NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = I.T.Yandow Found 17 matches. 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
2024CA05 Phys.Rev.Lett. 132, 152501 (2024) S.E.Campbell, G.Bollen, B.A.Brown, A.Dockery, C.M.Ireland, K.Minamisono, D.Puentes, B.J.Rickey, R.Ringle, I.T.Yandow, K.Fossez, A.Ortiz-Cortes, S.Schwarz, C.S.Sumithrarachchi, A.C.C.Villari Precision Mass Measurement of the Proton Dripline Halo Candidate 22Al ATOMIC MASSES 22Al; measured frequencies; deduced mass excess value, proton separation energy. Comparison with predictions from sd-shell USD Hamiltonians. Penning trap mass spectrometry, the low energy beam ion trap (LEBIT) facility.
doi: 10.1103/PhysRevLett.132.152501
2023QU02 Phys.Rev. C 107, 024313 (2023) F.G.A.Quarati, G.Bollen, P.Dorenbos, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, D.K.Keblbeck, X.Mougeot, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, J.Surbrook, I.Yandow Measurements and computational analysis of the natural decay of 176Lu RADIOACTIVITY 176Lu(β-), (EC); measured Eγ, Iγ, X-rays, self-scintillation spectra of Lu-containing crystal, Eβ, Iβ, βγ-coin; shape of the β-spectrum Eβ, experimental shape factor, 176Lu β endpoint energy, branching ratios for the β-decay to 6+ and 8+ of 176Hf, Q-values, upper limit for the EC-decay branch. 176Lu(β-); calculated σpectrum Eβ, logft values. 176Yb(2β-); deduced Q-values. Q-values area based on the measured cyclotron frequencies published in this paper. Spectra measurements performed with lutetium-containing scintillator crystals (LuAG:Pr and LSO:Ce) surrounded by NaI(Tl) and CeBr3 spectrometers. ATOMIC MASSES 176Lu, 176Hf, 176Yb; measured cyclotron frequencies ratios for combinations of 176Lu, 176Hf and 176Yb ions among themselves; deduced mass excess for 176Lu and 176Hf based on the known values for 176Yb and measured ratios. Comparison to AME2020 and other experimental data. Penning trap mass spectrometry (PTMS) at Low Energy Beam and Ion Trap (LEBIT) facility at the National Superconducting Cyclotron Laboratory (NSCL).
doi: 10.1103/PhysRevC.107.024313
2023YA31 Phys.Rev. C 108, 065802 (2023) I.T.Yandow, A.Abdullah-Smoot, G.Bollen, A.Hamaker, C.R.Nicoloff, D.Puentes, M.Redshaw, K.Gulyuz, Z.Meisel, W.-J.Ong, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.A.Valverde Mass measurement of 27P to constrain type-I x-ray burst models and validate the isobaric multiplet mass equation for the A=27, T=3/2 isospin quartet
doi: 10.1103/PhysRevC.108.065802
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
2022ME04 Phys.Rev. C 105, 025804 (2022) Z.Meisel, A.Hamaker, G.Bollen, B.A.Brown, M.Eibach, K.Gulyuz, C.Izzo, C.Langer, F.Montes, W.-J.Ong, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, H.Schatz, S.Schwarz, C.S.Sumithrarachchi, A.A.Valverde, I.T.Yandow Improved nuclear physics near A=61 refines urca neutrino luminosities in accreted neutron star crusts ATOMIC MASSES 61Zn; measured time of flight, cyclotron frequency; deduced mass excess. Compared with AME2020 results. Low Energy Beam and Ion Trap (LEBIT) facility at the NSCL. NUCLEAR REACTIONS 61Zn, 60Cu(p, γ), T=0.10-10 GK; deduced Q from obtained new value for 61Zn atomic mass, astrophysical reaction rates. Computed neutrino luminosity from the mass number A = 61 urca cooling source in accreted neutron-star crusts. Comparison to NON-SMOKER, TALYS codes results.
doi: 10.1103/PhysRevC.105.025804
2022PO06 Phys.Rev. C 106, 024312 (2022) W.S.Porter, E.Dunling, E.Leistenschneider, J.Bergmann, G.Bollen, T.Dickel, K.A.Dietrich, A.Hamaker, Z.Hockenbery, C.Izzo, A.Jacobs, A.Javaji, B.Kootte, Y.Lan, I.Miskun, I.Mukul, T.Murbock, S.F.Paul, W.R.Plass, D.Puentes, M.Redshaw, M.P.Reiter, R.Ringle, J.Ringuette, R.Sandler, C.Scheidenberger, R.Silwal, R.Simpson, C.S.Sumithrarachchi, A.Teigelhofer, A.A.Valverde, R.Weil, I.T.Yandow, J.Dilling, A.A.Kwiatkowski Investigating nuclear structure near N=32 and N=34: Precision mass measurements of neutron-rich Ca, Ti, and V isotopes ATOMIC MASSES 54Ca, 52,54,55,56Ti, 54,55,56,57,58V; measured time-of-flight ion-cyclotron-resonances (ToF-ICR) using TRIUMF-TITAN multiple-reflection time-of-flight mass spectrometer (MR-ToF-MS) and the NSCL(MSU)-LEBIT Penning trap mass spectrometer; deduced mass excesses. Comparison with evaluated data in AME2020, and with valence-space in-medium similarity renormalization group (VS-IMSRG) calculations. Systematics of S(2n) values in 46,47,48,49,50,51K, 47,48,49,50,51,52,53,54Ca, 48,49,50,51,52,53,54,55,56,57Sc, 49,50,51,52,53,54,55,56,57Sc, 49,50,51,52,53,54,55,56Ti, 50,51,52,53,54,55,56,57,58,59V, 51,52,53,54,55,56,57,58,59,60Cr.
