CLAS Physics Database

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Measurement E55M2

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Experiment: Differential Photoproduction Cross Sections of the Σ⁰(1385), 2013

Spokespersons: R. A. Schumacher

Publication:

K. Moriya, R. A. Schumacher et al. (CLAS Collaboration) Differential photoproduction cross sections of the Σ⁰(1385), Λ(1405), and Λ(1520) // http://link.aps.org/doi/10.1103/PhysRevC.88.045201

Quantity measured: dσ/dcos(θ_K⁺), mcbn
K⁺ angular distribution in CM frame.
Beam: γ, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K⁺ Σ⁰(1385), polarization: none

W :	2 — 2.8 GeV

Select data slice:
W = GeV

Observable quantity measured (Y axis): dσ/dcos(θ_K⁺), mcbn
Plot measurement data

Parameter (X axis): cos(θ_K⁺),

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Measured data:

W, GeV	cos(θ_K⁺)	dσ/dcos(θ_K⁺), mcbn	Data errors, mcbn
2	-0.85	0	0
2	-0.75	0	0
2	-0.65	0	0
2	-0.55	0.3327	0.044
2	-0.45	0.2887	0.0324
2	-0.35	0.3424	0.0299
2	-0.25	0.4201	0.029
2	-0.15	0.4202	0.0258
2	-0.05	0.4074	0.024
2	0.05	0.4483	0.0188
2	0.15	0.4882	0.0175
2	0.25	0.5392	0.0175
2	0.35	0.5712	0.0182
2	0.45	0.5861	0.0176
2	0.55	0.611	0.0181
2	0.65	0.5737	0.0187
2	0.75	0.617	0.0223
2	0.84	0.6719	0.0342
2.1	-0.85	0	0
2.1	-0.75	0	0
2.1	-0.65	0.1585	0.0357
2.1	-0.55	0.1757	0.0245
2.1	-0.45	0.2133	0.0214
2.1	-0.35	0.2733	0.02
2.1	-0.25	0.3303	0.0194
2.1	-0.15	0.337	0.0185
2.1	-0.05	0.3729	0.0216
2.1	0.05	0.4288	0.0152
2.1	0.15	0.4534	0.0147
2.1	0.25	0.5092	0.0151
2.1	0.35	0.5776	0.015
2.1	0.45	0.5759	0.0146
2.1	0.55	0.6492	0.0161
2.1	0.65	0.6577	0.0172
2.1	0.75	0.6869	0.0198
2.1	0.84	0.7114	0.028
2.2	-0.85	0	0
2.2	-0.75	0	0
2.2	-0.65	0.0802	0.0246
2.2	-0.55	0.108	0.0169
2.2	-0.45	0.1225	0.0145
2.2	-0.35	0.1582	0.0133
2.2	-0.25	0.166	0.0128
2.2	-0.15	0.1873	0.0118
2.2	-0.05	0.1936	0.0134
2.2	0.05	0.2185	0.0097
2.2	0.15	0.2817	0.0102
2.2	0.25	0.3265	0.0108
2.2	0.35	0.3327	0.0102
2.2	0.45	0.3703	0.0101
2.2	0.55	0.4328	0.0116
2.2	0.65	0.4921	0.0131
2.2	0.75	0.458	0.0143
2.2	0.84	0.5509	0.0202
2.3	-0.85	0	0
2.3	-0.75	0	0
2.3	-0.65	0.1029	0.0254
2.3	-0.55	0.13	0.0173
2.3	-0.45	0.0861	0.0114
2.3	-0.35	0.0971	0.0099
2.3	-0.25	0.0768	0.0091
2.3	-0.15	0.0959	0.0081
