166 citations · 613 across the 32 of their papers we have counts for
24 papers · 1 filter
Extremely large oblate deformation of the first excited state in C: a new challenge to modern nuclear theory
C. Ngwetsheni, J. N. Orce, P. Navrátil +14
A Coulomb-excitation study of the high-lying first excited state at 4.439 MeV in the nucleus C has been carried out using the Pb(C,C)Pb…
Proton-unbound states in relevant for the reaction in novae
E. C. Vyfers, V. Pesudo, S. Triambak +13
Background: The nucleosynthesis of several proton-rich nuclei is determined by radiative proton-capture reactions on unstable nuclei in nova explosions. One such reaction is $^{23}…
Fine structure of the isoscalar giant monopole resonance in Ni, Zr, Sn and Pb
A. Bahini, P. von Neumann-Cosel, J. Carter +26
Over the past two decades high energy-resolution inelastic proton scattering studies were used to gain an understanding of the origin of fine structure observed in the isoscalar gi…
study of states in : Implications for new physics searches with xenon detectors
B. M. Rebeiro, S. Triambak, P. E. Garrett +21
We used the Ba reaction to carry out an in-depth study of states in Cs, up to around 2.5~MeV. In this work, we place emphasis on hitherto unobserved states b…
Neutrinoless Double Beta Decay
C. Adams, K. Alfonso, C. Andreoiu +229
This White Paper, prepared for the Fundamental Symmetries, Neutrons, and Neutrinos Town Meeting related to the 2023 Nuclear Physics Long Range Plan, makes the case for double beta…
Isoscalar giant monopole strength in Ni, Zr, Sn and Pb
A. Bahini, R. Neveling, P. von Neumann-Cosel +22
Inelastic -particle scattering at energies of a few hundred MeV and very-forward scattering angles including has been established as a tool for the study of the isosca…
Proton capture on P in novae: On the existence of states at MeV and MeV in S
M. Kamil, S. Triambak, G. C. Ball +10
We use a high resolution measurement to investigate the claimed existence of a 6401(3) keV state in S that may affect the nuclear rea…
Isospin Mixing and the Cubic Isobaric Multiplet Mass Equation in the Lowest T = 2, A = 32 Quintet
M. Kamil, S. Triambak, A. Magilligan +24
The isobaric multiplet mass equation (IMME) is known to break down in the first T = 2, A = 32 isospin quintet. In this work we combine high-resolution experimental data with state-…
NEXO: Neutrinoless double beta decay search beyond year half-life sensitivity
nEXO Collaboration, G. Adhikari, S. Al Kharusi +158
The nEXO neutrinoless double beta decay experiment is designed to use a time projection chamber and 5000 kg of isotopically enriched liquid xenon to search for the decay in $^{136}…
Spectroscopy of states in using the reaction
B. M. Rebeiro, S. Triambak, P. E. Garrett +16
Background: The Ba isotope is the daughter nucleus in Xe decay. It also lies in a shape transitional region of the nuclear chart, making it a suitable candidat…
Investigation of pair-correlated states in Ba via the Ba() reaction
J. C. Nzobadila Ondze, B. M. Rebeiro, S. Triambak +13
We performed a high resolution study of states in Ba using the Ba() two-neutron transfer reaction. Our experiment shows a significant portion of the $L…
Benchmarking Xe Neutrinoless Decay Matrix Element Calculations with the Reaction
B. M. Rebeiro, S. Triambak, P. E. Garrett +18
We used a high-resolution magnetic spectrograph to study neutron pair-correlated states in Ba, produced via the reaction. In conjunction with st…
Shell evolution approaching the N=20 island of inversion: Structure of 29Mg
A. Matta, W. N. Catford, N. A. Orr +36
The "Island of Inversion" for neutron-rich nuclei in the vicinity of N=20 has become the testing ground par excellence for our understanding and modelling of shell evolution with i…
Second T = 3/2 state in B and the isobaric multiplet mass equation
N. J. Mukwevho, B. M. Rebeiro, D. J. Marín-Lámbarri +17
Recent high-precision mass measurements and shell model calculations~[Phys. Rev. Lett. {\bf 108}, 212501 (2012)] have challenged a longstanding explanation for the requirement of a…
Precise branching ratio measurements in Ne beta decay and fundamental tests of the weak interaction
B. M. Rebeiro, S. Triambak, P. Z. Mabika +25
We used the 8 -ray spectrometer at the TRIUMF-ISAC radiocative ion beam facility to obtain high-precision branching ratios for Ne decay to excited states in $^{1…
High-resolution (p,t) reaction measurements as spectroscopic tests of {\it ab-initio} theory in the mid -shell
K. G. Leach, J. D. Holt, P. E. Garrett +18
Detailed spectroscopic measurements of excited states in Cr and Zn were performed using 24~MeV (p,t) transfer reactions on Cr and Zn, respectively. In t…
Reorientation-effect measurement of the first 2 state in C: confirmation of oblate deformation
M. Kumar Raju, J. N. Orce, P. Navratil +6
A Coulomb-excitation reorientation-effect measurement using the TIGRESS ray spectrometer at the TRIUMF/ISAC II facility has permitted the first determination of the $\langle 2^…
Characterization of the proposed 4-α cluster state candidate in 16O
K. C. W. Li, R. Neveling, P. Adsley +14
The reaction was studied at at an incident energy of = 200 MeV using the K600 magnetic spectrometer at iThem…
Shell evolution approaching the N=20 island of inversion: structure of 26Na
G. L. Wilson, W. N. Catford, N. A. Orr +37
The levels in 26Na with single particle character have been observed for the first time using the d(25Na,p gamma) reaction at 5 MeV/nucleon. The measured excitation energies and th…
High-Precision Measurement of the 19Ne Half-Life and Implications for Right-Handed Weak Currents
S. Triambak, P. Finlay, C. S. Sumithrarachchi +21
We report a precise determination of the 19Ne half-life to be s. This result disagrees with the most recent precision measurements and is important for…
The beta Decay of 32Cl: Precision gamma-Ray Spectroscopy and a Measurement of Isospin-Symmetry Breaking
D. Melconian, S. Triambak, C. Bordeanu +10
Background: Models to calculate small isospin-symmetry-breaking effects in superallowed Fermi decays have been placed under scrutiny in recent years. A stringent test of these mode…
Experimental Validation of the Largest Calculated Isospin-Symmetry-Breaking Effect in a Superallowed Fermi Decay
D. Melconian, S. Triambak, C. Bordeanu +10
A precision measurement of the gamma yields following the beta decay of 32Cl has determined its isobaric analogue branch to be (22.47^{+0.21}_{-0.19})%. Since it is an almost pure…
Electron-capture branch of 100Tc and tests of nuclear wave functions for double-beta decays
S. K. L. Sjue, D. Melconian, A. Garcia +18
We present a measurement of the electron-capture branch of Tc. Our value, , implies that the Mo neutrino absorption cro…
The 3He + 4He --> 7Be Astrophysical S-factor
T. A. D. Brown, C. Bordeanu, K. A. Snover +5
We present precision measurements of the 3He + 4He --> 7Be reaction in the range ECM = 0.33 to 1.23 MeV using a small gas cell and detection of both prompt gamma rays and 7Be activ…