CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2886

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 : 0.0205 GeV2
W : 1595 GeV
ε : 0.5862
Ebeam : 1.3383 GeV
εL: 0.0149 

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
0.45 42 0.1737 0.233 0.0303
0.65 222 0.1785 0.2642 0.0302
0.85 234 0.2505 0.2583 0.0304
0.45 222 -0.3622 0.3801 0.0309
0.55 222 -0.4373 0.2937 0.0312
0.55 234 -0.2567 0.3914 0.0304
0.75 234 0.0372 0.3666 0.03
0.85 138 -0.7409 0.1918 0.0335
0.85 222 0.3301 0.307 0.0307
0.85 234 -0.2724 0.3823 0.0305