CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2542

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 : 1325 GeV
ε : 0.761
Ebeam : 1.0539 GeV
εL: 0.2457 

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 42 -0.3621 0.2114 0.0309
0.45 270 0.1468 0.2534 0.0301
0.55 246 0.0893 0.2038 0.0301
0.55 258 0.2547 0.1713 0.0304
0.55 270 -0.1966 0.1616 0.0303
0.55 282 -0.03 0.2286 0.03
0.65 234 -0.1088 0.1781 0.0301
0.65 246 -0.0902 0.1549 0.0301
0.65 258 0.0961 0.1467 0.0301
0.65 270 0.1551 0.148 0.0302
0.65 282 -0.0014 0.2067 0.03
0.75 126 -0.1805 0.2369 0.0302
0.75 138 -0.0246 0.2352 0.03
0.75 150 0.1271 0.1881 0.0301
0.75 162 0.1514 0.2225 0.0302
0.75 174 -0.0712 0.2483 0.03
0.75 198 0.0518 0.2533 0.03
0.75 234 -0.2523 0.1815 0.0304
0.75 246 0.1876 0.139 0.0302
0.75 258 -0.3756 0.1376 0.0309
0.75 270 -0.381 0.1523 0.031
0.75 282 -0.1479 0.1591 0.0301
0.85 126 0.3831 0.1602 0.031
0.85 138 0.3431 0.1771 0.0308
0.85 150 -0.2867 0.1443 0.0305
0.85 162 0.2504 0.1934 0.0304
0.85 174 0.2184 0.1786 0.0303
0.85 186 -0.0723 0.2146 0.03
0.85 222 -0.4775 0.2341 0.0315
0.85 234 0.0795 0.2188 0.03
0.85 246 -0.0824 0.1798 0.03
0.85 258 0.364 0.1611 0.0309
0.85 270 -0.0339 0.151 0.03
0.85 282 -0.1601 0.1379 0.0302
0.95 102 -0.1622 0.258 0.0302
0.95 114 0.1057 0.2221 0.0301
0.95 126 0.1252 0.2326 0.0301
0.95 138 0.395 0.2079 0.031
0.95 150 0.1495 0.2481 0.0301
0.95 174 -0.0239 0.2294 0.03
0.95 246 0.1819 0.2319 0.0302
0.95 258 -0.087 0.2238 0.0301
0.95 270 0.027 0.2028 0.03