NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = D.Melconian Found 32 matches. 2023BY02 Phys.Rev.Lett. 131, 082502 (2023) W.Byron, H.Harrington, R.J.Taylor, W.DeGraw, N.Buzinsky, B.Dodson, M.Fertl, A.Garcia, G.Garvey, B.Graner, M.Guigue, L.Hayen, X.Huyan, K.S.Khaw, K.Knutsen, D.McClain, D.Melconian, P.Muller, E.Novitski, N.S.Oblath, R.G.H.Robertson, G.Rybka, G.Savard, E.Smith, D.D.Stancil, M.Sternberg, D.W.Storm, H.E.Swanson, J.R.Tedeschi, B.A.VanDevender, F.E.Wietfeldt, A.R.Young, X.Zhu, for the He6-CRES Collaboration First Observation of Cyclotron Radiation from MeV-Scale e± following Nuclear β Decay RADIOACTIVITY 6He(β-), 19Ne(β+) [7Li(d, 3He), E=17.8 MeV; 19F(p, n), E=12 MeV]; measured decay products, Eβ, Iβ; deduced β spectra, first direct observation of cyclotron radiation from individual highly relativistic β in a waveguide. The cyclotron radiation emission spectroscopy (CRES) technique, FN-tandem accelerator at the University of Washington.
doi: 10.1103/PhysRevLett.131.082502
2018FE02 Phys.Rev.Lett. 120, 062502 (2018) B.Fenker, A.Gorelov, D.Melconian, J.A.Behr, M.Anholm, D.Ashery, R.S.Behling, I.Cohen, I.Craiciu, G.Gwinner, J.McNeil, M.Mehlman, K.Olchanski, P.D.Shidling, S.Smale, C.L.Warner Precision Measurement of the β Asymmetry in Spin-Polarized 37K Decay RADIOACTIVITY 37K(EC); measured decay products, Eβ, Iβ; deduced β asymmetry, limits on the mass of a hypothetical WR coupling to right-handed ν. Comparison with available data.
doi: 10.1103/PhysRevLett.120.062502
2018SH27 Phys.Rev. C 98, 015502 (2018) P.D.Shidling, R.S.Behling, B.Fenker, J.C.Hardy, V.E.Iacob, M.Mehlman, H.I.Park, B.T.Roeder, D.Melconian High-precision half-life measurement of the β+ decay of 21Na RADIOACTIVITY 21Na(β+)[from 1H(22Ne, 21Na), E=25 MeV/nucleon, followed by analysis of reaction products by the momentum achromat recoil spectrometer (MARS) at Texas A and M cyclotron facility]; measured positrons and half-life of the decay of 21Na using 4π continuous gas-flow proportional counter; deduced magnitude of the up-down element of the Cabbibo-Kobayashi-Maskawa matrix Vud. Comparison with previous experimental values, and deduced averaged half-life and Ft value.
doi: 10.1103/PhysRevC.98.015502
2016FE06 New Journal of Physics 18, 073028 (2016) B.Fenker, J.A.Behr, D.Melconian, R.M.A.Anderson, M.Anholm, D.Ashery, R.S.Behling, I.Cohen, I.Craiciu, J.M.Donohue, C.Farfan, D.Friesen, A.Gorelov, J.McNeil, M.Mehlman, H.Norton, K.Olchanski, S.Smale, O.Theriault, A.N.Vantyghem, C.L.Warner Precision measurement of the nuclear polarization in laser-cooled, optically pumped 37K RADIOACTIVITY 37K(β+); measured decay products; deduced optical pumping light polarization, precise value of average nuclear polarization.
doi: 10.1088/1367-2630/18/7/073028
2016UB01 Phys.Lett. B 754, 323 (2016) E.Uberseder, G.V.Rogachev, V.Z.Goldberg, E.Koshchiy, B.T.Roeder, M.Alcorta, G.Chubarian, B.Davids, C.Fu, J.Hooker, H.Jayatissa, D.Melconian, R.E.Tribble Nuclear structure beyond the neutron drip line: The lowest energy states in 9He via their T = 5/2 isobaric analogs in 9Li NUCLEAR REACTIONS 1H(8He, 8He), (8He, X)9Li, E(cm)<4.5 MeV; measured reaction products. 9He; deduced energy levels, J, π. Comparison with available data.
