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Measurement E151M3017

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: 0.3982
Q2: 0.2445 GeV2
W: 1415.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8633

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 66.0 -0.0305 0.2705
0.35 294.0 -0.3552 0.2358
0.55 102.0 0.6352 0.21
0.65 90.0 -0.1677 0.2589
0.65 102.0 -0.0687 0.2222
0.65 114.0 0.1669 0.2521
0.65 246.0 -0.0556 0.2632
0.65 270.0 0.0878 0.2214
0.75 90.0 0.2206 0.2332
0.75 102.0 0.1645 0.2642
0.75 114.0 -0.1629 0.234
0.75 126.0 0.1646 0.2623
0.75 138.0 0.2357 0.2795
0.75 234.0 -0.5522 0.2021
0.75 246.0 -0.2163 0.2158
0.75 258.0 -0.0738 0.2186
0.75 270.0 0.4032 0.217
0.75 282.0 -0.1505 0.2551
0.85 66.0 -0.0719 0.2592
0.85 90.0 -0.2662 0.2787
0.85 102.0 -0.178 0.2141
0.85 114.0 0.105 0.2198
0.85 126.0 0.195 0.2425
0.85 138.0 0.0155 0.243
0.85 222.0 -0.1676 0.277
0.85 234.0 0.1088 0.2224
0.85 246.0 -0.2804 0.2161
0.85 258.0 -0.0297 0.2191
0.85 270.0 0.0123 0.2291
0.85 282.0 -0.1777 0.2092
0.85 294.0 -0.3629 0.2231
0.95 66.0 0.2465 0.2518
0.95 234.0 -0.2954 0.229
0.95 246.0 -0.1796 0.2571
0.95 258.0 -0.4451 0.207
0.95 282.0 -0.1695 0.2179
0.95 294.0 -0.1169 0.2341
Created in SINP MSU, CLAS Collaboration