CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2607

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 : 0.005 GeV2
W : 1445 GeV
ε : 0.6698
Ebeam : 1.0539 GeV
εL: 0.008 

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 54 0.2607 0.2271 0.0304
0.55 42 0.2432 0.2491 0.0304
0.55 54 0.1665 0.2498 0.0302
0.55 222 -0.0413 0.2551 0.03
0.65 234 -0.0852 0.2416 0.03
0.75 234 0.1362 0.2271 0.0301
0.85 222 0.3776 0.2385 0.0309
0.85 234 -0.0307 0.2241 0.03
0.85 246 0.0538 0.283 0.03