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Measurement E151M1876

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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 : 0.0348 GeV2
W : 1595 GeV
ε : 0.8341
Ebeam : 1.9889 GeV
εL: 0.0354 

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 90 0.2073 1.022 0.0325
0.35 66 -0.1225 0.8934 0.0309
0.35 78 2.0367 0.7673 0.127
0.35 90 0.4773 0.9477 0.0417
0.35 270 0.0915 0.9141 0.0305
0.35 282 -0.4092 0.802 0.0389
0.45 18 -1.156 0.8737 0.0762
0.45 66 0.9294 0.9409 0.0638
0.45 78 0.7457 0.7639 0.0542
0.45 126 0.3122 0.9744 0.0355
0.45 138 0.6504 1.0097 0.0495
0.45 246 -0.7281 0.9348 0.0534
0.45 258 -0.8439 0.8155 0.0593
0.45 270 0.0349 0.7095 0.0301
0.45 282 -0.0962 0.714 0.0306
0.45 294 -0.5495 0.8098 0.0448
0.55 78 -0.1965 0.833 0.0323
0.55 90 -0.3442 0.8296 0.0365
0.55 114 -1.188 0.7851 0.078
0.55 126 -0.71 0.8079 0.0524
0.55 138 -1.2125 0.724 0.0794
0.55 150 0.1523 0.9299 0.0314
0.55 210 -0.1609 0.7333 0.0315
0.55 222 -0.7409 0.9431 0.054
0.55 258 -0.2462 0.8123 0.0335
0.55 270 0.1728 0.682 0.0318
0.55 282 1.3146 0.6733 0.0851
0.65 78 -1.9055 0.7979 0.1193
0.65 114 -1.8608 0.7355 0.1167
0.65 126 -0.8796 0.7002 0.0612
0.65 138 -0.1118 0.7985 0.0308
0.65 150 -0.0841 0.9013 0.0304
0.65 198 0.5337 0.8038 0.0441
0.65 210 0.8432 0.6939 0.0593
0.65 222 -0.5229 0.6822 0.0436
0.65 234 -1.4451 0.7928 0.0926
0.65 246 0.6596 0.9061 0.05
0.65 282 0.2297 0.8883 0.0331
0.65 294 2.2766 0.5659 0.1412
0.75 54 0.3391 0.8738 0.0364
0.75 66 0.4679 0.6687 0.0413
0.75 78 -0.3472 0.8137 0.0366
0.75 126 -1.0265 0.8985 0.0691
0.75 138 -0.1383 0.8807 0.0311
0.75 198 -0.5812 0.8585 0.0463
0.75 210 -0.5681 0.643 0.0457
0.75 222 -0.0299 0.6407 0.0301
0.75 234 -0.2729 0.8621 0.0343
0.75 258 -1.8281 0.6672 0.1148
0.75 270 -0.3887 0.5893 0.0381
0.75 282 -0.3052 0.6977 0.0352
0.75 294 -0.1363 0.8059 0.0311
0.85 102 1.9145 0.8138 0.1198
0.85 114 0.3192 0.7278 0.0357
0.85 126 0.6227 0.7487 0.0482
0.85 198 0.4321 0.9292 0.0398
0.85 210 -1.3267 0.719 0.0858
0.85 222 1.0077 0.5705 0.068
0.85 234 -0.4156 0.8161 0.0392
0.85 246 0.0804 0.8989 0.0304