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Author : Patrick J. O'Donnell
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (298 download)
Download or read book Deuteron Photodisintegration and Its Application to the Two-nucleon Problem written by Patrick J. O'Donnell and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Arenhövel
Publisher : Springer
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.F/5 ( download)
Download or read book Photodisintegration of the Deuteron written by H. Arenhövel and published by Springer. This book was released on 1991-06-06 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: More than 50 years ago, in 1934, Chadwick and Goldhaber (ChG 34) published a paper entitled "A 'Nuclear Photo-effect': Disintegration of the Diplon by -y-Rays."l in the introduction: They noted "By analogy with the excitation and ionisation of atoms by light, one might expect that any complex nucleus should be excited or 'ionised', that is, disintegrated, by -y-rays of suitable energy", and furthermore: "Heavy hydrogen was chosen as the element first to be examined, because the diplon has a small mass defect and also because it is the simplest of all nuclear systems and its properties are as important in nuclear theory as the hydrogen is in atomic theory". Almost at the same time, in 1935, the first theoretical paper on the photodisinte gration of the deuteron entitled "Quantum theory of the diplon" by Bethe and Peierls (BeP 35) appeared. It is not without significance that these two papers mark the be ginning of photonuclear physics in general and emphasize in particular the special role the two-body system has played in nuclear physics since then and still plays. A steady flow of experimental and theoretical papers on deuteron photo disintegration and its inverse reaction, n-p capture, shows the continuing interest in this fundamental process (see fig. 1.1).
Download or read book Deuteron Forward Photodisintegration written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The few-nucleon problem in nuclear physics and the few-electron problem in atomic physics are shown to possess similarities. Relativistic aspects of the latter are reviewed. The radiative decay of the 3P1 excited state of helium-like ions to the 1S0 ground state is shown to be a theoretical analogue of low-energy deuteron forward photodisintegration. Both have large relativistic components. The extended Siegert's theorem, which permits application of Siegert's technique to arbitrary photon wave lengths, is applied to both transitions. Physical arguments for the two processes are stressed, and the relevance of interaction currents is discussed. 28 references.
Author : Johan Jacob de Swart
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.3/5 (91 download)
Download or read book Photodisintegration of the Deuteron in the Medium Energy Range written by Johan Jacob de Swart and published by . This book was released on 1959 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Two-body Photodisintegration of the Deuteron Above 1 GeV. written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the central issues in nuclear physics is the identification of clear signatures for quarks in nuclei. A guiding principle in this search is to perform experiments with high energy electromagnetic probes of the simplest nucleus, the deuteron, a system which is particularly amenable to theoretical interpretation. It has long been known that the quark counting rules seem to apply for electron elastic scattering from the pion and nucleon. However, the rapid decline in the cross section for electron scattering from the deuteron, a six-quark system, renders an experiment at high momentum transfer unfeasible. Clearly, the dimensional-scaling region is not reached for electron-deuteron elastic scattering as indicated. This led Brodsky and Chertok to analyze these data in terms of the reduced nuclear amplitudes and produce, in effect, scaling at a lower momentum transfer. Presently, this is the only known case where the reduced nuclear amplitude analysis seems to apply. In the present work we abandon elastic electron scattering in favor of an exclusive photoreaction with the deuteron. The simplest process involving a nucleus is the .gamma.d .-->. pn reaction. Here, n = 13 and an s−11 dependence is expected where the quark counting rules are valid. Naively, one would expect that the energy region where the quark counting rules are valid to be most naturally described in terms of a quark or parton basis rather than a nucleon basis, and thereby provide a signature quark effects in nuclei. Hitherto no s−11 dependence has been observed for the data below 1 GeV. As a test of the energy-dependence for the .gamma.d .-->. pn reaction, we have performed the first measurements for this process above 1 GeV.
