CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2983

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 : 0.1435 GeV2
W : 1355 GeV
ε : 0.9189
Ebeam : 1.9889 GeV
εL: 0.3844 

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
0.25 66 -0.0096 0.228 0.03
0.25 294 -0.0568 0.2173 0.03
0.35 66 0.3588 0.249 0.0308
0.35 78 -0.4699 0.196 0.0314
0.45 78 0.0535 0.198 0.03
0.45 294 -0.3261 0.2267 0.0307
0.55 66 0.6399 0.1652 0.0326
0.55 78 -0.1049 0.255 0.0301
0.55 282 -0.0173 0.2626 0.03
0.65 90 0.1096 0.2571 0.0301
0.65 102 0.4578 0.1989 0.0314
0.65 114 -0.2606 0.2105 0.0304
0.65 246 0.4349 0.2482 0.0312
0.65 258 0.1776 0.2044 0.0302
0.65 270 -0.2524 0.1834 0.0304
0.65 282 0.0543 0.2959 0.03
0.75 90 -0.0538 0.2095 0.03
0.75 102 -0.0451 0.1586 0.03
0.75 114 0.0254 0.177 0.03
0.75 126 0.0895 0.2097 0.0301
0.75 138 0.005 0.2437 0.03
0.75 222 -0.0936 0.2483 0.0301
0.75 234 -0.2055 0.2312 0.0303
0.75 246 -0.0769 0.177 0.03
0.75 258 -0.2888 0.1659 0.0306
0.75 270 -0.2579 0.1862 0.0304
0.75 282 -0.4981 0.2757 0.0316
0.75 294 0.1391 0.2668 0.0301
0.85 90 0.2405 0.1954 0.0304
0.85 102 0.0272 0.1637 0.03
0.85 114 -0.4427 0.1611 0.0313
0.85 126 0.0156 0.1639 0.03
0.85 138 0.099 0.1976 0.0301
0.85 150 -0.0883 0.2566 0.0301
0.85 162 -0.1636 0.2909 0.0302
0.85 222 -0.3974 0.1786 0.031
0.85 234 -0.4344 0.1778 0.0312
0.85 246 0.0104 0.1889 0.03
0.85 258 -0.2387 0.1873 0.0304
0.85 270 -0.1349 0.1522 0.0301
0.85 282 -0.2821 0.149 0.0305
0.85 294 0.0619 0.2424 0.03
0.95 78 -0.0157 0.2622 0.03
0.95 102 -0.0814 0.2587 0.03
0.95 114 -0.4311 0.2068 0.0312
0.95 126 -0.2563 0.2119 0.0304
0.95 138 0.4133 0.2191 0.0311
0.95 150 -0.6073 0.2031 0.0324
0.95 222 0.0107 0.2264 0.03
0.95 234 -0.3115 0.2418 0.0306
0.95 246 -0.0485 0.2056 0.03
0.95 258 -0.2863 0.1876 0.0305
0.95 270 0.1178 0.1934 0.0301
0.95 282 0.3653 0.1711 0.0309