doi: 10.1103/PhysRevC.106.024312
2022PU01 Phys.Rev. C 106, L012801 (2022) D.Puentes, Z.Meisel, G.Bollen, A.Hamaker, C.Langer, E.Leistenschneider, C.Nicoloff, W.-J.Ong, M.Redshaw, R.Ringle, C.S.Sumithrarachchi, J.Surbrook, A.A.Valverde, I.T.Yandow High-precision mass measurement of 24Si and a refined determination of the rp process at the A=22 waiting point ATOMIC MASSES 24Si; measured time-of-flight ion Ramsey cyclotron resonance using Low Energy Beam and Ion Trap (LEBIT) facility at NSCL-MSU; deduced precise mass excess of 24Si using and compared with evaluated data in AME2020, effect on the determination of the rp process at 22Mg waiting point. 24Si produced in 9Be(28Si, X), E=160 MeV/nucleon, followed by separation of fragments using A1900 separator, and magnetic dipole mass separator. NUCLEAR REACTIONS 23Al(p, γ)24Si, T=0.1-1.1 GK; deduced astrophysical reaction rates using resonance levels in 24Si, spectroscopic factors, Γγ and Γp from experimental data and NUSHELLX shell-model calculations. Comparison with literature results for 23Al(p, γ)24Si, 22Mg(p, γ)23Al and 22Mg(α, p)25Al reactions. 22Mg(α, p), T=0.6-1.9 GK; deduced (α, p) flow as function of temperature, onset temperature of the (α, p) process at the 22Mg waiting point to a precision of 9%. Relevance to rp process.
doi: 10.1103/PhysRevC.106.L012801
2021HA47 Nat.Phys. 17, 1408 (2021) A.Hamaker, E.Leistenschneider, R.Jain, G.Bollen, S.A.Giuliani, K.Lund, W.Nazarewicz, L.Neufcourt, C.R.Nicoloff, D.Puentes, R.Ringle, C.S.Sumithrarachchi, I.T.Yandow Precision mass measurement of lightweight self-conjugate nucleus 80Zr ATOMIC MASSES 80,81,82,83Zr; measured time of flight, frequencies; deduced mass excesses, weighted average frequency ratio. Comparison with AME20. Low Energy Beam and Ion Trap (LEBIT) facility.
doi: 10.1038/s41567-021-01395-w
2021LE02 Phys.Rev.Lett. 126, 042501 (2021) E.Leistenschneider, E.Dunling, G.Bollen, B.A.Brown, J.Dilling, A.Hamaker, J.D.Holt, A.Jacobs, A.A.Kwiatkowski, T.Miyagi, W.S.Porter, D.Puentes, M.Redshaw, M.P.Reiter, R.Ringle, R.Sandler, C.S.Sumithrarachchi, A.A.Valverde, I.T.Yandow, TITAN Collaboration Precision Mass Measurements of Neutron-Rich Scandium Isotopes Refine the Evolution of N = 32 and N = 34 Shell Closures ATOMIC MASSES 50,51,52,53,54,55Sc; measured frequencies of cyclotron motion; deduced TOF-ICR spectrum, mass excess, mass ratios. Comparison with the AME2016 atomic mass evaluation data, predictions from both ab initio and phenomenological nuclear theories.
doi: 10.1103/PhysRevLett.126.042501
2021SU04 Phys.Rev. C 103, 014323 (2021) J.Surbrook, G.Bollen, M.Brodeur, A.Hamaker, D.Perez-Loureiro, D.Puentes, C.Nicoloff, M.Redshaw, R.Ringle, S.Schwarz, C.S.Sumithrarachchi, L.J.Sun, A.A.Valverde, A.C.C.Villari, C.Wrede, I.T.Yandow First Penning trap mass measurement of 36Ca ATOMIC MASSES 36Ca; measured masses of 36Ca+ and 36Ca2+ by the time-of-flight ion cyclotron resonance method using the LEBIT 9.4 T Penning-trap facility at NSCL-MSU; deduced mass excess and compared with AME2016 evaluation; interpreted result in the context of the isobaric multiplet mass equation (IMME) and a new ab initio derived calculation that extends the IMME with excellent agreement in the A=36, T=2 isobaric multiplet with the quadratic IMME, and only qualitative agreement with the generalized IMME (GIMME) predictions. Radioactive beam of 36Ca produced in 9Be(40Ca, X), E=140 MeV/nucleon at the Coupled Cyclotron Facility, followed by selection and purification by A1900 fragment separator.