doi: 10.1016/j.physletb.2016.01.014
2014BE02 Hyperfine Interactions 225, 115 (2014) J.A.Behr, A.Gorelov, K.P.Jackson, M.R.Pearson, M.Anholm, T.Kong, R.S.Behling, B.Fenker, D.Melconian, D.Ashery, G.Gwinner TRINAT: measuring β-decay correlations with laser-trapped atoms
doi: 10.1007/s10751-013-0887-5
2014GA01 Hyperfine Interactions 223, 201 (2014) A.Garcia, S.Sjue, E.Swanson, C.Wrede, D.Melconian, A.Algora, I.Ahmad Decay studies for neutrino physics RADIOACTIVITY 100Tc, 116In(β-); measured decay products, Eβ, Iβ, X-rays; deduced branching ratios. Comparison with available data.
doi: 10.1007/s10751-012-0619-2
2014SH25 Phys.Rev. C 90, 032501 (2014) P.D.Shidling, D.Melconian, S.Behling, B.Fenker, J.C.Hardy, V.E.Iacob, E.McCleskey, M.McCleskey, M.Mehlman, H.I.Park, B.T.Roeder Precision half-life measurement of the β+ decay of 37K RADIOACTIVITY 37K(β+)[from 1H(38Ar, 2n), E=29 MeV/nucleon, followed by separation using MARS apparatus at Texas A-M cyclotron facility]; measured Eβ, Iβ, precise half-life of 37K ground state using a 4π continuous-gas-flow proportional counter and a fast tape-transport system; deduced improved logft value, and Vud parameter. Comparison with previous experimental studies.
doi: 10.1103/PhysRevC.90.032501
2012ME03 Phys.Rev. C 85, 025501 (2012) D.Melconian, S.Triambak, C.Bordeanu, A.Garcia, J.C.Hardy, V.E.Iacob, N.Nica, H.I.Park, G.Tabacaru, L.Trache, I.S.Towner, R.E.Tribble, Y.Zhai β decay of 32Cl: Precision γ-ray spectroscopy and a measurement of isospin-symmetry breaking RADIOACTIVITY 32Cl(β+), (EC)[20 MeV/nucleon 32Cl secondary beam from 1H(32S, n), E AP 24.8 MeV/nucleon primary reaction using MARS facility]; measured particle spectra, Eγ, Iγ, β, βγ-coin, half-life; deduced mass excess, Q(EC). 32S; deduced levels, J, π, isospin, β branches, logft, Gamow-Teller matrix elements, isospin-symmetry-breaking correction for superallowed transition. Comparison with earlier studies and shell-model calculation. 30S, 32Cl(β+); measured half-lives from γ-decay curves.
doi: 10.1103/PhysRevC.85.025501
2012WR02 Phys.Rev. C 86, 047305 (2012) C.Wrede, A.Garcia, D.Melconian, S.Triambak, B.A.Brown γ-ray constraints on the properties of unbound 32Cl levels NUCLEAR STRUCTURE 32Cl; analyzed unbound levels, J, π, and proton branching ratios available from 32S(3He, t) and 32Ar β+ decay data. Effect on thermonuclear rate of the 31S(p, γ)32Cl reaction.
doi: 10.1103/PhysRevC.86.047305
2011ME15 Phys.Rev.Lett. 107, 182301 (2011) D.Melconian, S.Triambak, C.Bordeanu, A.Garcia, J.C.Hardy, V.E.Iacob, N.Nica, H.I.Park, G.Tabacaru, L.Trache, I.S.Towner, R.E.Tribble, Y.Zhai Experimental Validation of the Largest Calculated Isospin-Symmetry-Breaking Effect in a Superallowed Fermi Decay RADIOACTIVITY 32Cl(EC); measured decay products, Eγ, Iγ; deduced γ yield to its isobaric-analogue branch, log ft, large isospin-symmetry breaking. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.107.182301
2009KW02 Phys.Rev. C 80, 051302 (2009) A.A.Kwiatkowski, B.R.Barquest, G.Bollen, C.M.Campbell, D.L.Lincoln, D.J.Morrissey, G.K.Pang, A.M.Prinke, J.Savory, S.Schwarz, C.M.Folden III, D.Melconian, S.K.L.Sjue, M.Block Precision test of the isobaric multiplet mass equation for the A=32, T=2 quintet ATOMIC MASSES 32,33Si, 32S, 31,34P; measured masses using LEBIT Penning-trap spectrometer; deduced mass excesses. Discussed validity of quadratic form of isobaric multiplet mass equation (IMME).
