91 citations · 512 across the 28 of their papers we have counts for
25 papers · 1 filter
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…
First Experimental Test of the Ratio Method
S. Ota, P. Capel, G. Christian +9
The ratio is a new reaction observable suggested to extract accurately structure information on halo nuclei. It corresponds to the ratio of differential cross sections for scatteri…
First experimental test of the ratio method for nuclear-reaction analysis
S. Ota, P. Capel, G. Christian +9
Nuclear halos are very exotic quantal structures observed far from stability. Because of their short lifetime, they are mostly studied through reactions. The ratio method offers a…
Cluster structure of 3+p states in N
J. Bishop, G. V. Rogachev, S. Ahn +16
Background: Cluster states in N are extremely difficult to measure due to the unavailability of B+ elastic scattering data. Purpose: Using -delayed charged-parti…
Radiative decay branching ratio of the Hoyle state
Zifeng Luo, M. Barbui, J. Bishop +9
Background: The triple-alpha process is a vital reaction in nuclear astrophysics, characterized by two consecutive reactions [] t…
First observation of the 3p decay of via -delayed charged-particle spectroscopy
Jack Bishop, G. V. Rogachev, S. Ahn +16
Background: The -delayed proton-decay of has previously been studied, but the direct observation of -delayed +++p decay has not been reported. Purp…
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…
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…
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…
Search for the high-spin members of the :2n: band in Be
Sriteja Upadhyayula, Grigory V. Rogachev, Jack Bishop +9
Method: Measuring excitation functions for He+ scattering, populating states in the excitation energy range from 4.5 MeV to 8 MeV in Be using a He rare-isotope…
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…
Determining the average prompt-fission-neutron multiplicity for Pu(,) via a Pu(,) surrogate reaction
B. S. Wang, J. T. Burke, O. A. Akindele +7
The average prompt-fission-neutron multiplicity is of significance in the areas of nuclear theory, nuclear nonproliferation, and nuclear energy. In this work, the surrogate…
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…
Precise half-life measurement of the superallowed emitter 30S
V. E. Iacob, J. C. Hardy, L. Chen +6
We have measured the half-life of 30S, the parent of a superallowed 0+-to-0+ beta transition, to high precision using very pure sources and a 4pi proportional gas counter to detect…
Sizeable beta-strength in 31Ar(beta-3p) decay
G. T. Koldste, B. Blank, M. J. G. Borge +18
We present for the first time precise spectroscopic information on the recently discovered decay mode beta-delayed 3p-emission. The detection of the 3p events gives an increased se…
Coulomb displacement energies as a probe for nucleon pairing in the shell
A. Kankainen, T. Eronen, D. Gorelov +8
Coulomb displacement energies of mirror nuclei have been studied via a series of high-precision -value measurements with the double Penning trap mass spectro…
Multi-particle emission in the decay of 31Ar
G. T. Koldste, B. Blank, M. J. G. Borge +20
A multi-hit capacity setup was used to study the decay of the dripline nucleus 31Ar, produced at the ISOLDE facility at CERN. A spectroscopic analysis of the beta-delayed three-pro…
High-statistics measurement of the beta-delayed alpha spectrum of 20Na
K. L. Laursen, O. S. Kirsebom, H. O. U. Fynbo +6
A measurement of the 20Na beta-delayed alpha spectrum with a high-granularity set-up has allowed the decay scheme to be revised on several points. Three new transitions of low inte…
Relative proton and gamma widths of astrophysically important states in 30S studied in the beta-decay of 31Ar
G. T. Koldste, B. Blank, M. J. G. Borge +19
Resonances just above the proton threshold in 30S affect the 29P(p,gamma)30S reaction under astrophysical conditions. The (p,gamma)-reaction rate is currently determined indirectly…
Isomeric states close to doubly magic Sn studied with JYFLTRAP
A. Kankainen, J. Hakala, T. Eronen +10
The double Penning trap mass spectrometer JYFLTRAP has been employed to measure masses and excitation energies for isomers in Cd, Cd, Cd and $^{133…
Precision Mass Measurements beyond Sn: Anomalous behaviour of odd-even staggering of binding energies
J. Hakala, J. Dobaczewski, D. Gorelov +12
Atomic masses of the neutron-rich isotopes Cd, In, Sn, Sb, and Te have been measured with high precision (10 ppb) using…
Q_EC values of the Superallowed beta-Emitters 10-C, 34-Ar, 38-Ca and 46-V
T. Eronen, D. Gorelov, J. Hakala +9
The Q_EC values of the superallowed beta+ emitters 10-C, 34-Ar, 38-Ca and 46-V have been measured with a Penning-trap mass spectrometer to be 3648.12(8), 6061.83(8), 6612.12(7) and…