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Measurement E151M3297

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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 : 0.205 GeV2
W : 1505 GeV
ε : 0.8719
Ebeam : 2.2596 GeV
εL: 0.2491 

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
0.55 114 -0.3079 0.2481 0.0306
0.55 282 -0.2954 0.242 0.0306
0.55 306 -0.2303 0.2531 0.0304
0.65 102 0.5899 0.2016 0.0322
0.75 102 0.0326 0.2376 0.03
0.75 114 0.219 0.2428 0.0303
0.75 126 0.2761 0.2512 0.0305
0.75 222 -0.0781 0.2178 0.03
0.75 234 -0.021 0.2361 0.03
0.75 246 -0.5611 0.1915 0.032
0.85 222 -0.113 0.2446 0.0301
0.85 246 -0.1624 0.1939 0.0302
0.85 258 -0.2221 0.2236 0.0303
0.95 258 0.0752 0.2631 0.03
0.95 270 -0.4409 0.2515 0.0313
0.35 282 -0.3004 0.2396 0.0306
0.35 294 0.4948 0.1965 0.0316
0.55 114 0.1333 0.2283 0.0301
0.55 306 0.2242 0.2514 0.0303
0.65 102 0.0989 0.2586 0.0301
0.65 234 -0.316 0.2392 0.0307
0.75 102 -0.1019 0.2591 0.0301
0.75 114 -0.2227 0.1893 0.0303
0.75 126 0.0103 0.2476 0.03
0.75 234 -0.3532 0.2561 0.0308
0.75 246 -0.215 0.2314 0.0303
0.75 258 0.2548 0.251 0.0304
0.85 210 0.4899 0.2277 0.0316
0.85 222 0.1887 0.2552 0.0302
0.85 234 0.0688 0.2132 0.03
0.85 246 0.2668 0.2317 0.0305
0.85 258 -0.1691 0.2648 0.0302
0.95 258 0.1281 0.2484 0.0301
0.95 270 0.0617 0.2596 0.03