Richard Lemmer, Ph.D. - Publications

Physics University of the Witwatersrand, South Africa 
Particle Theory

64 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any innacuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2011 Klevansky SP, Lemmer RH. Decay of kaonium in a chiral approach Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 702: 235-241. DOI: 10.1016/j.physletb.2011.07.002  1
2009 Lemmer RH. KK̄ molecules with momentum-dependent interactions Physical Review C - Nuclear Physics. 80. DOI: 10.1103/PhysRevC.80.045205  1
2007 Lemmer RH. Calculation of the two-photon decay width of the f0 (980) scalar meson Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 650: 152-158. DOI: 10.1016/j.physletb.2007.03.071  1
2006 Lemmer RH. Extraction of the K K̄ isovector scattering length from pp→dK+K̄0 data near threshold Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 633: 265-268. DOI: 10.1016/j.physletb.2005.11.074  1
2004 Krewald S, Lemmer RH, Sassen FP. Lifetime of kaonium Physical Review D. 69. DOI: 10.1103/PhysRevD.69.016003  1
2002 Lemmer RH, Tegen R. Current algebra calculation of ρV (1)-ρA (1) Physical Review C - Nuclear Physics. 66: 652021-6520210.  1
2002 Wilmot CA, Lemmer RH. Electric and magnetic polarizability of goldstone pions to subleading O(Nc -1) in the bosonized Nambu-Jona-Lasinio model Physical Review C - Nuclear Physics. 65: 352061-3520613.  1
2001 Lemmer RH, Wilmot CA. Pion polarizability in an effective chiral model Nuclear Physics A. 690: 263c-266c.  1
1999 Klevansky SP, Lemmer RH, Wilmot CA. The Das-Mathur-Okubo sum rule for the charged pion polarizability in a chiral model Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 457: 1-8.  1
1996 Dmitrašinović V, Klevansky SP, Lemmer RH. Weinberg sum rules in an effective chiral field theory Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 386: 45-49.  1
1995 Dmitrainović V, Schulze HJ, Tegen R, Lemmer RH. Pion and quark electromagnetic self-masses in the Nambu Jona-Lasinio model Physical Review D. 52: 2855-2877. DOI: 10.1103/PhysRevD.52.2855  1
1995 Lemmer RH, Tegen R. Meson cloud corrections to the pion electromagnetic form factor in the Nambu-Jona-Lasinio model Nuclear Physics, Section A. 593: 315-340. DOI: 10.1016/0375-9474(95)00331-T  1
1995 Dmitrasinovic V, Schulze HJ, Tegen R, Lemmer RH. Chirally Symmetric O(1/NC) Corrections to the Nambu-Jona-Lasinio Model Annals of Physics. 238: 332-369. DOI: 10.1006/aphy.1995.1024  1
1992 Dmitrasinovic V, Lemmer RH, Tegen R. The mass difference between the charged and neutral pions in the Nambu-Jona-Lasinio model Physics Letters B. 284: 201-204. DOI: 10.1016/0370-2693(92)90420-9  1
1991 Klevansky SP, Jaenicke J, Lemmer RH. Collective modes of the Nambu Jona-Lasinio model with an external U(1) gauge field Physical Review D. 43: 3040-3048. DOI: 10.1103/PhysRevD.43.3040  1
1991 Tegen R, Cole BJ, Davidson NJ, Lemmer RH, Miller HG, Quick RM. Thermodynamics of hadronic matter at high density Nuclear Physics, Section A. 530: 740-758. DOI: 10.1016/0375-9474(91)90777-4  1
1990 Davidson NJ, Cole BJ, Miller HG, Quick RM, Lemmer RH, Tegen R. The specific heat of hadronic matter at large baryon number densities Physics Letters B. 241: 467-471. DOI: 10.1016/0370-2693(90)91853-4  1
1990 Klevansky SP, Lemmer RH. Interpretation of e+e- peaks in heavy-ion collisions as a Lee-Wick phase transition Il Nuovo Cimento A. 103: 941-947. DOI: 10.1007/BF02799238  1
