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Author : Hazel Louise Thayer
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (591 download)
Download or read book Collinear Laser Spectroscopy of Radioactive Zirconium Isotopes written by Hazel Louise Thayer and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ernest W. Otten
Publisher : CRC Press
ISBN 13 : 9783718648924
Total Pages : 88 pages
Book Rating : 4.6/5 (489 download)
Download or read book Investigation of Short-Lived Isotopes by Laser Spectroscopy written by Ernest W. Otten and published by CRC Press. This book was released on 1989-01-31 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser-spectroscopic methods can be applied to the systematic investigation of radioactive isotopes, covering up to 30 isotopes per element (500 nuclides in total). This book shows how the high resolution and sensitivity of laser spectroscopic methods can be used in experiments on the hyperfine structure and isotope shift of the atomic spectrum or applied to the more general problem of trace analysis. It examines the most popular methods in the field including laser spectroscopy on fast beams and resonance ionization spectroscopy, all of which have a number of variants. Techniques of production and the separation of unstable isotopes are described, along with the physics and processes of numerous laser spectroscopic methods. Also included is a summary of the results of experiments carried out on the systematics of nuclear structure in exotic regions of the nuclear chart.
Author : Malamatenia Avgoulea
Publisher :
ISBN 13 :
Total Pages : 155 pages
Book Rating : 4.:/5 (643 download)
Download or read book Collinear Laser Spectroscopy of Radioactive Scandium and Stable Osmium Isotopes written by Malamatenia Avgoulea and published by . This book was released on 2006 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Walaa Al Tamimi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (979 download)
Download or read book Collinear Laser Spectroscopy on Exotic Isotopes of Rubidium and Gallium written by Walaa Al Tamimi and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: " Fast-beam collinear laser spectroscopy experiments on the exotic rubidium and gallium isotopes have been performed at the ISAC radioactive ion beam facility at TRIUMF. The neutron-rich rubidium isotope chain up to N=61 is investigated. Specifically, the neutron-rich 98Rb isotope has been studied for the investigation of shape coexistence. Two long-lived nuclear states in 98Rb have been clearly observed for the first time: a low-spin state, assigned a spin of I = 0, and a high-spin state. The high-spin state is tentatively assigned a spin of I = 3 based on this work in combination with gamma decay results. There is no eviedence of deviations from the behavior of the changes in the charge radii. The hyperfine structure of the neutron-rich 99Rb was observed. Both suggested spins I = 5/2 and I = 3/2 were based on both experimental results of the stable isotopes 85Rb and 87Rb. Neither spins can be rulled out. The neutron-deficient gallium isotopes down to N=32 have been measured via laser spectroscopy. Their hyperfine structures and isotope shifts are reported in this work. The magnetic dipole and electric quadrupole moments of 65Ga and 67Ga were measured for the first time, and were for 65Ga : = +1:758(5)N and Qs = +0:226(14)b respectively. For 67Ga the measured moments were = +1:849(5)N and Qs =+0:207(13)b. Analysis of the trend in the neutron-deficient charge radii illustrate that there is no evidence for deformations from the behaviour in the gallium in the N = 32 region. With regard to the observed 62Ga, its isotope shift and its chargeradius could not be determined but were narrowed down, due to the low yield of this isotope. A motivated discussion for a future investigation on 62Ga is included. These measurements have been carried out along with the developments of new laser techniques: laser chopping and switching. These techniques were developed by the collinear laser spectroscopy group at TRIUMF to which the author contributed." --
Author : Adam Robert Vernon
Publisher : Springer Nature
ISBN 13 : 3030541894
Total Pages : 223 pages
Book Rating : 4.0/5 (35 download)
Download or read book Collinear Resonance Ionization Spectroscopy of Neutron-Rich Indium Isotopes written by Adam Robert Vernon and published by Springer Nature. This book was released on 2020-10-31 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes the application of the collinear resonance laser spectroscopy to sensitively measure the electromagnetic nuclear observables of the neutron-rich indium isotopes 115-131In. This entailed a systematic study of the efficiency of resonant ionization schemes to extract the hyperfine structure of the isotopes, the atomic charge exchange process and benchmarking of modern atomic calculations with a laser ablation ion source. This allowed determination of the root-mean-square nuclear charge radii, nuclear magnetic dipole moments, nuclear electric quadrupole moments and nuclear spins of the 113-131In isotopes with high accuracy. With a proton hole in the Z = 50 nuclear shell closure of tin and several nuclear isomer states, these measurements of the indium (Z = 49) isotope chain provided an efficient probe of the evolution of nuclear structure properties towards and at the doubly-magic nuclear shell closure of 132Sn (N = 82) - revealing unpredicted changes.