2.3	-0.05	0.1108	0.0087
2.3	0.05	0.1394	0.0071
2.3	0.15	0.1632	0.0072
2.3	0.25	0.1958	0.0074
2.3	0.35	0.2373	0.0073
2.3	0.45	0.2652	0.0078
2.3	0.55	0.3007	0.0086
2.3	0.65	0.3534	0.0103
2.3	0.75	0.4469	0.0123
2.3	0.84	0.5282	0.0174
2.4	-0.85	0	0
2.4	-0.75	0	0
2.4	-0.65	0.0591	0.0231
2.4	-0.55	0.0785	0.0135
2.4	-0.45	0.0514	0.0091
2.4	-0.35	0.0609	0.0083
2.4	-0.25	0.053	0.0066
2.4	-0.15	0.0625	0.0071
2.4	-0.05	0.0669	0.0059
2.4	0.05	0.0907	0.0054
2.4	0.15	0.1088	0.0059
2.4	0.25	0.118	0.0055
2.4	0.35	0.1453	0.0055
2.4	0.45	0.1661	0.0061
2.4	0.55	0.2275	0.0073
2.4	0.65	0.2746	0.009
2.4	0.75	0.3637	0.0108
2.4	0.84	0.511	0.016
2.5	-0.85	0	0
2.5	-0.75	0	0
2.5	-0.65	0.0638	0.025
2.5	-0.55	0.0329	0.0094
2.5	-0.45	0.0322	0.0064
2.5	-0.35	0.0305	0.0063
2.5	-0.25	0.0264	0.0045
2.5	-0.15	0.0181	0.0047
2.5	-0.05	0.0357	0.0038
2.5	0.05	0.0481	0.0038
2.5	0.15	0.0658	0.0041
2.5	0.25	0.0821	0.0039
2.5	0.35	0.0949	0.0042
2.5	0.45	0.119	0.0046
2.5	0.55	0.157	0.0057
2.5	0.65	0.2177	0.0071
2.5	0.75	0.3179	0.0092
2.5	0.84	0.4095	0.0137
2.6	-0.85	0	0
2.6	-0.75	0	0
2.6	-0.65	0.0832	0.0299
2.6	-0.55	0.0435	0.0102
2.6	-0.45	0.028	0.0065
2.6	-0.35	0.0197	0.0045
2.6	-0.25	0.0178	0.0035
2.6	-0.15	0.0081	0.0032
2.6	-0.05	0.0185	0.0027
2.6	0.05	0.0314	0.0028
2.6	0.15	0.0444	0.0028
2.6	0.25	0.0481	0.0028
2.6	0.35	0.0548	0.003
2.6	0.45	0.0706	0.0034
2.6	0.55	0.1106	0.0046
2.6	0.65	0.158	0.0055
2.6	0.75	0.2498	0.0078
2.6	0.84	0.3048	0.0118
2.7	-0.85	0	0
2.7	-0.75	0	0
2.7	-0.65	0.131	0.0433
2.7	-0.55	0.0336	0.0106
2.7	-0.45	0.022	0.0073
2.7	-0.35	0.0107	0.0042
2.7	-0.25	0.0098	0.0038
2.7	-0.15	0.0089	0.0026
2.7	-0.05	0.0138	0.0022
2.7	0.05	0.017	0.0022
2.7	0.15	0.0216	0.0021
2.7	0.25	0.0233	0.0021
2.7	0.35	0.0352	0.0024
2.7	0.45	0.0516	0.003
2.7	0.55	0.0802	0.004
2.7	0.65	0.1194	0.005
2.7	0.75	0.1963	0.0072
2.7	0.83	0.2617	0.0124
2.8	-0.85	0	0
2.8	-0.75	0	0
2.8	-0.65	0.1617	0.1126
2.8	-0.55	0.0289	0.016
2.8	-0.45	0.0172	0.0081
2.8	-0.35	0.01	0.0055
2.8	-0.25	0.016	0.0059
2.8	-0.15	0.0069	0.0023
2.8	-0.05	0.0092	0.0019
2.8	0.05	0.0108	0.0019
2.8	0.15	0.0108	0.0017
2.8	0.25	0.01	0.0015
2.8	0.35	0.0261	0.0021
2.8	0.45	0.0357	0.0028
2.8	0.55	0.0694	0.0037
2.8	0.65	0.105	0.0048
2.8	0.75	0.1832	0.0074
2.8	0.83	0.2172	0.0118