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Measurement E151M2755

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: 0.0394
Q2: 0.0143 GeV2
W: 1385.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8632

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 42.0 -0.1868 0.2149
0.55 42.0 0.0428 0.2406
0.55 126.0 0.2054 0.2731
0.55 222.0 -0.373 0.2563
0.55 234.0 0.2027 0.2276
0.55 246.0 -0.3348 0.2316
0.65 42.0 -0.2191 0.269
0.65 126.0 -0.0302 0.279
0.65 138.0 -0.109 0.2378
0.65 150.0 -0.2235 0.2279
0.65 162.0 -0.1519 0.274
0.65 210.0 0.0086 0.2578
0.65 222.0 -0.1533 0.2313
0.65 234.0 -0.0413 0.1814
0.65 246.0 -0.0092 0.2185
0.75 138.0 -0.0581 0.2689
0.75 150.0 -0.2531 0.246
0.75 210.0 0.1641 0.215
0.75 222.0 0.3307 0.2011
0.75 234.0 -0.1099 0.1931
0.75 246.0 0.3958 0.2058
0.75 258.0 0.0897 0.2244
0.85 210.0 0.0557 0.2694
0.85 222.0 0.0322 0.2131
0.85 234.0 0.0521 0.1933
0.85 246.0 0.2333 0.2135
0.45 42.0 -0.4647 0.2729
0.55 42.0 0.1852 0.3016
0.55 222.0 -0.7425 0.2517
0.55 234.0 0.3169 0.2724
0.55 246.0 -0.467 0.2563
0.65 126.0 0.7125 0.228
0.65 138.0 0.1574 0.3514
0.65 210.0 0.1111 0.3555
0.65 222.0 -0.3217 0.2414
0.65 234.0 -0.3043 0.2271
0.65 246.0 -0.2754 0.3073
0.75 138.0 -0.3242 0.3871
0.75 150.0 -0.3059 0.3605
0.75 210.0 0.2136 0.4001
0.75 222.0 0.1398 0.342
0.75 234.0 0.3391 0.273
0.75 246.0 0.1666 0.274
0.75 258.0 0.395 0.3471
0.85 210.0 -0.0633 0.368
0.85 222.0 0.3736 0.2253
0.85 234.0 -0.1142 0.272
0.85 246.0 -0.2283 0.3
Created in SINP MSU, CLAS Collaboration