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Measurement E151M3315

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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 : 0.0415 GeV2
W : 1565 GeV
ε : 0.8903
Ebeam : 2.2596 GeV
εL: 0.0502 

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 78 -0.1022 0.2598 0.0301
0.45 78 0.1885 0.2481 0.0302
0.45 126 -0.0927 0.2511 0.0301
0.45 282 0.105 0.2397 0.0301
0.55 78 0.3774 0.2433 0.0309
0.55 114 -0.5572 0.2242 0.032
0.55 126 0.282 0.2501 0.0305
0.55 270 0.0981 0.2552 0.0301
0.65 126 -0.202 0.2503 0.0303
0.65 138 0.0718 0.2238 0.03
0.65 210 0.0696 0.2174 0.03
0.65 222 0.0323 0.2221 0.03
0.75 114 0.0566 0.2536 0.03
0.75 126 0.5953 0.2074 0.0323
0.75 138 -0.018 0.2186 0.03
0.75 222 -0.1915 0.1958 0.0302
0.75 234 0.2974 0.2374 0.0306
0.75 282 -0.3888 0.2362 0.031
0.85 102 0.1999 0.2573 0.0303
0.85 114 0.123 0.2394 0.0301
0.85 210 0.2311 0.2221 0.0304
0.85 222 -0.0751 0.1978 0.03
0.85 234 -0.3598 0.2072 0.0309
0.35 270 0.0632 0.2601 0.03
0.45 78 0.3933 0.2158 0.031
0.55 126 -0.2105 0.2564 0.0303
0.55 138 0.0816 0.2443 0.03
0.55 282 -0.0406 0.2691 0.03
0.65 138 -0.2582 0.2369 0.0304
0.65 222 -0.0025 0.2534 0.03
0.75 66 -0.3114 0.2547 0.0306
0.75 126 -0.4482 0.2453 0.0313
0.75 234 0.4824 0.2136 0.0315
0.75 282 0.4671 0.2149 0.0314
0.85 102 -0.2601 0.2292 0.0304
0.85 114 0.2684 0.2524 0.0305
0.85 222 -0.0849 0.2611 0.03
0.85 234 -0.0816 0.255 0.03