Recent Articles

Quadrupole moments of $2^{+}$ states of even tin isotopes

R. Graetzer, S. M. Cohick, and J. X. Saladin

Phys. Rev. C 12, 1462 (1975) - Published 1 November, 1975

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In high precision Coulomb excitation experiments $α$ particles of 10.0, 10.5, and 10.6 MeV and ${}^{16}O$ ions of 42.0 and 46.0 MeV were used to excite the first $2^{+}$ states in ${}^{112, 116, 118, 120, 122, 124}{Sn}$ . Static quadrupole moments $Q (2^{+})$ and reduced quadrupole transition probabilities $B (E 2; 0^{+} \to 2^{+})$ were extracted from intensities of particles elastically and inelastically scattered at angles near 173° into an annular detector. The values of $Q (2^{+}$ are very small and consistent with 0.0 b. These results are in agreement with theoretical predictions based on pairing plus quadrupole forces.

NUCLEAR REACTIONS ${}^{112, 116, 118, 120, 122, 124}{Sn} (α, α^{'})$ , $E = 10.0, 10.5, 10.6$ MeV, ${}^{112, 116, 118, 120, 122, 124}{Sn}$ ( ${}^{16}O$ , ${}^{16}O$ '), $E = 42.0, 46.0$ MeV, measured $\frac{d σ}{d Ω}$ for $θ$ near 173°, deduced $Q (2^{+})$ , $B (E 2; 0^{+} \to 2^{+})$ . Enriched targets.

Spin-dependent potentials for deuteron-nucleus scattering

L. D. Knutson and W. Haeberli

Phys. Rev. C 12, 1469 (1975) - Published 1 November, 1975

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Measurements of the cross section, the vector analyzing power, and the three tensor analyzing powers for deuteron elastic scattering from ${}^{90}{Zr}$ at 5.5 MeV and from ${}^{208}{Pb}$ at 9.0 MeV are presented. These measurements and additional measurements obtained from the literature are analyzed in terms of the optical model. The folding model is used to calculate the spin-dependent potentials from the known nucleon-nucleus potentials, and the central terms in the optical potential are determined empirically. Acceptable agreement is obtained for the cross section and vector analyzing power. The calculations reproduce the observed tensor analyzing powers for sub-Coulomb energies but not for energies above the Coulomb barrier.

NUCLEAR REACTIONS ${}^{90}{Zr} (\vec{d}, d)$ , $E_{d} = 5.5$ MeV; ${}^{208}{Pb} (\vec{d}, d)$ , $E_{d} = 9.0$ MeV; measured polarization parameters $i T_{11}$ , $T_{20}$ , $T_{21}$ , $T_{22} (E_{d}, θ)$ ; cross sections $σ (E_{d}, θ)$ . Enriched targets, optical model analysis.

Distribution of mass in thermal-neutron-induced fission of ${}^{257}{Fm}$

K. F. Flynn, J. E. Gindler, and L. E. Glendenin

Phys. Rev. C 12, 1478 (1975) - Published 1 November, 1975

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Fission yields were measured radiochemically for mass chains 112, 127, 132, and 140 in thermal-neutron-induced fission of ${}^{257}{Fm}$ . These yields indicate a single-peaked (symmetric) mass distribution. Comparison is made with the distribution deduced from kinetic-energy measurements, and the effects of neutron emission from the fission fragments are considered.

NUCLEAR REACTIONS, FISSION ${}^{257}{Fm} (n, f)$ , $E = 0.025$ eV; measured radiochemical mass yields.

Deformation parameters of the charge distribution and the optical potential for some nuclei in and near the rare earth region

I. Y. Lee, J. X. Saladin, J. Holden, J. O'Brien, C. Baktash, C. Bemis, Jr., P. H. Stelson, F. K. McGowan, W. T. Milner, J. L. C. Ford, Jr., R. L. Robinson, and W. Tuttle

Phys. Rev. C 12, 1483 (1975) - Published 1 November, 1975

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Elastic and inelastic scattering of $α$ particles on ${}^{154}{Sm}$ , ${}^{166}{Er}$ , ${}^{168}{Er}$ , ${}^{182}W$ , ${}^{184}W$ , and ${}^{186}W$ was performed with incident energies between 11 and 21 MeV. Excitation functions for $0^{+}$ , $2^{+}$ , and $4^{+}$ states of the ground-state rotational band were measured. Pronounced destructive nuclear-Coulomb interference effects were observed. Reduced $E 2$ and $E 4$ transition moments, and charge and optical-potential deformation parameters were determined from coupled-channel analysis of both the sub-Coulomb and interference data.

