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NSR database version of April 11, 2024.

Search: Author = M.Mehlman

Found 9 matches.

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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
Citations: PlumX Metrics


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


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


2012KO22      Phys.Rev. C 85, 064605 (2012)

Z.Kohley, M.Colonna, A.Bonasera, L.W.May, S.Wuenschel, M.Di Toro, S.Galanopoulos, K.Hagel, M.Mehlman, W.B.Smith, G.A.Souliotis, S.N.Soisson, B.C.Stein, R.Tripathi, S.J.Yennello, M.Zielinska-Pfabe

Sensitivity of intermediate mass fragment flows to the symmetry energy

NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured charged particle and neutron spectra, and intermediate mass fragment transverse flow using NIMROD-ISiS array and 4π TAMU Neutron Ball at Texas AM. Comparison with Antisymmetrized molecular dynamics (AMD), constrained molecular dynamics (CoMD), and stochastic mean-field model (SFM) calculations. Sensitivity of the model to the nEoS.

doi: 10.1103/PhysRevC.85.064605
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2012MA08      Phys.Rev. C 85, 034617 (2012)

P.Marini, A.Bonasera, A.McIntosh, R.Tripathi, S.Galanopoulos, K.Hagel, L.Heilborn, Z.Kohley, L.W.May, M.Mehlman, S.N.Soisson, G.A.Souliotis, D.V.Shetty, W.B.Smith, B.C.Stein, S.Wuenschel, S.J.Yennello

Constraining the symmetry term in the nuclear equation of state at subsaturation densities and finite temperatures

NUCLEAR REACTIONS 64Zn(64Zn, X), 70Zn(70Zn, X), 64Ni, (64Ni, X), E=35 MeV/nucleon; measured charged-particle spectra using 4π NIMROD-ISiS array and Neutron Ball at Texas A reconstructed quasiprojectile distributions; deduced isotopic and isobaric yield ratios, isoscaling parameter, symmetry energy (enthalpy) coefficient. isoscaling, m-scaling, and the isobaric yield ratio methods for analysis of data.

doi: 10.1103/PhysRevC.85.034617
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2011KO17      Phys.Rev. C 83, 044601 (2011)

Z.Kohley, L.W.May, S.Wuenschel, M.Colonna, M.Di Toro, M.Zielinska-Pfabe, K.Hagel, R.Tripathi, A.Bonasera, G.A.Souliotis, D.V.Shetty, S.Galanopoulos, M.Mehlman, W.B.Smith, S.N.Soisson, B.C.Stein, S.J.Yennello

Transverse collective flow and midrapidity emission of isotopically identified light charged particles

NUCLEAR REACTIONS 64Ni(64Ni, X), 64Zn(64Zn, X), 70Zn(70Zn, X), E=35 MeV/nucleon; measured particle spectra and yields of light-charged particles (ZA=1-12) using 4π NIMROD-ISiS array; deduced rapidity distribution, transverse flow and average in-plane momentum. Comparison with stochastic mean-field (SMF) model.

doi: 10.1103/PhysRevC.83.044601
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2011KO62      J.Phys.:Conf.Ser. 312, 082030 (2011)

Z.Kohley, L.W.May, S.Wuenschel, A.Bonasera, K.Hagel, R.Tripathi, R.Wada, G.A.Souliotis, D.V.Shetty, S.Galanopoulos, M.Mehlman, W.B.Smith, S.N.Soisson, B.C.Stein, S.J.Yennello

Intermediate Mass Fragment Flow as a Probe to the Nuclear Equation of State

NUCLEAR REACTIONS 64Ni(64Ni, X), E=35 MeV/nucleon;64Zn(64Zn, X), E=35 MeV/nucleon;70Zn(70Zn, X), E=35 MeV/nucleon; measured En, In(θ), E(fragment), I(fragment, θ), Z(fragment); deduced intermediate-mass fragments transverse flow using AMD with soft and stiff symmetry energy. Compared to data.

doi: 10.1088/1742-6596/312/4/082030
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2010KO37      Phys.Rev. C 82, 064601 (2010)

Z.Kohley, L.W.May, S.Wuenschel, A.Bonasera, K.Hagel, R.Tripathi, R.Wada, G.A.Souliotis, D.V.Shetty, S.Galanopoulos, M.Mehlman, W.B.Smith, S.N.Soisson, B.C.Stein, S.J.Yennello

Investigation of transverse collective flow of intermediate mass fragments

NUCLEAR REACTIONS 64Ni(64Ni, X), 64Zn(64Zn, X), 70Zn(70Zn, X), E=35 MeV/nucleon; measured particle spectra, angular distributions, transverse flow of Z=1-9 fragments. Dependence of transverse flow of the intermediate mass fragments (IMF) on mass and charge of the colliding systems. Probe of nuclear equation of state.

doi: 10.1103/PhysRevC.82.064601
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