1271 0.2561 0.0301
0.45 282.0 0.0137 0.312 0.03
0.55 270.0 0.1037 0.2026 0.0301
0.55 282.0 -0.2579 0.2081 0.0304
0.55 294.0 0.2509 0.2535 0.0304
0.65 258.0 0.4752 0.2135 0.0315
0.65 270.0 0.5308 0.196 0.0318
0.65 282.0 -0.277 0.1638 0.0305
0.65 294.0 -0.1713 0.2439 0.0302
0.75 78.0 -0.017 0.2754 0.03
0.75 90.0 0.5555 0.1988 0.032
0.75 102.0 -0.4329 0.2201 0.0312
0.75 258.0 -0.3054 0.2079 0.0306
0.75 270.0 -0.0112 0.1944 0.03
0.75 282.0 -0.2602 0.1904 0.0304
0.75 294.0 -0.0155 0.2006 0.03
0.85 78.0 0.1653 0.2046 0.0302
0.85 90.0 0.1785 0.2033 0.0302
0.85 102.0 0.2041 0.1662 0.0303
0.85 114.0 -0.277 0.189 0.0305
0.85 126.0 -0.4177 0.2337 0.0311
0.85 246.0 0.0937 0.2259 0.0301
0.85 258.0 -0.031 0.2298 0.03
0.85 270.0 -0.0712 0.1918 0.03
0.85 282.0 -0.1242 0.2107 0.0301
0.85 294.0 0.2807 0.223 0.0305
0.95 78.0 -0.1492 0.2274 0.0301
0.95 90.0 0.0157 0.1966 0.03
0.95 102.0 0.3239 0.2167 0.0307
0.95 114.0 0.0103 0.2 0.03
0.95 126.0 -0.1091 0.1958 0.0301
0.95 138.0 0.0757 0.2326 0.03
0.95 246.0 -0.0654 0.2813 0.03
0.95 258.0 -0.0266 0.2097 0.03
Created in SINP MSU, CLAS Collaboration