1990 Klevansky SP, Lemmer RH. Relation between the Lee-Wick and Nambu-Jona-Lasinio models of chiral symmetry breaking Zeitschrift FüR Physik a Atomic Nuclei. 336: 223-228. DOI: 10.1007/BF01290624  1
1989 Klevansky SP, Lemmer RH. Chiral-symmetry restoration in the nambu"Jona-Lasinio model with a constant electromagnetic field Physical Review D. 39: 3478-3489. DOI: 10.1103/PhysRevD.39.3478  1
1988 Klevansky SP, Lemmer RH. Chiral-symmetry breaking at finite temperatures Physical Review D. 38: 3559-3565. DOI: 10.1103/PhysRevD.38.3559  1
1987 Klevansky SP, Lemmer RH. Ginsburg-Landau equation for an interacting quark gas Physical Review D. 35: 2866-2873. DOI: 10.1103/PhysRevD.35.2866  1
1985 Klevansky SP, Lemmer RH. On the fission mechanism of an ellipsoidal MIT bag. II Journal of Physics G: Nuclear Physics. 11: 1103-1115. DOI: 10.1088/0305-4616/11/10/007  1
1985 Lemmer RH, Greiner W. Enhancement of positron photoproduction in nearly critical strong fields Physics Letters B. 162: 247-250. DOI: 10.1016/0370-2693(85)90915-3  1
1984 Heiss WD, Lemmer RH. Collective particle hole excitation in a deformed ground state Physical Review C. 29: 2368-2370. DOI: 10.1103/PhysRevC.29.2368  1
1983 Klevansky SP, Lemmer RH. Deep-lying hole states in nuclei: Microscopic approach Physical Review C. 28: 1763-1778. DOI: 10.1103/PhysRevC.28.1763  1
1983 Brendel C, Carter J, Beck F, Richter A, Schrieder G, Schüll D, Delic G, Lemmer RH. Single nucleon transfer reactions in a core excitation model for 48Ti incident on 42Ca at 8 MeV/AMU Physics Letters B. 124: 474-478. DOI: 10.1016/0370-2693(83)91555-1  1
1982 Heiss WD, Lemmer RH. Density fluctuations in infinite Fermi systems Physical Review C. 26: 1781-1783. DOI: 10.1103/PhysRevC.26.1781  1
1982 Klevansky SP, Lemmer RH. Deep-lying hole states in the optical model Physical Review C. 25: 3137-3145. DOI: 10.1103/PhysRevC.25.3137  1
1982 Delic G, Lemmer RH. Quadrupole excitations in the two-center shell model (II) Nuclear Physics, Section A. 380: 270-284. DOI: 10.1016/0375-9474(82)90106-3  1
1980 Lemmer RH, Toepffer C. Fusion doorway states in the C12 + C12 system Physical Review Letters. 44: 26-29. DOI: 10.1103/PhysRevLett.44.26  1
1980 Viljoen JdP, Lemmer RH. Phonon renormalization in an ideal Heisenberg ferromagnet Annals of Physics. 126: 291-316. DOI: 10.1016/0003-4916(80)90178-5  1
1979 Lemmer RH, Toepffer C. Isoscalar quadrupole excitations in the two-center shell model Nuclear Physics, Section A. 319: 89-108. DOI: 10.1016/0375-9474(79)90173-8  1
1978 Lemmer RH, Lowther JE. Magnetic properties of uranium monopnictides Journal of Physics C: Solid State Physics. 11: 1145-1153. DOI: 10.1088/0022-3719/11/6/020  1
1978 Kok FJ, Lemmer RH. Collective effects in atoms via a schematic model Zeitschrift FüR Physik a Atoms and Nuclei. 285: 339-346. DOI: 10.1007/BF01813232  1
1978 Lemmer RH. COUPLING OF PHONONS TO MAGNETIC EXCITATIONS IN A SYSTEM WITH TWO SINGLET LEVELS. Journal De Physique. Colloque. 40: c4. 220-c4. 221.  1
1977 Boeyens JCA, Lemmer RH. Valence bond studies. Part 2. - Diatomic compounds of copper, silver and gold Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics. 73: 321-326. DOI: 10.1039/F29777300321  1
1977 Lemmer RH, de P. Viljoen J. Possible anomalous behavior of the sound velocity in a magnetic crystal Journal of Magnetism and Magnetic Materials. 5: 161-163. DOI: 10.1016/0304-8853(77)90183-4  1
1976 Dover CB, Lemmer RH. Pion-nucleus scattering and the Pauli principle Physical Review C. 14: 2211-2225. DOI: 10.1103/PhysRevC.14.2211  1
1973 Dover CB, Lemmer RH. Pion-nucleus scattering in the (3,3) resonance region Physical Review C. 7: 2312-2339. DOI: 10.1103/PhysRevC.7.2312  1
