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Measurement E151M3487

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: 0.454
Q2: 0.4155 GeV2
W: 1475.0 GeV
Ebeam: 2.999 GeV
ε: 0.9081

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.05 54.0 -0.3065 0.25
0.05 66.0 -0.165 0.2695
0.15 66.0 -0.2623 0.2402
0.15 294.0 0.5523 0.2097
0.15 306.0 -0.1803 0.2498
0.25 66.0 -0.0112 0.2543
0.25 282.0 0.614 0.1866
0.35 282.0 0.094 0.2506
0.35 294.0 0.167 0.2373
0.45 78.0 -0.1281 0.2713
0.45 90.0 -0.0501 0.2269
0.45 102.0 -0.5713 0.2035
0.45 282.0 -0.2156 0.2542
0.55 78.0 -0.0723 0.2191
0.55 90.0 0.0995 0.2005
0.55 102.0 0.0332 0.2349
0.55 246.0 -0.2451 0.259
0.55 258.0 0.1284 0.2569
0.65 54.0 0.1027 0.2689
0.65 78.0 -0.1003 0.218
0.65 90.0 0.1962 0.1819
0.65 102.0 -0.2063 0.1939
0.65 114.0 -0.0687 0.214
0.65 126.0 -0.347 0.2451
0.65 234.0 0.0461 0.2709
0.65 246.0 0.3853 0.2582
0.65 258.0 -0.0711 0.2137
0.75 54.0 0.0562 0.2163
0.75 66.0 -0.0222 0.2694
0.75 78.0 -0.1026 0.2076
0.75 90.0 -0.1199 0.1957
0.75 102.0 -0.0322 0.1793
0.75 114.0 -0.2052 0.2008
0.75 126.0 0.2851 0.2519
0.75 222.0 0.4552 0.2413
0.75 234.0 0.073 0.2273
0.75 246.0 0.1442 0.1694
0.75 258.0 -0.0077 0.2039
0.75 270.0 0.025 0.2095
0.75 282.0 -0.2569 0.2298
0.85 54.0 0.2405 0.2165
0.85 66.0 0.1502 0.2158
0.85 90.0 0.1317 0.1964
0.85 102.0 0.2397 0.1951
0.85 114.0 -0.1333 0.2198
0.85 126.0 0.0603 0.2353
0.85 210.0 -0.4458 0.1818
0.85 222.0 -0.0117 0.2342
0.85 234.0 -0.0225 0.2061
0.85 246.0 -0.2408 0.175
0.85 258.0 -0.1021 0.1769
0.85 270.0 -0.1624 0.164
0.85 282.0 -0.3007 0.1802
0.85 294.0 0.024 0.1932
0.85 306.0 -0.1717 0.2078
0.85 318.0 -0.2148 0.2497
0.95 90.0 0.0586 0.2694
0.95 198.0 -0.0606 0.264
0.95 222.0 -0.2462 0.2376
0.95 234.0 0.0336 0.2375
0.95 246.0 0.2456 0.2286
0.95 258.0 0.17 0.2049
0.95 270.0 -0.2514 0.2447
0.95 282.0 -0.343 0.2
0.95 294.0 -0.4576 0.1832
0.95 306.0 -0.0327 0.2014
0.95 318.0 -0.3195 0.204
0.95 330.0 -0.1248 0.1928
Created in SINP MSU, CLAS Collaboration