doi: 10.1103/PhysRevC.80.051302
2009MA54 Phys.Rev. C 80, 034318 (2009) C.M.Mattoon, F.Sarazin, C.Andreoiu, A.N.Andreyev, R.A.E.Austin, G.C.Ball, R.S.Chakrawarthy, D.Cross, E.S.Cunningham, J.Daoud, P.E.Garrett, G.F.Grinyer, G.Hackman, D.Melconian, C.Morton, C.Pearson, J.J.Ressler, J.Schwarzenberg, M.B.Smith, C.E.Svensson Line-shape analysis of Doppler-broadened γ lines following the β decay of 11Li RADIOACTIVITY 11Li(β-), (β-n) [from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, γγ-, βγ-coin, half-lives by line-shape method using 8pi array. 10,11Be; deduced levels, J, π, branching ratios, B(E1), delayed neutron emission probabilities.
doi: 10.1103/PhysRevC.80.034318
2009PI01 Phys.Rev. C 79, 015501 (2009) J.R.A.Pitcairn, D.Roberge, A.Gorelov, D.Ashery, O.Aviv, J.A.Behr, P.G.Bricault, M.Dombsky, J.D.Holt, K.P.Jackson, B.Lee, M.R.Pearson, A.Gaudin, B.Dej, C.Hohr, G.Gwinner, D.Melconian Tensor interaction constraints from β-decay recoil spin asymmetry of trapped atoms RADIOACTIVITY 80Rb(β+); measured daughter nucleus recoil angular distributions, recoil asymmetry; deduced tensor interaction constraints. Spin-polarized nucleus. Comparison with standard model predictions.
doi: 10.1103/PhysRevC.79.015501
2008BH08 Phys.Rev. C 77, 065503 (2008) M.Bhattacharya, D.Melconian, A.Komives, S.Triambak, A.Garcia, E.G.Adelberger, B.A.Brown, M.W.Cooper, T.Glasmacher, V.Guimaraes, P.F.Mantica, A.M.Oros-Peusquens, J.I.Prisciandaro, M.Steiner, H.E.Swanson, S.L.Tabor, M.Wiedeking ft value of the 0+ → 0+ β+ decay of 32Ar: A measurement of isospin symmetry breaking in a superallowed decay RADIOACTIVITY 32Ar(β+) [from 9Be(36Ar, X), E=100 MeV/nucleon]; measured Eγ, Iγ, Ep, Ip, pγ-coin. 32Ar; deduced superallowed decay branching ratio, ft value, isospin symmetry breaking correction. 32Cl; deduced levels, J, π. 31S; deduced levels, π. Comparison with theoretical data. ATOMIC MASSES 32Cl; measured masses. Q-value method.
doi: 10.1103/PhysRevC.77.065503
2008LE12 Phys.Rev.Lett. 100, 192504 (2008) K.G.Leach, C.E.Svensson, G.C.Ball, J.R.Leslie, R.A.E.Austin, D.Bandyopadhyay, C.Barton, E.Bassiachvilli, S.Ettenauer, P.Finlay, P.E.Garrett, G.F.Grinyer, G.Hackman, D.Melconian, A.C.Morton, S.Mythili, O.Newman, C.J.Pearson, M.R.Pearson, A.A.Phillips, H.Savajols, M.A.Schumaker, J.Wong Internal γ Decay and the Superallowed Branching Ration for the β+ Emitter 38Km RADIOACTIVITY 38mK(β+), 38mCl(β+);measured positron spectra, Eγ, Iγ, βγ-coin, T1/2; deduced Ft for superallowed decay, comparison with other superallowed decays.
