CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2827

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 : 0.205 GeV2
W : 1475 GeV
ε : 0.6135
Ebeam : 1.3383 GeV
εL: 0.1968 

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
0.65 126 -0.3954 0.3177 0.031
0.65 246 -0.1851 0.3528 0.0302
0.75 234 -0.07 0.2851 0.03
0.75 258 0.1725 0.3453 0.0302
0.85 258 0.4772 0.279 0.0315
0.55 246 0.2506 0.2706 0.0304
0.85 270 -0.323 0.2625 0.0307
0.95 102 0.4306 0.2618 0.0312