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Measurement E151M2717

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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 : 0.0171 GeV2
W : 1325 GeV
ε : 0.9044
Ebeam : 1.3383 GeV
εL: 0.0686 

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 42 -0.1919 0.3827 0.0302
0.55 42 0.5017 0.2881 0.0316
0.55 234 0.3441 0.3126 0.0308
0.55 246 -0.0903 0.2657 0.0301
0.55 258 0.5317 0.2305 0.0318
0.65 126 -0.661 0.1899 0.0328
0.65 138 -0.3246 0.3106 0.0307
0.65 150 -0.1532 0.2875 0.0302
0.65 162 -0.1848 0.3553 0.0302
0.65 210 -0.3936 0.3695 0.031
0.65 222 0.2901 0.3332 0.0306
0.65 234 -0.2095 0.243 0.0303
0.65 246 0.4143 0.1945 0.0311
0.65 258 -0.1209 0.2624 0.0301
0.75 126 0.6471 0.2828 0.0327
0.75 138 0.4061 0.246 0.0311
0.75 150 -0.3337 0.2578 0.0307
0.75 162 0.4274 0.2926 0.0312
0.75 210 -0.5604 0.3087 0.032
0.75 222 -0.4108 0.2318 0.0311
0.75 234 -0.0556 0.2338 0.03
0.75 246 0.1199 0.2163 0.0301
0.75 258 -0.0725 0.2433 0.03
0.85 126 0.6862 0.1964 0.033
0.85 138 0.7396 0.2709 0.0334
0.85 150 -0.3742 0.2827 0.0309
0.85 162 -0.2054 0.3631 0.0303
0.85 210 0.0073 0.2858 0.03
0.85 222 -0.1387 0.2676 0.0301
0.85 234 -0.2921 0.2341 0.0306
0.85 246 -0.3681 0.2327 0.0309
0.85 258 -0.0635 0.2613 0.03
0.85 270 0.2369 0.3694 0.0304
0.95 234 -0.3907 0.3141 0.031
0.25 42 0.1537 0.2574 0.0302
0.35 54 0.4082 0.194 0.0311
0.45 42 -0.1735 0.2156 0.0302
0.55 234 -0.1022 0.2158 0.0301
0.55 246 -0.0544 0.2111 0.03
0.55 258 -0.0244 0.2442 0.03
0.65 126 0.1877 0.2713 0.0302
0.65 138 0.1119 0.208 0.0301
0.65 150 -0.1448 0.2127 0.0301
0.65 162 0.5039 0.2321 0.0316
0.65 210 -0.2693 0.281 0.0305
0.65 222 -0.007 0.1941 0.03
0.65 234 0.1069 0.1541 0.0301
0.65 246 0.0149 0.1708 0.03
0.65 258 0.1624 0.154 0.0302
0.75 126 -0.2521 0.2525 0.0304
0.75 138 0.1634 0.2174 0.0302
0.75 150 0.2115 0.2374 0.0303
0.75 162 0.1908 0.2281 0.0302
0.75 174 0.0893 0.2609 0.0301
0.75 210 -0.0331 0.2594 0.03
0.75 222 -0.2745 0.1717 0.0305
0.75 234 -0.4008 0.1625 0.0311
0.75 246 -0.0763 0.1657 0.03
0.75 258 0.2597 0.1777 0.0304
0.85 138 0.0607 0.2482 0.03
0.85 150 0.0335 0.273 0.03
0.85 210 -0.3629 0.2573 0.0309
0.85 222 -0.2449 0.2023 0.0304
0.85 234 -0.1089 0.165 0.0301
0.85 246 0.2053 0.1516 0.0303
0.85 258 -0.0066 0.1848 0.03
0.85 270 0.2876 0.258 0.0305