doi: 10.1103/PhysRevC.103.014323
2020PU02 Phys.Rev. C 101, 064309 (2020) D.Puentes, G.Bollen, M.Brodeur, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, S.M.Lenzi, M.MacCormick, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, P.Schury, N.A.Smirnova, J.Surbrook, A.A.Valverde, A.C.C.Villari, I.T.Yandow High-precision mass measurements of the isomeric and ground states of 44V: Improving constraints on the isobaric multiplet mass equation parameters of the A=44, 0+ quintet ATOMIC MASSES 44,44mV; measured cyclotron frequencies, mass excesses of ground and isomeric state using the time-of-flight ion cyclotron resonance method with the Penning trap mass spectrometer LEBIT of NSCL-MSU. 44V beam was produced in 9Be(58Ni, X), E=160 MeV/nucleon reaction and purified in the A1900 Fragment Separator. 44V; deduced levels, J, π, energy of the isomeric state, S(p). 44Cr; discussed β+ and proton decay of 44Cr and constraint on its mass. 44V, 44Sc, 44Ti; analyzed coefficients of quadratic isobaric multiplet mass equation (IMME) coefficients, mirror and triplet energy differences of T=1 triplet as a function of spin. A=42-58; analyzed experimental and theoretical coefficients of the lowest triplets in the pf shell for even-A nuclei. Comparison with previous experimental values, and with theoretical predictions.
doi: 10.1103/PhysRevC.101.064309
2019SA36 Phys.Rev. C 100, 014308 (2019) R.Sandler, G.Bollen, J.Dissanayake, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, X.Mougeot, D.Puentes, F.G.A.Quarati, M.Redshaw, R.Ringle, I.Yandow Direct determination of the 138La β-decay Q value using Penning trap mass spectrometry ATOMIC MASSES 138La, 138Ce, 138Ba, 136Xe; measured cyclotron frequency ratios, time-of-flight ion cyclotron resonance for 138La using Penning trap mass spectrometry at LEBIT-NSCL-MSU facility; deduced atomic mass excesses. Comparison with AME-2016 evaluation. RADIOACTIVITY 138La(β-), (EC); 138Ce(2EC); deduced Q values; calculated 138La β-decay curve, experimental shape factor, 138La ϵ decay probability ratios for K, L, and M shells. Comparison with previous measurements.
doi: 10.1103/PhysRevC.100.014308
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
2019SU25 Hyperfine Interactions 240, 65 (2019) J.Surbrook, M.MacCormick, G.Bollen, M.Brodeur, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, S.M.Lenzi, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, P.Schury, N.Smirnova, C.Sumithrarachchi, A.A.Valverde, A.C.C.Villari, I.T.Yandow Precision mass measurements of 44V and 44mV for nucleon-nucleon interaction studies ATOMIC MASSES 44V, 44mV; measured frequencies, TOF; deduced masses. Penning trap mass spectrometry in the LEBIT 9.4 T Penning trap at the National Superconducting Cyclotron Laboratory at Michigan State University.
doi: 10.1007/s10751-019-1602-y
2018ON01 Phys.Rev. C 98, 065803 (2018) W.-J.Ong, A.A.Valverde, M.Brodeur, G.Bollen, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, J.Surbrook, A.C.C.Villari, I.T.Yandow Mass measurement of 51Fe for the determination of the 51Fe(p, γ)52Co reaction rate ATOMIC MASSES 51Fe; measured time of flight, cyclotron frequency ratios, and mass excess using the Penning trap of LEBIT-NSCL. 52Co; deduced S(p). Comparison with data in AME-2016 evaluation. NUCLEAR REACTIONS 51Fe(p, γ), T9=0.1-10; calculated astrophysical reaction rates; deduced REACLIB fits at 0.1-10 GK. NUCLEAR STRUCTURE 52Co; calculated levels in the unbound region from 1560 to 3989 keV, proton resonances, J, π, Γp, Γγ, spectroscopic factors, using shell model with the GXPF1A interaction.
doi: 10.1103/PhysRevC.98.065803
2018VA01 Phys.Rev.Lett. 120, 032701 (2018) A.A.Valverde, M.Brodeur, G.Bollen, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, W.-J.Ong, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, J.Surbrook, A.C.C.Villari, I.T.Yandow High-Precision Mass Measurement of 56Cu and the Redirection of the rp-Process Flow ATOMIC MASSES 56Cu; measured time-of-flight ion cyclotron resonance; deduced cyclotron frequency ratios, mass excess. Comparison with AME2016 and available data.
doi: 10.1103/PhysRevLett.120.032701
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