CLAS Physics Database

Measurement E151M3296

Experiment: EG4
Year: 2016

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).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.2198
Q2: 0.1715 GeV2
W: 1505.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8813

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 66.0 0.0383 0.2559
0.35 294.0 0.0553 0.2347
0.55 102.0 0.6452 0.1947
0.55 114.0 -0.1654 0.2595
0.65 102.0 -0.2543 0.2153
0.65 114.0 0.2598 0.2243
0.65 126.0 -0.2625 0.2412
0.65 246.0 0.0554 0.2564
0.65 294.0 -0.4888 0.2271
0.75 102.0 0.3705 0.2024
0.75 114.0 -0.1214 0.2324
0.75 126.0 -0.2076 0.2578
0.75 198.0 0.349 0.2473
0.75 222.0 -0.0995 0.247
0.75 234.0 0.339 0.2405
0.75 246.0 -0.1613 0.257
0.75 258.0 -0.0253 0.2658
0.75 294.0 0.3198 0.2366
0.85 78.0 -0.046 0.2636
0.85 102.0 -0.3047 0.2305
0.85 126.0 -0.1766 0.2329
0.85 138.0 -0.2931 0.2377
0.85 210.0 0.2927 0.2542
0.85 234.0 -0.1876 0.22
0.85 246.0 0.2299 0.2239
0.85 258.0 0.1282 0.2439
0.85 270.0 0.3111 0.2474
0.95 246.0 -0.087 0.2487
0.95 258.0 -0.0343 0.2212
0.95 270.0 -0.0012 0.2544
0.95 282.0 0.4599 0.2167
0.25 294.0 0.0712 0.2652
0.35 66.0 0.1758 0.2477
0.35 282.0 0.0521 0.2549
0.45 282.0 -0.0144 0.234
0.45 294.0 -0.2424 0.2423
0.55 114.0 -0.6449 0.1988
0.65 102.0 0.0899 0.2412
0.65 114.0 0.1351 0.2373
0.65 234.0 0.0308 0.2425
0.75 102.0 -0.084 0.2318
0.75 114.0 0.3195 0.2247
0.75 126.0 0.0353 0.2451
0.75 222.0 -0.0315 0.2127
0.75 234.0 -0.1734 0.2629
0.75 246.0 -0.0303 0.2511
0.85 78.0 -0.1708 0.1995
0.85 114.0 -0.0764 0.2616
0.85 126.0 0.2223 0.2254
0.85 222.0 0.0721 0.2404
0.85 234.0 0.197 0.2009
0.85 246.0 0.0373 0.2205
0.85 258.0 -0.0404 0.2539
0.95 246.0 0.0859 0.2434
0.95 270.0 -0.4515 0.2108
0.95 282.0 -0.2812 0.2376