Results 71 to 80 of about 33,962 (221)

Comparative analysis of multi-nuclide spectrum recognition methods based on neural network

Nuclear Engineering and Technology
To address the limitations of traditional peak-finding approaches in complex radiation environments, this paper conducts a systematic comparative analysis of multi-nuclide energy spectrum recognition technology based on neural network methods.
Fei Li, Shuang Qi, Zehan Li, Haoran Cao, Shuting Yang, Jun Liu, Chundi Fan   +6 more
doaj   +1 more source

VRF (“Visual RobFit”) — nuclear spectral analysis with non-linear full-spectrum nuclide shape fitting

EPJ Web of Conferences, 2017
A new application (known as “VRF”, or “Visual RobFit”) for analysis of high-resolution gamma-ray spectra has been developed using non-linear fitting techniques to fit full-spectrum nuclide shapes.
Lasche George, Coldwell Robert, Metzger Robert   +2 more
doaj   +1 more source

The synthesis of the light Mo and Ru isotopes: how now, no need for an exotic solution ? [PDF]

, 2000
The most detailed calculations of the p-process call for its development in the O/Ne layers of Type II supernovae. In spite of their overall success in reproducing the solar system content of p-nuclides, they suggest a significant underproduction of the ...
Arnould, M., Costa, V., Rayet, M., Zappalà, R. A.   +3 more
core   +1 more source

Refining the timing of Middle Pleistocene (MIS 12 to MIS 6) ice advances into northern central Europe: sedimentological analysis and single‐grain luminescence dating of glaciotectonic complexes and tunnel‐valley fills

Boreas, EarlyView.
We summarize the current state of knowledge on the age of the Middle Pleistocene ice advances into northern central Europe and provide 25 new single‐grain feldspar luminescence ages of Elsterian and Saalian glacigenic sediments to constrain the age of the ice advances and their tentative correlation with marine isotope stages/substages.
Niklas von Soest, Neda Rahimzadeh, Debra Colarossi, Falko Malis, Tobias Lauer, Wera Sander‐Beuermann, Yvonne Spychala, Christian Brandes, Runa Fälber, Sumiko Tsukamoto, Jutta Winsemann   +10 more
wiley   +1 more source

Mass measurements near the $r$-process path using the Canadian Penning Trap mass spectrometer

, 2012
The masses of 40 neutron-rich nuclides from Z = 51 to 64 were measured at an average precision of $\delta m/m= 10^{-7}$ using the Canadian Penning Trap mass spectrometer at Argonne National Laboratory. The measurements, of fission fragments from a $^{252}
A. Chaudhuri, A. F. Levand, B. J. Zabransky, D. Lascar, E. Sugarbaker, G. Li, G. Savard, I. F. Barchuk, J. A. Clark, J. Fallis, J. P. Greene, J. Van Schelt, K. S. Sharma, K.-L. Kratz, M. G. Sternberg, M. Shibata, M. W. Chase, S. Caldwell, T. Sun, U. Keyser   +19 more
core   +1 more source

Initial study of regolith exposure ages and burial conditions on Ryugu: Cosmogenic nuclides score in two touchdowns

Meteoritics &Planetary Science, EarlyView.
Abstract Surface processes on the asteroid Ryugu have been investigated using cosmic‐ray‐produced radionuclides, 10Be, 26Al, and 36Cl, and stable noble gases, on eight samples returned by the Hayabusa2 spacecraft. The 10Be and 26Al along with 21Ne measurements indicate that the two Chamber A samples A0105 collected during the first touchdown (TD) were ...
Kunihiko Nishiizumi, Keisuke Nagao, Marc W. Caffee, Ryuji Okazaki, Jozef Masarik, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, Hiroshi Naraoka, Hikaru Yabuta, Kanako Sakamoto, Kasumi Yogata, Toru Yada, Shogo Tachibana, Sei‐ichiro Watanabe, Yuichi Tsuda, Masanao Abe, Kazuya Kumagai, Akiko Miyazaki, Aiko Nakato, Satoru Nakazawa, Masahiro Nishimura, Tatsuaki Okada, Takanao Saiki, Hirotaka Sawada, Satoshi Tanaka, Tomohiro Usui, Koji Wada, Hajime Yano, Makoto Yoshikawa, Hayabusa2 Initial Analysis Volatile Team   +30 more
wiley   +1 more source

Design and Implementation of On-line Detection Software for Radioisotope Separation

Journal of Isotopes
The importance of radioisotopes in modern nuclear medicine is becoming more and more significant. It is imperative to speed up independent research and development and get rid of the plight of relying on imports of radioisotopes.
ZENG Xiong1, SHI Rui1, , WANG Zhou1, LIU Minjun1, WANG Bo1, LI Bo2, HU Yingjiang2
doaj   +1 more source

Determination of the specific radioactivity of fatty acids separated as their methyl esters by gas–liquid chromatography

Journal of Lipid Research, 1971
Free or combined 3H-labeled fatty acids are converted to their methyl-14C esters or, if labeled with 14C, to their methyl-3H esters. For a given specific radioactivity of the methyl group, the nuclide ratio in the esters separated by GLC is a direct ...
C. Bishop, R.F. Glascock, Elizabeth M. Newell, V.A. Welch   +3 more
doaj   +1 more source

Evaluated Experimental Isobaric Analogue States from $T = 1/2$ to $T = 3$ and associated IMME coefficients

, 2014
Isobaric multiplets can be used to provide reliable mass predictions through the Isobaric Multiplet Mass Equation (IMME). Isobaric analogue states (IAS) for isospin multiplets from $T=1/2$ to $T=3$ have been studied within the 2012 Atomic Mass Evaluation
Audi, G., MacCormick, M.
core   +5 more sources

Radiogenic power and geoneutrino luminosity of the Earth and other terrestrial bodies through time

, 2020
We report the Earth's rate of radiogenic heat production and (anti)neutrino luminosity from geologically relevant short-lived radionuclides (SLR) and long-lived radionuclides (LLR) using decay constants from the geological community, updated nuclear ...
Enomoto S., Izidoro A., Kruijer T. S., McDonough W. F., McDonough W. F., Sato J., Wipperfurth S. A.   +6 more
core   +1 more source