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Photoproduction Of Pions On Nucleons And Nuclei
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Book Synopsis Photoproduction of Pions on Nucleons and Nuclei by : A. A. Komar
Download or read book Photoproduction of Pions on Nucleons and Nuclei written by A. A. Komar and published by Nova Publishers. This book was released on 1989 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies the theoretical and experimental aspects of photoproduction of pions on nucleons and nuclei in the range of photon energies up to 1 GeV. Theoretical predictions are presented based on dispersion relationships of multiple pion photoproduction amplitudes. The problem of a complete experiment i
Book Synopsis Nuclear Pion Photoproduction by : Anton Nagl
Download or read book Nuclear Pion Photoproduction written by Anton Nagl and published by Springer. This book was released on 2006-04-11 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photoproduction of pions from complex nuclei has become an investigative tool for (1) the detailed form of the elementary photopion amplitude, (2) the pion-nucleus optical potential, (3) nuclear structure, and (4) off-shell and medium effects on the elementary amplitude in nuclear processes. In this book, all these aspects are considered in detail. With improved experimental accuracy and beam tech- nology the study of nuclear pion photoproduction will break new ground and become an even more powerful investigative tool. This monograph is intended as an introductory guide as well as a reference manual for grad- uate students and researchers working in this important area of physics.
Book Synopsis Threshold Photo and Electroproduction of Pions from Nuclei by : Edward T. Dressler
Download or read book Threshold Photo and Electroproduction of Pions from Nuclei written by Edward T. Dressler and published by . This book was released on 1977 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photoproduction of Neutral Pions in Complex Nuclei by : Christian Albertus Engelbrecht
Download or read book Photoproduction of Neutral Pions in Complex Nuclei written by Christian Albertus Engelbrecht and published by . This book was released on 1962 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: The photoproduction of neutral pions from complex nuclei is expressed in terms of the photoproduction from single nucleons by means of the direct interaction model and the impulse approximation. A summation over all final states of the nucleus is performed by means of a closure approximation.
Book Synopsis Pions and Nuclei by : Torleif Erik Oskar Ericson
Download or read book Pions and Nuclei written by Torleif Erik Oskar Ericson and published by Oxford University Press, USA. This book was released on 1988 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: The pion plays an outstanding role in nuclear physics as a generator of the nuclear force and as an important part of the nuclear many-body problem. At the same time, pion beams are used as probes to explore the nucleus and its interactions. As pion physics has matured over the years, a rich and diverse variety of phenomena has been uncovered. The aim of this book is to examine the underlying physical picture behind these phenomena in a systematic and coherent way. The authors emphasize the interplay between physical concepts and experimental facts more than the formal tools, which are presented in a series of appendices. The book is directed towards advanced students as well as research workers.
Book Synopsis Pions In Nuclei - Proceedings Of The International Workshop by : M J Vicente-vacas
Download or read book Pions In Nuclei - Proceedings Of The International Workshop written by M J Vicente-vacas and published by World Scientific. This book was released on 1992-03-27 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings reflect the recent experimental and theoretical progress in pion nuclear physics in topics like pionic atoms, pion absorption, charge exchange, (π, 2π), and others involving pions in nuclei using different probes, as electron photons or heavy ions. Related topics on chiral symmetry, low energy πN and (γ, π⁰) and quark degrees of freedom are also addressed.
Book Synopsis Two Topics in Pion Physics by : Robert Henry Traxler
Download or read book Two Topics in Pion Physics written by Robert Henry Traxler and published by . This book was released on 1962 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pion Photoproduction and the Role of the [delta]-resonance by : Thomas Joseph Gresko
Download or read book Pion Photoproduction and the Role of the [delta]-resonance written by Thomas Joseph Gresko and published by . This book was released on 1996 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photopion Nuclear Physics by : P. Stoler
Download or read book Photopion Nuclear Physics written by P. Stoler and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume consists of twelve review articles and a variety of short contributions which are based on lectures presented at the International Symposium on Photopion Nuclear Physics. The review articles were submitted after the sym posium, and there was considerable editing and cross referen cing with the aim of achieving a greater overall unity than ordinarily found in conference proceedings. Photopion Nuclear Physics, as the name suggests, combines two of the most active areas of current intermediate energy nuclear physics research - electromagnetic phenomena as studied by means of electron scattering and photonuclear pro cesses, and mesonic effects in nuclei. The potential value of photopion studies as a complement to electron scattering for the study of spin-isospin aspects of nuclear transitions has been widely recognized for about a decade, thanks to the the oretical work at such institutions as Stanford and Catholic Universities. In fact, some of this theoretical work was done in anticipation of the advent of the new high duty cycle and good energy resolution electron linacs. The potential for using this reaction to study mesonic effects was not as broad ly addressed at that time. However, as seen in the following pages of these proceedings, that situation has dramatically changed.
Book Synopsis Photoproduction of Pions from Preformed Deltas in Nuclei by : Chen-Hu Chang
Download or read book Photoproduction of Pions from Preformed Deltas in Nuclei written by Chen-Hu Chang and published by . This book was released on 2000 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photomesic and Photonuclear Reactions and Investigation Methods with Synchrotrons by : D. V. Skobel tsyn
Download or read book Photomesic and Photonuclear Reactions and Investigation Methods with Synchrotrons written by D. V. Skobel tsyn and published by Springer Science & Business Media. This book was released on 2013-11-09 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of articles contains a systematic outline of original experimental and theoretical research on photoproduction of neutral pions at protons and at a strongly bound system of a few nucleons, i.e., the helium nucleus. Spark chambers and their use as spectrometers for photons and electrons are described in detail. The articles of the collection include information on a novel method of determining the efficiency of recording apparatus by generating monochromatic photons. The articles de scribe original theoretical research on the optical anisotropy of nuclei. Problems encountered in experimental studies of operating the synchrotron as a storage-type accelerator of electrons and positrons receive particular attention. The results of this research work are listed, and the problems of oppositely directed electron-positron beams in the 250-MeV synchrotron are considered. The articles should be of interest to physicists, including research workers, teachers, engineers, graduate students, and students in advanced undergraduate courses. v CONTENTS Photoproduction of Neutral Pions at Nucleons and Nuclei B.B. Govorkov, S.P. Denisov, and E.V. Minarik 0 Photoproduction of 1r Mesons at Helium and at Photon Energies of 71 160-240 MeV ...
