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Measurement E151M3098

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: 0.0354
Q2: 0.0348 GeV2
W: 1595.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8341

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 90.0 -0.1302 0.2854
0.35 66.0 -0.105 0.2535
0.35 78.0 0.3002 0.24
0.35 90.0 -0.2037 0.2682
0.35 270.0 -0.4067 0.2508
0.35 282.0 -0.1059 0.2391
0.45 18.0 -0.4949 0.2435
0.45 66.0 -0.2012 0.2723
0.45 78.0 0.1112 0.2197
0.45 126.0 0.1394 0.2701
0.45 138.0 -0.2742 0.2714
0.45 246.0 0.1393 0.2818
0.45 258.0 0.5812 0.1963
0.45 270.0 0.0057 0.2105
0.45 282.0 -0.137 0.2113
0.45 294.0 -0.2918 0.2393
0.55 78.0 -0.0554 0.2364
0.55 90.0 -0.0593 0.2362
0.55 114.0 -0.4584 0.2116
0.55 126.0 0.1948 0.222
0.55 138.0 -0.2769 0.2075
0.55 150.0 -0.0247 0.2567
0.55 210.0 0.1053 0.2122
0.55 222.0 0.0476 0.2782
0.55 258.0 0.017 0.2421
0.55 270.0 -0.3096 0.1913
0.55 282.0 0.4268 0.201
0.65 78.0 -0.0038 0.2614
0.65 114.0 -0.0899 0.2352
0.65 126.0 -0.2549 0.1981
0.65 138.0 -0.1285 0.225
0.65 150.0 0.1318 0.2524
0.65 198.0 0.1485 0.2324
0.65 210.0 0.1156 0.2055
0.65 222.0 0.2438 0.1938
0.65 234.0 -0.1133 0.2597
0.65 246.0 -0.0914 0.2775
0.65 282.0 -0.1853 0.2688
0.65 294.0 0.4619 0.2069
0.75 54.0 0.1454 0.2542
0.75 66.0 0.5266 0.1727
0.75 78.0 -0.3095 0.2209
0.75 126.0 -0.124 0.2664
0.75 138.0 0.232 0.2473
0.75 198.0 -0.5116 0.2235
0.75 210.0 -0.0062 0.1911
0.75 222.0 0.159 0.1875
0.75 234.0 0.1074 0.2546
0.75 258.0 -0.2627 0.2262
0.75 270.0 0.1267 0.178
0.75 282.0 0.0705 0.2119
0.75 294.0 -0.2979 0.243
0.85 102.0 0.1468 0.2573
0.85 114.0 0.043 0.213
0.85 126.0 0.1385 0.2196
0.85 198.0 0.0138 0.2774
0.85 210.0 0.0623 0.2329
0.85 222.0 -0.1938 0.176
0.85 234.0 -0.0598 0.2515
0.85 246.0 -0.0206 0.2752
Created in SINP MSU, CLAS Collaboration