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Measurement E151M2820

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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 : 0.0593 GeV2
W : 1475 GeV
ε : 0.7364
Ebeam : 1.3383 GeV
εL: 0.0838 

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 30 -0.1528 0.2587 0.0302
0.45 30 0.3779 0.2646 0.0309
0.45 234 -0.3647 0.275 0.0309
0.55 138 -0.2015 0.2365 0.0303
0.55 150 0.1042 0.2363 0.0301
0.55 222 0.4267 0.2382 0.0312
0.55 234 -0.1412 0.2492 0.0301
0.55 246 -0.2306 0.2495 0.0304
0.65 126 -0.1398 0.2292 0.0301
0.65 138 -0.2641 0.2337 0.0305
0.65 150 0.2464 0.2005 0.0304
0.65 210 -0.2636 0.2475 0.0305
0.65 222 -0.1419 0.216 0.0301
0.65 234 -0.0541 0.1778 0.03
0.65 246 -0.1747 0.199 0.0302
0.65 258 0.3573 0.2256 0.0308
0.75 126 0.1005 0.2047 0.0301
0.75 138 -0.0631 0.1963 0.03
0.75 150 0.0358 0.2609 0.03
0.75 162 -0.1601 0.2636 0.0302
0.75 210 -0.1733 0.235 0.0302
0.75 222 -0.1603 0.2261 0.0302
0.75 234 0.049 0.2008 0.03
0.75 246 0.0663 0.1918 0.03
0.75 258 -0.1129 0.1974 0.0301
0.85 126 -0.277 0.2773 0.0305
0.85 210 0.0463 0.2559 0.03
0.85 222 -0.5376 0.2072 0.0319
0.85 234 -0.0452 0.1976 0.03
0.85 246 0.1886 0.1892 0.0302
0.85 258 0.2047 0.2422 0.0303
0.95 114 0.2114 0.2638 0.0303
0.95 126 0.3161 0.2435 0.0307
0.95 138 -0.0423 0.268 0.03
0.95 246 -0.1835 0.256 0.0302
0.15 42 0.0121 0.3839 0.03
0.55 126 -0.5359 0.326 0.0319
0.55 138 0.2481 0.3442 0.0304
0.55 210 -0.2526 0.4077 0.0304
0.55 222 -0.1773 0.2577 0.0302
0.55 234 -0.12 0.3232 0.0301
0.55 246 -0.3031 0.2867 0.0306
0.55 258 0.4229 0.326 0.0312
0.65 126 -0.2379 0.2793 0.0304
0.65 138 -0.5274 0.2424 0.0318
0.65 210 0.2185 0.3553 0.0303
0.65 222 0.1985 0.2744 0.0303
0.65 234 0.5111 0.1996 0.0317
0.65 246 -0.4144 0.1935 0.0311
0.65 258 0.3375 0.3097 0.0307
0.75 126 0.0015 0.3278 0.03
0.75 138 0.5166 0.2672 0.0317
0.75 150 0.0603 0.39 0.03
0.75 222 -0.1331 0.2938 0.0301
0.75 234 -0.2015 0.2876 0.0303
0.75 246 -0.6284 0.1967 0.0325
0.75 258 -0.3166 0.293 0.0307
0.85 210 -0.2806 0.2932 0.0305
0.85 222 -0.0775 0.3137 0.03
0.85 234 -0.1128 0.2596 0.0301
0.85 246 0.4224 0.2351 0.0312
0.85 258 -0.0457 0.2923 0.03
0.95 234 0.3906 0.3453 0.031
0.95 246 0.3682 0.2551 0.0309
0.95 258 -0.084 0.3322 0.03