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Related papers: Thermonuclear burn-up in deuterated methane $CD_4$

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The methyl groups in hexamethylbenzene C$_6$(CH$_3$)$_6$ become magnetically ordered at the molecular level below 118 K. This is also near the temperature at which the system structurally transitions from triclinic to a unique near-cubic…

Strongly Correlated Electrons · Physics 2018-12-07 Fei Yen

Influences of reaction zone thickening and local extinctions on the burning rate of extremely turbulent hydrogen-enriched methane-air flames are investigated using simultaneous planar laser-induced fluorescence of formaldehyde molecule and…

Fluid Dynamics · Physics 2020-12-01 Sajjad Mohammadnejad , Qiang An , Patrizio Vena , Sean Yun , Sina Kheirkhah

The three--nucleon scattering problem in a nuclear medium is considered within the Faddeev technique. In particular the deuteron break--up cross section that governs the formation and the break--up reactions of deuterons (NNN <-> Nd) in a…

Nuclear Theory · Physics 2009-10-30 M. Beyer , G. Röpke , A. Sedrakian

Deuteron-deuteron elastic scattering and transfer reactions in the energy regime above four-nucleon breakup threshold are described by solving exact four-particle equations for transition operators. Several realistic nuclear interaction…

Nuclear Theory · Physics 2015-02-09 A. Deltuva , A. C. Fonseca

We consider the physics of neutrinos in a fireball, i.e. a tightly coupled plasma of photons, positrons and electrons. Such a fireball is believed to form in the first stages of a gamma-ray burst. We assume the fireball is…

Astrophysics · Physics 2007-05-23 Hylke B. J. Koers , Ralph A. M. J. Wijers

Muon catalyzed fusion in deuterium has traditionally been studied in gaseous and liquid targets. The TRIUMF solid-hydrogen-layer target system has been used to study the fusion reaction rates in the solid phase of D_2 at a target…

Central nucleon-nucleon potentials involving forbidden states are obtained for the Gaussian, exponential, and Yukawa type. The parameters of interaction are obtained by fitting the scattering phase shifts for energies up to 500 MeV,…

Nuclear Theory · Physics 2007-05-23 S. B. Dubovichenko

We examine a potential role of the neutrino deuteron reactions in the mechanism of supernova explosion by evaluating the energy transfer cross section for the neutrino heating. We calculate the energy loss rate due to the neutrino…

Nuclear Theory · Physics 2009-11-06 S. X. Nakamura , K. Sumiyoshi , T. Sato

Ten high resolution Fourier transform spectra of the pentad region near 3.3 {\mu}m of methane diluted in carbon dioxide at total pressures up to 800 hPa have been recorded at 296.5(5) K. Including a high resolution spectrum of pure methane…

Chemical Physics · Physics 2026-01-22 Thibault Bertin , Jean Vander Auwera

We have used a realistic nuclear potential, AV18, and a many body technique, the lowest order constraint variational (LOCV) approach, to calculate the properties of hot magnetized nuclear matter. By investigating the free energy, spin…

Nuclear Theory · Physics 2017-03-02 Z. Rezaei , G. H. Bordbar

This work defines density factor as the ratio of before ignition density to after ignition density of the ignition mixture. This work provides an estimation method for explosive limits of various fuels under room temperature and pressure by…

Chemical Physics · Physics 2017-01-23 Ali M. Nassimi , Mohammad Jafari , Hossein Farrokhpour , Mohammad H. Keshavarz

The values of the nucleation parameter, k, for bubble nucleation induced by high energy heavy ions 12C (180 MeV/u), 20Ne (400 MeV/u) and 28Si (350 MeV/u) in superheated emulsion detector are determined by comparing the experimentally…

Instrumentation and Detectors · Physics 2013-06-04 Susnata Seth , Mala Das , Sudeb Bhattacharya , Pijushpani Bhattacharjee , Satyajit Saha

We review aspects of the hydrodynamical combustion of nuclear matter to strange quark matter in a neutron star. Numerical studies on non-premixed combustion that consistently include hydrodynamical flows in a reactive-diffusive setup show…

High Energy Astrophysical Phenomena · Physics 2013-07-08 Rachid Ouyed , Brian Niebergal , Prashanth Jaikumar

The adsorption/desorption of ethene (C2H4), also commonly known as ethylene, on Fe3O4(001) was studied under ultrahigh vacuum conditions using temperature programmed desorption (TPD), scanning tunneling microscopy, x-ray photoelectron…

The effect of pressure on the thermal expansion of solid CH$_4$ is calculated for the low temperature region where the contributions from phonons and librons can be neglected and only the rotational tunnelling modes are essential. The…

Materials Science · Physics 2020-03-18 Yu. A. Freiman , V. V. Vengerovsky , Alexander F. Goncharov

At the initial stage, the development of wave reactors, which will operate in the mode of wave nuclear burning (WNC), requires the study of the kinetics of the WNC fuel mode when changing both external parameters (flux density of an…

Nuclear Theory · Physics 2020-01-14 A. O. Kakaev , V. O. Tarasov , S. A. Chernezhenko , V. O. Sova , V. D. Rusov

We find that at redshifts z > 10, HD line cooling allows strongly-shocked primordial gas to cool to the temperature of the cosmic microwave background (CMB). This temperature is the minimum value attainable via radiative cooling. Provided…

Astrophysics · Physics 2014-10-13 Jarrett L. Johnson , Volker Bromm

TbFe$_{2}$D$_{4.2}$ deuteride crystallizes in a monoclinic structure ($Pc$ space group) with deuterium inserted into 13 [Tb$_{2}$Fe$_{2}$] and 5 [TbFe$_{3}$] tetrahedral interstitial sites. Its structural evolution versus temperature has…

Materials Science · Physics 2026-03-18 V. Paul-Boncour , O. Isnard

Recent observations show that the thermal X-ray spectra of many isolated neutron stars are featureless and in some cases (e.g., RX J1856.5-3754) well fit by a blackbody. Such a perfect blackbody spectrum is puzzling since radiative…

Astrophysics · Physics 2009-11-10 Matthew van Adelsberg , Dong Lai , Alexander Y. Potekhin , Phil Arras

We argue that the radiative energy loss of a parton traversing the quark-gluon plasma is determined by Landau damping of soft modes in the plasma. Using this idea, we calculate the jet quenching parameter of a gluon. The calculation is done…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Antonov , H. -J. Pirner