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Measurement E151M1827

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

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).

No publications available for this experiment

Quantity measured: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.2915 GeV2
W : 1475 GeV
ε : 0.8139
Ebeam : 1.9889 GeV
εL: 0.3319 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ+) φ(π+),
degrees
ALL Stat. error Syst. error
0.45 282 0.1402 0.8456 0.0312
0.55 114 -1.1966 0.7829 0.0785
0.65 90 -0.5418 0.8738 0.0445
0.65 102 1.1562 0.6928 0.0762
0.65 114 0.9727 0.8662 0.0661
0.65 246 -1.5665 0.7163 0.0995
0.65 258 -0.5987 0.7261 0.0471
0.75 90 -1.7502 0.7805 0.1102
0.75 102 1.8015 0.6862 0.1132
0.75 114 0.8335 0.7818 0.0587
0.75 126 0.4238 0.8516 0.0395
0.75 246 0.0938 0.8364 0.0305
0.75 258 -1.0137 0.6865 0.0684
0.75 270 1.3095 0.6588 0.0848
0.85 114 -0.6525 0.7081 0.0496
0.85 234 0.4512 0.7123 0.0406
0.85 246 0.4431 0.6288 0.0403
0.85 258 -0.1497 0.6893 0.0313
0.85 270 -0.5979 0.7289 0.047
0.85 282 -0.4006 0.747 0.0386
0.95 246 -0.9095 0.6237 0.0627
0.95 258 0.4216 0.6144 0.0394
0.95 270 0.5095 0.6773 0.043
0.95 282 0.2588 0.6084 0.0339
0.95 294 0.5422 0.6889 0.0445