نتایج جستجو برای: radioactive decay

تعداد نتایج: 93363  

Journal: :Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 2017

Journal: :Physics of Particles and Nuclei Letters 2023

Setup fitting the requirements for detailed study of five-body decay 7H nucleus obtained as a result proton transfer from 8He projectiles to deuterium target nuclei is being built at radioactive beam line ACCULINNA-2 separator in G.N. Flerov Laboratory Nuclear Reactions. Described here assembly 100 BC-404 plastic scintillators, intended neutron detection, annular Si detector telescope 3He recoi...

2013

Uranium is an alpha-emitting, radioactive, heavy metal that occurs naturally in nearly all rocks and soils. Twenty-two isotopic forms of uranium have been identified, mainly associated with nuclear reactor operations or high-energy physics experiments; the most prevalent isotopes found in the environment are the three naturally-occurring isotopes: U, U, and U. Most uranium isotopes undergo deca...

Gholamreza Farshidfar Reza Najafi Soraya Shahhosseini,

There is no organometalic compound of Indium known to exist naturally in the human body. However, a number of compounds prepared with ¹¹¹In have been evaluated for localization studies. The useful radioactive decay characteristics and the suitable chemical properties of the metal ion have drawn attention of many investigators resulting in the preparation of numerous ¹¹¹In labeled compound...

2018
Elizabeth M. Pontedeiro Paulo F. Heilbron Jesus Perez-Guerrero Jian Su Martinus Th. van Genuchten

In September 1987 an accident occurred with a cesium chloride (CsCl) teletherapy source taken from a cancer therapy institute in Goiânia, Brazil. Misuse of the abandoned source caused widespread contamination of radioactive material (about 50 TBq of Cs) in the town of Goiânia. Decontamination of affected areas did lead to about 3,500 m of solid radioactive wastes, which were disposed in two nea...

Journal: :Biochemical and biophysical research communications 1979
S S Sommer N A Rin

A general program was written which simulates radioactive labeling of RNA in viva. The program was used to determine the effect that different -distributions of half-lives would have on the composite decay curve observed in a pulse-chase experiment. Four biologically relevant points emerge: 1) The published, experimentally determined composite decay curves for eukaryotic mRNA are not compatible...

2009
Claire Thomas

This report presents my work for Double Chooz at MIT during the 2009 Summer REU program, funded by Columbia University. Double Chooz is a reactor neutrino experiment that aims to measure the mixing parameter θ13. The experiment detects electron antineutrinos via inverse beta decay. Neutrons and light nuclei made in muon spallation are a major background to the experiment. The delayed neutron em...

Journal: :The Proceedings of the Nutrition Society 1959
J M LENIHAN

Radiation hazards have been known for more than 60 years. Only a few months after Rontgen’s discovery in I 895, enthusiasts were burning themselves and their patients by liberal applications of the new X-rays. Soon the dangers of X-rays and radium became all too obvious, or so it seems to us. At the time, few people were much alarmed and no effective measures of control were organized until abo...

Journal: :iranian journal of nuclear medicine 2000
soraya shahhosseini gholamreza farshidfar reza najafi

there is no organometalic compound of indium known to exist naturally in the human body. however, a number of compounds prepared with ¹¹¹in have been evaluated for localization studies. the useful radioactive decay characteristics and the suitable chemical properties of the metal ion have drawn attention of many investigators resulting in the preparation of numerous ¹¹¹in labeled compounds for ...

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