CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2877

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 : 0.0844 GeV2
W : 1565 GeV
ε : 0.5786
Ebeam : 1.3383 GeV
εL: 0.063 

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
0.55 162 -0.1566 0.2688 0.0302
0.65 234 -0.0653 0.2785 0.03
0.75 138 0.2478 0.272 0.0304
0.75 150 0.0833 0.2469 0.03
0.75 234 0.1498 0.2801 0.0301
0.85 234 0.0523 0.2691 0.03
0.55 234 0.1522 0.3912 0.0302
0.65 234 -0.4258 0.2936 0.0312
0.85 234 -0.5712 0.2278 0.0321
0.85 258 -0.4091 0.3187 0.0311