CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M3352

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 : 0.0415 GeV2
W : 1655 GeV
ε : 0.8403
Ebeam : 2.2596 GeV
εL: 0.0341 

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 78 0.2312 0.2511 0.0304
0.45 270 0.1811 0.2366 0.0302
0.55 222 -0.1021 0.26 0.0301
0.55 258 0.1851 0.243 0.0302
0.55 270 0.1781 0.2279 0.0302
0.65 126 -0.151 0.2468 0.0302
0.65 198 0.0291 0.243 0.03
0.65 210 0.1722 0.2569 0.0302
0.75 66 -0.2468 0.2655 0.0304
0.75 210 0.0795 0.2675 0.03
0.75 234 0.0007 0.2682 0.03
0.75 270 0.3521 0.2402 0.0308
0.75 282 0.1177 0.2125 0.0301
0.85 114 -0.2791 0.2418 0.0305
0.85 210 -0.038 0.2194 0.03
0.85 222 -0.1471 0.2501 0.0301
0.35 78 0.2453 0.24 0.0304
0.45 270 -0.0334 0.2627 0.03
0.45 282 -0.3907 0.2207 0.031
0.55 222 0.0163 0.2589 0.03
0.55 258 -0.0702 0.2235 0.03
0.55 270 -0.4294 0.2018 0.0312
0.65 126 -0.1207 0.1893 0.0301
0.65 210 0.0089 0.2353 0.03
0.65 222 -0.0653 0.2544 0.03
0.75 114 -0.1619 0.2515 0.0302
0.75 210 -0.0388 0.2215 0.03
0.75 222 -0.4355 0.2174 0.0312
0.75 270 0.1031 0.2542 0.0301
0.75 282 0.1971 0.2138 0.0303
0.85 102 -0.0971 0.2614 0.0301
0.85 126 0.1476 0.2247 0.0301
0.85 210 0.2834 0.1977 0.0305
0.85 222 0.2677 0.2599 0.0305