CLAS Physics Database

Measurement E151M2805

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: 0.1741
Q2: 0.1205 GeV2
W: 1445.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7237

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 126.0 -0.0051 0.2586 0.03
0.65 138.0 0.3792 0.2487 0.0309
0.65 150.0 -0.1693 0.2803 0.0302
0.65 234.0 -0.1423 0.2457 0.0301
0.65 246.0 0.1858 0.2034 0.0302
0.65 258.0 0.491 0.2227 0.0316
0.75 114.0 -0.4436 0.2094 0.0313
0.75 126.0 0.0868 0.2001 0.0301
0.75 138.0 0.1716 0.2121 0.0302
0.75 150.0 0.0815 0.2573 0.03
0.75 162.0 0.0214 0.2573 0.03
0.75 210.0 0.255 0.2746 0.0304
0.75 222.0 -0.1943 0.2667 0.0303
0.75 234.0 -0.0298 0.2379 0.03
0.75 246.0 0.3462 0.2135 0.0308
0.75 258.0 -0.1983 0.2601 0.0303
0.75 270.0 -0.4611 0.237 0.0314
0.85 138.0 0.3664 0.2212 0.0309
0.85 234.0 0.072 0.2528 0.03
0.85 246.0 0.1235 0.2265 0.0301
0.85 258.0 -0.0672 0.2154 0.03
0.85 270.0 -0.085 0.2201 0.03
0.95 90.0 -0.359 0.2556 0.0308
0.95 102.0 0.1747 0.2447 0.0302
0.95 114.0 0.2986 0.2545 0.0306
0.95 234.0 0.1198 0.2583 0.0301
0.95 246.0 0.4601 0.2494 0.0314
0.95 258.0 -0.3036 0.2499 0.0306
0.95 282.0 0.3751 0.2505 0.0309
0.55 234.0 -0.4784 0.2847 0.0315
0.65 114.0 -0.0769 0.3683 0.03
0.65 126.0 0.2812 0.3605 0.0305
0.65 150.0 0.0114 0.3632 0.03
0.65 222.0 0.0744 0.3554 0.03
0.65 234.0 -0.3607 0.2583 0.0309
0.65 246.0 0.5777 0.2397 0.0321
0.65 258.0 -0.0877 0.299 0.0301
0.75 126.0 -0.2302 0.3277 0.0304
0.75 138.0 0.5812 0.2533 0.0322
0.75 210.0 -0.3233 0.3392 0.0307
0.75 222.0 -0.1806 0.405 0.0302
0.75 234.0 -0.2801 0.309 0.0305
0.75 246.0 0.2529 0.2647 0.0304
0.75 258.0 0.2259 0.2856 0.0303
0.75 270.0 0.2519 0.3346 0.0304
0.85 126.0 0.0505 0.4 0.03
0.85 150.0 -0.5551 0.3237 0.032
0.85 234.0 -0.5558 0.2481 0.032
0.85 246.0 0.2205 0.311 0.0303
0.85 258.0 -0.0492 0.2979 0.03
0.85 270.0 0.0949 0.3022 0.0301
0.85 282.0 0.0292 0.3845 0.03
0.95 90.0 -0.4362 0.3139 0.0312
0.95 234.0 -0.5152 0.2826 0.0317
0.95 246.0 0.3396 0.3751 0.0308
0.95 258.0 -0.2588 0.3174 0.0304
0.95 270.0 0.0729 0.3017 0.03
0.95 282.0 -0.4726 0.3319 0.0315