NUCLEAR REACTIONS ${}^{154}{Sm} (α, α^{'})$ , $E = 11 - 19$ MeV; ${}^{166}{Er} (α, α^{'})$ , $E = 12.5 - 19.5$ MeV; ${}^{182}W (α, α^{'})$ , $E = 13 - 21$ MeV; measured $σ (E_{α}, θ = 150 °)$ . ${}^{168}{Er} (α, α^{'})$ , $E = 13 - 19$ MeV; ${}^{184}W (α, α^{'})$ , $E = 12.5 - 19$ MeV; ${}^{186}W (α, α^{'})$ , $E = 13.25 - 19$ MeV, measured $σ (E_{α}, θ = 140 °, 173.5 °)$ deduced $M (E 2)$ , $M (E 4)$ , charge and optical potential deformations $β_{2}$ and $β_{4}$ ; coupled channel calculation.

One-neutron transfer reactions to ${}^{150}{Sm}$

W. Oelert, J. V. Maher, D. A. Sink, and M. J. Spisak

Phys. Rev. C 12, 1495 (1975) - Published 1 November, 1975

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The ( $d, t$ ) reaction on ${}^{151}{Sm}$ has been investigated at a deuteron energy of 17 MeV; the ( $d, p$ ) reaction on the isotope ${}^{149}{Sm}$ at a deuteron energy of 12.5 MeV. For the stripping reaction angular distributions were taken in 2.5° steps in the range of $7.5 ° \leq θ_{lab} \leq 35 °$ and in 5° steps for $35 ° \leq θ \leq 60 °$ . The experimental energy resolution is 10-12 keV full width at half-maximum (FWHM). For the pickup reaction angular distributions were taken in 2.5° steps in the range of $7.5 ° \leq θ_{lab} \leq 30 °$ and in 5° steps up to $θ_{lab} = 45 °$ . The experimental energy resolution is 6-8 keV FWHM. Spectroscopic factors and $l$ transfers were extracted by distorted-wave Born approximation analysis. The spectroscopic information is compared to one-nucleon transfer results of the lower mass Sm isotopes.

NUCLEAR REACTIONS ${}^{149}{Sm} (d, p)$ , $E_{d} = 12.5$ MeV, resolution 10-12 keV. ${}^{151}{Sm} (d, t)$ , $E_{d} = 17.0$ MeV, resolution 6-8 keV. Measured $σ (E_{p}, θ)$ $σ (E_{t}, θ)$ ; ${}^{150}{Sm}$ level energies, enriched targets, DWBA analysis.

Determination of the ${}^{237}{Np} (n, 2 n) {}^{236}{Np}$ cross section at 15 MeV neutron energy

K. Lindeke, S. Specht, and H. -J. Born

Phys. Rev. C 12, 1507 (1975) - Published 1 November, 1975

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The neutron cross section for the ${}^{237}{Np} (n, 2 n) {}^{236}{Np}^{g}$ reaction has been determined at a neutron energy of 15 MeV. Two independent methods were used: (1) $α$ particles of ${}^{236}{Pu}$ following the $β^{'}$ decay of ${}^{236}{Np}$ were counted after chemical separation of Pu. (2) The 642.4 keV $γ$ rays of ${}^{236}{Np}^{g}$ decay to ${}^{236}U$ were measured directly after the irradiation of the ${}^{237}{Np}$ sample. The neutron fluence was calculated from the ${}^{27}{Al} (n, α) {}^{24}{Na}$ reaction and from the measurement of the fission product ${}^{97}{Zr}$ with a calibrated Ge(Li) spectrometer. The most precise value is 247 ± 22 mb. The error is mainly due to uncertainties of the nuclear data used for the cross-section calculation.

NUCLEAR REACTIONS ${}^{237}{Np} (n, 2 n)$ , $E = 15$ MeV, measured $σ$ .

