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Related papers: Isotopic replacement in ionic systems: the 4He2+ +…

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The exclusive process ^3He(e,e^\prime p)^2H has been analyzed using realistic few-body wave functions corresponding to the AV18 interaction and treating the final state interaction (FSI) within the Eikonal Approximation to describe the…

Nuclear Theory · Physics 2008-11-26 C. Ciofi degli Atti , L. P. Kaptari

Accurate quantum mechanics based predictions of property trends are so important for materials design and discovery that even inexpensive approximate methods are valuable. We use the Alchemical Integral Transform (AIT) to study…

Chemical Physics · Physics 2024-09-16 Simon León Krug , O. Anatole von Lilienfeld

Quantum reactive scattering calculations for the hydrogen exchange reaction H + H$_2$($v=4$, $j=0$) $\to$ H + H$_2$($v'$, $j'$) and its isotopic analogues are reported for ultracold collision energies. Due to the unique properties…

Chemical Physics · Physics 2015-10-14 Brian K. Kendrick , Jisha Hazra , Naduvalath Balakrishnan

Stark transitions and induced annihilation of antiproton in the collisions of antiprotonic helium ions (\bar{p}He^{+2})_{nl} with He atoms at very low energy (~ 10 K) are considered in the framework of quantum coupled-channels method taking…

Nuclear Theory · Physics 2007-11-29 G. Ya. Korenman , S. N. Yudin

A classical approach based on hyperspherical coordinates is used to derive a first principle formulation of the the ion-neutral-neutral three-body recombination rate, A$^+$ + A + A $\rightarrow$ $\text{A}_2^+$ + A, in terms of the mass of…

Atomic Physics · Physics 2018-12-19 Jesús Pérez-Ríos , Chris H. Greene

The nuclear $(n;t)-$reaction of the three-electron ${}^{6}$Li atom with thermal/slow neutrons is considered. An effective method has been developed for determining the probabilities of formation of various atoms and ions in different bound…

Atomic Physics · Physics 2013-04-17 Alexei M. Frolov , David M. Wardlaw

An exclusive measurement of the dd -> 3He n \pi 0 reaction was carried at a beam momentum of p = 1.2 GeV/c using the WASA-at-COSY facility. For the first time data on the total cross section as well as differential distributions were…

Nuclear Experiment · Physics 2016-08-11 COSY Collaboration , P. Adlarson , W. Augustyniak , W. Bardan , M. Bashkanov , F. S. Bergmann , M. Berłowski , H. Bhatt , M. Büscher , H. Calén , I. Ciepał , H. Clement , D. Coderre , E. Czerwiński , K. Demmich , E. Doroshkevich , R. Engels , W. Erven , W. Eyrich , P. Fedorets , K. Föhl , K. Fransson , F. Goldenbaum , P. Goslawski , A. Goswami , K. Grigoryev , C. --O. Gullström , C. Hanhart , F. Hauenstein , L. Heijkenskjöld , V. Hejny , F. Hinterberger , M. Hodana , B. Höistad , A. Jany , B. R. Jany , L. Jarczyk , T. Johansson , B. Kamys , G. Kemmerling , F. A. Khan , A. Khoukaz , D. A. Kirillov , S. Kistryn , J. Klaja , H. Kleines , B. Kłos , M. Krapp , W. Krzemień , P. Kulessa , A. Kupść , K. Lalwani , D. Lersch , L. Li , B. Lorentz , A. Magiera , R. Maier , P. Marciniewski , B. Mariański , M. Mikirtychiants , H. --P. Morsch , P. Moskal , B. K. Nandi , H. Ohm , I. Ozerianska , E. Perez del Rio , N. M. Piskunov , P. Pluciński , P. Podkopał , D. Prasuhn , A. Pricking , D. Pszczel , K. Pysz , A. Pyszniak , C. F. Redmer , J. Ritman , A. Roy , Z. Rudy , S. Sawant , A. Schmidt , S. Schadmand , T. Sefzick , V. Serdyuk , N. Shah , M. Siemaszko , R. Siudak , T. Skorodko , M. Skurzok , J. Smyrski , V. Sopov , R. Stassen , J. Stepaniak , E. Stephan , G. Sterzenbach , H. Stockhorst , H. Ströher , A. Szczurek , T. Tolba , A. Trzciński , R. Varma , G. J. Wagner , W. Węglorz , M. Wolke , A. Wrońska , P. Wüstner , P. Wurm , A. Yamamoto , X. Yuan , J. Zabierowski , C. Zheng , M. J. Zieliński , W. Zipper , J. Złomańczuk , P. Żuprański , M. Żurek

