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Measurement E151M2821

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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 : 0.0707 GeV2
W : 1475 GeV
ε : 0.7269
Ebeam : 1.3383 GeV
εL: 0.0971 

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 30 -0.435 0.3212 0.0312
0.55 210 0.2632 0.4228 0.0305
0.55 222 -0.294 0.3205 0.0306
0.55 234 0.161 0.3037 0.0302
0.55 246 -0.5794 0.2393 0.0322
0.55 258 0.1847 0.3658 0.0302
0.65 126 -0.0373 0.3401 0.03
0.65 138 -0.0875 0.3406 0.0301
0.65 150 -0.2526 0.3545 0.0304
0.65 210 0.1006 0.4054 0.0301
0.65 222 0.1594 0.3482 0.0302
0.65 234 -0.5223 0.2864 0.0318
0.65 246 -0.2902 0.258 0.0306
0.65 258 -0.613 0.2133 0.0324
0.75 126 -0.2523 0.2897 0.0304
0.75 138 0.1699 0.2975 0.0302
0.75 150 0.349 0.3573 0.0308
0.75 210 -0.3406 0.3184 0.0308
0.75 222 -0.4674 0.2298 0.0314
0.75 234 0.1187 0.2651 0.0301
0.75 246 0.2992 0.2197 0.0306
0.75 258 -0.2854 0.257 0.0305
0.85 114 0.0576 0.348 0.03
0.85 222 0.3856 0.3012 0.031
0.85 234 0.1643 0.2776 0.0302
0.85 246 -0.2636 0.2069 0.0305
0.85 258 0.1086 0.3481 0.0301
0.85 270 -0.3538 0.3627 0.0308
0.95 114 -0.1305 0.3971 0.0301
0.95 126 -0.5258 0.3243 0.0318
0.95 234 -0.3879 0.286 0.031
0.95 246 0.1186 0.3655 0.0301
0.95 258 0.0011 0.2487 0.03
0.25 42 0.2475 0.2637 0.0304
0.55 126 0.2085 0.2634 0.0303
0.55 138 -0.1826 0.2699 0.0302
0.55 234 0.2834 0.2493 0.0305
0.55 246 -0.1963 0.2117 0.0303
0.55 258 0.1792 0.2522 0.0302
0.65 126 0.1696 0.2517 0.0302
0.65 138 0.2897 0.1952 0.0306
0.65 150 0.3501 0.2149 0.0308
0.65 162 -0.0817 0.2682 0.03
0.65 222 -0.0549 0.2045 0.03
0.65 234 -0.2858 0.2016 0.0305
0.65 246 -0.0189 0.2015 0.03
0.65 258 -0.2165 0.2422 0.0303
0.75 126 0.0905 0.2268 0.0301
0.75 138 0.0262 0.2025 0.03
0.75 150 0.1052 0.2513 0.0301
0.75 222 0.1648 0.1898 0.0302
0.75 234 0.3142 0.195 0.0307
0.75 246 -0.0074 0.19 0.03
0.75 258 -0.1311 0.2266 0.0301
0.85 126 0.2026 0.2713 0.0303
0.85 150 0.1426 0.2687 0.0301
0.85 210 -0.1579 0.2759 0.0302
0.85 222 -0.2558 0.2544 0.0304
0.85 234 0.1008 0.2043 0.0301
0.85 246 -0.1152 0.1936 0.0301
0.85 258 -0.115 0.2041 0.0301
0.95 114 -0.032 0.2674 0.03
0.95 234 -0.0292 0.2317 0.03
0.95 246 -0.3785 0.2401 0.0309
0.95 258 0.4009 0.2727 0.0311