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Measurement E151M3229

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: 0.5481
Q2: 0.2445 GeV2
W: 1355.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9168

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.75 78.0 0.3805 0.2388
0.75 90.0 0.4512 0.2071
0.75 102.0 -0.0273 0.2607
0.75 246.0 0.3878 0.2215
0.75 258.0 0.3839 0.248
0.75 270.0 -0.018 0.2083
0.75 282.0 0.2453 0.2518
0.85 90.0 -0.4563 0.2275
0.85 102.0 0.5889 0.1967
0.85 114.0 0.1558 0.2395
0.85 258.0 0.2827 0.2199
0.85 270.0 -0.1394 0.2347
0.85 282.0 0.072 0.2491
0.85 294.0 0.3646 0.2234
0.95 90.0 0.1581 0.2612
0.95 102.0 -0.2386 0.2357
0.95 282.0 -0.1131 0.2241
0.95 294.0 0.4719 0.2509
0.65 90.0 0.0322 0.2547
0.65 102.0 0.283 0.2465
0.65 258.0 -0.0494 0.2543
0.75 90.0 0.274 0.2355
0.75 102.0 0.2065 0.2247
0.75 246.0 -0.3121 0.2189
0.75 258.0 0.2267 0.2396
0.75 270.0 0.2853 0.2505
0.75 282.0 0.1258 0.2085
0.75 294.0 -0.772 0.168
0.85 90.0 -0.1438 0.2296
0.85 102.0 0.0094 0.2418
0.85 138.0 0.3518 0.2421
0.85 222.0 0.1866 0.2507
0.85 234.0 0.1157 0.2345
0.85 246.0 0.0086 0.2605
0.85 258.0 -0.004 0.2237
0.85 270.0 0.3622 0.2383
0.85 282.0 -0.1208 0.2021
0.85 294.0 -0.0579 0.2098
0.85 306.0 -0.3228 0.2448
0.95 258.0 0.1008 0.2589
0.95 282.0 -0.0704 0.2146
0.95 294.0 0.0609 0.2532
0.95 306.0 -0.1201 0.2621
Created in SINP MSU, CLAS Collaboration