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Measurement E151M3340

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: 0.0457
Q2: 0.0496 GeV2
W: 1625.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8561

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 78.0 0.2661 0.2483
0.45 102.0 0.1951 0.2658
0.45 258.0 -0.1893 0.2547
0.45 270.0 0.0171 0.2407
0.55 258.0 -0.2526 0.2467
0.55 270.0 0.0236 0.216
0.65 114.0 0.6545 0.1764
0.65 126.0 0.3141 0.2454
0.65 138.0 0.182 0.2609
0.65 210.0 0.2549 0.2411
0.65 282.0 0.105 0.2603
0.75 126.0 -0.536 0.2159
0.75 198.0 0.4132 0.244
0.75 210.0 0.0557 0.2528
0.75 222.0 -0.0187 0.2458
0.75 270.0 0.4922 0.1763
0.75 282.0 0.0817 0.1912
0.85 90.0 0.0502 0.2563
0.85 102.0 -0.0815 0.2503
0.85 114.0 -0.3746 0.196
0.85 126.0 -0.3309 0.2379
0.85 198.0 0.0816 0.2414
0.85 222.0 -0.2848 0.2099
0.85 246.0 -0.0472 0.2621
0.35 78.0 -0.142 0.2324
0.45 126.0 0.3638 0.2497
0.45 270.0 0.2859 0.2497
0.55 138.0 0.2251 0.2497
0.55 246.0 0.1507 0.258
0.55 258.0 -0.357 0.2287
0.55 270.0 -0.091 0.2252
0.55 282.0 -0.2031 0.2518
0.65 78.0 -0.1274 0.2525
0.65 114.0 0.1435 0.2244
0.65 126.0 0.1385 0.1954
0.65 198.0 0.0234 0.2666
0.65 210.0 0.5625 0.1806
0.65 222.0 0.1464 0.2472
0.65 282.0 -0.1636 0.2445
0.65 294.0 0.2729 0.2417
0.75 66.0 -0.0736 0.2157
0.75 210.0 0.0777 0.2547
0.75 222.0 0.2386 0.2238
0.75 270.0 -0.1382 0.2388
0.75 282.0 0.0889 0.2436
0.75 294.0 -0.2177 0.243
0.85 102.0 -0.076 0.2174
0.85 114.0 0.0488 0.2299
0.85 198.0 0.1812 0.237
0.85 210.0 0.198 0.2007
0.85 270.0 -0.0979 0.2489
Created in SINP MSU, CLAS Collaboration