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Measurement E56M2

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Experiment: Differential Photoproduction Cross Sections of the Λ(1405), 2013

Spokespersons: R. A. Schumacher

Measurement comment: Final state: Lambda(1405) --> Sigma+pi-

Publication:

Quantity measured: dσ/dcos(θK+), mcbn
Differential cross section, where cos(θK+) is cosine of the K+ meson azimuthal angle in CMS.
Beam: γ, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K+ Λ(1405), polarization: none

W : 2 — 2.8 GeV

Select data slice:
W = GeV
Observable quantity measured (Y axis): dσ/dcos(θK+), mcbn
Plot measurement data

Parameter (X axis): cos(θK+),

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Measured data:

W,
GeV 		cos(θK+) dσ/dcos(θK+),
mcbn 		Data errors,
mcbn
2 -0.85 0 0
2 -0.75 0 0
2 -0.65 0.0471 0.0062
2 -0.55 0.0478 0.0053
2 -0.45 0.0683 0.0058
2 -0.35 0.0771 0.0059
2 -0.25 0.0707 0.0054
2 -0.15 0.1027 0.0067
2 -0.05 0.0893 0.0058
2 0.05 0.1074 0.0048
2 0.15 0.1214 0.0056
2 0.25 0.1304 0.0054
2 0.35 0.1198 0.0054
2 0.45 0.1219 0.0047
2 0.55 0.1124 0.0049
2 0.65 0.1174 0.0044
2 0.75 0.1082 0.0043
2 0.84 0.1111 0.0077
2.1 -0.85 0 0
2.1 -0.75 0.0927 0.0121
2.1 -0.65 0.0926 0.0071
2.1 -0.55 0.0934 0.0069
2.1 -0.45 0.0993 0.0062
2.1 -0.35 0.0936 0.0064
2.1 -0.25 0.1102 0.0063
2.1 -0.15 0.1249 0.0068
2.1 -0.05 0.142 0.0074
2.1 0.05 0.151 0.0058
2.1 0.15 0.1637 0.0056
2.1 0.25 0.1752 0.0052
2.1 0.35 0.1811 0.0057
2.1 0.45 0.1843 0.0049
2.1 0.55 0.158 0.0045
2.1 0.65 0.1371 0.0046
2.1 0.75 0.1277 0.0046
2.1 0.84 0.0919 0.0061
2.2 -0.85 0 0
2.2 -0.75 0.0766 0.0086
2.2 -0.65 0.0648 0.0066
2.2 -0.55 0.0426 0.0057
2.2 -0.45 0.0319 0.0045
2.2 -0.35 0.0274 0.0047
2.2 -0.25 0.0195 0.0042
2.2 -0.15 0.022 0.0036
2.2 -0.05 0.0349 0.0046
2.2 0.05 0.0456 0.0042
2.2 0.15 0.062 0.0039
2.2 0.25 0.0889 0.0047
2.2 0.35 0.1037 0.0043
2.2 0.45 0.1104 0.004
2.2 0.55 0.1116 0.0046
2.2 0.65 0.1133 0.0043
2.2 0.75 0.1085 0.0048
2.2 0.84 0.081 0.0049
2.3 -0.85 0.0396 0.0088
2.3 -0.75 0.0335 0.0066
2.3 -0.65 0.0203 0.0038
2.3 -0.55 0.0267 0.0032
2.3 -0.45 0.0187 0.0026
2.3 -0.35 0.0175 0.0026
2.3 -0.25 0.0086 0.0019
2.3 -0.15 0.0264 0.0026
2.3 -0.05 0.0129 0.0021
2.3 0.05 0.0273 0.0021
2.3 0.15 0.0424 0.0024
