59 citations · 399 across the 23 of their papers we have counts for
23 papers
Potential absence of observed linear-chain structures in O via C() resonant scattering
J. Bishop, A. Hollands, Tz. Kokolova +14
Background: The preference for light nuclear systems to coagulate into -particle clusters has been well-studied. The possibility of a linear chain configuration of -particles…
Evolution of the nuclear spin-orbit splitting explored via the Si(,)Si reaction using SOLARIS
J. Chen, B. P. Kay, C. R. Hoffman +30
The spin-orbit splitting between neutron 1 orbitals at Si has been deduced using the single-neutron-adding (,) reaction in inverse kinematics with a beam of …
Direct cross-section measurement of the weak r-process 88Sr(α,n)91Zr reaction in ν-driven winds of core collapse supernovae
C. Fougères, M. L. Avila, H. Jayatissa +15
About half of the heavy elements beyond iron are known to be produced by the rapid neutron capture process, known as r-process. However, the astrophysical site producing the r-proc…
Study of the Mg waiting point relevant for x-ray burst nucleosynthesis via the Mg(,)Al reaction
H. Jayatissa, M. L. Avila, K. E. Rehm +13
The Mg(,)Al reaction rate has been identified as a major source of uncertainty for understanding the nucleosynthesis flow in Type-I x-ray bursts (XRBs). We repo…
Optical potentials for the rare-isotope beam era
C. Hebborn, F. M. Nunes, G. Potel +26
We review recent progress and motivate the need for further developments in nuclear optical potentials that are widely used in the theoretical analysis of nucleon elastic scatterin…
Probing the quadrupole transition strength of 15C via deuteron inelastic scattering
J. Chen, B. P. Kay, T. L. Tang +22
Deuteron elastic scattering from 15C and inelastic scattering reactions to the first excited state of 15C were studied using a radioactive beam of 15C in inverse kinematics. The sc…
Quenching of Single-Particle Strength in A=15 Nuclei
B. P. Kay, T. L. Tang, I. A. Tolstukhin +17
Absolute cross sections for the addition of - and -wave neutrons to C and N have been determined simultaneously via the (,) reaction at 10 MeV/u. The diff…
alpha-cluster structure of 18Ne
M. Barbui, A. Volya, E. Aboud +15
In this work we study alpha-clustering in 18Ne and compare it with what is known about clustering in the mirror nucleus 18O. The excitation function of 18Ne was measured in inverse…
Horizons: Nuclear Astrophysics in the 2020s and Beyond
H. Schatz, A. D. Becerril Reyes, A. Best +162
Nuclear Astrophysics is a field at the intersection of nuclear physics and astrophysics, which seeks to understand the nuclear engines of astronomical objects and the origin of the…
Zn -delayed proton emission establishes the Ni -process waiting point bypass
M. Saxena, W. -J Ong, Z. Meisel +32
We measured the Zn -delayed proton (p) and emission at the National Superconducting Cyclotron Laboratory. We find a Zn half-life of 43.6 0.2 ms, p…
In-flight production of an isomeric beam of N
C. R. Hoffman, T. L. Tang, M. Avila +10
An in-flight beam of N was produced via the single-neutron adding (,) reaction in inverse kinematics at the recently upgraded Argonne Tandem Linear Accelerator System…
First direct measurement of the N(,)O reaction relevant for core-collapse supernovae nucleosynthesis
H. Jayatissa, M. L. Avila, K. E. Rehm +10
Understanding the explosion mechanism of a core-collapse supernova (CCSN) is important to accurately model CCSN scenarios for different progenitor stars using model-observation com…
Study of the Isomeric State in N Using the N(,He) Reaction
T. L. Tang, C. R. Hoffman, B. P. Kay +19
The isomeric state of N was studied using the N(,He)~proton-removal reactions at \mbox{11.8~MeV/} in inverse kinematics. The N beam, of which…
Study of (Li, ) and (Li, ) reactions on Ne and implications for -process nucleosynthesis
S. Ota, G. Christian, W. N. Catford +20
We studied cluster states in Mg via the Ne(Li,)Mg reaction in inverse kinematics at an energy of MeV/nucleon. States between = 4 - 12 M…
Elastic scattering measurements for the C + Pb system at E = 66 MeV
R Linares, Mandira Sinha, E N Cardozo +17
Background: The influence of halo structure of He, B, Be and Li nuclei in several mechanisms such as direct reactions and fusion is already established, altho…
Almost medium-free measurement of the Hoyle state direct-decay component with a TPC
J. Bishop, G. V. Rogachev, S. Ahn +14
Background: The structure of the Hoyle state, a highly -clustered state at 7.65 MeV in , has long been the subject of debate. Understanding if the system compri…
Evidence against the Efimov effect in from spectroscopy and astrophysics
J. Bishop, G. V. Rogachev, S. Ahn +16
Background: The Efimov effect is a universal phenomenon in physics whereby three-body systems are stabilized via the interaction of an unbound two-body sub-systems. A hypothetical…
Constraining the Ne(,)Mg and Ne(,n)Mg reaction rates using sub-Coulomb -transfer reactions
H. Jayatissa, G. V. Rogachev, V. Z. Goldberg +9
The Ne(,)Mg and Ne(,n)Mg reactions play an important role in astrophysics because they have significant influence on the neutron flux during th…
Decay properties of resonances and their impact on -process nucleosynthesis
S. Ota, G. Christian, G. Lotay +15
The astrophysical -process is one of the two main processes forming elements heavier than iron. A key outstanding uncertainty surrounding -process nucleosynthesis is the neut…
Texas Active Target (TexAT) detector for experiments with rare isotope beams
E. Koshchiy, G. V. Rogachev, E. Pollacco +14
The TexAT (Texas Active Target) detector is a new active-target time projection chamber (TPC) that was built at the Cyclotron Institute Texas AM University. The detector is des…
Structure of 9C through proton resonance scattering with Texas Active Target detector
J. Hooker, G. V. Rogachev, E. Koshchiy +9
Background: Level structure of the most neutron deficient nucleon-bound carbon isotope, 9C, is not well known. Definitive spin-parity assignments are only available for two excited…
Structure of 10N in 9C+p resonance scattering
J. Hooker, G. V. Rogachev, V. Z. Goldberg +8
The structure of exotic nucleus 10N was studied using 9C+p resonance scattering. Two L=0 resonances were found to be the lowest states in 10N. The ground state of 10N is unbound wi…
Nuclear structure beyond the neutron drip line: the lowest energy states in He via their T=5/2 isobaric analogs in Li
E. Uberseder, G. V. Rogachev, V. Z. Goldberg +10
The level structure of the very neutron rich and unbound He nucleus has been the subject of significant experimental and theoretical study. Many recent works have claimed that…