CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2426

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 : 0.0707 GeV2
W : 1895 GeV
ε : 0.7999
Ebeam : 2.999 GeV
εL: 0.0258 

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
0.75 114 0.9994 0.9979 0.0784
0.75 210 -0.5897 0.9763 0.0522
0.75 282 -1.2046 0.8378 0.0924
0.85 126 -1.3879 1.0249 0.105
0.85 186 -1.7135 0.8608 0.1278
0.85 198 -0.834 0.8728 0.0675
0.85 270 -1.2793 0.833 0.0975