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Author : Heinz J. Weyer
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (355 download)
Download or read book Pion Absorption in Light Nuclei written by Heinz J. Weyer and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David K. Anderson
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (23 download)
Download or read book Radiative Pion Absorption and the Structure of Light Nuclei written by David K. Anderson and published by . This book was released on 1966 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anthony W. Thomas
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (834 download)
Download or read book Pion Absorption by Light Nuclei written by Anthony W. Thomas and published by . This book was released on 1970 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Ammiraju
Publisher :
ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (346 download)
Download or read book Absorption of Pions in Light Nuclei written by P. Ammiraju and published by . This book was released on 1956 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Pion Absorption Processes. [32 to 74 MeV]. PDF Online Free](https://books.google.com/books/content/images/frontcover/hlyawgEACAAJ?fife=w200-h370)
Download or read book Pion Absorption Processes. [32 to 74 MeV]. written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Proton and deuteron production from low-energy pion absorption in light nuclei leading to discrete and continuum states were measured. The LEP beam line at LAMPF was used with a stack of 8 intrinsic germanium crystals. The proton energy spectra are in general characterized by a broad bump at an energy approximately corresponding to .pi.d .-->. pp reaction kinematics, suggestive of pion absorption on 2 nucleons. The energy-integrated cross-section for production of deuterons has an angular distribution similar to that for production of protons. The dependence of the total pion absorption cross-section on A is explained using a semi-classical model for pion transport in nuclei. The (.pi.+, p) as well as (.pi.+, d) reactions generally favor transitions involving larger angular momentum transfer to the residual nucleus when states of similar nuclear structure are considered. The low-energy excitation spectra from the (.pi.+, p) reaction are similar to the spectra from (p, d) reaction on 12C and 13C. However, a calculation of the (.pi. =, p) cross-section using the measured (p, d) reaction with the formulation of Wilkin to relate the two reactions is in moderate disagreement with the measured (.pi.+, p) cross-sections. The excitation spectra from the (.pi.+, p) reaction indicte the importance of two-step processes for the reaction. The (.pi.+, d) reaction leading to the ground state of -- residual nucleus has been seen for 7Li, 12C, and 13C targets. The measured cross section for the 12C(.pi.+, d)1°C reaction to the 2+ state is much higher than that for the ground state. For the case of 18O, no counts were seen for excitation energy of
Author : H. J. Weyer
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (793 download)
Download or read book Absorption of Photons and Pions in Light Nuclei written by H. J. Weyer and published by . This book was released on 1992 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Emil Truhlik
Publisher : Springer
ISBN 13 : 3709176174
Total Pages : 538 pages
Book Rating : 4.7/5 (91 download)
Download or read book Mesons and Light Nuclei written by Emil Truhlik and published by Springer. This book was released on 2013-12-21 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Giving emphasis on electroweak nuclear interactions the book collects more than 60 papers presented at the 5th International Symposium, Prague, September 1-6, 1991. Further topics covered are: nuclear physics with pions and antiprotons, nuclar physics with strange particles, relativistic nuclear physics, and quark degrees of freedom. They are viewed in their theoretical as well as experimental aspects.
Download or read book Mechanism of Pion Absorption in Complex Nuclei written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Basic geometrical arguments are used to analyze the A dependence of the total pion absorption cross section, the effective number of nucleons sharing the pion momentum and energy, and the proton yields from .pi./sup +/- and .pi./sup -/-induced reactions. The results are consistent with the pions penetrating some distance through the nuclear volume and annihilating on a pair of nucleons. 3 figures.
Download or read book Theory of Pion--nucleus Scattering Lengths. II. written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The scattering lengths for pions on light nuclei are calculated in a multiple scattering theory given earlier. All effects through second order are included in the pion-nucleon scattering amplitudes, using a simple nuclear model. The resulting scattering lengths are smaller than those obtained from measurements of pi-atomic level shifts. The size of the difference is consistent with the contribution of pion absorption, which we estimate.
Author : John Wylie Morris
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.X/5 (1 download)
Download or read book Bound Pion Absorption by Nuclei and Nuclear Short-range Correlations written by John Wylie Morris and published by . This book was released on 1972 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David K. Anderson
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.X/5 (4 download)
Download or read book Radiative pion absorption in complex nuclei written by David K. Anderson and published by . This book was released on 1960 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pion Absorption in Nuclei written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Reported here is the first experiment to measure the excitation of discrete final states following the (.pi.−, p) reaction. The Energetic Pion Channel and Spectrometer (EPICS) at the Los Alamos National Laboratory and the High Resolution Pion Channel and Spectrometer (.pi. M1-SUSI) at the Swiss Institute for Nuclear Physics were used for this high resolution study of (.pi./sup + -/, p) reactions. An average energy resolution of 500 KeV and 700 KeV was achieved at EPICS and .pi. M1-SUSI respectively. At EPICS these reactions were measured at T/sub .pi./ = 120 MeV and theta/sub lab/ = 25° on 24Mg, 27Al, 4°Ca and 58Ni; 12C(.pi.−, p) was measured at T/sub .pi./ = 145 MeV. At .pi. M1-SUSI these reactions were measured at T/sub .pi./ = 90 MeV and at theta/sub lab/ = 20° on 23Na and 24Mg. The measurement includes both the differential cross sections and continuum up to an excitation energy of 40 MeV. In 23Na, 24Mg, and 27Al there are peaks in the low excitation region. The shape of the continuum in an excitation energy range of 10 to 40 MeV was found to be independent of pion charge and target mass. The magnitude of proton yield from all the targets at T/sub .pi./ = 120 MeV is more than twenty four times larger for .pi. than for .pi.−. Also, the cross sections for both reactions on 24Mg is slightly enhanced compared to other nuclei. At T/sub .pi./ = 90 MeV the ratio of the proton yield for .pi. to .pi.− absorption drops down to fourteen. This high ratio and its energy dependence supports the idea of a two nucleon pion absorption model. Pion absorption in the context of both the reaction mechanism and nuclear structure is discussed. 99 refs., 64 figs., 11 tabs.
Download or read book A MODEL FOR PION ABSORPTION IN NUCLEI. written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: To describe pion absorption in nuclei, we introduce a model which assumes that the incident pion is absorbed by the row of target nucleons along the beam direction. The momentum distribution of these nucleons after absorbing the pion is assumed to be determined by the phase space. The experimental data on the inclusive proton cross section are well reproduced.
Author : Zygmunt Constantine Gromadzki
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.X/5 (1 download)
Download or read book A Systematic Survey of Proton-induced Pion Production of Light Nuclei written by Zygmunt Constantine Gromadzki and published by . This book was released on 1976 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Itamar Navon
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (646 download)
Download or read book Pion Absorption in Nuclei written by Itamar Navon and published by . This book was released on 1980 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chandra Shekhar Mishra
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (173 download)
Download or read book Pion Absorption in Nuclei written by Chandra Shekhar Mishra and published by . This book was released on 1987 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U. Klein
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (256 download)
Download or read book Energy Spectra of Neutrons Emitted Following the Absorption of Stopped Negative Pions in Light Nuclei written by U. Klein and published by . This book was released on 1979 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