doi: 10.1103/PhysRevLett.100.192504
2008SJ01 Phys.Rev. C 78, 064317 (2008) S.K.L.Sjue, D.Melconian, A.Garcia, I.Ahmad, A.Algora, J.Aysto, V.-V.Elomaa, T.Eronen, J.Hakala, S.Hoedl, A.Kankainen, T.Kessler, I.D.Moore, F.Naab, H.Penttila, S.Rahaman, A.Saastamoinen, H.E.Swanson, C.Weber, S.Triambak, K.Deryckx Electron-capture branch of 100Tc and tests of nuclear wave functions for double-β decays RADIOACTIVITY 100Tc(EC); measured X-ray spectra, Eγ, Iγ; deduced branching ratio, B(GT).
doi: 10.1103/PhysRevC.78.064317
2007BR32 Phys.Rev. C 76, 055801 (2007) T.A.D.Brown, C.Bordeanu, K.A.Snover, D.W.Storm, D.Melconian, A.L.Sallaska, S.K.L.Sjue, S.Triambak 3He+4He → 7Be astrophysical S factor NUCLEAR REACTIONS 3He(α, γ)7Be, E(cm)=0.33-1.23 MeV; measured Eγ, Iγ, cross sections; deduced astrophysical S-factors.
doi: 10.1103/PhysRevC.76.055801
2007ME19 Phys.Lett. B 649, 370 (2007) D.Melconian, J.A.Behr, D.Ashery, O.Aviv, P.G.Bricault, M.Dombsky, S.Fostner, A.Gorelov, S.Gu, V.Hanemaayer, K.P.Jackson, M.R.Pearson, I.Vollrath Measurement of the neutrino asymmetry in the β decay of laser-cooled, polarized 37K
doi: 10.1016/j.physletb.2007.04.047
2007ZG01 Acta Phys.Pol. B38, 1179 (2007) E.F.Zganjar, T.Achtzehn, D.Albers, C.Andreoiu, A.N.Andreyev, R.A.E.Austin, G.C.Ball, J.A.Behr, G.C.Biosvert, P.Bricault, S.Bishop, R.S.Chakrawarthy, R.Churchman, D.Cross, E.Cunningham, J.M.D'Auria, M.Dombsky, P.Finlay, P.E.Garrett, G.F.Grinyer, G.Hackman, V.Hanemaayer, J.C.Hardy, D.F.Hodgson, B.Hyland, V.Iacob, P.Klages, K.A.Koopmans, W.D.Kulp, J.Lassen, J.P.Lavoie, J.R.Leslie, T.Linder, J.A.Macdonald, H.-B.Mak, D.Melconian, A.C.Morton, W.E.Ormand, C.J.Osborne, C.J.Pearson, M.R.Pearson, A.A.Phillips, A.Piechaczek, J.Ressler, F.Sarazin, G.Savard, M.A.Schumaker, H.C.Scraggs, C.E.Svensson, J.J.Valiente-Dobon, I.S.Towner, J.C.Waddington, P.M.Walker, K.Wendt, J.L.Wood Superallowed Beta Decay Studies at TRIUMF - Nuclear Structure and Fundamental Symmetries
2006HY02 Phys.Rev.Lett. 97, 102501 (2006) B.Hyland, C.E.Svensson, G.C.Ball, J.R.Leslie, T.Achtzehn, D.Albers, C.Andreoiu, P.Bricault, R.Churchman, D.Cross, M.Dombsky, P.Finlay, P.E.Garrett, C.Geppert, G.F.Grinyer, G.Hackman, V.Hanemaayer, J.Lassen, J.P.Lavoie, D.Melconian, A.C.Morton, C.J.Pearson, M.R.Pearson, A.A.Phillips, M.A.Schumaker, M.B.Smith, I.S.Towner, J.J.Valiente-Dobon, K.Wendt, E.F.Zganjar Precision Branching Ratio Measurement for the Superallowed β+ Emitter 62Ga and Isospin-Symmetry-Breaking Corrections in A ≥ 62 Nuclei RADIOACTIVITY 62Ga(β+) [from Zr(p, X)]; measured Eγ, Iγ, βγ-coin; deduced superallowed Fermi branching ratio, ft. 62Zn deduced levels, J, π. Comparison with model predictions.
