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Measurement E54M5

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Experiment: Measurement of the Σ− π+ Photoproduction Line Shapes Near the Λ(1405), 2012

Spokespersons: R. A. Schumacher

Measurement comment: Low and High Photon Energy = 2.47 2.73 GeV Low, High, Mean W = 2.35 2.45 2.40 GeV Kaon angle range (cosine) = -0.60 0.88

Publication:

Quantity measured: dσ/dM, mcbn/GeV
Differential cross section, where M is invariant mass of reaction products
Beam: γ, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K+ Σ− π+, polarization: none

W : 2.35 — 2.45 GeV
Eγ : 2.47 — 2.73 GeV

Observable quantity measured (Y axis): dσ/dM, mcbn/GeV
Plot measurement data

Parameter (X axis): M, GeV

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

Measured data:

M,
GeV 		dσ/dM,
mcbn/GeV 		Data errors,
mcbn/GeV 		Full errors,
mcbn/GeV
1.3025 0 0 0
1.3075 0 0 0
1.3125 0 0 0
1.3175 0 0 0
1.3225 0 0 0
1.3275 0 0 0
1.3325 0 0 0
1.3375 0 0 0
1.3425 0.141 0.026 0.04
1.3475 0.265 0.028 0.052
1.3525 0.317 0.028 0.044
1.3575 0.369 0.027 0.072
1.3625 0.463 0.031 0.081
1.3675 0.451 0.03 0.061
1.3725 0.615 0.034 0.129
1.3775 0.612 0.034 0.066
1.3825 0.693 0.035 0.049
1.3875 0.773 0.037 0.046
1.3925 0.739 0.036 0.037
1.3975 0.797 0.037 0.038
1.4025 0.876 0.037 0.074
1.4075 0.889 0.037 0.046
1.4125 0.857 0.036 0.043
1.4175 0.76 0.035 0.045
1.4225 0.712 0.035 0.079
1.4275 0.502 0.032 0.039
1.4325 0.336 0.028 0.039
1.4375 0.295 0.026 0.027
1.4425 0.232 0.025 0.027
1.4475 0.172 0.021 0.024
1.4525 0.216 0.026 0.032
1.4575 0.2 0.024 0.029
1.4625 0.159 0.024 0.024
1.4675 0.167 0.022 0.03
1.4725 0.145 0.02 0.025
1.4775 0.121 0.019 0.019
1.4825 0.137 0.02 0.026
1.4875 0.188 0.024 0.047
1.4925 0.119 0.019 0.023
1.4975 0.137 0.021 0.031
1.5025 0.162 0.025 0.034
1.5075 0.177 0.028 0.039
1.5125 0.282 0.037 0.06
1.5175 0.166 0.038 0.039
1.5225 0.036 0.023 0.023
1.5275 0.023 0.023 0.023
1.5325 0.053 0.023 0.023
1.5375 0.04 0.015 0.016
1.5425 0.032 0.017 0.017
1.5475 0.084 0.022 0.023
1.5525 0.085 0.022 0.023
1.5575 0.045 0.019 0.019
1.5625 0.074 0.018 0.019
1.5675 0.094 0.021 0.026
1.5725 0.052 0.021 0.021
1.5775 0.112 0.022 0.03
1.5825 0.066 0.016 0.018
1.5875 0.059 0.019 0.02
1.5925 0.086 0.02 0.024
1.5975 0.094 0.027 0.03