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Measurement E151M2541

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: 0.216
Q2: 0.0707 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7757

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 30.0 0.0742 0.2141
0.35 42.0 -0.0039 0.2107
0.45 42.0 -0.7043 0.18
0.45 270.0 -0.0548 0.2214
0.55 234.0 -0.1378 0.2591
0.55 246.0 0.1252 0.1958
0.55 258.0 0.0008 0.1587
0.55 270.0 -0.1257 0.1809
0.65 138.0 0.3337 0.2514
0.65 234.0 -0.0736 0.2048
0.65 246.0 -0.1642 0.1498
0.65 258.0 0.1381 0.15
0.65 270.0 0.111 0.1519
0.75 126.0 0.304 0.2148
0.75 138.0 -0.3597 0.1796
0.75 150.0 0.2998 0.1634
0.75 162.0 -0.097 0.1971
0.75 174.0 -0.2331 0.248
0.75 186.0 0.2007 0.2224
0.75 234.0 -0.0888 0.1743
0.75 246.0 -0.135 0.1469
0.75 258.0 0.1529 0.153
0.75 270.0 0.0126 0.1384
0.75 282.0 -0.3032 0.176
0.85 126.0 0.0416 0.1889
0.85 138.0 0.166 0.1488
0.85 150.0 0.1995 0.1777
0.85 162.0 -0.0214 0.1968
0.85 174.0 0.0232 0.1792
0.85 186.0 0.1799 0.2496
0.85 198.0 -0.1778 0.2389
0.85 234.0 -0.2668 0.1744
0.85 246.0 -0.0875 0.1479
0.85 258.0 -0.0086 0.146
0.85 270.0 0.0598 0.1469
0.85 282.0 0.1522 0.1794
0.85 294.0 -0.0344 0.2511
0.95 102.0 -0.2288 0.2205
0.95 114.0 0.7015 0.1649
0.95 126.0 0.1684 0.231
0.95 138.0 -0.0481 0.2336
0.95 150.0 -0.0037 0.2172
0.95 162.0 0.188 0.246
0.95 174.0 -0.2787 0.2413
0.95 270.0 0.0023 0.2191
Created in SINP MSU, CLAS Collaboration