doi: 10.1103/PhysRevLett.97.102501
2006TR03 Phys.Rev. C 73, 054313 (2006) S.Triambak, A.Garcia, E.G.Adelberger, G.J.P.Hodges, D.Melconian, H.E.Swanson, S.A.Hoedl, S.K.L.Sjue, A.L.Sallaska, H.Iwamoto Mass of the lowest T = 2 state in 32S: A test of the isobaric multiplet mass equation NUCLEAR REACTIONS 31P(p, γ), E=3.285 MeV; measured Eγ, Iγ. 32S deduced excited states energies. ATOMIC MASSES 32Si, 32P, 32S, 32Cl, 32Ar; analyzed mass excesses for T=2 quintet. Isospin-multiplet mass equation.
doi: 10.1103/PhysRevC.73.054313
2006TR10 Phys.Rev. C 74, 054306 (2006) S.Triambak, A.Garcia, D.Melconian, M.Mella, O.Biesel Excitation energies in 33Cl via 32S(p, γ) NUCLEAR REACTIONS 32S(p, γ), E ≈ 1.75, 3.4 MeV; measured Eγ, Iγ, excitation functions. 33Cl deduced level energies, widths.
doi: 10.1103/PhysRevC.74.054306
2005BA87 J.Phys.(London) G31, S1491 (2005) G.C.Ball, T.Achtzehn, D.Albers, J.S.Al-Khalili, C.Andreoiu, A.Andreyev, S.F.Ashley, R.A.E.Austin, J.A.Becker, P.Bricault, S.Chan, R.S.Chakrawarthy, R.Churchman, H.Coombes, E.S.Cunningham, J.Daoud, M.Dombsky, T.E.Drake, B.Eshpeter, P.Finlay, P.E.Garrett, C.Geppert, G.F.Grinyer, G.Hackman, V.Hanemaayer, B.Hyland, G.A.Jones, K.A.Koopmans, W.D.Kulp, J.Lassen, J.P.Lavoie, J.R.Leslie, Y.Litvinov, J.A.Macdonald, C.Mattoon, D.Melconian, A.C.Morton, C.J.Osborne, C.J.Pearson, M.Pearson, A.A.Phillips, J.J.Ressler, F.Sarazin, M.A.Schumaker, J.Schwarzenberg, H.C.Scraggs, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, J.C.Waddington, P.M.Walker, K.Wendt, S.J.Williams, J.L.Wood, E.F.Zganjar High-resolution γ-ray spectroscopy: a versatile tool for nuclear β-decay studies at TRIUMF-ISAC
doi: 10.1088/0954-3899/31/10/019
2005BE63 Eur.Phys.J. A 25, Supplement 1, 685 (2005) J.A.Behr, A.Gorelov, D.Melconian, M.Trinczek, W.P.Alford, D.Ashery, P.G.Bricault, L.Courneyea, J.M.D'Auria, J.Deutsch, J.Dilling, M.Dombsky, P.Dube, F.Gluck, S.Gryb, S.Gu, O.Hausser, K.P.Jackson, B.Lee, A.Mills, E.Paradis, M.Pearson, R.Pitcairn, E.Prime, D.Roberge, T.B.Swanson Weak interaction symmetries with atom traps
doi: 10.1140/epjad/i2005-06-097-9
2005GO11 Phys.Rev.Lett. 94, 142501 (2005) A.Gorelov, D.Melconian, W.P.Alford, D.Ashery, G.Ball, J.A.Behr, P.G.Bricault, J.M.D'Auria, J.Deutsch, J.Dilling, M.Dombsky, P.Dube, J.Fingler, U.Giesen, F.Gluck, S.Gu, O.Hausser, K.P.Jackson, B.K.Jennings, M.R.Pearson, T.J.Stocki, T.B.Swanson, M.Trinczek Scalar Interaction Limits from the β-ν Correlation of Trapped Radioactive Atoms RADIOACTIVITY 38mK(β+); measured Eβ, recoil spectrum, (recoil)β-coin; deduced β-ν correlation parameter. Magneto-optical trap.
