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Measurement E151M2859

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: 0.0768
Q2: 0.0844 GeV2
W: 1535.0 GeV
Ebeam: 1.3383 GeV
ε: 0.6289

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 138.0 -0.2922 0.2434 0.0306
0.55 234.0 0.0803 0.2479 0.03
0.65 162.0 -0.221 0.2334 0.0303
0.65 210.0 -0.5141 0.2226 0.0317
0.65 222.0 -0.3762 0.2232 0.0309
0.65 234.0 -0.1988 0.226 0.0303
0.65 246.0 -0.2743 0.2208 0.0305
0.75 150.0 -0.0205 0.2584 0.03
0.75 210.0 0.7697 0.2404 0.0337
0.75 222.0 -0.3685 0.2467 0.0309
0.75 246.0 -0.3012 0.2253 0.0306
0.75 258.0 -0.2564 0.243 0.0304
0.85 234.0 -0.1693 0.269 0.0302
0.85 246.0 -0.3318 0.2338 0.0307
0.85 258.0 -0.1784 0.201 0.0302
0.95 114.0 0.1972 0.266 0.0303
0.95 126.0 0.0159 0.2501 0.03
0.45 246.0 -0.2526 0.3332 0.0304
0.55 222.0 -0.2728 0.3836 0.0305
0.55 234.0 0.0238 0.3604 0.03
0.55 258.0 -0.0692 0.4163 0.03
0.65 150.0 0.267 0.3437 0.0305
0.65 162.0 0.1141 0.3881 0.0301
0.65 210.0 0.5434 0.2754 0.0319
0.65 222.0 -0.5688 0.3327 0.0321
0.65 234.0 0.743 0.2051 0.0335
0.65 246.0 -0.239 0.3081 0.0304
0.75 150.0 0.0143 0.3716 0.03
0.75 222.0 -0.5109 0.2421 0.0317
0.75 246.0 0.4533 0.2801 0.0313
0.75 258.0 -0.5749 0.25 0.0321
0.85 222.0 0.1498 0.4081 0.0301
0.85 234.0 -0.3753 0.3255 0.0309
0.85 246.0 0.7358 0.248 0.0334
0.85 258.0 0.1129 0.2873 0.0301
0.95 234.0 0.0151 0.4026 0.03
Created in SINP MSU, CLAS Collaboration