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Measurement E151M3030

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: 0.2443
Q2: 0.1435 GeV2
W: 1445.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8826

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 54.0 0.0266 0.2547
0.25 66.0 0.1378 0.2227
0.25 78.0 -0.3088 0.2685
0.35 66.0 -0.3437 0.2004
0.35 78.0 -0.4459 0.1926
0.35 282.0 0.0565 0.242
0.35 294.0 -0.1351 0.2535
0.35 306.0 0.4892 0.2376
0.45 66.0 0.2173 0.2076
0.45 78.0 0.3017 0.2007
0.45 270.0 -0.0423 0.2806
0.45 282.0 -0.2535 0.2023
0.45 294.0 -0.2188 0.2038
0.55 54.0 -0.0332 0.2702
0.55 78.0 0.5428 0.2252
0.55 102.0 0.2373 0.258
0.55 114.0 -0.0359 0.2472
0.55 270.0 -0.5754 0.236
0.55 282.0 -0.2512 0.2213
0.65 90.0 -0.0804 0.2598
0.65 102.0 0.2694 0.2099
0.65 114.0 0.1271 0.1976
0.65 126.0 0.3402 0.1991
0.65 138.0 -0.127 0.2748
0.65 222.0 -0.3945 0.2224
0.65 234.0 -0.151 0.244
0.65 246.0 0.1027 0.2065
0.65 258.0 0.1905 0.2443
0.65 270.0 -0.168 0.235
0.65 294.0 -0.3636 0.2504
0.65 306.0 -0.1053 0.245
0.75 90.0 -0.0781 0.2687
0.75 102.0 0.1634 0.2067
0.75 114.0 -0.3329 0.1648
0.75 126.0 -0.0651 0.1919
0.75 138.0 -0.1575 0.2393
0.75 150.0 0.0444 0.2423
0.75 210.0 -0.2733 0.231
0.75 222.0 -0.2145 0.2322
0.75 234.0 -0.1257 0.1842
0.75 246.0 -0.3269 0.1675
0.75 258.0 -0.189 0.1832
0.75 270.0 0.0415 0.2757
0.85 78.0 0.2181 0.253
0.85 90.0 -0.3135 0.225
0.85 102.0 0.3029 0.2436
0.85 114.0 0.4008 0.1899
0.85 126.0 -0.1578 0.1995
0.85 138.0 0.2861 0.2006
0.85 150.0 0.1982 0.2691
0.85 210.0 -0.2978 0.2277
0.85 222.0 -0.3582 0.1984
0.85 234.0 -0.2509 0.1934
0.85 246.0 -0.1741 0.1598
0.85 258.0 0.2256 0.1675
0.85 270.0 0.0858 0.1781
0.85 282.0 -0.1305 0.2234
0.95 90.0 0.2858 0.2168
0.95 210.0 0.1509 0.2782
0.95 222.0 0.0476 0.2657
0.95 234.0 0.011 0.1886
0.95 246.0 -0.2146 0.1748
0.95 258.0 -0.029 0.1942
0.95 270.0 0.2017 0.1654
0.95 282.0 0.1358 0.2339
Created in SINP MSU, CLAS Collaboration