NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 26, 2024.

Search: Author = K.Gulyuz

Found 20 matches.

Back to query form

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
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2018IZ01      Phys.Rev. C 97, 014309 (2018)

C.Izzo, G.Bollen, M.Brodeur, M.Eibach, K.Gulyuz, J.D.Holt, J.M.Kelly, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, S.R.Stroberg, C.S.Sumithrarachchi, A.A.Valverde, A.C.C.Villari

Precision mass measurements of neutron-rich Co isotopes beyond N=40

ATOMIC MASSES ^68,69Co; measured time-of-flight ion cyclotron resonances (TOF-ICR), mass excesses using LEBIT Penning trap system at NSCL-MSU facility. Comparison with AME-2016 values. Systematics of S(2n) values in N=36-44 Fe, Co, Ni and Cu nuclides. Discussed low- and high-spin isomers in ⁶⁸Co and ⁶⁹Co, and concluded the main contribution from the high-spin activities.

RADIOACTIVITY ^68,69Co(β^-)[from ⁹Be(⁷⁶Ge, X), E=130 MeV/nucleon followed by fragment selection using A1900 fragment separator]; measured Eγ, Iγ from the decay of ⁶⁸Co. ^68,69Co; calculated levels, J, π by ab initio approach using the valence-space in-medium similarity renormalization group (VS-IMSRG) framework based on two-nucleon (NN) and three-nucleon (3N) forces from chiral effective field theory; discussed energy ordering of the ground state and isomer.

doi: 10.1103/PhysRevC.97.014309
Citations: PlumX Metrics

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, Γ_p, Γ_γ, spectroscopic factors, using shell model with the GXPF1A interaction.

doi: 10.1103/PhysRevC.98.065803
Citations: PlumX Metrics

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
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

2016EI01      Phys.Rev. C 94, 015502 (2016)

M.Eibach, G.Bollen, K.Gulyuz, C.Izzo, M.Redshaw, R.Ringle, R.Sandler, A.A.Valverde

Double resonant enhancement in the neutrinoless double-electron capture of ¹⁹⁰Pt

ATOMIC MASSES ^190,194Pt, ^186,190Os; measured ratio of the cyclotron frequencies using LEBIT Penning trap mass spectrometer at NSCL-MSU; deduced precise Q value for ϵϵ decay of ¹⁹⁰Pt. Comparison with AME-2012 evaluation.

RADIOACTIVITY ¹⁹⁰Pt(2EC); measured precise Q value from mass measurements of ¹⁹⁰Pt and ¹⁹⁰Os; deduced parameters of the resonantly enhanced 0νϵϵ decays to excited states in ¹⁹⁰Os. Comparison of Q value with AME-2012 evaluation.

doi: 10.1103/PhysRevC.94.015502
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

2016GU02      Phys.Rev.Lett. 116, 012501 (2016)

K.Gulyuz, G.Bollen, M.Brodeur, R.A.Bryce, K.Cooper, M.Eibach, C.Izzo, E.Kwan, K.Manukyan, D.J.Morrissey, O.Naviliat-Cuncic, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.A.Valverde, A.C.C.Villari

High Precision Determination of the β Decay Q_EC Value of ¹¹C and Implications on the Tests of the Standard Model

ATOMIC MASSES ¹¹C, ^10,11B; measured TOF ion cyclotron resonance spectra; deduced mass excess values. Comparison with AME2012 evaluation.

doi: 10.1103/PhysRevLett.116.012501
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2015EI01      Phys.Rev. C 92, 045502 (2015)

M.Eibach, G.Bollen, M.Brodeur, K.Cooper, K.Gulyuz, C.Izzo, D.J.Morrissey, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.A.Valverde, A.C.C.Villari

Determination of the Q_EC values of the T=1/2 mirror nuclei ²¹Na and ²⁹P at LEBIT

ATOMIC MASSES ²¹Na, ²⁹P; measured cyclotron frequency ratios of ²¹Ne, ²¹Na and ²⁹P, ¹²C with TOF-ICR technique using LEBIT Penning trap mass spectrometer at NSCL-MSU; deduced Q(EC) values, Ft and V_ud for ²¹Na and ²⁹P decays. Comparison with previous experimental values and AME-2012.