Measurement of the mass of ${}^{8}{He}$

R. Kouzes and W. H. Moore

Phys. Rev. C 12, 1511 (1975) - Published 1 November, 1975

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Proton states in ${}^{87}{Rb}$

L. R. Medsker, H. T. Fortune, S. C. Headley, and J. N. Bishop

Phys. Rev. C 12, 1516 (1975) - Published 1 November, 1975

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The ${}^{86}{Kr} ({}^{3}{He}, d) {}^{87}{Rb}$ reaction has been studied at a bombarding energy of 18 MeV. The isotopically enriched ${}^{86}{Kr}$ target was contained in a gas cell with no entrance window. Excitation energies and angular distributions were obtained for 60 levels below 7 MeV in ${}^{87}{Rb}$ . A distorted-wave analysis was used to determine $l$ values and spectroscopic strengths. The results are compared with previous data from transfer reactions and radioactive decay.

NUCLEAR REACTIONS ${}^{86}{Kr} ({}^{3}{He}, d)$ , $E = 18$ MeV; enriched target; measured $σ (E_{d}, θ)$ ; deduced ${}^{87}{Rb}$ levels, $l$ , $j$ , $G_{lj}$ .

${(f_{\frac{7}{2}})}^{2}_{7, 0} {d_{\frac{3}{2}}}^{- 1}$ configuration states in ${}^{41}{Ca}$ strongly populated by the ${}^{39}K (α, d)$ reaction

H. Nann, W. S. Chien, A. Saha, and B. H. Wildenthal

Phys. Rev. C 12, 1524 (1975) - Published 1 November, 1975

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Angular distributions of levels in ${}^{41}{Ca}$ strongly populated in the ${}^{39}K (α, d)$ reaction have been measured at $E_{α} = 40$ MeV. Levels which have components corresponding to the coupling of the captured proton-neutron pair in the ${(f_{\frac{7}{2}})}^{2}_{7, 0}$ configuration to the ground state of ${}^{39}K$ have been identified by means of their characteristic $L = 6$ angular distributions. Evidence for the [ ${(f_{\frac{7}{2}})}^{2}_{7, 0} {d_{\frac{3}{2}}}^{- 1}$ ] 2p-1h character of the states in ${}^{41}{Ca}$ at 3.37, 3.83, 3.92, 3.97, 4.52, 5.22, and 5.35 MeV is discussed.

NUCLEAR REACTION ${}^{39}K (α, d)$ , $E_{α} = 40$ MeV, measured $σ (E_{d}, θ)$ ; natural target; deduced $L$ transfer.

Absolute cross sections for the ${}^{63, 65}{Cu} ({}^{16}O, X)$ reactions

J. C. Wells, Jr., R. L. Robinson, H. J. Kim, and J. L. C. Ford, Jr.

Phys. Rev. C 12, 1529 (1975) - Published 1 November, 1975

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The absolute cross sections for a number of different reactions resulting from the bombardment of ${}^{63, 65}{Cu}$ with 38.5-, 41.0-, 43.5-, 46.0-, 48.5-, and 51.0-MeV ${}^{16}O$ ions were determined from $γ$ -ray yields observed from the decay of resulting radioactivities, and from yields of in-beam $γ$ rays. The total cross section was compared to an optical model calculation and to a parabolic barrier potential calculation. The relative population of the reaction products was compared to calculations for the statistical decay of a compound nucleus by $n$ , $p$ , and $α$ evaporation. This model does account for the general features of the experimental results, and agrees reasonably well with the stronger exit channels. A summary of the general features of the ${}^{58, 60, 61}{Ni} ({}^{16}O, X)$ and ${}^{63, 65}{Cu} ({}^{16}O, X)$ reactions is included.

NUCLEAR REACTIONS ${}^{63, 65}{Cu} ({}^{16}O, X)$ , $E_{{}^{16}O} = 38.5, 41.0, 43.5, 46.0, 48.5, and 51.0$ MeV; measured $E_{γ}$ , $I_{γ}$ ; deduced $σ (E)$ .

$R$ -matrix description of scattering from optical model potentials

R. J. Philpott

Phys. Rev. C 12, 1540 (1975) - Published 1 November, 1975

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The reduction of the dynamical equations of the Lane-Robson reaction formalism, reported previously, is extended to the important case in which the nuclear Hamiltonian contains absorptive and linearly energy dependent terms. The method is illustrated by an $R$ -matrix analysis of two potential models fitted to ${}^{16}O$ + ${}^{16}O$ elastic scattering data in the energy region $10 MeV < E_{c . m .} < 35 MeV$ . The $R$ -matrix method provides an economical representation of the model solutions and yields further insight into the nature of the resonance structure predicted by these models.

