نتایج جستجو برای: atomic population transfer

تعداد نتایج: 1060735  

2005
Anh-Thu Le C. D. Lin

The results of diabatic hyperspherical close-coupling calculations are presented for the charge exchange of a negative muon from muonic hydrogen to oxygen and nitrogen for collision energies from 10−3 to 103 eV. It is shown that converged results can be obtained using a much smaller number of channels than in the traditional adiabatic approach. For the energy range below 10 eV our results for n...

Journal: :Nucleic acids research 1975
G J Quigley N C Seeman A H Wang F L Suddath A Rich

The atomic coordinates of yeast phenylalanine transfer RNA (tRNA) as well as the torsion angles of the polynucleotide chain are presented as derived from an x-ray diffraction analysis of orthorhombic crystals. A comparison is made between the coordinates obtained from analysis of monoclinic crystals of the same material. It is concluded that the molecule has substantially the same form in the o...

Journal: :Physical review letters 1995
Latka West

Comment on " Nature of Quantum Localization in Atomic Momentum Transfer Experiments " In a recent Letter, Latka and West [1] claim that quantum suppression of atomic momentum transfer seen in recent experiments [2] is not due to dynamical localization (DL). We contend that their arguments proceed from a misunderstanding of both DL as well as aspects of the experiment. This is compounded by erro...

2014
Yuri Georgievskii Alexei A. Stuchebrukhov

Articles you may be interested in Quantum and dynamical effects of proton donor-acceptor vibrational motion in nonadiabatic proton-coupled electron transfer reactions Predictions of rate constants and estimates for tunneling splittings of concerted proton transfer in small cyclic water clusters Tunneling currents in long-distance electron transfer reactions. IV. Many-electron formulation. Nonor...

Journal: :Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry 1963

, داود پورمحمد, ,

Nµ/Ne, muon to electron population ratio in extensive air showers at high altitudes has been shown to be a suitable estimator of primary cosmic rays mass composition. This study is based on simulated extensive air showers. The Nµ/Ne ratio has been obtained in 100 depths from the top of the atmosphere to the sea level for different primary particle masses and energies. An empirical relation bet...

Journal: :Theoretical Chemistry Accounts 2021

The ligands at the surface of a gold nanoparticle (GNP) have significant influence on optical and physical properties, that may render different functionalities to GNP. Therefore, there is need in understanding nature interaction atomic resolution order allow rational design GNPs with desired physico-chemical properties. between Au $$_{79}$$ series small organic molecules has been systematicall...

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