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Measurement E151M2630

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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 : 0.0121 GeV2
W : 1475 GeV
ε : 0.6004
Ebeam : 1.0539 GeV
εL: 0.0149 

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 -0.2449 0.257 0.0304
0.35 42 0.3549 0.1887 0.0308
0.35 54 -0.2497 0.148 0.0304
0.35 66 0.1296 0.1988 0.0301
0.45 42 -0.1958 0.1912 0.0303
0.45 54 -0.0527 0.1569 0.03
0.45 66 0.2572 0.22 0.0304
0.45 210 0.2118 0.2598 0.0303
0.45 222 -0.0482 0.2226 0.03
0.45 234 0.4894 0.1929 0.0316
0.45 246 -0.1358 0.2332 0.0301
0.45 258 0.1888 0.247 0.0302
0.55 30 -0.3141 0.2407 0.0307
0.55 42 -0.0695 0.2183 0.03
0.55 54 0.2108 0.2067 0.0303
0.55 150 0.4041 0.2092 0.0311
0.55 174 -0.0464 0.2183 0.03
0.55 222 -0.0061 0.2141 0.03
0.55 234 0.2648 0.1931 0.0305
0.55 246 -0.3219 0.1802 0.0307
0.65 42 -0.3184 0.2167 0.0307
0.65 54 0.3125 0.227 0.0306
0.65 162 -0.0251 0.2173 0.03
0.65 174 0.0129 0.2343 0.03
0.65 210 -0.0927 0.2537 0.0301
0.65 222 -0.2395 0.2065 0.0304
0.65 234 0.0458 0.1925 0.03
0.65 246 0.1572 0.1901 0.0302
0.65 258 0.16 0.2153 0.0302
0.75 222 0.0437 0.217 0.03
0.75 234 -0.1129 0.207 0.0301
0.75 246 0.0505 0.1887 0.03
0.85 222 -0.1349 0.1891 0.0301
0.85 234 0.0675 0.1696 0.03
0.85 246 0.1858 0.1949 0.0302