CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2622

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 : 0.0707 GeV2
W : 1445 GeV
ε : 0.5838
Ebeam : 1.0539 GeV
εL: 0.089 

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
0.15 42 -0.4044 0.2316 0.0311
0.25 54 -0.1752 0.2567 0.0302
0.35 42 0.0813 0.2268 0.03
0.45 30 -0.416 0.2281 0.0311
0.45 42 0.2391 0.2268 0.0304
0.45 54 -0.274 0.228 0.0305
0.45 234 0.0768 0.2508 0.03
0.45 258 -0.2435 0.2561 0.0304
0.55 222 -0.5897 0.1964 0.0322
0.55 234 -0.1098 0.1886 0.0301
0.55 246 -0.2345 0.1936 0.0304
0.55 258 -0.015 0.2375 0.03
0.55 270 0.2738 0.2396 0.0305
0.65 150 0.458 0.2016 0.0314
0.65 162 0.2382 0.2509 0.0304
0.65 222 0.4113 0.2073 0.0311
0.65 234 0.0068 0.2173 0.03
0.65 246 -0.377 0.1854 0.0309
0.65 258 -0.0031 0.2041 0.03
0.65 270 0.3428 0.2334 0.0308
0.75 138 -0.3802 0.2128 0.0309
0.75 174 0.1673 0.2462 0.0302
0.75 222 -0.1092 0.2344 0.0301
0.75 234 -0.2602 0.2106 0.0304
0.75 246 -0.2796 0.1602 0.0305
0.75 258 0.0471 0.1938 0.03
0.75 270 -0.3086 0.2139 0.0306
0.85 234 0.4668 0.2175 0.0314
0.85 246 -0.3331 0.1774 0.0307
0.85 258 -0.1261 0.1669 0.0301
0.85 270 0.0371 0.1992 0.03
0.95 138 0.1373 0.2492 0.0301