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Measurement E151M2660

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: 0.1308
Q2: 0.0171 GeV2
W: 1235.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9489

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 246.0 -0.3205 0.3318
0.55 258.0 -0.2368 0.3038
0.55 270.0 -0.1831 0.3318
0.55 282.0 0.1126 0.3283
0.65 234.0 -0.0907 0.3045
0.65 246.0 0.4694 0.261
0.65 258.0 0.049 0.2531
0.65 270.0 0.143 0.2796
0.75 150.0 0.2909 0.337
0.75 162.0 -0.0634 0.3789
0.75 186.0 0.2627 0.3841
0.75 198.0 -0.69 0.2451
0.75 234.0 -0.2226 0.2448
0.75 246.0 0.0737 0.2697
0.75 258.0 0.1404 0.2678
0.75 270.0 0.3469 0.3214
0.85 138.0 -0.3884 0.35
0.85 150.0 -0.2607 0.3661
0.85 162.0 0.0821 0.3179
0.85 174.0 0.0121 0.3285
0.85 186.0 -0.0764 0.314
0.85 234.0 0.7097 0.2017
0.85 246.0 -0.2127 0.2771
0.85 258.0 -0.7238 0.1824
0.45 270.0 -0.2425 0.2447
0.55 246.0 0.0863 0.2257
0.55 258.0 0.0558 0.1967
0.55 270.0 -0.0922 0.2073
0.55 282.0 0.0766 0.2704
0.65 246.0 -0.2218 0.1827
0.65 258.0 -0.0823 0.1623
0.65 270.0 -0.177 0.1812
0.65 282.0 0.1371 0.2612
0.75 150.0 0.0668 0.2454
0.75 162.0 0.0971 0.2145
0.75 174.0 -0.1631 0.2475
0.75 186.0 0.0537 0.2653
0.75 198.0 -0.3809 0.2505
0.75 210.0 -0.1021 0.2643
0.75 234.0 -0.2052 0.215
0.75 246.0 -0.4214 0.1568
0.75 258.0 0.053 0.1621
0.75 270.0 -0.2671 0.188
0.85 138.0 -0.1875 0.2669
0.85 150.0 0.332 0.2557
0.85 162.0 0.2867 0.2053
0.85 174.0 -0.1867 0.2287
0.85 186.0 0.0289 0.2497
0.85 198.0 -0.0444 0.2633
0.85 234.0 -0.0806 0.2426
0.85 246.0 -0.4958 0.1975
0.85 258.0 0.0257 0.2674
Created in SINP MSU, CLAS Collaboration