CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M3074

You are not logged in.

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 : 0.1205 GeV2
W : 1535 GeV
ε : 0.8411
Ebeam : 1.9889 GeV
εL: 0.1401 

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
0.25 66 0.2771 0.2565 0.0305
0.25 78 -0.0232 0.2669 0.03
0.25 294 0.1701 0.2791 0.0302
0.35 66 -0.1567 0.274 0.0302
0.35 282 -0.096 0.2245 0.0301
0.45 78 -0.0431 0.2425 0.03
0.45 114 -0.0005 0.2356 0.03
0.45 270 -0.1163 0.2301 0.0301
0.45 282 -0.0835 0.2181 0.03
0.45 294 0.1656 0.2631 0.0302
0.55 114 -0.2948 0.2293 0.0306
0.55 234 -0.1067 0.2414 0.0301
0.55 246 0.2323 0.2542 0.0304
0.55 270 0.378 0.2886 0.0309
0.55 282 -0.2605 0.2455 0.0304
0.65 66 -0.1449 0.2302 0.0301
0.65 102 -0.0506 0.2475 0.03
0.65 114 -0.3618 0.2033 0.0309
0.65 126 -0.1864 0.2117 0.0302
0.65 138 -0.1594 0.2764 0.0302
0.65 150 0.3842 0.2564 0.031
0.65 198 -0.1732 0.2792 0.0302
0.65 210 0.2198 0.2655 0.0303
0.65 222 -0.1188 0.2264 0.0301
0.65 234 0.1995 0.2005 0.0303
0.65 246 -0.3427 0.2547 0.0308
0.65 294 0.4183 0.2224 0.0311
0.75 102 -0.0214 0.2782 0.03
0.75 114 0.408 0.2148 0.0311
0.75 126 0.2251 0.2148 0.0303
0.75 138 -0.0741 0.2038 0.03
0.75 150 0.7216 0.2075 0.0333
0.75 198 -0.3476 0.214 0.0308
0.75 210 -0.0139 0.2063 0.03
0.75 222 -0.0851 0.1864 0.03
0.75 234 -0.2261 0.1773 0.0303
0.75 246 -0.2685 0.2501 0.0305
0.75 258 0.0526 0.2686 0.03
0.75 282 -0.0419 0.2705 0.03
0.75 294 -0.4803 0.2211 0.0315
0.85 90 0.5586 0.1648 0.032
0.85 102 -0.5628 0.2229 0.032
0.85 138 -0.2042 0.2718 0.0303
0.85 198 -0.0882 0.2448 0.0301
0.85 210 0.109 0.2069 0.0301
0.85 222 0.011 0.2361 0.03
0.85 234 -0.0652 0.1905 0.03
0.85 246 -0.0314 0.1878 0.03
0.85 258 0.1064 0.2452 0.0301
0.85 270 -0.0191 0.2652 0.03
0.95 102 0.2627 0.2514 0.0305
0.95 114 0.5679 0.2089 0.0321
0.95 198 -0.3909 0.2878 0.031
0.95 210 -0.5254 0.2261 0.0318
0.95 222 0.0582 0.2197 0.03
0.95 234 -0.5244 0.1843 0.0318
0.95 246 -0.1918 0.213 0.0302
0.95 258 -0.1338 0.2082 0.0301