RADIOACTIVITY ²¹Na, ²⁹P(β⁺), (EC)[from ⁹Be(³⁶Ar, X), E=150 MeV/nucleon using A1900 separator at NSCL-MSU]; measured Q(EC) using LEBIT Penning trap mass spectrometer. Comparison with previous experimental values.

doi: 10.1103/PhysRevC.92.045502
Citations: PlumX Metrics

2015GU09      Phys.Rev. C 91, 055501 (2015)

K.Gulyuz, J.Ariche, G.Bollen, S.Bustabad, M.Eibach, C.Izzo, S.J.Novario, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, A.A.Valverde

Determination of the direct double-β Q value of ⁹⁶Zr and atomic masses of ^{90-92, 94, 96}Zr and ^{92, 94-98, 100}Mo

ATOMIC MASSES ^{90,91,92,94,96}Zr, ^{92,94,95,96,97,98,100}Mo; measured cyclotron frequency ratios, mass excesses using LEBIT Penning trap mass spectrometer facility at NSCL-MSU; deduce Q value for double-β decay of ⁹⁶Zr. Relevance to neutrinoless double-β decay of ⁹⁶Zr.

doi: 10.1103/PhysRevC.91.055501
Citations: PlumX Metrics

2015VA05      Phys.Rev. C 91, 037301 (2015)

A.A.Valverde, G.Bollen, K.Cooper, M.Eibach, K.Gulyuz, C.Izzo, D.J.Morrissey, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.C.C.Villari

Penning trap mass measurement of ⁷²Br

ATOMIC MASSES ^72,72mBr; measured time-of-flight cyclotron resonance, mass excess using Low Energy Beam and Ion Trap (LEBIT) Penning trap mass spectrometer at NSCL-MSU facility; deduced precise energy of the ⁷²Br isomer. Comparison with AME-2012. ⁷²Br and ^72mBr produced in ⁹Be(⁷⁸Kr, X), E=150 MeV/nucleon reaction.

doi: 10.1103/PhysRevC.91.037301
Citations: PlumX Metrics

2015VA08      Phys.Rev.Lett. 114, 232502 (2015)

A.A.Valverde, G.Bollen, M.Brodeur, R.A.Bryce, K.Cooper, M.Eibach, K.Gulyuz, C.Izzo, D.J.Morrissey, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.C.C.Villari

First Direct Determination of the Superallowed β-Decay Q_EC Value for ¹⁴O

RADIOACTIVITY ¹⁴O(EC), (β⁺) [from Be(¹⁶O, X)¹⁴O, E=150 MeV/nucleon]; measured time-of-flight cyclotron resonance, frequency ratios; deduced T_1/2, ground-state Q-value, log ft. Comparison with available data.

doi: 10.1103/PhysRevLett.114.232502
Citations: PlumX Metrics

2008TA11      Phys.Rev. C 77, 052501 (2008)

E.R.Tardiff, J.A.Behr, T.E.Chupp, K.Gulyuz, R.S.Lefferts, W.Lorenzon, S.R.Nuss-Warren, M.R.Pearson, N.Pietralla, G.Rainovski, J.F.Sell, G.D.Sprouse

Polarization and relaxation rates of radon

RADIOACTIVITY ²⁰⁹Fr(EC) [from ¹⁹⁷Au(¹⁶O, 4n), E=91 MeV]; measured Eγ, Iγ, spin exchange polarization, quadrupole-dominated wall relaxationrate, dependence of γ-ray anisotropies on temperature.

doi: 10.1103/PhysRevC.77.052501
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2007TA17      Nucl.Instrum.Methods Phys.Res. A579, 472 (2007)

E.R.Tardiff, T.E.Chupp, W.Lorenzon, S.R.Nuss-Warren, J.A.Behr, M.R.Pearson, K.Gulyuz, R.S.Lefferts, N.Pietralla, G.Rainovski, J.F.Sell, G.D.Sprouse

Polarization and relaxation of ²⁰⁹Rn

RADIOACTIVITY ²⁰⁹Rn(EC); measured Eγ, Iγ, polarization and relaxation.

doi: 10.1016/j.nima.2007.04.105
Citations: PlumX Metrics

2004AU01      Nucl.Phys. A746, 459c (2004)

S.Aubin, E.Gomez, K.Gulyuz, L.A.Orozco, J.Sell, G.D.Sprouse

Francium developments at Stony Brook

doi: 10.1016/j.nuclphysa.2004.09.135
Citations: PlumX Metrics