CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M3388

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 : 0.348 GeV2
W : 1205 GeV
ε : 0.962
Ebeam : 2.999 GeV
εL: 1.394 

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
0.35 294 -0.0572 0.276 0.03
0.45 294 0.2799 0.267 0.0305
0.55 282 -0.3852 0.237 0.031
0.55 294 0.0848 0.2263 0.03
0.65 270 -0.2495 0.2574 0.0304
0.65 282 -0.4947 0.2144 0.0316
0.65 294 -0.3025 0.1877 0.0306
0.75 66 -0.3316 0.2352 0.0307
0.75 78 -0.1186 0.2364 0.0301
0.75 90 0.1654 0.2305 0.0302
0.75 270 0.0308 0.2504 0.03
0.75 282 -0.3046 0.233 0.0306
0.75 294 0.1728 0.206 0.0302
0.85 54 -0.0189 0.2782 0.03
0.85 66 -0.034 0.198 0.03
0.85 78 0.4142 0.1798 0.0311
0.85 90 0.1182 0.2326 0.0301
0.85 102 -0.2106 0.2296 0.0303
0.85 306 -0.021 0.2793 0.03
0.95 42 0.1474 0.2398 0.0301
0.95 54 0.1132 0.2616 0.0301
0.95 102 -0.2945 0.2278 0.0306