We revisit calculations of the cosmogenic production rates for several long-lived isotopes that are potential sources of background in searching for rare physics processes such as the detection of dark matter and neutrinoless double-beta decay. Using updated cosmic-ray neutron flux measurements, we use TALYS 1.0 to investigate the cosmogenic activation of stable isotopes of several detector tar...

Cyclotrons are the primary tool for producing the shorter-lived proton-rich radio-isotopes currently used in the biosciences. Although the primary use of the cyclotron produced short-lived radio-isotopes is in PET/CT and SPECT diagnostic medical procedures, cyclotrons are also producing longer-lived isotopes for therapeutic procedures. Commercial suppliers are responding by providing a range of...

Stable isotopes have proved to be a transformative tool; their application to distinguish between two sources in a mixture has been a cornerstone of biogeochemical research. However, quantitatively partitioning systems using two stable isotopes (for example, (13)C and (12)C) has been largely limited to only two sources, and systems of interest often have more than two components, with interacti...

The source of cement in oilfields is critical to the prediction of the distribution of cements in the reservoirs and also prediction of reservoir quality. The source of mineral forming cements has been determined for the Storrington oolitic carbonate reservoir (Middle Jurassic Great Oolite Formation, Weald Basin, onshore UK) using a combination of petrography, electron microscopy, fluid inclusi...

Background: The thyroid gland absorbs nearly all the iodine in the blood, independently of its isotopic composition. When a large enough activity of radioactive iodine like 131I, 132I, 133I is taken into the body, it can destroy the healthy thyroid gland cells as well as the cancer’s cells. In fact, as it is well known, some isotopes of iodine are used not only for acquiring thyroid image...

A range of isotopic methods (using radioactive and stable isotopes) have been used to investigate groundwater processes and to determine the sources and pathways for groundwater contamination. Methods using stable isotopes of nitrogen have been applied in a variety of Australian and international groundwater studies. Isotopic methods have involved either application of tracer isotopes or studyi...

Shell model calculations have been done for a few valence particle and hole isotopes of Sn above 100Sn and below 132Sn cores using a CD-Bonn potential based interaction. A few matrix elements of this realistic interaction have been modified by using experimental data of the two valence neutron Sn isotope above 100Sn. Calculations with this modified interaction reproduces the enhanced B(E2,0+ → ...

this paper gives an account of the implementation of geomorphological, hydrogeological, hydrochemical and isotopic techniques to understand groundwater-surface water interactions in a multiple use area, los padres-la brava corridor (se of buenos aires province, argentina). the isophreatic map reveals a regional flow from the sw to ne sector, and allowed us to define the effluent-influent behav...

In the present paper we will focuse on the problematic of comogenics isotopes, in particular Li-9 and He-8, which are produced by muons interactions with the carbon target contained in the liquid scintillator. The study of this kind of isotopes has a major role in reactor neutrino experiments because their ability to mimic the detection reaction. We will discuss the physics porcess which domina...

We investigate the possibility of forming Li+Yb ultracold molecules by magnetoassociation in mixtures of ultracold atoms. We find that magnetically tunable Feshbach resonances exist, but are extremely narrow for even-mass ytterbium isotopes, which all have zero spin. For odd-mass Yb isotopes, however, there is a new mechanism due to hyperfine coupling between the electron spin and the Yb nuclea...