Download or read book Construction and Commissioning of a Collinear Laser Spectroscopy Setup at TRIGA Mainz and Laser Spectroscopy of Magnesium Isotopes at ISOLDE (CERN). written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Collinear laser spectroscopy has been used as a tool for nuclear physics for more than 30 years. The unique possibility to extract nuclear properties like spins, radii and nuclear moments in a model-independent manner leads to important physics results to test the predictive power of existing nuclear models. rnThis work presents the construction and the commissioning of a new collinear laser spectroscopy experiment TRIGA-LASER as a part of the TRIGA-SPEC facility at the TRIGA research reactor at the University of Mainz. The goal of the experiment is to study the nuclear structure of radioactive isotopes which will be produced by neutron-induced fission near the reactor core and transported to an ion source by a gas jet system. rnThe versatility of the collinear laser spectroscopy technique will be exploited in the second part of this thesis. The nuclear spin and the magnetic moment of the neutron-deficient isotope Mg-21 will be presented, which were measured by the detection of the beta-decay asymmetry induced by nuclear polarization after optical pumping. A combination of this detection method with the classical fluorescence detection is then used to determine the isotope shifts of the neutron-rich magnesium isotopes from Mg-24 through Mg-32 to study the transition to the ''island of inversion''.
Author : Allen Leary
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (911 download)
Download or read book Collinear Laser Spectroscopy on Neutron-rich Rubidium Isotopes and Development of a Laser Frequency Locking System written by Allen Leary and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "The neutron rich rubidium isotope chain up to N=61 is investigated using collinear fast-beam laser spectroscopy (CFBS) at the ISAC radioactive ion beam facility at TRIUMF. These measurements extend and update the comprehensive study of the rubidium isotopes chain undertaken by Thibault et al. Updated changes in mean square charge radii values across the chain are computed using the latest atomic factors for the rubidium D2 line and their trends with resect to nuclear deformation discussed. Equally the existence of a long lived isomeric state at N=61 is confirmed. A low spin state is assigned a spin of I=0 and a high spin state is tentatively assigned a spin of I=3 based on this analysis and gamma decay results. These measurements have been carried out in conjunction with the development of a laser frequency locking program and the characterization of the confocal Fabry Perot etalon employed by the CFBS group. This program guarantees the stability of the laser frequency to a dither of 2MHz during laser spectroscopy experiments, therefore reducing the errors associated to the measurements of hyperfine structure and isotope shift undertaken by the CFBS group." --
Author : Thomas Day Goodacre
Publisher : Springer Nature
ISBN 13 : 3030738892
Total Pages : 138 pages
Book Rating : 4.0/5 (37 download)
Download or read book Applied Laser Spectroscopy for Nuclear Physics written by Thomas Day Goodacre and published by Springer Nature. This book was released on 2021-09-25 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis explores two distinct applications of laser spectroscopy: the study of nuclear ground state properties, and element selective radioactive ion beam production. It also presents the methods and results of an investigation into isotope shifts in the mercury isotopic chain. These Resonance Ionization Laser Ion Source (RILIS) developments are detailed, together with an RILIS ionization scheme that allowed laser ionized ion beams of chromium, germanium, radium and tellurium to be generated at the Isotope Mass Separator On-Line (ISOLDE) facility. A combination of laser spectroscopy with decay spectroscopy and mass spectrometry unambiguously demonstrated a cessation of the extreme shape staggering first observed in the 1970s and revealed the characteristic kink at the crossing of the N=126 shell closure. A series of RILIS developments were required to facilitate this experiment, including mercury “ionization scheme” development and the coupling of the RILIS with an arc discharge ion source. Laser spectroscopy has since become a powerful tool for nuclear physics and the Resonance Ionization Laser Ion Source (RILIS), of the ISOLDE facility at CERN, is a prime example. Highlighting important advances in this field, the thesis offers a unique and revealing resource.
Author : Jürgen Eberth
Publisher : Springer Science & Business Media
ISBN 13 : 364273958X
Total Pages : 427 pages
Book Rating : 4.6/5 (427 download)
Download or read book Nuclear Structure of the Zirconium Region written by Jürgen Eberth and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results important for the general understanding of nuclear structure have emerged from the study of the nuclei in the mass region around the neutron-deficient and neutron-rich Zirconium isotopes. This research report gives the proceedings of a workshop which brought together about 70 experts in the area. Review papers deal with the theoretical interpretation of the unusual properties of these medium-mass nuclei, using the mean field approach, a microscopic description, the interacting boson model and particle rotor calculations. Papers also discuss experimental procedures for studying nuclei far from stability and the possibility of complete spectroscopy. The reviews are supplemented by short contributions presenting very new results. Phenomena discussed include the interplay between subshell effects and the strong proton-neutron interaction in determining nuclear shape, the coexistence of different nuclear shape and the occurrence of fast beta decay.