2.3 0.25 0.0507 0.0026
2.3 0.35 0.0632 0.0026
2.3 0.45 0.0699 0.0039
2.3 0.55 0.0841 0.0039
2.3 0.65 0.0953 0.0051
2.3 0.75 0.0779 0.005
2.3 0.84 0.0723 0.0069
2.4 -0.85 0.0179 0.0055
2.4 -0.75 0.0222 0.0053
2.4 -0.65 0.0092 0.0028
2.4 -0.55 0.0185 0.0033
2.4 -0.45 0.0075 0.0018
2.4 -0.35 0.0121 0.0019
2.4 -0.25 0.0073 0.0016
2.4 -0.15 0.0117 0.0019
2.4 -0.05 0.0118 0.0018
2.4 0.05 0.0148 0.0015
2.4 0.15 0.0296 0.0018
2.4 0.25 0.0327 0.002
2.4 0.35 0.0414 0.002
2.4 0.45 0.0642 0.0023
2.4 0.55 0.0726 0.003
2.4 0.65 0.0905 0.0036
2.4 0.75 0.1096 0.0043
2.4 0.84 0.0994 0.0062
2.5 -0.85 0.0197 0.0054
2.5 -0.75 0.0152 0.0035
2.5 -0.65 0.0121 0.0024
2.5 -0.55 0.0127 0.0023
2.5 -0.45 0.0083 0.0013
2.5 -0.35 0.0131 0.0018
2.5 -0.25 0.0067 0.0011
2.5 -0.15 0.0059 0.0012
2.5 -0.05 0.0061 0.001
2.5 0.05 0.0082 0.001
2.5 0.15 0.0102 0.001
2.5 0.25 0.0176 0.0011
2.5 0.35 0.023 0.0013
2.5 0.45 0.0392 0.0016
2.5 0.55 0.0529 0.0021
2.5 0.65 0.0765 0.0025
2.5 0.75 0.0913 0.003
2.5 0.84 0.1048 0.0049
2.6 -0.85 0.006 0.0028
2.6 -0.75 0.0129 0.003
2.6 -0.65 0.0068 0.0017
2.6 -0.55 0.01 0.0017
2.6 -0.45 0.009 0.0013
2.6 -0.35 0.0083 0.0013
2.6 -0.25 0.008 0.001
2.6 -0.15 0.0046 0.0008
2.6 -0.05 0.0044 0.0006
2.6 0.05 0.0036 0.0007
2.6 0.15 0.0055 0.0007
2.6 0.25 0.0099 0.0008
2.6 0.35 0.0112 0.0008
2.6 0.45 0.0255 0.0012
2.6 0.55 0.0427 0.0016
2.6 0.65 0.0649 0.002
2.6 0.75 0.0922 0.0029
2.6 0.84 0.0982 0.004
2.7 -0.85 0.0093 0.0043
2.7 -0.75 0.0074 0.0024
2.7 -0.65 0.0059 0.0016
2.7 -0.55 0.0066 0.0014
2.7 -0.45 0.0063 0.001
2.7 -0.35 0.0068 0.001
2.7 -0.25 0.007 0.0014
2.7 -0.15 0.003 0.0006
2.7 -0.05 0.003 0.0005
2.7 0.05 0.0043 0.0006
2.7 0.15 0.0038 0.0006
2.7 0.25 0.0056 0.0006
2.7 0.35 0.0057 0.0007
2.7 0.45 0.0147 0.001
2.7 0.55 0.0287 0.0014
2.7 0.65 0.048 0.0018
2.7 0.75 0.072 0.0026
2.7 0.83 0.0851 0.0048
2.8 -0.85 0.0036 0.002
2.8 -0.75 0.0113 0.0028
2.8 -0.65 0.0061 0.0021
2.8 -0.55 0.0052 0.0011
2.8 -0.45 0.0072 0.0013
2.8 -0.35 0.0042 0.0009
2.8 -0.25 0.0035 0.0008
2.8 -0.15 0.0023 0.0005
2.8 -0.05 0.0026 0.0006
2.8 0.05 0.0019 0.0004
2.8 0.15 0.0032 0.0004
2.8 0.25 0.0042 0.0005
2.8 0.35 0.0044 0.0006
2.8 0.45 0.0092 0.0008
2.8 0.55 0.019 0.0012
2.8 0.65 0.0376 0.0017
2.8 0.75 0.0724 0.0028
2.8 0.83 0.0862 0.005