Selected previous papers

  1. Alpha Decay of Deformed Even-Even Nuclei
    R. R. Chasman and J. O. Rasmussen
    Phys. Rev. 112, 512-518 (1958)
  2. Theoretical Studies of the Alpha Decay of U233
    R. R. Chasman and J. O. Rasmussen
    Phys. Rev. 115, 1257-1263 (1959)
  3. Calculations in Nuclear Evaporation Theory
    Richard Chasman
    Phys. Rev. 122, 902-907 (1961)
  4. New Approximation for Pairing Forces in Nuclei
    Richard R. Chasman
    Phys. Rev. Lett. 7, 418-419 (1961)
  5. Nuclear Magnetic Moments of W183, Os187, and Fe57
    Richard R. Chasman
    Phys. Rev. 129, 2113-2116 (1963)
  6. Eigenvalues of the Nuclear Pairing Hamiltonian
    Richard R. Chasman
    Phys. Rev. 132, 343-345 (1963)
  7. Eigenfunctions of the Nuclear Pairing Hamiltonian
    R. R. Chasman
    Phys. Rev. 134, B279-B284 (1964)
  8. "Seniority-Zero" Excited States of the Pairing Hamiltonian
    R. R. Chasman
    Phys. Rev. 138, B326-B333 (1965)
  9. Neutron single-particle energies in the Yb isotopes
    R. R. Chasman
    Nucl. Phys. 89, 11-21 (1966)
  10. Energy level structure of 231Th, 235U, 237U, 241Pu and 243Pu as observed at high resolution with (d,p) reactions
    T. H. Braid, R. R. Chasman, J. R. Erskine, and A. M. Friedman
    Phys. Lett. 18, 149-154 (1965)
  11. Transformation scheme for harmonic-oscillator wave functions
    R. R. Chasman and S. Wahlborn
    Nucl. Phys. A90, 401-406 (1967)
  12. Linearization of the Pairing Hamiltonian
    R. R. Chasman
    Phys. Rev. 156, 1197-1200 (1967)
  13. Linearization of the Pairing Hamiltonian. II
    R. R. Chasman
    Phys. Rev. 169, 782-788 (1968)
  14. Seniority-zero excited states and the intermediate state method
    R. R. Chasman
    Nucl. Phys. A119, 476-480 (1968)
  15. (d, p) and (d, t) Reaction Studies of the Actinide Elements. I. U235
    T. H. Braid, R. R. Chasman, J. R. Erskine, and A. M. Friedman
    Phys. Rev. C 1, 275-289 (1970)
  16. Nuclear Equipotential Surfaces in the Heavy Elements
    R. R. Chasman
    Phys. Rev. C 1, 2144-2151 (1970)
  17. Simple Momentum-Dependent Nuclear Central Potential
    R. R. Chasman
    Phys. Rev. C 3, 1803-1807 (1971)
  18. (d,p) and (d,t) Studies of the Actinide Elements. II. 243Cm, 245Cm, 247Cm, and 249Cm
    T. H. Braid, R. R. Chasman, J. R. Erskine, and A. M. Friedman
    Phys. Rev. C 4, 247-262 (1971)
  19. Two-Body Interactions: The Method of Correlated Quasiparticles. I.
    R. R. Chasman
    Phys. Rev. C 5, 29-35 (1972)
  20. O+ Excited States in the Actinides
    R. R. Chasman
    Phys. Rev. Lett. 28, 1275-1277 (1972)
  21. Reaction-Spectroscopy Studies of the Actinide Elements. III. Levels in 241Pu and 243Pu
    T. H. Braid, R. R. Chasman, J. R. Erskine, and A. M. Friedman
    Phys. Rev. C 6, 1374-1384 (1972)
  22. Method of Correlated Quasiparticles. II. 0+ Particle-Particle Residual Interactions
    R. R. Chasman
    Phys. Rev. C 7, 553-560 (1973)
  23. Method of Correlated Quasiparticles. III. 0+ Particle-Particle Residual Interactions in Odd-Mass Systems
    R. R. Chasman
    Phys. Rev. C 8, 1896-1905 (1973)
  24. Particle-hole interactions and vibrational states
    R. R. Chasman
    Phys. Rev. C 9, 1795-1800 (1974)
  25. Superheavy Elements and the Strutinsky Prescription
    R. R. Chasman
    Phys. Rev. Lett. 33, 544-547 (1974)
  26. Study of 249Bk, 241Am, and 231Pa with proton transfer reactions
    J. R. Erskine, G. Kyle, R. R. Chasman and A. M. Friedman
    Phys. Rev. C 11, 561-579 (1975)
  27. Particle-phonon interactions in 248Cf and 249Cf
