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High-order harmonic generation (HHG) results from strong-field laser matter interaction and it is one of the main processes that are used to extract electron structural and dynamical information about the atomic or molecular targets with…

This letter claims that process of stimulated emission of radiation can be used to induce a fusion reaction in a HD molecule to produce Helium-3. An experimental set-up for this reaction is presented. It is proposed to study the technical…

Nuclear Experiment · Physics 2007-05-23 Michael Duren

Future fusion nuclear reactors will produce sustainable energy form the fusion of deuterium and tritium. In order to do so, the reactors will need to produce their own tritium through the neutron bombardment of lithium. Such reaction will…

Materials Science · Physics 2023-04-04 Edgar Alvarez-Galera , Jordi Marti , Ferran Mazzanti , Lluis Batet

Biochemical reactions involving three or more reactants, called higher-molecular reactions, play an important role in theoretical systems and synthetic biology. In particular, such reactions underpin a variety of important bio-dynamical…

Molecular Networks · Quantitative Biology 2021-01-05 Tomislav Plesa

We have recently proposed a new candidate for baryonic dark matter: very cold molecular gas, in near-isothermal equilibrium with the cosmic background radiation at 2.73 K. The cold gas, of quasi-primordial abundances, is condensed in a…

Astrophysics · Physics 2016-01-27 F. Combes , D. Pfenniger

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

In very high energy collisions nuclei are practically transparent to each other but produce very hot, nearly baryon-free, matter in the so-called central rapidity region. The energy in the central rapidity region comes from the kinetic…

Nuclear Theory · Physics 2017-02-01 Ming Li , Joseph I. Kapusta

A high-intensity supersonic beam source has been a key component in studies of molecular collisions, molecule-surface interaction, chemical reactions, and precision spectroscopy. However, the molecular density available for experiments in a…

Chemical Physics · Physics 2018-08-03 Hao Wu , David Reens , Tim Langen , Yuval Shagam , Daniela Fontecha , Jun Ye

We report a cryogenic buffer-gas-cell-aerodynamic-lens-stack setup that enables the generation of shock-frozen, dense, and controllable beams of various nanoparticles in the gas phase, including small and low-density species such as…

Instrumentation and Detectors · Physics 2026-04-13 Jingxuan He , Karol Długołecki , Hubertus Bromberger , Amit K. Samanta , Jochen Küpper

The physical processes behind the production of light nuclei in heavy ion collisions are unclear. The nice theoretical description of experimental yields by thermal models conflicts with the very small binding energies of the observed…

High Energy Physics - Phenomenology · Physics 2021-03-17 Kai Gallmeister , Carsten Greiner

In high energy collisions nuclei are practically transparent to each other but produce very hot, nearly baryon-free, matter in the central rapidity region. Where do the baryons go? We calculate the energy loss of the nuclei using the color…

Nuclear Theory · Physics 2019-02-20 Joseph I. Kapusta , Ming Li

While attaining external field control of bimolecular chemical reactions has long been a coveted goal of physics and chemistry, the role of hyperfine interactions and dc magnetic fields in achieving such control has remained elusive. We…

Chemical Physics · Physics 2020-02-12 Timur V. Tscherbul , Jacek Kłos

The Herschel Space Observatory's recent detections of water vapor in the cold, dense cloud L1544 allow a direct comparison between observations and chemical models for oxygen species in conditions just before star formation. We explain a…

Astrophysics of Galaxies · Physics 2015-06-18 Eric Keto , Jonathan Rawlings , Paola Caselli

The hydrogen abstraction reaction between H and H$_2$S, yielding HS and H$_2$ as products, has been studied within the framework of interstellar surface chemistry. High-temperature rate constants up to 2000 K are calculated in the gas phase…

Astrophysics of Galaxies · Physics 2017-12-07 Thanja Lamberts , Johannes Kästner

HD molecules can be an important cooling agent of the primordial gas behind the shock waves originated through mergings of the dark matter haloes at epochs when first luminous objects were to form. We study the necessary conditions for the…

Astrophysics · Physics 2009-11-11 Yu. A. Shchekinov , E. O. Vasiliev

After the recombination of Hydrogen, primordial molecules such as H_2, $HD$ can be formed.The formation of structures in the post-recombination gaseous medium is commonly explained by primordial density fluctuations. In a self-gravitating…

Astrophysics · Physics 2007-05-23 D. Puy , M. Signore

The paper investigates cold molecules formation in the photoassociation of two cold atoms by a strong laser pulse applied at short interatomic distances, which lead to a molecular dynamics taking place in the light-induced (adiabatic)…

Quantum Physics · Physics 2009-07-23 M. Vatasescu

Gas-phase complex organic molecules have been detected toward a range of high- and low-mass star-forming regions at abundances which cannot be explained by any known gas-phase chemistry. Recent laboratory experiments show that UV…

Astrophysics of Galaxies · Physics 2015-05-18 Karin I. Oberg , Sandrine Bottinelli , Jes K. Jorgensen , Ewine F. van Dishoeck

Gas-phase processes were long thought to be the key formation mechanisms for complex organic molecules in star-forming regions. However, recent experimental and theoretical evidence has cast doubt on the efficiency of such processes.…

Astrophysics · Physics 2009-11-13 Robin T. Garrod , Susanna L. Widicus Weaver , Eric Herbst

Hydrogen sulfide (H$_2$S) is thought to be efficiently formed on grain surfaces through the successive hydrogenation of S atoms. Its non-detection so far in astronomical observations of icy dust mantles thus indicates that effective…

Astrophysics of Galaxies · Physics 2023-08-17 Julia C. Santos , Harold Linnartz , Ko-Ju Chuang