CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M1956

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 : 1235 GeV
ε : 0.9666
Ebeam : 2.2596 GeV
εL: 0.7003 

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
0.55 282 0.3713 0.4488 0.0385
0.65 258 -1.2616 0.4676 0.0874
0.65 270 0.4899 0.5281 0.0438
0.65 282 -0.6536 0.4622 0.052
0.75 258 -0.092 0.46 0.0306
0.75 270 0.3447 0.4938 0.0375
0.75 282 -0.1727 0.4705 0.032
0.85 90 0.5093 0.5397 0.0447
0.85 102 0.0416 0.5832 0.0301
0.85 114 -0.4647 0.5049 0.0426
0.85 126 0.3057 0.4755 0.036
0.85 258 0.7828 0.5019 0.0591
0.85 270 -0.7091 0.4637 0.055
0.95 114 -0.5738 0.8445 0.0479
0.95 126 -0.0937 0.9459 0.0306
0.95 138 0.1998 0.8428 0.0327
0.95 150 2.5377 0.764 0.1678
0.45 66 -3.9247 2.4961 0.3619
0.65 270 0.1515 2.2134 0.0331
0.65 282 -1.2881 2.2167 0.1221
0.75 270 -1.2316 1.7626 0.1171
0.75 282 -3.4033 2.2259 0.3142
0.85 90 -1.7835 3.2915 0.1666
0.85 102 -2.4151 3.1825 0.224
0.85 114 3.4317 2.9121 0.3168
0.85 126 -4.9134 3.0332 0.4525
0.85 258 -1.8718 2.7178 0.1746
0.85 270 5.7325 2.5215 0.5277
0.95 102 21.9198 8.1305 2.0147
0.95 114 1.8858 9.6649 0.1759
0.95 126 5.1195 8.6161 0.4714
0.95 138 7.7192 0.7892 -0.4668
0.95 150 3.7592 9.4176 0.3468
0.95 174 0.0002 8.9754 0.03