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Measurement E151M2804

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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 : 0.101 GeV2
W : 1445 GeV
ε : 0.7393
Ebeam : 1.3383 GeV
εL: 0.1535 

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
0.55 138 -0.2855 0.2495 0.0305
0.55 222 0.0163 0.3786 0.03
0.55 246 -0.0213 0.1847 0.0306
0.65 126 -0.0812 0.3819 0.03
0.65 138 0.4456 0.2804 0.0313
0.65 222 -0.0048 0.3621 0.03
0.65 234 0.0222 0.3056 0.03
0.65 246 -0.4136 0.221 0.0311
0.65 258 0.2785 0.2553 0.0305
0.65 270 -0.4805 0.3206 0.0315
0.75 114 -0.2645 0.3634 0.0305
0.75 126 0.1344 0.3226 0.0301
0.75 138 -0.2925 0.3334 0.0306
0.75 210 -0.1336 0.3692 0.0301
0.75 222 0.3837 0.2585 0.031
0.75 234 0.2366 0.2712 0.0304
0.75 246 0.7401 0.1628 0.0335
0.75 258 -0.0085 0.284 0.03
0.85 138 0.9651 0.1291 0.0357
0.85 222 -0.7468 0.21 0.0335
0.85 234 -0.0978 0.3012 0.0301
0.85 246 0.3133 0.2628 0.0306
0.85 258 0.4763 0.2205 0.0315
0.85 270 0.0042 0.331 0.03
0.95 90 -0.0916 0.4188 0.0301
0.95 102 0.2387 0.3562 0.0304
0.95 126 0.1759 0.3989 0.0302
0.95 234 0.0604 0.3653 0.03
0.95 246 -0.0095 0.3459 0.03
0.95 258 -0.323 0.2973 0.0307
0.95 270 0.5661 0.2781 0.0321
0.95 282 0.7103 0.2909 0.0332
0.55 258 -0.0718 0.2506 0.03
0.65 126 0.1606 0.1942 0.0302
0.65 138 0.449 0.2001 0.0313
0.65 150 0.0529 0.2582 0.03
0.65 222 -0.4146 0.2525 0.0311
0.65 234 -0.2829 0.2499 0.0305
0.65 246 0.1177 0.1934 0.0301
0.65 258 -0.0438 0.2259 0.03
0.75 114 0.2268 0.2426 0.0303
0.75 126 0.3422 0.1754 0.0308
0.75 138 -0.2402 0.23 0.0304
0.75 162 0.0998 0.2555 0.0301
0.75 174 0.0177 0.2664 0.03
0.75 222 -0.2292 0.2661 0.0303
0.75 234 0.0342 0.2385 0.03
0.75 246 -0.0723 0.2179 0.03
0.75 258 0.4139 0.1698 0.0311
0.75 270 -0.3431 0.2504 0.0308
0.85 114 -0.0372 0.2616 0.03
0.85 126 0.0392 0.2623 0.03
0.85 138 -0.4099 0.2047 0.0311
0.85 150 0.2162 0.2597 0.0303
0.85 222 -0.0774 0.2468 0.03
0.85 234 0.0282 0.2224 0.03
0.85 246 0.2566 0.205 0.0304
0.85 258 -0.1995 0.2128 0.0303
0.85 270 -0.1122 0.2161 0.0301
0.95 102 -0.245 0.2635 0.0304
0.95 246 -0.0692 0.2712 0.03
0.95 258 -0.0516 0.2576 0.03
0.95 270 -0.1906 0.2515 0.0302