    S. W. Yates, R. R. Chasman, A. M. Friedman, I. Ahmad, and K. Katori
    Phys. Rev. C 12, 442-450 (1975)
  28. Particle-hole interactions
    R. R. Chasman and J. W. Durso
    Nucl. Phys. A255, 45-63 (1976)
  29. Scission-point model of nuclear fission based on deformed-shell effects
    B. D. Wilkins, E. P. Steinberg, and R. R. Chasman
    Phys. Rev. C 14, 1832-1863 (1976)
  30. Density-dependent delta interactions and actinide pairing matrix elements
    R. R. Chasman
    Phys. Rev. C 14, 1935-1945 (1976)
  31. Proton Orbital 1/2- [521] and the Stability of Superheavy Elements
    I. Ahmad, A. M. Friedman, R. R. Chasman, and S. W. Yates
    Phys. Rev. Lett. 39, 12-15 (1977)
  32. Survey of single-particle states in the mass region A>228
    R. R. Chasman, I. Ahmad, A. M. Friedman, and J. R. Erskine
    Rev. Mod. Phys. 49, 833-891 (1977)
    Rev. Mod. Phys. 50, 173 (1978)
  33. Coherent residual interactions: pairing plus particle-hole
    R. R. Chasman and W. Ogle
    Nucl. Phys. A303, 67-95 (1978)
  34. Electric monopole transitions and excited 0+ states in 250Cf
    Irshad Ahmad and Richard R. Chasman
    Phys. Rev. C 19, 1140-1143 (1979)
  35. Octupole-Octupole Residual Interactions and Low-Lying 0+ Excited States in the Isotopes 232U, 234U, and 236U
    R. R. Chasman
    Phys. Rev. Lett. 42, 630-633 (1979)
  36. 147Tb and proton single particle states near Z=64
    R. R. Chasman
    Phys. Rev. C 21, 456-458 (1980)
  37. Incipient octupole deformation and parity doublets in the odd mass light actinides
    R. R. Chasman
    Phys. Lett. 96B, 7-10 (1980)
  38. Neutron single particle states for N~82 and the Yrast states of 150,151,152Dy
    R. R. Chasman
    Phys. Lett. 102B, 229-234 (1981)
  39. The relation of the neutron single particle gap at N=82 to high spin Yrast states at A~150
    R. R. Chasman
    Phys. Lett. 108B, 251-255 (1982)
  40. Quadrupole states and the interacting boson approximation
    R. R. Chasman
    Phys. Rev. C 26, 225-227 (1982)
  41. Possible Ground-State Octupole Deformation in 229Pa
    I. Ahmad, J. E. Gindler, R. R. Betts, R. R. Chasman, and A. M. Friedman
    Phys. Rev. Lett. 49, 1758-1761 (1982)
  42. Spherical, oblate, and prolate nuclear shapes near 146Gd
    R. R. Chasman
    Phys. Rev. C 28, 1374-1378 (1983)
  43. Enhanced E1 Transition Rates and Octupole Deformation in 225Ac
    I. Ahmad, R. R. Chasman, J. E. Gindler, and A. M. Friedman
    Phys. Rev. Lett. 52, 503-506 (1984)
  44. Angular momentum decomposition of single particle states in a potential with octupole deformation
    R. R. Chasman
    Phys. Rev. C 30, 1753-1756 (1984)
  45. Incipient octupole and 26-pole deformation in the mass region 220<A<230
    R. R. Chasman
    Phys. Lett. B 175, 254-256 (1986)
  46. Superdeformation in the rare-earth region
    R. R. Chasman
    Phys. Lett. B 187, 219-222 (1987)
  47. Octupole deformation in 227Ac by single-proton stripping reactions: 226Ra(alpha,t)227Ac and 226Ra(3He,d)227Ac
    H. E. Martz, R. K. Sheline, R. G. Lanier, R. W. Hoff, G. L. Struble, and D. J. Decman, D. G. Burke, R. R. Chasman, and R. A. Naumann
    Phys. Rev. C 37, 1407-1419 (1988)
  48. Superdeformation near A=190
    R. R. Chasman
    Phys. Lett. B 219, 227-231 (1989)
  49. Observation of superdeformation in 191Hg
    E. F. Moore, R. V. F. Janssens, R. R. Chasman, I. Ahmad, T. L. Khoo, F. L. H. Wolfs, D. Ye, K. B. Beard, U. Garg, M. W. Drigert, Ph. Benet, Z. W. Grabowski, and J. A. Cizewski
    Phys. Rev. Lett. 63, 360-363 (1989)
