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A current interest in nuclear reactions, specifically with rare isotopes concentrates on their reaction with neutrons, in particular neutron capture. In order to facilitate reactions with neutrons one must use indirect methods using…

Nuclear Theory · Physics 2015-06-11 Ch. Elster , L. Hlophe

We study binary and the recently discovered process of ternary He-assisted recombination of H3+ ions with electrons in a low temperature afterglow plasma. The experiments are carried out over a broad range of pressures and temperatures of…

Context. Radical chemical reactions on cosmic dust grains play a crucial role in forming various chemical species. Among different radicals, the hydroxyl (OH) is one of the most important ones, with a rather specific chemistry. Aims. The…

Astrophysics of Galaxies · Physics 2025-05-07 Jan Poštulka , Petr Slavíček , Johannes Kästner , Germán Molpeceres

We extend our theory of electron--hole recombination in organic light emitting diodes to investigate the possibility that high energy singlet and triplet excited states with large electron--hole separations are generated in such processes,…

Strongly Correlated Electrons · Physics 2007-05-23 Mousumi Das , S. Mazumdar , S. Ramasesha

Background: The calculation of the hyperon binding energy in hypernuclei is crucial to understanding the interaction between hyperons and nucleons. Purpose: We assess the relative importance of two- and three-body hyperon-nucleon force by…

Nuclear Theory · Physics 2013-12-16 D. Lonardoni , S. Gandolfi , F. Pederiva

The formal theory of breakup reactions is reviewed. The direct breakup mechanism which is formulated within the framework of the post form distorted wave Born approximation is discussed in detail. In this theory, which requires the…

Nuclear Theory · Physics 2007-05-23 R. Shyam , R. Chatterjee

Recent results connected to nuclear collision dynamics, from low up to relativistic energies, are reviewed. Heavy ion reactions offer the unique opportunity to probe the complex nuclear many-body dynamics and to explore, in laboratory…

Nuclear Theory · Physics 2020-07-15 Maria Colonna

To establish the Higgs mechanism {\it sui generis} experimentally, the Higgs self-interaction potential must be reconstructed. This task requires the measurement of the trilinear and quadrilinear self-couplings, as predicted in the Standard…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Djouadi , W. Kilian , M. Muhlleitner , P. M. Zerwas

Radical recombination has been proposed to lead to the formation of complex organic molecules (COMs) in CO-rich ices in the early stages of star formation. These COMs can then undergo hydrogen addition and abstraction reactions leading to a…

Astrophysics of Galaxies · Physics 2018-06-07 S. Álvarez-Barcia , P. Russ , J. Kästner , T. Lamberts

The 3-body recombination rate at threshold for distinguishable atoms with large negative pair scattering lengths is calculated in the zero-range approximation. The only parameters in this limit are the 3 scattering lengths and the Efimov…

Other Condensed Matter · Physics 2013-05-29 Eric Braaten , H. -W. Hammer , Daekyoung Kang , Lucas Platter

Motivated by recent experiments we derive an exact expression for the correlation function entering the three-body recombination rate for a one-dimensional gas of interacting bosons. The answer, given in terms of two thermodynamic…

Other Condensed Matter · Physics 2009-11-11 Vadim V. Cheianov , H. Smith , M. B. Zvonarev

The fusion reaction of a halo nucleus 11Be on 208Pb is described by a three-body direct reaction model. A time-dependent wave packet approach is applied to a three-body reaction problem. The wave packet approach enables us to obtain…

Nuclear Theory · Physics 2009-11-10 Kazuhiro Yabana , Manabu Ueda , Takashi Nakatsukasa

The astrophysical S-factor and reaction rate of the direct capture process $\alpha+d$ $\rightarrow$ $^6$Li + $\gamma$, as well as the abundance of the $^6$Li element are estimated in a three-body model. The initial state is factorized into…

Nuclear Theory · Physics 2018-11-28 E. M. Tursunov , S. A. Turakulov , A. S. Kadyrov , I. Bray

In many organisms, homologous (or repetitive) chromosomal regions can associate or/and undergo concerted epigenetic changes in the absence of DNA breakage and recombination. The direct specific pairing of DNA duplexes with similar…

Biomolecules · Quantitative Biology 2022-10-26 Alexey K. Mazur , Eugene Gladyshev

Myoglobin modulates the binding of diatomic molecules to its heme group via hydrogen-bonding and steric interactions with neighboring residues, and is an important benchmark for computational studies of biomolecules. We have performed…

Chemical Physics · Physics 2013-05-24 Daniel J. Cole , David D. O'Regan , Mike C. Payne

For atoms embedded in dense plasma, the plasma screening effects will greatly alter their structure and dynamics, and then determine the radiation transport properties of the plasma. In the present work, a new statistical model is proposed…

Plasma Physics · Physics 2020-11-25 Fuyang Zhou , Yizhi Qu , Junwen Gao , Yulong Ma , Yong Wu , Jianguo Wang

We show that collective three-body interactions (3BIs), implementable with $N$ atoms loaded inside an optical cavity, offer a significant advantage for preparing complex multipartite entangled states. Firstly, they enable a speedup of order…

Ultracold collisions of neutral atoms and molecules have been of great interest since experimental advances enabled the cooling and trapping of such species. This study is a theoretical investigation of a low-energy collision between an…

Atomic Physics · Physics 2025-11-25 Ahmed A. Elkamshishy , Chris H. Greene

We discuss theoretically ion-atom collisions at low energy and predict the possibility of formation of cold molecular ion by photoassociation. We present results on radiative homo- and hetero-nuclear atom-ion cold collisions that reveal…

Atomic Physics · Physics 2011-09-06 Arpita Rakshit , Bimalendu Deb

We calculate the electron recombination rates with target ions W$^{q+}$, $q = 18$ -- $25$, as functions of electron energy and electron temperature (i.e. the rates integrated over the Maxwellian velocity distribution). Comparison with…

Atomic Physics · Physics 2017-06-28 C. Harabati , J. C. Berengut , V. V. Flambaum , V. A. Dzuba