CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M1867

You are not logged in.

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 : 0.1205 GeV2
W : 1565 GeV
ε : 0.821
Ebeam : 1.9889 GeV
εL: 0.1221 

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
0.35 66 0.6042 0.9563 0.0473
0.35 270 -1.3787 0.8917 0.0888
0.45 282 -0.6726 0.7759 0.0506
0.55 138 1.0754 0.8984 0.0717
0.55 222 0.4416 0.8523 0.0402
0.55 234 -0.728 0.9374 0.0533
0.65 114 1.4982 0.7478 0.0956
0.65 126 -2.1416 0.6876 0.1332
0.65 138 2.12 0.7769 0.1319
0.65 210 -0.1856 0.9603 0.032
0.65 222 1.669 0.8351 0.1055
0.65 234 -1.6013 0.8683 0.1016
0.75 114 -0.469 0.7145 0.0413
0.75 126 -0.6495 0.7597 0.0495
0.75 138 0.8921 0.8966 0.0618
0.75 198 -1.6639 0.7897 0.1052
0.75 210 0.614 0.6865 0.0478
0.75 222 -0.0676 0.7902 0.0303
0.75 234 0.4866 0.6867 0.0421
0.75 246 -1.5267 0.7085 0.0973
0.75 282 -1.2824 0.8549 0.0833
0.85 90 0.6356 0.7863 0.0488
0.85 102 -0.2061 0.9259 0.0325
0.85 138 -1.0527 0.7813 0.0705
0.85 210 0.3194 0.7902 0.0357
0.85 222 0.5977 0.6581 0.047
0.85 234 1.3825 0.5987 0.089
0.85 246 -0.1183 0.6755 0.0308
0.95 102 0.4463 0.7962 0.0404
0.95 210 0.4636 0.8285 0.0411
0.95 234 -0.2395 0.7618 0.0333
0.95 246 0.5218 0.7195 0.0436