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Measurement E151M3607

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: 0.0635
Q2: 0.1205 GeV2
W: 1775.0 GeV
Ebeam: 2.999 GeV
ε: 0.8551

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 126.0 0.1744 0.2496
0.45 270.0 0.2501 0.2678
0.45 282.0 -0.3609 0.2403
0.55 126.0 -0.1092 0.2894
0.55 138.0 0.4929 0.2339
0.55 210.0 -0.4272 0.2245
0.65 114.0 0.0881 0.2301
0.65 126.0 -0.0753 0.2325
0.65 138.0 -0.2069 0.2304
0.65 186.0 0.3715 0.2694
0.65 198.0 -0.3741 0.2535
0.65 210.0 -0.0498 0.2135
0.65 222.0 -0.17 0.2343
0.65 270.0 0.4608 0.2119
0.65 282.0 -0.0956 0.2097
0.65 294.0 -0.2975 0.256
0.75 90.0 -0.0098 0.2772
0.75 102.0 -0.2668 0.2144
0.75 126.0 0.0425 0.2716
0.75 138.0 0.0489 0.2693
0.75 186.0 0.2416 0.2644
0.75 198.0 -0.1001 0.2123
0.75 210.0 0.2392 0.1888
0.75 222.0 -0.1735 0.2293
0.75 234.0 -0.3039 0.2733
0.75 258.0 0.0422 0.2449
0.75 270.0 -0.4271 0.2206
0.75 282.0 -0.3563 0.1688
0.75 294.0 -0.4033 0.2252
0.85 90.0 -0.2277 0.1848
0.85 102.0 -0.0746 0.1771
0.85 114.0 0.0388 0.1731
0.85 126.0 0.2959 0.1905
0.85 174.0 0.2155 0.188
0.85 186.0 0.284 0.1736
0.85 198.0 -0.2744 0.1943
0.85 210.0 -0.1244 0.1705
0.85 222.0 0.4363 0.171
0.85 234.0 -0.0918 0.2055
0.85 246.0 -0.3518 0.2094
0.95 114.0 -0.0252 0.2675
0.95 186.0 0.0309 0.2293
0.95 198.0 0.0745 0.255
0.95 210.0 -0.1406 0.2255
0.95 222.0 0.0951 0.2331
0.95 234.0 -0.2615 0.252
0.95 246.0 0.1849 0.2446
Created in SINP MSU, CLAS Collaboration