CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M3659

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: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.101 GeV2
W : 1925 GeV
ε : 0.7722
Ebeam : 2.999 GeV
εL: 0.0321 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
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
ALU Stat. error Syst. error
0.75 270 0.0598 0.2638 0.03
0.85 102 0.4145 0.2072 0.0311
0.85 114 0.0481 0.2476 0.03
0.85 126 -0.1889 0.2613 0.0302
0.85 186 0.2971 0.2612 0.0306
0.85 198 -0.0097 0.2734 0.03