Author :
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (932 download)
Download or read book Laser-based Separation of Zirconium Isotopes written by and published by . This book was released on 1988 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: A recent report indicated that reducing the concentration of zirconium-91 reduces significantly the neutron absorption cross-section of zirconium, an effect which is of great interest to the nuclear power industry since zirconium is the major element in the core components of nuclear reactors. Therefore, lower neutron absorption in reactor components would provide greater flexibility in the design of nuclear reactors. The laser-based method for zirconium isotope separation is known as atomic vapour laser isotope separation (AVLIS). This report identifies a considerable improvement in proposed schemes for isotopic depletion of zirconium-91 based upon the AVLIS method.
Author : L. J. Vormawah
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Collinear Laser Spectroscopy of Scandium and Yttrium Isotopes at IGISOL IV. written by L. J. Vormawah and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Juha Äystö
Publisher : Springer Science & Business Media
ISBN 13 : 3642555608
Total Pages : 507 pages
Book Rating : 4.6/5 (425 download)
Download or read book Exotic Nuclei and Atomic Masses written by Juha Äystö and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ENAM2001 Conference was held on July 2-7, 2001 at the Rantasipi Aulanko Hotel in Hameenlinna in southern Finland. The conference was organized by the Department of Physics and the Accelerator Laboratory of the University of Jyvaskyla with support from the Physics Departments of the Universities of Helsinki and Turku. This conference, Exotic Nuclei and Atomic Masses has now gained the status of a major nuclear physics serial conference. The previous conference was held in Bellaire, Michigan, USA. The conference was first held in 1967 in Lysekil, Sweden, then entitled Conference on Nuclei Far from Stability. ENAM2001 welcomed 270 participants from 34 countries, including 17 accompanying per sons. The content of the program was selected based on the advice of the International Advisory Committee. The Committee members read and considered 253 submitted abstracts in selecting oral contributions. During the conference week 76 invited and oral talks were given. The rest of the contributions were presented in dedicated poster sessions. Many thanks go to the speakers of oral and poster presentations for their enthusiasm and for the high quality of their work which demonstrated the liveliness of the field. Participation in the lectures was high and contributions from the audience were important towards the success of this conference. The organizers would like to especially thank Cary Davids of Argonne National Laboratory for his comprehensive summary talk, which is also included in these Proceedings.
Author : Olivier Shelbaya
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (846 download)
Download or read book Laser Spectroscopy of Rare Rubidium Isotopes and Development of Data Analysis Software at TRIUMF written by Olivier Shelbaya and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRIUMF, Canada's national laboratory for nuclear and particle physics has been peering into the shape and structure of highly unstable, rare isotopes. Employing the method of collinear fast-beam laser spectroscopy, the nuclear ground state spin, hyperfine moments and charge radii can be determined. The laser spectroscopy group at TRIUMF has used this method to investigate the properties of rubidium isotopes, where 76-98 Rb had been previously studied at ISOLDE by Thibault et al. Laser spectroscopy was performed at TRIUMF on both the neutron deficient 74-76 Rb, providing insight into the behaviour leading up to the proton drip line. On the neutron rich end, a programme is in place to extend measurements into the highly deformed 98-100 Rb. Preliminary measurements of the spectra of the spin-0 isotope 92 Rb have been carried out, on beams with intensities of 10 7 per second, representing the first time heavy rubidiums have been produced and studied spectroscopically at TRIUMF. These measurements have been carried out in conjunction with the implementation of a new MCS based data acquisition system, greatly improving the data collection and analysis capabilities of the laser spectroscopy group." --
Author : Alberto Pasquevich
Publisher : Springer Science & Business Media
ISBN 13 : 3540853200
Total Pages : 648 pages
Book Rating : 4.5/5 (48 download)
Download or read book HFI/NQI 2007 written by Alberto Pasquevich and published by Springer Science & Business Media. This book was released on 2010-04-08 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of proceedings includes new and original scientific results along with recent developments in instrumentation and methods, in invited and contributed papers. Researchers and graduate students interested in hyperfine interaction detected by nuclear radiation as well as nuclear quadrupole interactions detected by resonance methods in the areas of materials, biological and medical science will find this volume indispensable.
Author : Richard Alexander Powis
Publisher :
ISBN 13 :
Total Pages : 151 pages
Book Rating : 4.:/5 (911 download)
Download or read book Crossed-beam Laser Spectroscopy of Atomic Ruthenium written by Richard Alexander Powis and published by . This book was released on 2013 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carla Babcock
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Collinear Laser Spectroscopy of Manganese Isotopes Using the Radio Frequency Quadrupole Cooler and Buncher at ISOLDE. written by Carla Babcock and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1550 pages
Book Rating : 4.U/5 (183 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 1550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
