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ENSDF - NuDat Alejandro Sonzogni Needs and Links to ENSDF/NuDat Alejandro Sonzogni National Nuclear Data Center Brookhaven National Laboratory Upton, NY 11973-5000
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ENSDF - NuDat Alejandro Sonzogni ENSDF: Evaluated Nuclear Structure Data File Goal: to contain recommended (evaluated) nuclear structure and decay data for all known nuclei (2935) More than 40 contributors worldwide, grouped in NSDD Web: http://www.nndc.bnl.gov/ensdf NSDD: http://www-nds.iaea.org/nsdd.html Results published in Nuclear Data Sheets http://www.nndc.bnl.gov/nds
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ENSDF - NuDat Alejandro Sonzogni Level Properties: Energy Half-life Spin and Parity Decay Modes Gammas Properties: Energy Branching Ratio Multipolarity Mixing Ratio Conversion Coefficients Reduced transition probability Explicit information Derived information Level Schemes Gamma-Gamma coincidences ENSDF adopted datasets 2,376,466 Number of -coincidences 204,017 Number of ’s 140,102Number of levels 2,935Number of nuclei Contents
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ENSDF - NuDat Alejandro Sonzogni ENSDF decay datasets Q-value Parent nucleus info Proper Normalization Level Properties: Energy Half-life Spin and Parity Decay Modes Gammas Properties: Energy Branching Ratio Multipolarity Mixing Ratio Conversion Coefficients B- Properties: Average Energy Intensity Logft value Uniqueness Alphas Properties: Energy Intensity Hindrance Factor Explicit information Decay Schemes Auger, Conversion Electrons and X-ray energies and intensities. Mean Energies Detailed energy balance alpha-gamma coincidences Derived information
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ENSDF - NuDat Alejandro Sonzogni NuDat http:www.nndc.bnl.gov/nudat2
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ENSDF - NuDat Alejandro Sonzogni 26 Al +/EC decay
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ENSDF - NuDat Alejandro Sonzogni Search Capabilities coincident non-coincident Powerful tool to identify materials using Gamma rays coincidences
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ENSDF - NuDat Alejandro Sonzogni Possible Homework Identify nuclei with (possibly) incomplete decay scheme Produce up to date ENSDF evaluations and translate to ENDF format Check for missing radiation Redefine nuclei list Before experiments Evaluate new data Produce new ENSDF file Translate to ENDF format After experiments
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