CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2809

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 : 0.0084 GeV2
W : 1475 GeV
ε : 0.7778
Ebeam : 1.3383 GeV
εL: 0.0136 

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
0.55 222 -0.7469 0.2209 0.0335
0.55 234 -0.0875 0.2349 0.0301
0.65 222 0.1434 0.2557 0.0301
0.65 234 -0.0113 0.2288 0.0301
0.75 222 -0.3724 0.3079 0.0309
0.75 234 -0.0588 0.2716 0.03