Journal ArticleDOI
Note on the Transmutation Function for Deuterons
J. R. Oppenheimer,Melba Phillips +1 more
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In this paper, the effect of the finite size and ready polarizability of the deuteron on the probability of transmutations involving the capture of the neutron was considered, and it was shown that the Coulomb repulsion of the nucleus is less effective than for alpha-particles or protons.Abstract:
We consider the effect of the finite size and ready polarizability of the deuteron on the probability of transmutations involving the capture of the neutron. These have as a consequence that the Coulomb repulsion of the nucleus is less effective than for alpha-particles or protons, and that the corresponding transmutation functions increase less rapidly with deuteron energy. We treat the collision by the adiabatic approximation and obtain quantitative results for this energy dependence which are in good agreement with experiment.read more
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Journal ArticleDOI
Sum Rules in the Dispersion Theory of Nuclear Reactions
T. Teichmann,Eugene P. Wigner +1 more
TL;DR: In this article, the dispersion theory is developed with an internal region $V$ whose boundary $S$ is quite close to the nuclear surface, and two types of quantities then occur: those like the derivative matrix $R$ which connect the values and derivatives of the wave function at $S$, and those like collision matrix $U$ which give the asymptotic behavior of wave function.
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Oppenheimer-Phillips effect and electron screening in d+ d fusion reactions
TL;DR: In this paper, the cross sections of d(d, p)t at E≦10keV were analyzed using a beamforming detector and showed clear evidence for electron screening effects.
Journal ArticleDOI
XLV. Angular distribution in (d, p) and (d. n) reactions
TL;DR: In this paper, the angular distribution of the particles emitted in (d, p) or (D, n) reactions is calculated, assuming a stripping process, by means of the Born approximation, and the result resembles in most respects that of more complicated calculations by S. T. Butler, but there are certain differences which have been, or may be done.
Journal ArticleDOI
Excitation functions of fusion reactions and neutron transfer in the interaction of 6He with 197Au and 206Pb
Yu. E. Penionzhkevich,R. A. Astabatyan,N. A. Demekhina,G. G. Gulbekian,R. Kalpakchieva,A. A. Kulko,S. M. Lukyanov,E. R. Markaryan,V. A. Maslov,Yu. A. Muzychka,Yu. Ts. Oganessian,R. V. Revenko,N. K. Skobelev,Yu. G. Sobolev,D. A. Testov,T. K. Zholdybaev +15 more
TL;DR: In this paper, a stacked-foil activation technique was used directly in the beam extracted from the cyclotron or in the focal plane of the magnetic spectrometer MSP-144.
Journal ArticleDOI
Accelerator testing of the general antiparticle spectrometer; a novel approach to indirect dark matter detection
Charles J. Hailey,Tsuguo Aramaki,William W. Craig,Lorenzo Fabris,Florian Gahbauer,Florian Gahbauer,Jason E. Koglin,N. Madden,K Mori,H.T. Yu,Klaus P. Ziock +10 more
TL;DR: In this article, a prototype general antiparticle spectrometer (GAPS) was used for indirect dark matter searches that exploits the antideuterons produced in neutralino-neutralino annihilations.