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NSR database version of May 3, 2024.

Search: Author = R.Heffner

Found 12 matches.

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1990HA44      Phys.Rev. B42, 6781 (1990)

P.C.Hammel, A.P.Reyes, Z.Fisk, M.Takigawa, J.D.Thompson, R.H.Heffner, S.-W.Cheong, J.E.Schirber

¹³⁹La NMR Study of Phase Separation in Single-Crystal La₂CuO(4+δ)

NUCLEAR MOMENTS ¹³⁹La; measured NMR; deduced crystal phase separation. Single La₂CuO(4+δ).

doi: 10.1103/PhysRevB.42.6781
Citations: PlumX Metrics

1983FR26      Phys.Rev. D28, 1569 (1983)

J.S.Frank, A.A.Browman, P.A.M.Gram, R.H.Heffner, K.A.Klare, R.E.Mischke, D.C.Moir, D.E.Nagle, J.M.Potter, R.P.Redwine, M.A.Yates

Measurement of Low-Energy Elastic π±p Differential Cross Sections

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E=30, 50, 70, 90 MeV; measured σ(θ). Liquid hydrogen target, multi-wire proportional chambers, scintillation counter range telescopes.

doi: 10.1103/PhysRevD.28.1569
Citations: PlumX Metrics

1982CO01      Phys.Rev. C25, 438 (1982)

M.D.Cooper, H.W.Baer, J.D.Bowman, F.H.Cverna, R.H.Heffner, C.M.Hoffman, N.S.P.King, J.Piffaretti, J.Alster, A.Doron, S.Gilad, M.A.Moinester, P.R.Bevington, E.Winkelmann

³He(π^-, π⁰) Reaction at T(π) = 200 MeV

NUCLEAR REACTIONS ³He(π^-, π⁰), E=200 MeV; measured σ(θ), σ(θ, E(π⁰)); deduced σ(total) for IAR excitation, effective nucleon number, Pauli blocking. Glauber model.

doi: 10.1103/PhysRevC.25.438
Citations: PlumX Metrics

1978BU09      Phys.Rev. C17, 1774 (1978)

R.L.Burman, M.P.Baker, M.D.Cooper, R.H.Heffner, D.M.Lee, R.P.Redwine, J.E.Spencer, T.Marks, D.J.Malbrough, B.M.Preedom, R.J.Holt, B.Zeidman

Pion Double-Charge Exchange on ¹⁶O and ¹⁸O

NUCLEAR REACTIONS ¹⁸O(π⁺, π^-), E=95-139 MeV; measured σ(E). ¹⁶O(π⁺, π^-), E=145 MeV; measured σ. ¹⁶Ne deduced mass excess.

doi: 10.1103/PhysRevC.17.1774
Citations: PlumX Metrics

1977BO09      Nucl.Phys. A279, 189 (1977)

J.Borggreen, J.Pedersen, G.Sletten, R.Heffner, E.Swanson

The Rotational Band of the ²³⁶U Shape Isomer

NUCLEAR REACTIONS ²³⁵U(d, p), E=12 MeV; measured ce-delayed fission coin, pce-coin. ^236mU deduced rotational constant.

doi: 10.1016/0375-9474(77)90222-6
Citations: PlumX Metrics

1977HO13      Phys.Lett. 69B, 55 (1977)

R.J.Holt, B.Zeidman, D.J.Malbrough, T.Marks, B.M.Preedom, M.P.Baker, R.L.Burman, M.D.Cooper, R.H.Heffner, D.M.Lee, R.P.Redwine, J.E.Spencer

Pion Non-Analog Double Charge Exchange: ¹⁶O(π⁺, π^-)¹⁶Ne

NUCLEAR REACTIONS ¹⁶O(π⁺, π^-), E=145 MeV; measured σ; deduced Q. ¹⁶Ne deduced mass excess.

doi: 10.1016/0370-2693(77)90131-9
Citations: PlumX Metrics

1977MA02      Phys.Rev.Lett. 38, 149 (1977)

T.Marks, M.P.Baker, R.L.Burman, M.D.Cooper, R.H.Heffner, R.J.Holt, D.M.Lee, D.J.Malbrough, B.M.Preedom, R.P.Redwine, J.E.Spencer, B.Zeidman

Observation of the Pion Double-Charge-Exchange Reaction ¹⁸O(π⁺, π^-)¹⁸Ne

NUCLEAR REACTIONS ¹⁸O(π⁺, π^-), E=139 MeV; measured σ.

doi: 10.1103/PhysRevLett.38.149
Citations: PlumX Metrics

1971FE04      Phys.Lett. 35B, 214 (1971)

S.M.Ferguson, R.Heffner, H.Ejiri

Electric Quadrupole Transitions from High Spin States in the Beta-Vibrational Band of ¹⁵⁴Gd

NUCLEAR REACTIONS ¹⁵⁴Sm(α, 4nγ), E=42 MeV; measured Eγ, Iγ, B(E2) ¹⁵⁴Gd deduced B(E2), branching ratios.

doi: 10.1016/0370-2693(71)90177-8
Citations: PlumX Metrics

1971ST26      Phys.Rev. C4, 1541 (1971)

D.W.Storm, R.Heffner

Proton-Proton Bremsstrahlung Measurements at 20 MeV

NUCLEAR REACTIONS ¹H(p, p'γ), E=20 MeV; measured σ(E(p₁), E(p2), θ(p₁), θ(p2), θ(γ)).

doi: 10.1103/PhysRevC.4.1541
Citations: PlumX Metrics

1969EJ01      Phys.Letters 29B, 111 (1969)

H.Ejiri, S.M.Ferguson, I.Halpern, R.Heffner

Gamma-Ray Transitions from Isobaric Analogue States to Low-Lying States in ⁹³Tc

NUCLEAR REACTIONS ⁹²Mo(p, γ), E=5.874, 6.54 MeV; measured σ(E), Eγ. ⁹³Tc deduced resonances, level-width, isobaric analog.

doi: 10.1016/0370-2693(69)90259-7
Citations: PlumX Metrics

1969EJ02      Nucl.Phys. A128, 388 (1969)

H.Ejiri, P.Richard, S.Ferguson, R.Heffner, D.Perry

The ¹⁴⁰Ce(p, γ)¹⁴¹Pr Reaction Through Isobaric Analogue Resonances in ¹⁴¹Pr

NUCLEAR REACTIONS ¹⁴⁰Ce(p, γ), E=9.5-10.7 MeV; measured σ(E;θ). ¹⁴¹Pr deduced level-width matrix for isobaric analog state, the analogous beta matrix. Natural Ce.

doi: 10.1016/0375-9474(69)90412-6
Citations: PlumX Metrics

1968HE02      Phys.Letters 26B, 150 (1968)

R.Heffner, C.Ling, N.Cue, P.Richard

Charge Exchange Effects in the (d, p) Reaction Leading to States in ^93,95Zr, ^93,95Mo and ¹⁴¹Ce

NUCLEAR STRUCTURE ¹⁴¹Ce, ⁹³Zr, ⁹³Mo, ⁹⁵Zr, ⁹⁵Mo; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0370-2693(68)90512-1
Citations: PlumX Metrics

Note: The following list of authors and aliases matches the search parameter R.Heffner: , R.H.HEFFNER