{"id":{"repo_id":"uab","oai_identifier":"oai:digitalcommons.library.uab.edu:etd-collection-8058"},"canonical_url":"https://search.dev.ndltd.org/etd/uab/oai:digitalcommons.library.uab.edu:etd-collection-8058","repository":{"repo_id":"uab","name":"University of Alabama Birmingham","base_url":"https://digitalcommons.library.uab.edu/do/oai/"},"display":{"title":"Determination of Recoil-Free Fractions From 151Eu Mossbauer Spectra of EuBO3","abstract":"Emission of a gamma ray from a nucleus is a result of a nuclear transition from one energy level to another. If the emitting nucleus is not bound in a crystal lattice, some of the transition energy, or the difference in energy of the two nuclear levels, may be imparted to the nucleus as it recoils, much as a gun acquires energy in recoiling after firing a bullet. This energy is termed the recoil energy associated with the transition. Consequently the energy of the emitted photon differs from the transition energy. ","abstract_html":"Emission of a gamma ray from a nucleus is a result of a nuclear transition from one energy level to another. If the emitting nucleus is not bound in a crystal lattice, some of the transition energy, or the difference in energy of the two nuclear levels, may be imparted to the nucleus as it recoils, much as a gun acquires energy in recoiling after firing a bullet. This energy is termed the recoil energy associated with the transition. Consequently the energy of the emitted photon differs from the transition energy. ","abstract_has_math":false,"creators":["Long, Saphura Safavi"],"institution":null,"degree_name":null,"degree_level":"Thesis","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1974,"date_issued":"1974-01-01T08:00:00Z","date_published":"1974-01-01T08:00:00Z","updated_at":"2026-07-24T05:05:40Z","subjects":["Transition energy","Nuclear levels","Recoil energy","Gamma ray","Crystal lattice"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://digitalcommons.library.uab.edu/etd-collection/7066","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Long, Saphura Safavi"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Transition energy","Nuclear levels","Recoil energy","Gamma ray","Crystal lattice"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalcommons.library.uab.edu/etd-collection/7066"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Emission of a gamma ray from a nucleus is a result of a nuclear transition from one energy level to another. If the emitting nucleus is not bound in a crystal lattice, some of the transition energy, or the difference in energy of the two nuclear levels, may be imparted to the nucleus as it recoils, much as a gun acquires energy in recoiling after firing a bullet. This energy is termed the recoil energy associated with the transition. Consequently the energy of the emitted photon differs from the transition energy. "]},{"key":"dc:title","label":"Title","values":["Determination of Recoil-Free Fractions From 151Eu Mossbauer Spectra of EuBO3"]}]}],"canonical_facts":{"dc:creator":["Long, Saphura Safavi"],"dc:description.abstract":["Emission of a gamma ray from a nucleus is a result of a nuclear transition from one energy level to another. If the emitting nucleus is not bound in a crystal lattice, some of the transition energy, or the difference in energy of the two nuclear levels, may be imparted to the nucleus as it recoils, much as a gun acquires energy in recoiling after firing a bullet. This energy is termed the recoil energy associated with the transition. Consequently the energy of the emitted photon differs from the transition energy. "],"dc:identifier":["https://digitalcommons.library.uab.edu/etd-collection/7066"],"dc:subject":["Transition energy","Nuclear levels","Recoil energy","Gamma ray","Crystal lattice"],"dc:title":["Determination of Recoil-Free Fractions From 151Eu Mossbauer Spectra of EuBO3"],"thesis:degree_level":["Thesis"]},"updated_at":"2026-07-24T05:05:40Z"}