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Featured researches published by S.H. Ahn.


APPLICATION OF ACCELERATORS IN RESEARCH AND INDUSTRY: Twenty-Second International Conference | 2013

Single-neutron levels near the N=82 shell closure

B. Manning; J. A. Cizewski; R. L. Kozub; S.H. Ahn; J. M. Allmond; D. W. Bardayan; J.R. Beene; K. Y. Chae; K.A. Chipps; A. Galindo-Uribarri; M. E. Howard; K. L. Jones; J. F. Liang; M. Matos; Caroline D. Nesaraja; P.D. O'Malley; S.D. Pain; E. Padilla-Rodal; W. A. Peters; S. T. Pittman; D. C. Radford; A. Ratkiewicz; K.T. Schmitt; D. Shapira; M. S. Smith

The (d, p) reaction was measured with the radioactive ion beams of 126Sn and 128Sn in inverse kinematics at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory, utilizing the Super ORRUBA silicon detector array. Angular distributions of reaction protons were measured for several states in 127Sn and 129Sn to determine angular momentum transfers and deduce spectroscopic factors. Such information is critical for calculating direct (n,γ) cross sections for the r-process as well as for constraining shell model parameters in the A≈130 region. Combined with previous experiments on 130Sn and 132Sn, these results will provide a complete set of (d, p) reaction data on even tin isotopes between stable 124Sn and doubly-magic 132Sn.


Physical Review C | 2011

Search for a resonant enhancement of the (7)Be + d reaction and primordial (7)Li abundances

P.D. O'Malley; A. S. Adekola; Jolie A. Cizewski; M. E. Howard; S. Strauss; D.W. Bardayan; K. Y. Chae; Caroline D. Nesaraja; Steven D Pain; Michael Scott Smith; S.H. Ahn; K. L. Jones; S. T. Pittman; Kyle Schmitt; S. Graves; R. L. Kozub; J. F. ShrinerJr.; J. L. Wheeler; L. E. Linhardt; M. Matos; B. M. Moazen; W. A. Peters; I. Spassova


Proceedings of the 14th International Symposium on Nuclei in the Cosmos (NIC2016) | 2017

X-ray Burst Studies with the JENSA Gas Jet Target

K. Schmidt; K.A. Chipps; S.H. Ahn; Jacob Allen; D. W. Bardayan; J.C. Blackmon; Drew Blankstein; J. Browne; K. Y. Chae; J. A. Cizewski; C. M. Deibel; Orlando Gomez; U. Greife; U. Hager; Matthew Hall; K. L. Jones; A. Kontos; R. L. Kozub; L. E. Linhardt; M. Matos; Z. Meisel; Fernando Montes; P. D. O’Malley; Wei Jia Ong; S.D. Pain; S. T. Pittman; A. Sachs; H. Schatz; K.T. Schmitt; K. Smith


Physical Review C | 2017

Spectroscopic study of Ne-20 + p reactions using the JENSA gas-jet target to constrain the astrophysical F-18(p, alpha)O-15 rate

D.W. Bardayan; K.A. Chipps; S.H. Ahn; J.C. Blackmon; S. Carmichael; U. Greife; K. L. Jones; Jordi Jose; A. Kontos; R. L. Kozub; L. E. Linhardt; B. Manning; M. Matos; P.D. O'Malley; S. Ota; S.D. Pain; W. A. Peters; S. T. Pittman; A. Sachs; K.T. Schmitt; M. S. Smith; P. Thompson


8th International Conference on Nuclear Physics in Astrophysics, NPA8 2017 | 2017

Constraining the rp-process by measuring 23Al(d,n)24Si with GRETINA and LENDA at NSCL

Clemens Wolf; C. Langer; Fernando Montes; Jorge Pereira; S.H. Ahn; Sara Ayoub; D. Bazin; Peter Bender; Alex Brown; J. Browne; H. L. Crawford; Eric Deleeuw; Brandon Elman; Stefan Fiebiger; A. Gade; Panagiotis Gastis; Samuel Lipschutz; Brenden Longfellow; F. M. Nunes; Wei Jia Ong; Terri Poxon-Pearson; G. Perdikakis; R. Reifarth; H. Schatz; K. Schmidt; Jaclyn Schmitt; Christopher A. Sullivan; Rachel Titus; D. Weisshaar; Philip Woods


8th International Conference on Nuclear Physics in Astrophysics, NPA8 2017 | 2017

X-ray burst studies with the JENSA gas jet target

K. Schmidt; K.A. Chipps; S.H. Ahn; Jacob Allen; Sara Ayoub; D. W. Bardayan; J.C. Blackmon; Drew Blankstein; J. Browne; Soomi Cha; K. Y. Chae; J. A. Cizewski; Catherine M. Deibel; Eric Deleeuw; Orlando Gomez; U. Greife; Ulrike Hager; Matthew Hall; K. L. Jones; Antonios Kontos; R. L. Kozub; E. J. Lee; Alex Lepailleur; L. E. Linhardt; Milan Matos; Z. Meisel; Fernando Montes; Patrick D. O’Malley; Wei Jia Ong; Steven D Pain


Bulletin of the American Physical Society | 2016

Spectroscopic factors near the r-process path using (

D. Walter; J. A. Cizewski; T. Baugher; A. Ratkiewicz; B. Manning; S.D. Pain; F. M. Nunes; S.H. Ahn; Giordano Cerizza; C. Thornsberry; K.L. Jones


Bulletin of the American Physical Society | 2015

d,p)

S.H. Ahn; Fernando Montes; Wei Jia Ong; Zachary Meisel; Jesus Perello


Bulletin of the American Physical Society | 2014

measurements at two energies

D. Walter; J. A. Cizewski; T. Baugher; A. Ratkiewicz; B. Manning; S.J. Lonsdale; S. Burcher; S.D. Pain; K.A. Chipps; F. M. Nunes; S.H. Ahn; P. Thompson; G. Cerizza; C. Thornsberry; K.L. Jones; D.W. Bardayan; P.D. O'Malley; R. L. Kozub; S. Ota


Bulletin of the American Physical Society | 2013

Development of a neutron long-counter system for astrophysical (

A. Bey; K.L. Jones; A. Ayres; S.H. Ahn; J. M. Allmond; D.W. Bardayan; A. Galindo-Uribarri; J. F. Liang; Caroline D. Nesaraja; D. C. Radford; S.D. Pain; S. T. Pittman; D. Shapira; K.T. Schmitt; Smith; D. W. Stracener; R. L. Varner; R. L. Kozub; R. F. Garcia-Ruiz; M. E. Howard; B. Manning; P.D. O'Malley; A. Ratkiewicz; M. Matos; E. Padilla-Rodal

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R. L. Kozub

Tennessee Technological University

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M. Matos

Oak Ridge National Laboratory

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B. Manning

Los Alamos National Laboratory

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Caroline D. Nesaraja

Oak Ridge National Laboratory

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