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A Ratkiewicz

Explore the profile of A Ratkiewicz including associated specialties, affiliations and a list of published articles. Areas
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Articles 21
Citations 3
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Recent Articles
1.
Bleuel D, Anderson S, Bernstein L, Brown J, Caggiano J, Goldblum B, et al.
Appl Radiat Isot . 2022 Oct; 190:110509. PMID: 36306679
To determine the safety of using argon as a deuteron beam stopping material, the  Ar(d,p)Ar cross section was measured at average deuteron energies of 3.6 MeV, 5.5 MeV, and 7.0...
2.
Hall M, Bardayan D, Baugher T, Lepailleur A, Pain S, Ratkiewicz A, et al.
Phys Rev Lett . 2019 Mar; 122(5):052701. PMID: 30822026
Detection of nuclear-decay γ rays provides a sensitive thermometer of nova nucleosynthesis. The most intense γ-ray flux is thought to be annihilation radiation from the β^{+} decay of ^{18}F, which...
3.
Ratkiewicz A, Cizewski J, Escher J, Potel G, Burke J, Casperson R, et al.
Phys Rev Lett . 2019 Mar; 122(5):052502. PMID: 30822004
The neutron-capture reaction plays a critical role in the synthesis of the elements in stars and is important for societal applications including nuclear power generation and stockpile-stewardship science. However, it...
4.
Ratkiewicz A, Berzak Hopkins L, Bleuel D, Bernstein L, van Bibber K, Cassata W, et al.
Rev Sci Instrum . 2016 Dec; 87(11):11D825. PMID: 27910358
The high-fluence neutron spectrum produced by the National Ignition Facility (NIF) provides an opportunity to measure the activation of materials by fast-spectrum neutrons. A new large-volume gas-cell diagnostic has been...
5.
Madurga M, Paulauskas S, Grzywacz R, Miller D, Bardayan D, Batchelder J, et al.
Phys Rev Lett . 2016 Sep; 117(9):092502. PMID: 27610848
The β-delayed neutron emission of ^{83,84}Ga isotopes was studied using the neutron time-of-flight technique. The measured neutron energy spectra showed emission from states at excitation energies high above the neutron...
6.
Milne S, Bentley M, Simpson E, Baugher T, Bazin D, Berryman J, et al.
Phys Rev Lett . 2016 Sep; 117(8):082502. PMID: 27588851
One-neutron knockout reactions have been performed on a beam of radioactive ^{53}Co in a high-spin isomeric state. The analysis is shown to yield a highly selective population of high-spin states...
7.
Marchi T, de Angelis G, Valiente-Dobon J, Bader V, Baugher T, Bazin D, et al.
Phys Rev Lett . 2014 Nov; 113(18):182501. PMID: 25396363
The reduced transition probability B(E2;0(+)→2(+)) has been measured for the neutron-rich nucleus (74)Ni in an intermediate energy Coulomb excitation experiment performed at the National Superconducting Cyclotron Laboratory at Michigan State...
8.
Crawford H, Clark R, Fallon P, Macchiavelli A, Baugher T, Bazin D, et al.
Phys Rev Lett . 2014 Aug; 110(24):242701. PMID: 25165918
Intermediate-energy Coulomb excitation measurements are performed on the N ≥ 40 neutron-rich nuclei (66,68)Fe and (64)Cr. The reduced transition matrix elements providing a direct measure of the quadrupole collectivity B(E2;2(1)(+)...
9.
Allmond J, Stuchbery A, Beene J, Galindo-Uribarri A, Liang J, Padilla-Rodal E, et al.
Phys Rev Lett . 2014 May; 112(17):172701. PMID: 24836240
Single-neutron states in (133)Sn and (209)Pb, which are analogous to single-electron states outside of closed atomic shells in alkali metals, were populated by the ((9)Be, (8)Be) one-neutron transfer reaction in...
10.
Davies P, Bentley M, Henry T, Simpson E, Gade A, Lenzi S, et al.
Phys Rev Lett . 2013 Sep; 111(7):072501. PMID: 23992059
The first spectroscopy of excited states in 52Ni (T(z)=-2) and 51Co (T(z)=-3/2) has been obtained using the highly selective two-neutron knockout reaction. Mirror energy differences between isobaric analogue states in...