CLAS Physics Database

Your browser does not support JavaScript or JavaScript is turned off in your browser. It is strongly recommended to turn JavaScript on in order to view this page. Some features may not work if JavaScript is turned off.

Measurement E19M34

You are not logged in.

Experiment: E89-004, 2005

Spokespersons: R. A. Schumacher

Experiment comment: Correlated data on W & cos(theta) distribution are available in E19M33 and E19M34 measurements.

Publication:

R. Bradford, R. A. Schumacher, and CLAS Collaboration First Measurement of Beam-Recoil Observables Cx and Cz in Hyperon Photoproduction // Submitted to Physical Review C

Quantity measured: C_z, dimensionless
Spin transfer coefficient C_z for circularly polarized photon beam and recoiling polarized hyperons.
Beam: γ, polarization: circular
Target: p (Z=1, A=1), polarization: none
Final state: K⁺ Σ⁰, polarization: none

W :	1.787 — 2.454 GeV
E_γ :	0 GeV

Select data slice:
W = GeV

Observable quantity measured (Y axis): C_z, dimensionless
Plot measurement data

Parameter (X axis): cos(θ), dimensionless

Click here to get data in text file, delimited with tabs.

Measured data:

W, GeV	cos(θ), dimensionless	C_z, dimensionless	Data errors, dimensionless
1.787	-0.7	0	0
1.787	-0.4	0.689	0.519
1.787	-0.1	1.477	0.347
1.787	0.2	0.76	0.301
1.787	0.5	1.391	0.302
1.787	0.8	1.334	0.383
1.839	-0.7	0	0
1.839	-0.4	0.734	0.325
1.839	-0.1	1.092	0.208
1.839	0.2	1.019	0.189
1.839	0.5	0.744	0.184
1.839	0.8	0.585	0.279
1.889	-0.7	0.171	0.612
1.889	-0.4	0.475	0.239
1.889	-0.1	0.681	0.156
1.889	0.2	0.866	0.138
1.889	0.5	0.632	0.135
1.889	0.8	0.458	0.22
1.939	-0.7	1.482	0.619
1.939	-0.4	0.262	0.267
1.939	-0.1	1.075	0.162
1.939	0.2	0.528	0.142
1.939	0.5	0.706	0.148
1.939	0.8	0.351	0.205
1.987	-0.7	0.497	0.677
1.987	-0.4	0.697	0.281
1.987	-0.1	0.744	0.185
1.987	0.2	1.022	0.141
1.987	0.5	0.379	0.146
1.987	0.8	0.697	0.186
2.035	-0.7	-0.965	0.592
2.035	-0.4	0.693	0.328
2.035	-0.1	0.854	0.194
2.035	0.2	0.419	0.149
2.035	0.5	0.149	0.141
2.035	0.8	0.097	0.228
2.081	-0.7	-0.303	0.579
2.081	-0.4	1.215	0.386
2.081	-0.1	0.319	0.232
2.081	0.2	0.524	0.178
2.081	0.5	0.048	0.148
2.081	0.8	-0.082	0.178
2.126	-0.7	1.157	0.493
2.126	-0.4	1.089	0.417
2.126	-0.1	0.397	0.249
2.126	0.2	0.111	0.213
2.126	0.5	0.159	0.155
2.126	0.8	-0.193	0.164
2.17	-0.7	1.279	0.444
2.17	-0.4	0.7	0.434
2.17	-0.1	0.958	0.284
2.17	0.2	0.235	0.208
2.17	0.5	-0.818	0.182
2.17	0.8	-0.134	0.17
2.212	-0.7	0.047	0.429
2.212	-0.4	0.098	0.471
2.212	-0.1	0.8	0.314
2.212	0.2	0.462	0.219
2.212	0.5	-0.1	0.188
2.212	0.8	-0.041	0.163
2.255	-0.7	0.828	0.649
2.255	-0.4	1.377	0.6
2.255	-0.1	0.783	0.44
2.255	0.2	0.294	0.31
2.255	0.5	-0.526	0.229
2.255	0.8	-0.17	0.245
2.296	-0.7	1.019	0.603
2.296	-0.4	-0.344	0.869
2.296	-0.1	-0.064	0.565
2.296	0.2	-0.227	0.353
2.296	0.5	-0.442	0.257
2.296	0.8	-0.418	0.366
2.338	-0.7	0.922	0.979
2.338	-0.4	0.732	0.951
2.338	-0.1	-1.261	0.881
2.338	0.2	-0.738	0.562
2.338	0.5	-0.308	0.383
2.338	0.8	-0.348	0.341
2.377	-0.7	3.243	1.021
2.377	-0.4	2.293	0.819
2.377	-0.1	1.311	1.325
2.377	0.2	-1.254	0.847
2.377	0.5	-0.869	0.394
2.377	0.8	0.727	0.446
2.416	-0.7	0.072	1.251
2.416	-0.4	2.485	0.89
2.416	-0.1	-2.157	1.191
2.416	0.2	-0.382	0.883
2.416	0.5	-0.207	0.476
2.416	0.8	0.181	0.797
2.454	-0.7	0.999	1.074
2.454	-0.4	1.256	1.224
2.454	-0.1	0.891	1.477
2.454	0.2	-0.899	1.118
2.454	0.5	-1.106	0.504
2.454	0.8	-0.147	0.543