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Measurement E151M3605

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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 : 0.0844 GeV2
W : 1775 GeV
ε : 0.8627
Ebeam : 2.999 GeV
εL: 0.0463 

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
0.55 102 0.1997 0.2733 0.0303
0.55 114 -0.7229 0.194 0.0333
0.55 126 -0.4517 0.237 0.0313
0.55 198 0.2882 0.2558 0.0305
0.55 258 0.2079 0.2728 0.0303
0.55 270 -0.0351 0.2497 0.03
0.65 114 0.2078 0.2554 0.0303
0.65 126 0.2679 0.2031 0.0305
0.65 138 -0.2491 0.2653 0.0304
0.65 174 -0.3329 0.2526 0.0307
0.65 186 0.1518 0.2508 0.0302
0.65 198 0.2106 0.2532 0.0303
0.65 210 -0.0455 0.2308 0.03
0.65 270 0.38 0.2459 0.0309
0.65 282 0.1665 0.2403 0.0302
0.75 90 0.2216 0.2585 0.0303
0.75 102 -0.5337 0.2134 0.0318
0.75 114 1.0206 1.0206 0.0363
0.75 126 0.4469 0.2437 0.0313
0.75 186 0.0854 0.2247 0.03
0.75 198 -0.2722 0.1986 0.0305
0.75 210 -0.0579 0.2555 0.03
0.75 222 0.1232 0.2205 0.0301
0.75 234 0.4178 0.219 0.0311
0.75 270 -0.1334 0.2069 0.0301
0.75 282 -0.0046 0.2317 0.03
0.85 90 0.2143 0.257 0.0303
0.85 102 0.0247 0.1792 0.03
0.85 114 -0.0143 0.1816 0.03
0.85 126 -0.0641 0.2363 0.03
0.85 138 0.2974 0.2682 0.0306
0.85 174 0.4007 0.2259 0.0311
0.85 186 -0.4632 0.1694 0.0314
0.85 198 -0.0956 0.2033 0.0301
0.85 210 -0.1714 0.1842 0.0302
0.85 222 0.0555 0.189 0.03
0.85 234 0.0296 0.2605 0.03
0.85 270 -0.0831 0.2368 0.03
0.85 282 0.0862 0.268 0.03
0.95 198 -0.0608 0.2812 0.03
0.95 210 -0.0764 0.2456 0.03