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NSR database version of April 27, 2024.

Search: Author = P.Tiwari

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2021SU03      Phys.Rev. C 103, 014322 (2021)

L.J.Sun, M.Friedman, T.Budner, D.Perez-Loureiro, E.Pollacco, C.Wrede, B.A.Brown, M.Cortesi, C.Fry, B.E.Glassman, J.Heideman, M.Janasik, A.Kruskie, A.Magilligan, M.Roosa, J.Stomps, J.Surbrook, P.Tiwari

²⁵Si β⁺-decay spectroscopy

RADIOACTIVITY ²⁵Si(β⁺), (EC), (β⁺p)[from ⁹Be(³⁶Ar, X), E=150 MeV/nucleon from the K500 and K1200 Coupled Cyclotron Facility at NSCL-MSU, followed by purification of ²⁵Si beam by A1900 fragment separator]; measured Eγ, Iγ, γγ- and pγ-coin, E(p), I(p), half-life of ²⁵Si decay using the Gaseous Detector with Germanium Tagging (GADGET) system of a proton detector and the SeGA array. ²⁴Mg, ²⁵Al; deduced levels, J, π, %Iβ⁺ feedings, %I_βp, γ branching ratios, logft, B(GT), Γ_γ/Γ_p and half-life for the 2673-keV level in ²⁵Al, Γ_γ and Γ_γ/Γ_p for T=3/2 IAS in ²⁵Al at 7902 keV. Comparison with shell-model calculations of levels, Jπ, β feedings, logft and B(GT) using USDC and USDI Hamiltonians, and with the experimental and theoretical decay characteristics of ²⁵Na β^- decay to ²⁵Mg. Comparison with earlier experimental results.

doi: 10.1103/PhysRevC.103.014322
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2020FR04      Phys.Rev. C 101, 052802 (2020)

M.Friedman, T.Budner, D.Perez-Loureiro, E.Pollacco, C.Wrede, J.Jose, B.A.Brown, M.Cortesi, C.Fry, B.Glassman, J.Heideman, M.Janasik, M.Roosa, J.Stomps, J.Surbrook, P.Tiwari

Low-energy ²³Al β-delayed proton decay and ²²Na destruction in novae

RADIOACTIVITY ²³Al(β⁺), (β⁺p)[from ⁹Be(³⁶Ar, X), E=150 MeV/nucleon]; measured Ep, Ip, Eγ, Iγ, γp-coin, β-delayed proton branching ratios using the Gaseous Detector with Germanium Tagging (GADGET) detector at the NSCL-MSU facility. Comparison with previous experimental values of β-delayed proton branching ratios.

NUCLEAR REACTIONS ²²Na(p, γ), E(cm)=204 keV; deduced Γ_p/Γ and resonance strength for the 204-keV proton resonance (7.79-MeV, (7/2) state in ²³Mg), and compared with previous experimental values.

doi: 10.1103/PhysRevC.101.052802
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1968TI03      Phys.Rev. 167, 1091 (1968)

P.N.Tiwari, E.Kondaiah

Activation cross sections of calcium, potassium, and aluminum for 14.2-MeV neutrons

NUCLEAR REACTIONS ²⁷Al(n, p), ³⁹K(n, 2n), ⁴¹K(n, α), ⁴¹K(n, p), ⁴⁰Ca(n, t), ⁴²Ca(n, p), ⁴³Ca(n, d), ⁴³Ca(n, p), ⁴⁴Ca(n, α), ⁴⁴Ca(n, d), ⁴⁴Ca(n, p), ⁴⁸Ca(n, 2n), E=14.2 MeV; measured products, ²⁷Mg, Eπ, Iπ; deduced σ, σ(E). Data were imported from EXFOR entry 30011.

doi: 10.1103/PhysRev.167.1091
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30011.

Note: The following list of authors and aliases matches the search parameter P.Tiwari: , P.N.TIWARI