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Measurement E151M3117

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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 : 0.0593 GeV2
W : 1625 GeV
ε : 0.8011
Ebeam : 1.9889 GeV
εL: 0.0505 

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 78 -0.3474 0.2693 0.0308
0.35 90 -0.3378 0.2753 0.0308
0.35 282 0.0577 0.2165 0.03
0.45 78 0.0646 0.2375 0.03
0.45 126 0.2517 0.2648 0.0304
0.45 270 -0.4979 0.2229 0.0316
0.45 282 0.326 0.2324 0.0307
0.45 294 0.2372 0.2753 0.0304
0.55 126 0.2257 0.2807 0.0303
0.55 210 0.0676 0.2661 0.03
0.55 222 -0.1898 0.2464 0.0302
0.55 258 0.5543 0.2134 0.032
0.55 270 0.0236 0.2115 0.03
0.55 282 -0.3199 0.2396 0.0307
0.65 78 0.0597 0.2794 0.03
0.65 114 0.5419 0.2168 0.0319
0.65 126 0.0511 0.2339 0.03
0.65 138 -0.0491 0.2323 0.03
0.65 150 -0.2518 0.266 0.0304
0.65 198 0.0207 0.2244 0.03
0.65 210 0.1043 0.2352 0.0301
0.65 222 0.1211 0.2093 0.0301
0.65 258 -0.0616 0.2797 0.03
0.65 294 0.092 0.2127 0.0301
0.75 66 -0.3292 0.2249 0.0307
0.75 78 0.5699 0.2202 0.0321
0.75 126 0.0389 0.2678 0.03
0.75 138 0.0233 0.2585 0.03
0.75 198 -0.1902 0.255 0.0302
0.75 210 -0.1818 0.2296 0.0302
0.75 222 -0.3273 0.1834 0.0307
0.75 234 -0.2779 0.2326 0.0305
0.75 270 0.2024 0.1905 0.0303
0.75 282 0.1962 0.2075 0.0303
0.75 294 0.3004 0.2788 0.0306
0.85 102 -0.0054 0.2098 0.03
0.85 114 -0.0242 0.1918 0.03
0.85 126 0.0077 0.2205 0.03
0.85 198 0.2347 0.2632 0.0304
0.85 210 0.2253 0.1997 0.0303
0.85 222 -0.0019 0.2157 0.03
0.85 234 0.0366 0.2176 0.03
0.85 246 0.7269 0.2004 0.0333