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Measurement E56M4

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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 0.0523 0.0056
2 -0.55 0.0379 0.0039
2 -0.45 0.0462 0.0037
2 -0.35 0.0486 0.0039
2 -0.25 0.0509 0.0039
2 -0.15 0.0596 0.0041
2 -0.05 0.0642 0.0039
2 0.05 0.0668 0.0031
2 0.15 0.0712 0.003
2 0.25 0.0752 0.003
2 0.35 0.0844 0.0033
2 0.45 0.086 0.0032
2 0.55 0.0936 0.0033
2 0.65 0.1032 0.0036
2 0.75 0.1121 0.0038
2 0.84 0.1073 0.0055
2.1 -0.85 0 0
2.1 -0.75 0.0117 0.0042
2.1 -0.65 0.0152 0.0028
2.1 -0.55 0.0219 0.0027
2.1 -0.45 0.0301 0.0027
2.1 -0.35 0.0345 0.0028
2.1 -0.25 0.0425 0.0031
2.1 -0.15 0.0466 0.003
2.1 -0.05 0.0561 0.0035
2.1 0.05 0.0597 0.0027
2.1 0.15 0.0606 0.0025
2.1 0.25 0.0695 0.0026
2.1 0.35 0.076 0.0026
2.1 0.45 0.0894 0.0027
2.1 0.55 0.1027 0.0029
2.1 0.65 0.1231 0.0034
2.1 0.75 0.1417 0.0043
2.1 0.84 0.1459 0.0049
2.2 -0.85 0.009 0.0045
2.2 -0.75 0.0166 0.0031
2.2 -0.65 0.0164 0.0027
2.2 -0.55 0.0103 0.002
2.2 -0.45 0.0137 0.0021
2.2 -0.35 0.0237 0.0024
2.2 -0.25 0.021 0.0024
2.2 -0.15 0.0238 0.0024
2.2 -0.05 0.0294 0.0027
2.2 0.05 0.0346 0.002
2.2 0.15 0.0334 0.002
2.2 0.25 0.0386 0.0021
2.2 0.35 0.0527 0.0022
2.2 0.45 0.0678 0.0024
2.2 0.55 0.0846 0.0026
2.2 0.65 0.102 0.003
2.2 0.75 0.1106 0.0034
2.2 0.84 0.1234 0.0047
2.3 -0.85 0.0289 0.007
2.3 -0.75 0.0299 0.0032
2.3 -0.65 0.0195 0.0027
2.3 -0.55 0.0124 0.002
2.3 -0.45 0.015 0.0018
2.3 -0.35 0.0187 0.0021
2.3 -0.25 0.0212 0.002
2.3 -0.15 0.0206 0.002
2.3 -0.05 0.0201 0.0019
2.3 0.05 0.0214 0.0016
2.3 0.15 0.0274 0.0017
2.3 0.25 0.0396 0.0019
2.3 0.35 0.0513 0.0019
2.3 0.45 0.0708 0.0022
2.3 0.55 0.0927 0.0025
2.3 0.65 0.1184 0.003
2.3 0.75 0.1241 0.0032
2.3 0.84 0.1306 0.0043
2.4 -0.85 0.035 0.0054
2.4 -0.75 0.0362 0.0033
2.4 -0.65 0.0282 0.0028
2.4 -0.55 0.0194 0.0021
2.4 -0.45 0.014 0.0017
2.4 -0.35 0.0182 0.0018
2.4 -0.25 0.0134 0.0017
2.4 -0.15 0.0055 0.0016
2.4 -0.05 0.0115 0.0013
2.4 0.05 0.0134 0.0014
2.4 0.15 0.0176 0.0015
2.4 0.25 0.0296 0.0016
2.4 0.35 0.0409 0.0018
2.4 0.45 0.0627 0.002
2.4 0.55 0.0855 0.0024
2.4 0.65 0.1065 0.0029
2.4 0.75 0.1301 0.0033
2.4 0.84 0.1305 0.0043
2.5 -0.85 0.0303 0.0046
2.5 -0.75 0.0222 0.0028
2.5 -0.65 0.0193 0.0022
2.5 -0.55 0.0146 0.0017
2.5 -0.45 0.0103 0.0014
2.5 -0.35 0.0087 0.0014
2.5 -0.25 0.0067 0.0012
2.5 -0.15 0.0097 0.0014
2.5 -0.05 0.0054 0.0009
2.5 0.05 0.005 0.0009
2.5 0.15 0.0087 0.001
2.5 0.25 0.0132 0.0011
2.5 0.35 0.0244 0.0013
2.5 0.45 0.0421 0.0016
2.5 0.55 0.0622 0.002
2.5 0.65 0.0808 0.0024
2.5 0.75 0.1009 0.0028
2.5 0.84 0.111 0.0039
2.6 -0.85 0.0232 0.0044
2.6 -0.75 0.0194 0.0023
2.6 -0.65 0.0113 0.0017
2.6 -0.55 0.0056 0.0012
2.6 -0.45 0.0084 0.0011
2.6 -0.35 0.0072 0.0011
2.6 -0.25 0.0052 0.001
2.6 -0.15 0.0079 0.001
2.6 -0.05 0.0013 0.0006
2.6 0.05 0.0027 0.0006
2.6 0.15 0.0022 0.0006
2.6 0.25 0.006 0.0007
2.6 0.35 0.0125 0.0009
2.6 0.45 0.0247 0.0012
2.6 0.55 0.0412 0.0016
2.6 0.65 0.0606 0.0019
2.6 0.75 0.0773 0.0024
2.6 0.84 0.0924 0.0035
2.7 -0.85 0.0151 0.0041
2.7 -0.75 0.012 0.0021
2.7 -0.65 0.0041 0.0012
2.7 -0.55 0.0045 0.0011
2.7 -0.45 0.0046 0.0009
2.7 -0.35 0.0041 0.0008
2.7 -0.25 0.0037 0.0008
2.7 -0.15 0.0032 0.0006
2.7 -0.05 0.0023 0.0005
2.7 0.05 0.0018 0.0005
2.7 0.15 0.0013 0.0004
2.7 0.25 0.0027 0.0005
2.7 0.35 0.0068 0.0007
2.7 0.45 0.0118 0.001
2.7 0.55 0.0258 0.0014
2.7 0.65 0.0413 0.0017
2.7 0.75 0.0661 0.0024
2.7 0.83 0.0785 0.004
2.8 -0.85 0.0227 0.0051
2.8 -0.75 0.0077 0.0022
2.8 -0.65 0.0052 0.0014
2.8 -0.55 0.0025 0.0008
2.8 -0.45 0.0018 0.0006
2.8 -0.35 0.0019 0.0006
2.8 -0.25 0.0022 0.0007
2.8 -0.15 0.0029 0.0005
2.8 -0.05 0.0021 0.0004
2.8 0.05 0.0014 0.0004
2.8 0.15 0.0019 0.0004
2.8 0.25 0.0016 0.0004
2.8 0.35 0.0034 0.0006
2.8 0.45 0.0093 0.0009
2.8 0.55 0.0201 0.0013
2.8 0.65 0.0367 0.0018
2.8 0.75 0.0574 0.0026
2.8 0.83 0.077 0.0045