Author : University of Glasgow
Publisher :
ISBN 13 :
Total Pages : 748 pages
Book Rating : 4.3/5 (91 download)
Download or read book Summaries of theses approved for higher degrees in the Faculty of Science written by University of Glasgow and published by . This book was released on 1960 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 103 pages
Book Rating : 4.:/5 (953 download)
Download or read book Hard Photo-disintegration of Proton Pairs in 3He Nuclei written by and published by . This book was released on 2011 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extensive studies of high-energy deuteron photodisintegration over the past two decades have probed the limits of meson-baryon descriptions of nuclei and nuclear reactions. At high energies, photodisintegration cross sections have been shown to scale as a power law in s (the total cm energy squared), which suggests that quarks are the relevant degrees of freedom. In an attempt to more clearly identify the underlying dynamics at play, JLab/Hall A experiment 03-101 measured the hard photodisintegration of 3He into p-p and p-d pairs at [theta] c.m. = 90° and E[gamma] = 0.8 - 4.7 GeV. The basic idea is that the measurement should be able to test theoretical predictions for the relative size of pp versus pn disintegrations. This document presents data for the energy dependence of the high energy 90°c.m. photodisintegration of 3He: d[sigma]/dt([gamma] + 3He → p + p + nspectator), and d[sigma]/dt([gamma] + 3He → p + d). The cross sections were observed to scale as a function of s-n where n was found to be 11.1±0.1 and 17.4±0.5 for the two reactions respectively. The degree of scaling found for d [sigma]/dt ([gamma] + 3He → p + d) is the highest degree of scaling ever observed in a nuclear process. The onset of the observed scaling are at photon energy of 2.2 GeV for the pp breakup and 0.7 GeV for the pd breakup. The magnitude of the invariant cross section for pp pair breakup was found to be dramatically lower than for the breakup of pn pairs and theoretical predictions. At energies below the scaling region, the scaled cross section was found to present a strong energy-dependent structure not observed in the pn breakup. The data indicate a transition from three-nucleon hadronic photodisintegration processes at low energies to two-nucleon quark-dominated photodisintegration processes at high energies.
Author : University of Glasgow
Publisher :
ISBN 13 :
Total Pages : 946 pages
Book Rating : 4.:/5 (319 download)
Download or read book Summaries of Theses Approved for Higher Degrees in the Faculties of Science and Engineering written by University of Glasgow and published by . This book was released on 1960 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 912 pages
Book Rating : 4.0/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-04 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel Isaac Sober
Publisher :
ISBN 13 :
Total Pages : 426 pages
Book Rating : 4.E/5 ( download)
Download or read book Deuteron Photodisintegration Near the First Nucleon Resonance written by Daniel Isaac Sober and published by . This book was released on 1969 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Glasgow
Publisher :
ISBN 13 :
Total Pages : 1088 pages
Book Rating : 4.:/5 (5 download)
Download or read book Summaries of Theses Approved for Higher Degrees in the Faculty of Science and Engineering written by University of Glasgow and published by . This book was released on 1962 with total page 1088 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Claudio Ciofi degli Atti
Publisher : Springer Science & Business Media
ISBN 13 : 370917581X
Total Pages : 654 pages
Book Rating : 4.7/5 (91 download)
Download or read book Few-Body Problems in Physics written by Claudio Ciofi degli Atti and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects all of the invited papers and contributions to the Discussion Sessions, presented at the 13th European Conference on Few-Body Problems in Physics, and is addressed to senior and young researchers and students interested in the field of few-body problems in elementary particle and nuclear physics, as well as in atomic and molecular physics. The volume contains a survey of recent, and not yet published results on theoretical and experimental investigations of the structure of hadrons and hadronic systems, novel theoretical methods suitable for an accurate treatment of the few-body problems in different fields, present status and future developments in muon catalysed fusion. A detailed illustration of the few-body physics programs of running (MIT-Bates, CEBAF, CERN, HERA, Mainz, NIKHEF, SATURNE, Saskatchewan, SLAC , TRIUMF) and proposed (European Electron Facility Project, Indiana cooler beam) experimental facilities represents a valuable feature of the book.
Author :
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.X/5 (1 download)
Download or read book Nuclear Theory Index written by and published by . This book was released on 1963 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 688 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1984 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : Hirokazu Tezuka
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (22 download)
Download or read book Analysis of Photodisintegration of Two-nucleon Systems in Nuclei written by Hirokazu Tezuka and published by . This book was released on 1988 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 754 pages
Book Rating : 4.3/5 (129 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rajmund Krivec
Publisher : Springer Science & Business Media
ISBN 13 : 3709167280
Total Pages : 445 pages
Book Rating : 4.7/5 (91 download)
Download or read book Few-Body Problems in Physics ’02 written by Rajmund Krivec and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this Supplement we have collected the invited and contributed talks pre sented at the XVIII European Conference on Few-Body Problems in Physics, organised by the Jozef Stefan Institute and the University of Ljubljana, Slove nia. The Conference, sponsored by the European Physical Society, took place at the lakeside resort of Bled from 8 to 14 September, 2002. This meeting was a part of the series of European Few-Body Conferences, previously held in Evora/Portugal (2000), Autrans/France (1998), Peniscola/Spain (1995), ... Our aim was to emphasise, to a larger extent than at previous Conferences, the interdisciplinarity of research fields of the Few-Body community. To pro mote a richer exchange of ideas, we therefore strived to avoid parallel sessions as much as possible. On the other hand, to promote the participation of young scientists who we feel will eventually shape the future of Few-Body Physics, we wished to give almost all attendees the opportunity to speak.
