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Measurement E151M3283

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: 0.2839
Q2: 0.205 GeV2
W: 1475.0 GeV
Ebeam: 2.2596 GeV
ε: 0.885

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 294.0 0.1515 0.2599
0.65 102.0 -0.0547 0.2553
0.65 114.0 0.2441 0.2357
0.65 126.0 0.0509 0.2515
0.65 246.0 -0.3683 0.227
0.75 90.0 -0.2635 0.2333
0.75 102.0 0.4306 0.2158
0.75 234.0 -0.1438 0.2668
0.75 246.0 -0.1819 0.2336
0.85 90.0 0.2327 0.2522
0.85 114.0 0.2095 0.2179
0.85 222.0 -0.045 0.2347
0.85 246.0 0.2175 0.2046
0.85 258.0 -0.0979 0.1979
0.85 270.0 -0.4349 0.2327
0.95 246.0 -0.0457 0.2342
0.95 270.0 0.0588 0.2351
0.95 294.0 -0.0528 0.2613
0.25 282.0 -0.3592 0.2412
0.35 282.0 0.1729 0.2475
0.45 294.0 0.1204 0.2586
0.55 114.0 0.379 0.2371
0.65 90.0 0.1147 0.2416
0.65 102.0 -0.0981 0.2289
0.65 246.0 0.0738 0.2649
0.75 90.0 -0.2572 0.211
0.75 102.0 0.4848 0.225
0.75 114.0 -0.2239 0.2218
0.75 234.0 -0.4858 0.2044
0.75 258.0 -0.1409 0.2265
0.85 66.0 -0.1828 0.2427
0.85 78.0 0.507 0.2089
0.85 114.0 0.0461 0.2293
0.85 126.0 0.4305 0.2138
0.85 222.0 -0.1317 0.2436
0.85 234.0 0.184 0.2429
0.85 246.0 0.3402 0.2317
0.85 258.0 -0.2125 0.2144
0.95 78.0 -0.3308 0.2407
0.95 222.0 0.218 0.2545
0.95 258.0 -0.0314 0.2385
0.95 270.0 0.4819 0.2388
0.95 282.0 -0.2067 0.2298
0.95 294.0 0.0132 0.2116
Created in SINP MSU, CLAS Collaboration