  50. Superdeformed band in 192Hg
    D. Ye, R. V. F. Janssens, M. P. Carpenter, E. F. Moore, R. R. Chasman, I. Ahmad, K. B. Beard, Ph. Benet, M. W. Drigert, P. B. Fernandez, U. Garg, T. L. Khoo, S. L. Ridley, and F. L. H. Wolfs
    Phys. Rev. C 41, R13-R16 (1990)
  51. Diabolic points in deformation space
    R. R. Chasman and P. Ring
    Phys. Lett. B 237, 313-316 (1990)
  52. The effects of pairing on superdeformed rotational bands near A=190
    R. R. Chasman
    Phys. Lett. B 242, 317-322 (1990)
  53. Neutron single-particle states above the N=152 subshell
    I. Ahmad, R. R. Chasman, A. M. Friedman, and S. W. Yates
    Phys. Lett. B 251, 338-342 (1990)
  54. Rotational bands with identical transition energies in actinide nuclei
    I. Ahmad, M. P. Carpenter, R. R. Chasman, R. V. F. Janssens, and T. L. Khoo
    Phys. Rev. C 44, 1204-1207 (1991)
  55. Nuclear equilibrium shapes near A=100
    R. R. Chasman
    Z. Phys. A 339, 111-114 (1991)
  56. Superdeformed and hyperdeformed banana shaped nuclides near A=190
    R. R. Chasman
    Phys. Lett. B 266, 243-248 (1991)
  57. The Fermion dynamic symmetry model and superdeformation near A=220
    R. R. Chasman
    Phys. Lett. B 280, 187-190 (1992)
  58. Very extended minima in the A=180 mass region
    R. R. Chasman
    Phys. Lett. B 302, 134-139 (1993)
  59. Configuration interaction effects in rotational bands of superdeformed nuclei
    R. R. Chasman
    Phys. Lett. B 319, 41-46 (1993)
  60. High spin shapes in 182Os with density dependent forces
    J. L. Egido, L. M. Robledo, and R. R. Chasman
    Phys. Lett. B 322, 22-26 (1994)
  61. Octupole deformations in the very extended nuclear shapes of the A~180 region
    R. R. Chasman and L. M. Robledo
    Phys. Lett. B 351, 18-23 (1995)
  62. Very extended shapes in the A~156 mass region
    R. R. Chasman
    Phys. Lett. B 364, 137-142 (1995)
  63. Superdeformed band in 155Dy: where does the "island" of superdeformation end?
    S. M. Fischer, R. V. F. Janssens, M. A. Riley, R. R. Chasman, I. Ahmad, D. J. Blumenthal, T. B. Brown, M. P. Carpenter, G. Hackman, D. J. Hartley, T. L. Khoo, T. Lauritsen, W. C. Ma, D. Nisius, J. Simpson, and P. G. Varmette
    Phys. Rev. C 54 R2806-R2810 (1996)
  64. Nuclear structure at A~250 and the stability of superheavy elements
    R. R. Chasman and I. Ahmad
    Phys. Lett. B 392, 255-261 (1997)
  65. Nuclear shapes in 176W with density dependent forces: from ground state to fission
    J. L. Egido, L. M. Robledo, and R. R. Chasman
    Phys. Lett. B 393, 13-18 (1997)
  66. Comment: "Spins, Parity, Excitation Energies, and Octupole Structure of an Excited Superdeformed Band in 194Hg and Implications for Identical Bands''
    R. R. Chasman
    Phys. Rev. Lett. 80, 4610 (1998)
  67. Possible observation of the 1/2+[880] orbital in 249Cm
    I. Ahmad, B. B. Back, R. R. Chasman, J. P. Greene, T. Ishii, L. R. Morss, G. P. A. Berg, A. Bacher, C. C. Foster, W. R. Lozowski, W. Schmitt, E. J. Stephenson, and T. Yamanaka
    Nucl. Phys. A646, 175-186 (1999)
  68. Spectroscopic studies beyond N=152 neutron gap: Decay of 255Mdand 256Md
    I. Ahmad, R. R. Chasman, and P. R. Fields
    Phys. Rev. C 61, 044301-1:6 (2000)
  69. Energy levels in 251Cf populated in the alpha decay of 255Fm
    I. Ahmad, M. P. Carpenter, R. R. Chasman, J. P. Greene, R. V. F. Janssens, T. L. Khoo, F. G. Kondev, T. Lauritsen, C. J. Lister, P. Reiter, D. Seweryniak, A. Sonzogni, J. Uusitalo, and I. Wiedenhöver
    Phys. Rev. C 62, 064302-1:5 (2000)
Richard R. Chasman