Book Synopsis Pion Production at 180? in Nucleus-nucleus Collisions by : Stephen Alan Chessin
Download or read book Pion Production at 180? in Nucleus-nucleus Collisions written by Stephen Alan Chessin and published by . This book was released on 1983 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutral Pion Production in Nucleus-nucleus Collisions at 158 and 200 GeV/nucleon by :
Download or read book Neutral Pion Production in Nucleus-nucleus Collisions at 158 and 200 GeV/nucleon written by and published by . This book was released on 1998 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two years ago, at the 12th Winter Workshop on Nuclear Dynamics held here in Snowbird, the authors presented WA80 limits on direct photon production in 200-GeV 32S + Au collisions. It was found that the results were consistent (within 1[sigma]) with the absence of an excess of photons over those that can be accounted for by the two-photon decay branches of [pi]° and [eta] mesons and by the small photon contributions from other radiative decays. They are in the process of finalizing the direct-photon production results from collisions of lead nuclei at 158 GeV/nucleon. The author briefly discusses the status of the analysis and gives some preliminary results at the end of this talk. However, most of this presentation is concerned with a very different aspect of the photon measurements: distributions of neutral pions. In contrast to direct photons which probe initial collision conditions, hadrons, such as neutral pions, interact strongly and decouple late in the reaction evolution and, thus, provide information concerning the system at freeze out. Transverse momentum spectra at low and intermediate p{sub T} relate to thermodynamic and hydrodynamic descriptions of the hot, dense systems. In addition, the high-p{sub T} region reflects the hard-scattering regime and may help one understand initial-state particle production by forming a bridge to proton-proton and proton-nucleus results. It follows that it is essential that the [pi]° measurements cover a large p{sub T} range.
Book Synopsis Pion-nucleon Scattering and Pion Production in Nucleon-nucleon and Nucleus-nucleus Collisions by :
Download or read book Pion-nucleon Scattering and Pion Production in Nucleon-nucleon and Nucleus-nucleus Collisions written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Lecture notes are presented on the following: (1) basic aspects of .pi. N interactions (properties of pions and nucleons, SU(3) and SU(6) classification phenomenology of .pi. N scattering ((3.3) resonance; phase shift analysis, and bag model approach to .pi. N); (2) pion production and absorption in the two nucleon system (NN .-->. NN.pi. (isobar model) and .pi.d reversible NN (existence of dibaryon resonances)); (3) pion absorption in complex nuclei (multiparticle aspects and cascade calculations); and (4) pion production with nuclear targets including (a) nucleon-nucleus, (b) nucleus-nucleus (Fermi-averaged 2-body vs thermodynamic models), and (c) .pi pi. interoferometry.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coherent Pi0 Photoproduction on Nuclei by : Claire M. Tarbert
Download or read book Coherent Pi0 Photoproduction on Nuclei written by Claire M. Tarbert and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The coherent nuclear 1/40 photoproduction reaction is sensitive to the nuclear matter form factor i.e. the distribution of matter within the nucleus. Accurate measurements of the nuclear matter distribution as charaterised by the r.m.s. radius are important for applications to nuclear theories, neutron stars, atomic parity non-conservation and heavy ion collisions. This thesis presents the results from a new experiment to measure coherent 1/40 photoproduction on 208Pb, 40Ca, 16O and 12C. The ultimate goal of the research programme is to make a high precision measurement of the nature of the neutron skin of 208Pb. The first major step in this direction is to achieve an accurate data set of coherent pion photoproduction which is presented in this thesis. The experiment was performed in the A2 hall of the MAMI electron accelerator facility at the InstitÄut fur Kernphysik, Mainz, Germany. An 883 MeV beam of electrons was directed on to a 101m nickel radiator producing a Bremsstrahlung photon beam which was then 'tagged' with a resolution of 2 MeV using the Glasgow Photon Tagging Spectrometer. The photon beam was incident on one of the 4 experimental targets inducing the reaction A(°,1/40)A. The neutral 1/40s were then detected via their two photon decay in the newly installed 4 1/4 Crystal Ball and TAPS detector systems. The results from all four targets are presented as differential and total cross sections covering the energy range E°=(135-300) MeV and covering the full 180± of the pion polar angle. Comparisons have been made with previous data and with the latest theoretical calculations of Dreschel et. al. which employ detailed pion optical potentials in describing the pion-nucleus final state interaction. It is concluded that the 208Pb cross sections show good agreement with the calculations indicating that the pion-nucleus FSI distortions are well accounted for by the model. A pleasing reduction in statistical and systematic uncertainties from previous measurements is also observed. While the 208Pb cross sections are finalised it is suggested that the 12C and 16O data would benefit from a further analysis utilising the coincident detection of nuclear decay photons to isolate incoherent events and allow a more detailed comparison with theory. A first comparison of the theoretical model with the new high quality data gives first indications of a neutron skin on 208Pb. A future scheme for the full detailed extraction of the matter distribution from the new data set is also suggested.
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