nuclear decay
Evidence against solar influence on nuclear decay constants
... of decay constants at permille level has been tested and ...exponential nuclear decay curves were inspected for annual ...exponential decay curve differ from one data set to another and are ...
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Lessons Learned From Nuclear Decay Data Measurements in the European Metrology Research Programme ‘Metro Fission’
... Beta spectrometry by means of a cryogenic detector is a novel technique that needed extensive testing to become operable. One of the problems encountered during the experiments was the dependence of the spectral ...
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Lessons learned from nuclear decay data measurements in the european metrology research programme 'MetroFission' (June 2013)
... Upon the difficulties encountered with dried drop-deposited sources, several 63 Ni sources were made by electroplating on gold and silver foils, yielding metallic Ni deposits. Energy loss by creation of electron-hole ...
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Construction of beta spectrum on the basis of experimental nuclear decay data
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
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On decay constants and orbital distance to the Sun. Part I: alpha decay
... various decay constants under different physical and chemical ...Different decay modes were investigated, including α, β − , β + and EC ...nential nuclear decay curves were inspected for ...
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Dissemination and visualisation of reference decay data from Decay Data Evaluation Project (DDEP)
... reference nuclear decay data for users in many fields such as nuclear medicine, reactor monitoring and shielding, spectrometry, environmental studies, ...
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Investigating Shakeoff Process in Precise Correlation Measurements in Nuclear β Decay
... 2 GANIL, CEA/DSM-CNRS/IN2P3, Bd Henri Becquerel, 14000 Caen, France 3 Université de Bordeaux - CNRS - CEA, CELIA, UMR5107, F-33405 Talence, France lienard@lpccaen.in2p3.fr Abstract. Precise measurements of correlations ...
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On decay constants and orbital distance to the Sun—part I: alpha decay
... various decay constants under different physical and chemical ...Different decay modes were investigated, including α, β − , β + and EC ...nential nuclear decay curves were inspected for ...
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Designing wood roofs to prevent decay
... If a vapour barrier is placed on the under side of a mill deck. it is unlikely that it will touch the surface everywhere and air spaces will probably occur. These can act as an insulating layer and permit the vapour ...
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Coherent decay of Bose-Einstein condensates
... collective decay of the assembly as a ...coherent decay into collective phonon excitations of a collapsing ground ...unique decay rate dependencies on both the scattering length and the density can ...
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Capture and decay of electroweak WIMPonium
... . (3.32) for the spin-triplet s-wave states. In principle, one could hope to detect an energetic, monochromatic photon line from the bound state’s annihilation to γγ or γZ. However, only the L + S -even bound states have ...
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Decay of First-Year Sea Ice
... the decay process, the ice developed a salinity profile distinctly different from the “C” shaped profile that typically characterizes cold, first year sea ice (higher salinity in the upper and lower parts of the ...
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Detailed $\beta$-decay study of 32Ar
... Cl to reproduce the coefficient of the cubic term is 73 keV for an average of the matrix elements for the three interactions. The level at 4985(5) keV identified from our γp coincidence data fulfils the energy ...
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Evaluating Design Decay during Software Evolution
... 36 3.1.3 Step 3: Design Diagram Matching Given two subsequent design versions and the names of renamed classes, we now use a bit-vector algorithm [13] to match the two design versions to each other. We summarise our ...
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Correlation Decay in Random Decision Networks
... correlation decay property, our algorithm finds a near optimal solution with high ...correlation decay property and we have proposed general purpose techniques, such as the coupling technique, which we used ...
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The transient distributions of nuclear weapon-generated tritium and its decay product $^3$He in the Mediterranean Sea, 1952–2011, and their oceanographic potential
... Fig. 5. As Fig. 4, but Meteor 84/3, 2011, left WMed, right EMed. below it (see remark on TDW outflow in Sect. 2). At the northern section (Fig. 4, right), the deep-water tritium con- centrations are slightly lower ...
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Constraints Imposed on International Nuclear Trade by Nuclear Export Control Regimes
... At each plenary Participating States have to notify approved transfers to India of trigger list items (not dual-use) Participating States could also inform the others Participating States of their bilateral ...
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On decay constants and orbital distance to the Sun. Part III: beta plus and electron capture decay
... It has to be recognised that all long-term measurements are vulnerable to instrumental instabilities, which have to be taken into account in the interpretation of observations of auto- correlations in residuals to the ...
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General view on nuclear fission
... For calculating the isomeric yields, once the angular-momentum popula- tion of the fragments is given, the de-excitation cascade by neutron evapo- ration and gamma emission should be calculated with full knowledge of ...
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Sharp decay estimates for critical Dirac equations
... SHARP DECAY ESTIMATES FOR CRITICAL DIRAC EQUATIONS WILLIAM BORRELLI AND RUPERT ...pointwise decay estimates for critical Dirac equations on R n with n > ...
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