CLAS Physics Database

Measurement E151M3594

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: 0.0706
Q2: 0.1205 GeV2
W: 1745.0 GeV
Ebeam: 2.999 GeV
ε: 0.8689

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 78.0 0.4328 0.2492
0.35 78.0 -0.2905 0.255
0.35 270.0 0.2553 0.2496
0.35 282.0 -0.3112 0.226
0.45 114.0 -0.1294 0.2642
0.45 270.0 0.044 0.2476
0.55 54.0 -0.3663 0.2461
0.55 102.0 -0.1291 0.2596
0.55 114.0 0.1697 0.2209
0.55 126.0 0.1548 0.2101
0.55 138.0 -0.0629 0.2618
0.55 186.0 0.2765 0.2515
0.55 198.0 -0.1286 0.2661
0.55 210.0 -0.0456 0.2688
0.55 222.0 0.161 0.2513
0.55 270.0 0.0911 0.2526
0.65 54.0 0.3853 0.2092
0.65 114.0 -0.0677 0.1898
0.65 126.0 -0.0233 0.2181
0.65 138.0 0.0146 0.2356
0.65 150.0 -0.279 0.2647
0.65 198.0 0.0834 0.216
0.65 210.0 -0.1769 0.2176
0.65 222.0 0.2371 0.2096
0.65 270.0 0.3614 0.2483
0.65 282.0 -0.4799 0.2015
0.65 294.0 0.0343 0.231
0.75 90.0 0.0138 0.243
0.75 102.0 -0.0026 0.2218
0.75 114.0 -0.1405 0.2297
0.75 126.0 -0.3268 0.2547
0.75 138.0 -0.1742 0.2639
0.75 150.0 -0.4844 0.1953
0.75 174.0 -0.068 0.2646
0.75 198.0 -0.0841 0.2192
0.75 210.0 -0.2609 0.2116
0.75 222.0 0.1349 0.2214
0.75 234.0 -0.1229 0.2024
0.75 246.0 -0.1257 0.2638
0.75 258.0 -0.3085 0.2607
0.75 270.0 0.3313 0.1943
0.75 282.0 0.1504 0.192
0.75 294.0 0.3176 0.2174
0.85 78.0 0.1897 0.2553
0.85 90.0 -0.0061 0.1689
0.85 102.0 -0.0362 0.171
0.85 114.0 -0.1412 0.1714
0.85 126.0 -0.085 0.1954
0.85 138.0 0.4491 0.1999
0.85 162.0 -0.1703 0.2417
0.85 174.0 0.1555 0.1953
0.85 186.0 0.1931 0.1735
0.85 198.0 -0.258 0.1695
0.85 210.0 0.0004 0.1696
0.85 222.0 -0.2006 0.1689
0.85 234.0 0.0464 0.1943
0.85 246.0 0.0329 0.2259
0.85 258.0 -0.3372 0.2551
0.85 270.0 -0.2952 0.2637
0.95 102.0 -0.2772 0.2261
0.95 186.0 -0.3745 0.2165
0.95 198.0 -0.2884 0.2179
0.95 210.0 -0.1089 0.1792
0.95 222.0 -0.2695 0.1917
0.95 234.0 -0.0829 0.221
0.95 246.0 -0.3698 0.221