1972 Dover CB, Lemmer RH, Hahne FJW. Damping of nuclear dipole states Annals of Physics. 70: 458-506. DOI: 10.1016/0003-4916(72)90275-8  1
1972 Dover CB, Lemmer RH. A Chew-Low approach to pion-nucleus scattering Lettere Al Nuovo Cimento Series 2. 4: 487-493. DOI: 10.1007/BF02757150  1
1971 Dover CB, Hüfner J, Lemmer RH. Pions in nuclear matter-an approach to the pion-nucleus optical potential Annals of Physics. 66: 248-292. DOI: 10.1016/0003-4916(71)90189-8  1
1971 Dover CB, Ballot JL, Lemmer RH. Calculation of the pion-nucleus optical potential Lettere Al Nuovo Cimento. 2: 715-718. DOI: 10.1007/BF02799249  1
1970 Scheid W, Greiner W, Lemmer R. Quasimolecular structure in elastic O16 + O16 scattering Physical Review Letters. 25: 176-180. DOI: 10.1103/PhysRevLett.25.176  1
1970 Engelbrecht CA, Lemmer RH. Isospin polarization in the nuclear many-body problem Physical Review Letters. 24: 607-611. DOI: 10.1103/PhysRevLett.24.607  1
1969 Dover CB, Lemmer RH. Retarded interactions in fermi systems. II. Quasiparticle lifetimes Physical Review. 183: 908-918. DOI: 10.1103/PhysRev.183.908  1
1968 Hüfner J, Lemmer RH. Use of a truncated Hilbert space in nuclear reaction calculations Physical Review. 175: 1394-1402. DOI: 10.1103/PhysRev.175.1394  1
1968 Lemmer RH, Vénéroni M. Nuclear scattering in the random phase approximation Physical Review. 170: 883-890. DOI: 10.1103/PhysRev.170.883  1
1967 Feshbach H, Kerman AK, Lemmer RH. Intermediate structure and doorway states in nuclear reactions Annals of Physics. 41: 230-286.  1
1966 Auerbach EH, Dover CB, Kerman AK, Lemmer RH, Schwarcz EH. Analysis of analog-state resonances by coupled optical equations Physical Review Letters. 17: 1184-1186. DOI: 10.1103/PhysRevLett.17.1184  1
1966 Lemmer RH. Nuclear reactions Reports On Progress in Physics. 29: 131-170. DOI: 10.1088/0034-4885/29/1/303  1
1964 Lemmer RH, Shakin CM. Resonance reactions and the nuclear shell model I Annals of Physics. 27: 13-57.  1
1963 Lemmer RH. Effects of particle-hole excitations in nuclear scattering Physics Letters. 4: 205-208.  1
1962 Lemmer RH. Classical description of deuteron stripping in a coulomb field Nuclear Physics. 39: 680-685.  1
1961 Lemmer RH, De Shalit A, Wall NS. Excitations of two-phonon surface vibrations in nuclei Physical Review. 124: 1155-1162. DOI: 10.1103/PhysRev.124.1155  1
1961 Lemmer RH, Weisskopf VF. On the preponderance of prolate deformations in nuclei Nuclear Physics. 25: 624-633.  1
1960 Lemmer RH, Green AES. Single-particle states in deformed nonlocal diffuse boundary potentials Physical Review. 119: 1043-1052. DOI: 10.1103/PhysRev.119.1043  1
1960 Lemmer RH, Tang YC, Frain WE. Scattering of high-energy nucleons by a nonlocal potential Physical Review. 118: 269-270. DOI: 10.1103/PhysRev.118.269  1
1960 Lemmer RH. Single particle motion in a deformed, nonlocal potential well Physical Review. 117: 1551-1561. DOI: 10.1103/PhysRev.117.1551  1
1959 Tang YC, Lemmer RH, Wyatt PJ, Green AES. Plausibility of a nonlocal optical model Physical Review. 116: 402-406. DOI: 10.1103/PhysRev.116.402  1
1959 Lemmer RH, Maris TAJ, Tang YC. On the imaginary optical potential Nuclear Physics. 12: 619-624.  1
1957 Frahn WE, Lemmer RH. Effective nuclear potentials Il Nuovo Cimento. 5: 523-525. DOI: 10.1007/BF02855261  1
1957 Frahn WE, Lemmer RH. Velocity-dependent nuclear interaction - II. - Level schemes Il Nuovo Cimento. 6: 1221-1224. DOI: 10.1007/BF02747404  1
Show low-probability matches.