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Measurement E151M2803

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: 0.134
Q2: 0.0844 GeV2
W: 1445.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7524

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 138.0 0.3716 0.2234
0.55 234.0 -0.1093 0.1807
0.55 246.0 0.3916 0.1461
0.65 126.0 -0.0341 0.2387
0.65 138.0 0.1076 0.2511
0.65 150.0 0.3633 0.2149
0.65 162.0 0.1246 0.2579
0.65 222.0 0.1383 0.2481
0.65 234.0 0.0284 0.219
0.65 246.0 -0.2293 0.2085
0.65 258.0 -0.0063 0.2399
0.75 114.0 0.111 0.2224
0.75 126.0 0.043 0.2486
0.75 138.0 0.3484 0.2012
0.75 150.0 -0.3186 0.2432
0.75 222.0 0.0444 0.2511
0.75 234.0 -0.1616 0.2162
0.75 246.0 -0.2262 0.2559
0.75 258.0 0.2497 0.2018
0.75 270.0 -0.0276 0.2591
0.85 114.0 0.0746 0.2294
0.85 126.0 0.1243 0.2656
0.85 138.0 0.1057 0.223
0.85 150.0 0.0987 0.2631
0.85 222.0 -0.0151 0.252
0.85 234.0 0.2247 0.2032
0.85 246.0 -0.0345 0.2047
0.85 258.0 0.0761 0.1908
0.85 270.0 -0.1883 0.1952
0.95 102.0 0.297 0.2401
0.95 234.0 -0.2465 0.2282
0.95 246.0 0.029 0.2315
0.95 258.0 0.0748 0.2152
0.95 270.0 -0.3268 0.2077
0.95 282.0 -0.2366 0.2641
0.55 258.0 -0.208 0.2887
0.65 126.0 -0.2754 0.2823
0.65 138.0 -0.0066 0.3422
0.65 222.0 -0.0204 0.3222
0.65 234.0 0.4114 0.2507
0.65 246.0 -0.1207 0.273
0.65 258.0 0.2128 0.2925
0.75 114.0 -0.2608 0.3531
0.75 126.0 -0.116 0.3108
0.75 138.0 -0.3373 0.3108
0.75 162.0 -0.223 0.3538
0.75 222.0 0.5225 0.303
0.75 234.0 0.2876 0.2686
0.75 246.0 -0.3916 0.2861
0.75 258.0 -0.2036 0.2844
0.75 270.0 -0.4006 0.3352
0.85 138.0 0.1446 0.3435
0.85 222.0 0.0596 0.3248
0.85 234.0 0.3724 0.2447
0.85 246.0 -0.0828 0.2676
0.85 258.0 0.0459 0.272
0.85 270.0 -0.2539 0.2693
0.95 102.0 -0.4996 0.3101
0.95 114.0 0.7703 0.1925
0.95 234.0 0.7046 0.1762
0.95 246.0 0.2849 0.3201
0.95 258.0 0.04 0.3066
0.95 270.0 0.8512 0.1876
Created in SINP MSU, CLAS Collaboration