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Measurement E151M2767

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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 : 0.1205 GeV2
W : 1385 GeV
ε : 0.7885
Ebeam : 1.3383 GeV
εL: 0.2494 

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
0.55 258 -0.2241 0.3584 0.0303
0.65 126 -0.2637 0.348 0.0305
0.65 138 -0.2303 0.3958 0.0304
0.65 234 -0.169 0.3973 0.0302
0.65 246 -0.4577 0.291 0.0314
0.65 258 -0.2876 0.2943 0.0305
0.65 270 0.1295 0.3225 0.0301
0.75 102 0.6658 0.2255 0.0328
0.75 114 -0.1598 0.3225 0.0302
0.75 126 0.0314 0.2838 0.03
0.75 138 -0.7809 0.1767 0.0338
0.75 150 0.1379 0.3514 0.0301
0.75 162 -0.6432 0.2302 0.0326
0.75 222 0.0816 0.328 0.03
0.75 234 0.2009 0.2795 0.0303
0.75 246 -0.188 0.266 0.0302
0.75 258 -0.2618 0.2948 0.0305
0.75 270 0.0212 0.2881 0.03
0.85 114 0.2014 0.3336 0.0303
0.85 126 0.3779 0.2725 0.0309
0.85 138 0.2659 0.2986 0.0305
0.85 150 0.1238 0.3491 0.0301
0.85 162 -0.4889 0.2877 0.0316
0.85 222 -0.1958 0.3793 0.0303
0.85 234 -0.3923 0.2957 0.031
0.85 246 -0.046 0.3463 0.03
0.85 258 -0.5199 0.218 0.0318
0.85 270 -0.1902 0.3146 0.0302
0.85 282 -0.692 0.2148 0.033
0.95 78 0.1404 0.2992 0.0301
0.95 90 0.0026 0.2808 0.03
0.95 102 0.5887 0.2498 0.0322
0.95 246 -0.0855 0.3756 0.03
0.95 258 0.276 0.2735 0.0305
0.95 270 0.2811 0.3369 0.0305
0.95 282 -0.5491 0.2721 0.0319
0.55 270 -0.1946 0.2467 0.0303
0.65 114 -0.3554 0.2373 0.0308
0.65 126 0.131 0.2414 0.0301
0.65 138 0.4572 0.2528 0.0314
0.65 234 0.149 0.2315 0.0301
0.65 246 -0.5004 0.2071 0.0316
0.65 258 0.2354 0.2255 0.0304
0.65 270 -0.4413 0.2586 0.0313
0.75 114 0.2372 0.2216 0.0304
0.75 126 -0.1763 0.2166 0.0302
0.75 138 0.1717 0.2174 0.0302
0.75 150 0.1828 0.2769 0.0302
0.75 222 0.0803 0.2701 0.03
0.75 234 -0.2004 0.2264 0.0303
0.75 246 -0.4046 0.1992 0.0311
0.75 258 0.2663 0.2489 0.0305
0.75 270 0.1156 0.202 0.0301
0.85 114 0.3689 0.1962 0.0309
0.85 126 0.1353 0.2437 0.0301
0.85 138 -0.0553 0.271 0.03
0.85 150 0.322 0.2324 0.0307
0.85 234 -0.5462 0.235 0.0319
0.85 246 -0.0355 0.2171 0.03
0.85 258 -0.1137 0.2037 0.0301
0.85 270 -0.1351 0.1798 0.0301
0.85 282 -0.295 0.2139 0.0306
0.85 294 -0.2706 0.2517 0.0305
0.95 78 0.0357 0.2369 0.03
0.95 90 0.1271 0.2256 0.0301
0.95 102 0.2015 0.281 0.0303
0.95 138 -0.1142 0.2649 0.0301
0.95 246 0.2419 0.2407 0.0304
0.95 258 0.017 0.2278 0.03
0.95 270 -0.2452 0.2661 0.0304
0.95 282 0.0232 0.1986 0.03