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Measurement E151M1854

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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 : 0.1715 GeV2
W : 1535 GeV
ε : 0.8214
Ebeam : 1.9889 GeV
εL: 0.1828 

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
0.25 66 -0.5571 0.859 0.0452
0.35 294 -0.1772 0.9023 0.0319
0.45 282 1.1798 0.794 0.0775
0.55 114 -1.0946 0.9142 0.0728
0.55 270 0.1679 0.901 0.0317
0.55 282 0.4182 0.7688 0.0393
0.65 114 0.0586 0.6854 0.0302
0.65 126 -0.4256 0.9044 0.0396
0.65 222 -0.6397 0.6374 0.049
0.65 234 -0.0525 0.7169 0.0302
0.65 246 -1.0941 0.7393 0.0728
0.65 294 -1.5393 0.6755 0.098
0.75 102 1.7156 0.6464 0.1082
0.75 114 0.0514 0.7211 0.0302
0.75 126 -0.1196 0.805 0.0309
0.75 138 0.4335 0.8123 0.0399
0.75 210 -0.0804 0.8042 0.0304
0.75 222 -0.0609 0.8517 0.0302
0.75 234 0.0157 0.6669 0.03
0.75 246 1.2123 0.5836 0.0793
0.75 258 -0.4752 0.6835 0.0416
0.85 78 0.6301 0.8727 0.0486
0.85 90 0.3271 0.7106 0.036
0.85 114 0.1929 0.9018 0.0322
0.85 138 0.0088 0.803 0.03
0.85 210 0.4279 0.7422 0.0397
0.85 222 -0.1938 0.6539 0.0322
0.85 234 -0.3014 0.5741 0.0351
0.85 246 -0.4195 0.7494 0.0393
0.85 258 0.1982 0.5998 0.0323
0.95 90 -0.2161 0.7369 0.0327
0.95 198 1.5901 0.6811 0.1009
0.95 222 -0.036 0.8208 0.0301
0.95 246 0.052 0.6118 0.0302
0.95 258 0.5722 0.6171 0.0459
0.95 270 -0.2479 0.6003 0.0335