doi: 10.1103/PhysRevLett.94.142501
2005HY04 J.Phys.(London) G31, S1885 (2005) B.Hyland, D.Melconian, G.C.Ball, J.R.Leslie, C.E.Svensson, P.Bricault, E.Cunningham, M.Dombsky, G.F.Grinyer, G.Hackman, K.Koopmans, F.Sarazin, M.A.Schumaker, H.C.Scraggs, M.B.Smith, P.M.Walker Precision half-life measurement of 62Ga RADIOACTIVITY 62Ga(β+); measured T1/2. Comparison with previous results.
doi: 10.1088/0954-3899/31/10/094
2004SA46 Phys.Rev. C 70, 031302 (2004) F.Sarazin, J.S.Al-Khalili, G.C.Ball, G.Hackman, P.M.Walker, R.A.E.Austin, B.Eshpeter, P.Finlay, P.E.Garrett, G.F.Grinyer, K.A.Koopmans, W.D.Kulp, J.R.Leslie, D.Melconian, C.J.Osborne, M.A.Schumaker, H.C.Scraggs, J.Schwarzenberg, M.B.Smith, C.E.Svensson, J.C.Waddington, J.L.Wood Halo neutrons and the β decay of 11Li RADIOACTIVITY 11Li(β-), (β-n) [from Ta(p, X)]; measured Eγ, Iγ, β-delayed neutron spectra. 10,11Be deduced levels, J, π, halo features.
doi: 10.1103/PhysRevC.70.031302
2003ME08 Nucl.Instrum.Methods Phys.Res. B204, 540 (2003) D.Melconian, D.Ashery, G.Ball, J.A.Behr, P.Bricault, B.A.Brown, M.Dombsky, K.P.Jackson, S.Fostner, A.Gorelov, M.N.Groves, S.Gu, M.R.Pearson, I.S.Towner, M.Trinczek, I.Vollrath Measuring isospin mixing in 36Ar using a polarized, neutral atom trap RADIOACTIVITY 37K(EC); measured β-asymmetry from polarized source. Optical pumping, application to planned experiment discussed.
doi: 10.1016/S0168-583X(02)02129-8
2003TR01 Phys.Rev.Lett. 90, 012501 (2003) M.Trinczek, A.Gorelov, D.Melconian, W.P.Alford, D.Asgeirsson, D.Ashery, J.A.Behr, P.G.Bricault, J.M.D'Auria, J.Deutsch, J.Dilling, M.Dombsky, P.Dube, S.Eaton, J.Fingler, U.Giesen, S.Gu, O.Hausser, K.P.Jackson, B.Lee, J.H.Schmid, T.J.Stocki, T.B.Swanson, W.Wong Novel Search for Heavy ν Mixing from the β+ Decay of 38mK Confined in an Atom Trap RADIOACTIVITY 38mK(β+); measured Eβ, recoil energy; deduced neutrino momentum, admixture limits.
doi: 10.1103/PhysRevLett.90.012501
2000GO54 Hyperfine Interactions 127, 373 (2000) A.Gorelov, J.A.Behr, D.Melconian, M.Trinczek, P.Dube, O.Hausser, U.Giesen, K.P.Jackson, T.Swanson, J.M.D'Auria, M.Dombsky, G.Ball, L.Buchmann, B.Jennings, J.Dilling, J.Schmid, D.Ashery, J.Deutsch, W.P.Alford, D.Asgeirsson, W.Wong, B.Lee Beta-neutrino correlation experiments on laser trapped 38mK, 37K RADIOACTIVITY 38mK(β+); measured recoil spectra, (recoil)β-coin; deduced neutrino momentum, β-ν correlation.
doi: 10.1023/A:1012649229978
1998DI15 Hyperfine Interactions 115, 159 (1998) J.Dilling, J.A.Behr, A.Gorelov, T.Swanson, O.Hausser, D.Melconian, K.P.Jackson, M.Trinczek, U.Giesen, J.M.D'Auria Beta-Decay Experiments of Neutral Atoms in a Magneto-Optical Trap RADIOACTIVITY 37,38mK(β+); measured β-spectra, (recoil)β-coin. Magneto-optical trap.
doi: 10.1023/A:1012656907610
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