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Measurement E151M2567

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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 : 0.0023 GeV2
W : 1385 GeV
ε : 0.7727
Ebeam : 1.0539 GeV
εL: 0.0057 

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
0.45 42 -0.18 0.2533 0.0302
0.45 54 -0.0187 0.1797 0.03
0.45 222 -0.1484 0.1946 0.0301
0.45 234 -0.3751 0.2373 0.0309
0.55 42 0.1348 0.2015 0.0301
0.55 54 0.3477 0.1532 0.0308
0.55 66 -0.5116 0.2117 0.0317
0.55 150 -0.1283 0.1997 0.0301
0.55 162 -0.0552 0.2539 0.03
0.55 174 0.2681 0.2317 0.0305
0.55 210 -0.0653 0.2219 0.03
0.55 222 0.0956 0.2088 0.0301
0.55 234 0.0673 0.1479 0.03
0.55 246 -0.0086 0.1889 0.03
0.55 258 0.0948 0.2474 0.0301
0.65 18 0.0018 0.2401 0.03
0.65 30 -0.0164 0.1787 0.03
0.65 42 -0.1123 0.1554 0.0301
0.65 54 -0.0159 0.1326 0.03
0.65 66 0.0031 0.256 0.03
0.65 138 -0.0605 0.2354 0.03
0.65 150 -0.2558 0.2137 0.0304
0.65 162 0.3336 0.1857 0.0307
0.65 174 -0.3407 0.2038 0.0308
0.65 186 -0.3384 0.2385 0.0308
0.65 210 -0.1623 0.2044 0.0302
0.65 222 0.1266 0.1741 0.0301
0.65 234 -0.2391 0.1309 0.0304
0.65 246 -0.1786 0.1535 0.0302
0.65 258 -0.1891 0.2467 0.0302
0.75 54 -0.6007 0.1638 0.0323
0.75 150 0.0738 0.2475 0.03
0.75 162 -0.2294 0.226 0.0303
0.75 186 0.0534 0.2652 0.03
0.75 210 -0.6311 0.1549 0.0325
0.75 222 0.0618 0.1592 0.03
0.75 234 0.0276 0.1476 0.03
0.75 246 0.1167 0.1541 0.0301
0.75 258 0.0832 0.2581 0.03
0.85 210 -0.264 0.253 0.0305
0.85 222 -0.0682 0.1974 0.03
0.85 234 -0.1322 0.1729 0.0301
0.85 246 0.1405 0.1748 0.0301