We report on the observation of cold collisions between $^6$Li atoms and Yb$^+$ ions. This combination of species has recently been proposed as the most suitable for reaching the quantum limit in hybrid atom-ion systems, due to its large…

Atomic Physics · Physics 2017-10-25 J. Joger , H. Fürst , N. Ewald , T. Feldker , M. Tomza , R. Gerritsma

The method of intermediate-energy Coulomb excitation has been widely used to determine absolute B(E2; 0+ -> 2+) quadrupole excitation strengths in exotic nuclei with even numbers of protons and neutrons. Transition rates measured with…

Nuclear Experiment · Physics 2007-05-23 J. M. Cook , T. Glasmacher , A. Gade

Using the experimental data on total {\it S}=1 transition cross-sections \, for $^4$He$(\gamma,p)$$^3$H and $^4$He$(\gamma,n)$$^3$He reactions as the base, the paper describes the possibility of measuring the probability of {\it P}-states…

Nuclear Experiment · Physics 2015-05-13 Yu. P. Lyakhno

We have measured the reaction rates of trapped, buffer gas cooled Th$^{3+}$ and various gases and have analyzed the reaction products using trapped ion mass spectrometry techniques. Ion trap lifetimes are usually limited by reactions with…

Atomic Physics · Physics 2015-05-20 L. R. Churchill , M. V. DePalatis , M. S. Chapman

We report on a consistent, microscopic calculation of the bound and scattering states in the 4He system employing modern realistic two-nucleon and three-nucleon potentials in the framework of the resonating group model (RGM). We present for…

Nuclear Theory · Physics 2007-05-23 Hartmut M. Hofmann , Gerald M. Hale

Low energy reaction dynamics can strongly depend on the internal structure of the reactants. The role of rotationally inelastic processes in cold collisions involving polyatomic molecules has not been explored so far. Here we address this…

Chemical Physics · Physics 2016-08-09 Justin Jankunas , Krzysztof Jachymski , Michał Hapka , Andreas Osterwalder

Imaging in real time the complete dynamics of a process as fundamental as photoemission has long been out of reach due to the difficulty of combining attosecond temporal resolution with fine spectral and angular resolutions. Here, we…

At large proton energy, the final state interactions of the knocked out nucleon in $\eep$ reactions off nuclear targets can be described within the eikonal approximation, treating the spectator particles as a collection of fixed scattering…

Nuclear Theory · Physics 2009-11-06 O. Benhar , N. N. Nikolaev , J. Speth , A. A. Usmani , B. G. Zakharov

The Coulomb interaction between the two protons is included in the calculation of proton-deuteron elastic scattering, radiative proton-deuteron capture and two-body electromagnetic disintegration of ${}^3\mathrm{He}$. The hadron dynamics is…

Nuclear Theory · Physics 2009-11-11 A. Deltuva , A. C. Fonseca , P. U. Sauer

The isotope effect in the melting temperature of ice Ih has been studied by free energy calculations within the path integral formulation of statistical mechanics. Free energy differences between isotopes are related to the dependence of…

Materials Science · Physics 2011-08-19 R. Ramirez , C. P. Herrero

The results are presented on the total cross sections, astrophysical S-factor, reaction rate of the deuteron radiative capture on 3He at the temperatures from 0.03 up to 3 T9 calculated in the framework of the potential cluster model with…

Nuclear Theory · Physics 2017-11-27 Sergey Dubovichenko , Nataliya Burkova , Albert Dzhazairov-Kakhramanov

At impact energies $ \stackrel{>}{\sim}1$ GeV/u the projectile-electron excitation and loss occurring in collisions between highly charged ions and neutral atoms is already strongly influenced by the presence of atomic electrons. In order…

Atomic Physics · Physics 2015-05-18 A. B. Voitkiv , B. Najjari , S. P. Shevelko

We have studied the reaction $p+{^{27}Al}\to {^3{He}}+p+\pi^-+X$ at recoil-free kinematics. An $\eta$ meson possibly produced in this reaction would be thus almost at rest in the laboratory system and could therefore be bound with high…

Nuclear Experiment · Physics 2012-08-27 GEM Collaboration , A. Budzanowski