NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 27, 2024.

Search: Author = N.D.Gamage

Found 7 matches.

Back to query form

2024BH03      Phys.Rev. C 109, L022501 (2024)

R.Bhandari, G.Bollen, T.Brunner, N.D.Gamage, A.Hamaker, Z.Hockenbery, M.Horana Gamage, D.K.Keblbeck, K.G.Leach, D.Puentes, M.Redshaw, R.Ringle, S.Schwarz, C.S.Sumithrarachchi, I.Yandow

First direct ⁷Be electron-capture Q-value measurement toward high-precision searches for neutrino physics beyond the Standard Model

doi: 10.1103/PhysRevC.109.L022501
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2023KE01      Phys.Rev. C 107, 015504 (2023)

D.K.Keblbeck, R.Bhandari, N.D.Gamage, M.H.Gamage, K.G.Leach, X.Mougeot, M.Redshaw

Updated evaluation of potential ultralow Q-value β-decay candidates

RADIOACTIVITY ⁴⁷Ca, ^74,77As, ⁹⁸Tc, ^124,127Sb, ¹³¹I, ¹³³Xe, ^135,136Cs, ¹⁴⁰Ba, ¹⁴⁰La, ^148,151Pm, ^154,155,156Eu, ¹⁶¹Tb, ¹⁶⁶Dy, ¹⁶⁶Er, ¹⁷¹Tm, ^182,183Ta, ^186,189Re, ¹⁸⁸W, ¹⁹³Os, ¹⁹⁹Au(β^-); ⁵⁶Co, ⁵⁷Ni, ^73,74As, ⁷⁵Se, ⁷⁷Br, ⁸¹Kr, ^96,97Tc, ¹⁰¹Rh, ¹¹¹In, ¹¹³Sn, ¹²⁴I, ^129,132Cs, ¹⁴⁶Pm, ^146,147Eu, ^156,157Tb, ¹⁵⁹Dy, ¹⁶⁷Tm, ¹⁶⁹Yb, ^169,173,174Lu, ¹⁷⁵Hf, ¹⁷⁷Ta, ^183,184Re, ¹⁹⁰Ir, ^194,195Hg, ¹⁹⁵Au, ²⁰⁰Tl, ²⁰⁵Bi(EC); ⁴⁸V, ⁵⁶Ni, ⁷⁹Kr, ⁸³Sr, ¹⁰⁵Ag, ^144,146Pm, ^145,146,148Eu, ¹⁵³Tb, ^169,171Lu, ¹⁸⁸Ir(β⁺); analyzed and evaluated potential ultraslow Q-values in β^-, ϵ and β⁺ decays. ¹³⁶Cs, ^155,156Eu, ¹⁸⁸W(β^-); ⁵⁶Co, ⁸¹Kr, ⁹⁷Tc, ¹⁴⁶Pm, ¹⁵⁷Tb, ¹⁷³Lu, ¹⁷⁵Hf, ¹⁸³Re, ¹⁹⁵Au(EC); ¹⁰⁵Ag, ^144,146Pm, ¹⁴⁸Eu(β⁺); deduced most promising candidates for ultralow Q value (1 keV or less) in allowed and first-forbidden β decays. Relevance to neutrino mass determination and as a testing ground for atomic interference effects in the nuclear β-decay process.

doi: 10.1103/PhysRevC.107.015504
Citations: PlumX Metrics

2022GA27      Phys.Rev. C 106, 045503 (2022)

N.D.Gamage, R.Sandler, F.Buchinger, J.A.Clark, D.Ray, R.Orford, W.S.Porter, M.Redshaw, G.Savard, K.S.Sharma, A.A.Valverde

Precise Q-value measurements of ^{112, 113}Ag and ¹¹⁵Cd with the Canadian Penning trap for evaluation of potential ultralow Q-value β decays

RADIOACTIVITY ^112,113Ag, ¹¹⁵Cd(β^-); measured cyclotron frequency ratios of singly charged parent and daughter ions; deduced Q values of g.s to g.s decay, log ft, partial T_1/2. On the basis of measured values and existing level schemes evaluated ultralow Q-values for potential decay branches to the excited states. Comparison to AME2020 evaluation. Canadian Penning trap mass spectrometer coupled to the californium rare isotope breeder upgrade (CARIBU) facility at ANL. Comparison to AME2020 evaluation.

