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Measurement E151M3220

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: 0.1657
Q2: 0.0496 GeV2
W: 1355.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9585

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 66.0 -0.0179 0.2229
0.35 78.0 0.1068 0.1723
0.45 78.0 0.0675 0.2463
0.45 294.0 -0.3842 0.2287
0.55 78.0 -0.0371 0.2447
0.65 78.0 0.2862 0.2523
0.65 114.0 0.5822 0.2305
0.65 246.0 -0.1174 0.2046
0.65 258.0 -0.2993 0.2267
0.75 102.0 0.1464 0.2671
0.75 114.0 -0.2388 0.2246
0.75 126.0 -0.7255 0.1727
0.75 138.0 0.0369 0.2515
0.75 150.0 0.3412 0.2365
0.75 222.0 -0.4397 0.2284
0.75 234.0 0.0645 0.2089
0.75 246.0 -0.3826 0.1808
0.75 258.0 0.0388 0.2131
0.75 270.0 -0.1006 0.2531
0.85 114.0 -0.1292 0.2282
0.85 126.0 0.0662 0.2098
0.85 138.0 -0.2538 0.247
0.85 222.0 0.3282 0.247
0.85 234.0 -0.4245 0.188
0.85 246.0 0.2917 0.2035
0.85 258.0 -0.1238 0.1854
0.85 270.0 0.0999 0.2583
0.95 234.0 0.1362 0.265
0.35 294.0 0.0203 0.2459
0.45 66.0 0.4114 0.2132
0.45 78.0 -0.1963 0.2401
0.45 282.0 0.2226 0.2603
0.65 114.0 0.1954 0.2381
0.65 126.0 0.1276 0.2528
0.65 246.0 -0.1361 0.1973
0.65 258.0 -0.5613 0.2178
0.75 102.0 0.2249 0.2157
0.75 114.0 0.0187 0.2264
0.75 126.0 -0.2744 0.2095
0.75 138.0 -0.0664 0.2403
0.75 234.0 0.0212 0.208
0.75 246.0 -0.1185 0.1701
0.75 258.0 0.1544 0.2322
0.85 114.0 0.2463 0.2238
0.85 126.0 0.3604 0.2197
0.85 138.0 -0.0357 0.2383
0.85 150.0 0.4284 0.2053
0.85 234.0 -0.397 0.2061
0.85 246.0 0.151 0.1897
0.85 258.0 0.2454 0.1602
0.85 270.0 -0.1198 0.2251
Created in SINP MSU, CLAS Collaboration