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Measurement E151M3061

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: 0.2096
Q2: 0.1715 GeV2
W: 1505.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8405

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 66.0 0.3753 0.2544
0.25 282.0 -0.0089 0.2325
0.35 66.0 0.3155 0.2472
0.35 78.0 -0.0236 0.2566
0.35 282.0 -0.2268 0.2267
0.35 294.0 0.2192 0.2709
0.45 66.0 0.1152 0.2707
0.45 282.0 0.0646 0.234
0.45 294.0 0.4167 0.2275
0.55 102.0 -0.6641 0.1879
0.55 114.0 -0.3009 0.2511
0.55 126.0 -0.2901 0.2614
0.55 246.0 0.151 0.248
0.55 282.0 -0.3287 0.2622
0.65 102.0 0.1189 0.2195
0.65 114.0 -0.0469 0.1922
0.65 126.0 0.022 0.2576
0.65 138.0 -0.2126 0.254
0.65 222.0 0.0905 0.2403
0.65 234.0 -0.119 0.2432
0.65 246.0 -0.3123 0.2676
0.65 294.0 0.047 0.2264
0.65 306.0 0.1617 0.2515
0.75 102.0 0.1751 0.177
0.75 114.0 -0.2111 0.1776
0.75 126.0 0.2578 0.2317
0.75 138.0 -0.1177 0.288
0.75 150.0 0.2078 0.2727
0.75 210.0 0.2036 0.2417
0.75 222.0 -0.8023 0.1385
0.75 234.0 0.1402 0.23
0.75 246.0 -0.278 0.1853
0.75 258.0 0.3589 0.2126
0.85 78.0 0.2173 0.2595
0.85 90.0 -0.1208 0.2594
0.85 102.0 0.0677 0.2607
0.85 114.0 0.3569 0.2404
0.85 126.0 0.1391 0.2549
0.85 138.0 0.0483 0.2161
0.85 198.0 0.0578 0.2431
0.85 210.0 0.0154 0.2338
0.85 222.0 -0.3585 0.214
0.85 234.0 0.1358 0.1987
0.85 246.0 -0.1496 0.1703
0.85 258.0 -0.2933 0.1927
0.85 270.0 -0.123 0.2176
0.95 90.0 -0.1975 0.2559
0.95 222.0 -0.0674 0.2625
0.95 234.0 -0.0965 0.2228
0.95 246.0 -0.1367 0.251
0.95 258.0 0.1663 0.2253
0.95 270.0 -0.5568 0.2208
0.95 282.0 -0.1121 0.2578
Created in SINP MSU, CLAS Collaboration