ATOMIC MASSES ^112,113Ag, ¹¹⁵Cd; measured cyclotron frequency; deduced mass excesses. Comparison to AME2020 evaluation.

doi: 10.1103/PhysRevC.106.045503
Citations: PlumX Metrics

2022GA36      Phys.Rev. C 106, 065503 (2022)

M.H.Gamage, R.Bhandari, G.Bollen, N.D.Gamage, A.Hamaker, D.Puentes, M.Redshaw, R.Ringle, S.Schwarz, C.S.Sumithrarachchi, I.Yandow

Identification of a potential ultralow-Q-value electron-capture decay branch in ⁷⁵Se via a precise Penning trap measurement of the mass of ⁷⁵As

ATOMIC MASSES ⁷⁵As; measured cyclotron frequency; deduced mass excess. Ramsey TOF-ICR technique. Comparison to AME2020 and previous experimental values. Penning trap at LEBIT facility (FRIB).

RADIOACTIVITY ⁷⁵Se(EC), ⁷⁵Ge(β^-); deduced Q-values using new mass value of ⁷⁵As. Comparison to other experimental data.

doi: 10.1103/PhysRevC.106.065503
Citations: PlumX Metrics

2019SA39      Phys.Rev. C 100, 024309 (2019)

R.Sandler, G.Bollen, N.D.Gamage, A.Hamaker, C.Izzo, D.Puentes, M.Redshaw, R.Ringle, I.Yandow

Investigation of the potential ultralow Q-value β-decay candidates ⁸⁹Sr and ¹³⁹Ba using Penning trap mass spectrometry

ATOMIC MASSES ⁸⁹Y, ¹³⁹La; measured cyclotron frequency ratios, and mass excesses using LEBIT facility at NSCL-MSU, with ^85,87Rb as references for ⁸⁹Y and ¹³⁶Xe for ¹³⁹La; deduced Q(β^-) values for ⁸⁹Sr to ⁸⁹Y and ¹³⁹Ba to ¹³⁹La decays. Comparison with AME-2016 values. Discussed potential ultra-low Q values for decay to excited states in ⁸⁹Y and ¹³⁹La.

doi: 10.1103/PhysRevC.100.024309
Citations: PlumX Metrics

2017KA53      Phys.Rev. C 96, 044321 (2017)

R.M.E.B.Kandegedara, G.Bollen, M.Eibach, N.D.Gamage, K.Gulyuz, C.Izzo, M.Redshaw, R.Ringle, R.Sandler, A.A.Valverde

β-decay Q values among the A = 50 Ti-V-Cr isobaric triplet and atomic masses of ^{46, 47, 49, 50}Ti, ^{50, 51}V, and ^{50, 52-54}Cr

ATOMIC MASSES ^46,47,49,50Ti, ^50,51V, ^50,52,53,54Cr; measured cyclotron frequency ratios with respect to ⁴⁸Ti using Low Energy Beam and Ion Trap (LEBIT) facility at NSCL-MSU; deduced mass excesses and compared with AME-2016 values. ^48,49,50Ti; deduced S(n) and compared with experimental values from (n, γ).

RADIOACTIVITY ⁵⁰V(EC), (β^-); ⁵⁰Cr(2EC); deduced Q values from mass excesses and compared with AME-2016 values.

doi: 10.1103/PhysRevC.96.044321
Citations: PlumX Metrics

2016GA33      Phys.Rev. C 94, 025505 (2016)

N.D.Gamage, G.Bollen, M.Eibach, K.Gulyuz, C.Izzo, R.M.E.B.Kandegedara, M.Redshaw, R.Ringle, R.Sandler, A.A.Valverde

Precise determination of the ¹¹³Cd fourth-forbidden non-unique β-decay Q value

ATOMIC MASSES ¹¹³Cd, ^113,115In, ¹¹²Cd; measured cyclotron frequency ratios of ¹¹³In/¹¹⁵In, ¹¹³In/¹¹²Cd, ¹¹³Cd/¹¹⁵In, and ¹¹³Cd/¹¹²Cd by time-of-flight ion-cyclotron-resonance (TOF-ICR) technique using LEBIT Penning trap of NSCL-MSU facility. ¹¹³Cd, ¹¹³In, ¹¹²Cd; deduced mass excesses, precise Q value for the fourth-forbidden β^- transition from the decay of ¹¹³Cd g.s. Comparison with previous experimental results and AME-12 evaluated data. Relevance to ββ decay searches in cadmium and other isotopes.

doi: 10.1103/PhysRevC.94.025505
Citations: PlumX Metrics