A new attempt on measurement of the [superscript 19]F(p,[alpha])[superscript 16]O reaction cross section towards elucidating nucleosynthesis of fluorine

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dc.contributor.advisor Kanungo, Rituparna
dc.creator Jassal, Preetinder
dc.date.accessioned 2020-06-03T17:46:48Z
dc.date.available 2020-06-03T17:46:48Z
dc.date.issued 2020
dc.identifier.other QB450 J37 2020
dc.identifier.uri http://library2.smu.ca/xmlui/handle/01/29368
dc.description 11, 148 leaves ; illustrations (chiefly colour) ; 29 cm
dc.description Includes abstract.
dc.description Includes bibliographical references (leaves 138-148).
dc.description.abstract Galactic fluorine abundance is strongly dependent on the conditions in the astrophysical sites. This feature makes it useful to probe different nucleosynthesis scenarios, mainly in the AGB stars. It is also important in understanding s-process elements production and mixing processes in AGB stars. The observed upper limit of fluorine abundance is much lower than the one predicted with most recent AGB models, hinting at some catalytic material activating fluorine destruction via reactions involving fluorine, in particular <sup>19</sup>F(p,&alpha;)<sup>16</sup>O. Therefore, it is of vital importance to get an insight into this destruction channel. Despite of its importance, the astrophysical S-factor of this reaction is poorly known from previous studies, at astrophysical energies. In this work, observations and data analysis on&nbsp;<sup>19</sup>F(p,&alpha;)<sup>16</sup>O will be discussed. This reaction was measured in inverse kinematics at the ISAC rare isotope beam facility at TRIUMF. The <sup>19</sup>F beam, at mid-target E<sub>cm</sub> = 2.35 MeV, was impinged on a solid hydrogen target at IRIS spectroscopy station. In an attempt to identify the ground state in <sup>16</sup>O, missing mass spectrum technique is used in the analysis
dc.description.provenance Submitted by Greg Hilliard (greg.hilliard@smu.ca) on 2020-06-03T17:46:48Z No. of bitstreams: 1 Jassal_Preetinder_PHD_2020.pdf: 4926297 bytes, checksum: fa634f09e03520fddb45d0950ee212cb (MD5) en
dc.description.provenance Made available in DSpace on 2020-06-03T17:46:48Z (GMT). No. of bitstreams: 1 Jassal_Preetinder_PHD_2020.pdf: 4926297 bytes, checksum: fa634f09e03520fddb45d0950ee212cb (MD5) Previous issue date: 2020-04-21 en
dc.language.iso en en_CA
dc.publisher Halifax, N.S. : Saint Mary's University
dc.subject.lcc QB450
dc.subject.lcsh Nucleosynthesis
dc.subject.lcsh Fluorine
dc.subject.lcsh Cosmic abundances
dc.subject.lcsh Cross sections (Nuclear physics)
dc.title A new attempt on measurement of the [superscript 19]F(p,[alpha])[superscript 16]O reaction cross section towards elucidating nucleosynthesis of fluorine en_CA
dc.title.alternative A new attempt on measurement of the F-19(p,[alpha])O-16 reaction cross section towards elucidating nucleosynthesis of fluorine
dc.type Text en_CA
thesis.degree.name Doctor of Philosophy in Astronomy
thesis.degree.level Doctoral
thesis.degree.discipline Astronomy and Physics
thesis.degree.grantor Saint Mary's University (Halifax, N.S.)
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