NUCLEAR REACTIONS ${}^{16}O$ ( ${}^{16}O$ , ${}^{16}O$ ), $E_{c . m .} = 10 - 35$ MeV; calculated $R$ -matrix parameters for optical potential models; deduced $Γ$ , $σ (E)$ .

Transition rates between two-body states in ${}^{206}{Tl}$ , ${}^{208}{Bi}$ , and ${}^{210}{Bi}$

D. J. Donahue, O. Häusser, R. L. Hershberger, R. Lutter, and F. Riess

Phys. Rev. C 12, 1547 (1975) - Published 1 November, 1975

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Recoil-distance techniques have been used to measure mean lives of some two-hole, particle-hole, and two-particle states in ${}^{206}{Tl}$ , ${}^{208}{Bi}$ , and ${}^{210}{Bi}$ . A comprehensive comparison is presented of these results and all other known $E 2$ and $M 1$ matrix elements for two-body states with calculations. The calculations are made using wave functions of Ma and True and of Kuo and Herling together with known effective single-particle matrix elements. Reasonable agreement is obtained, particularly with the Kuo-Herling wave functions. From measurements of the $1^{-}$ → $0^{-}$ $M 1$ transition rate in ${}^{206}{Tl}$ , the magnetic moment of the $3 s_{\frac{1}{2}}$ proton-hole state in ${}^{207}{Tl}$ is determined to be $μ = (1.83 \pm 0.18) μ_{N}$ .

NUCLEAR REACTIONS ${}^{205}{Tl}$ ( ${}^{17}O$ , ${}^{16}O$ ), ${}^{209}{Bi}$ ( ${}^{17}O$ , ${}^{18}O$ ), and ${}^{209}{Bi}$ ( ${}^{17}O$ , ${}^{16}O$ ) at 75 MeV. Recoil-distance Doppler-shift measurements used to deduce $T_{\frac{1}{2}}$ of states in product nuclei.

Four-nucleon transfer reactions between heavy ions below the Coulomb barrier

Mahir S. Hussein

Phys. Rev. C 12, 1557 (1975) - Published 1 November, 1975

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The pairing collective model is employed in the description of some aspects of heavy-ion four-nucleon transfer reactions below or at the Coulomb barrier. The "gauge-spin" model of pairing collective motion is utilized for the purpose.

NUCLEAR REACTIONS Heavy-ion four-nucleon transfer below the Coulomb barrier is discussed.

Qualitative behavior of heavy-ion elastic scattering angular distributions

R. C. Fuller

Phys. Rev. C 12, 1561 (1975) - Published 1 November, 1975

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To study the qualitative features of elastic scattering in the presence of strong absorption, the scattering amplitude is decomposed into what the semiclassical approach calls positive- and negative-deflection-angle contributions. For an amplitude obtained from partial-wave summation this is done without approximation by considering the two amplitudes corresponding to the decomposition of each Legendre polynomial into its two traveling-wave components. It is necessary to separately consider the amplitude arising from the infinite-range Coulomb interaction which does not admit a partial-wave expansion. To decompose this amplitude we follow an approach which leads to increased understanding of the "diverging lens" effect of the Coulomb field and the related Fraunhofer and Fresnel diffraction structure of angular distributions. In addition, the absence or presence of oscillation at back angles is shown to be related to the dominance of reflective or "encirclement" scattering. By examining the phase of the positive-deflection-angle contribution to the scattering amplitude, we are able to conclude, in agreement with Frahn, that the smooth fall in tandem heavy-ion elastic angular distributions arises from a diffractive shadow and not a refractive or Coulomb-rainbow shadow.

NUCLEAR REACTIONS HI elastic angular distributions interpreted.

Transfer reactions with heavy ions on light nuclei

K. G. Nair, H. Voit, C. W. Towsley, M. Hamm, J. D. Bronson, and K. Nagatani

Phys. Rev. C 12, 1575 (1975) - Published 1 November, 1975

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Proton and neutron transfer reactions resulting from the bombardment of ${}^{12}C$ and ${}^{16}O$ targets by ${}^{14}N$ beams and ${}^{12}C$ , ${}^{14}N$ , and ${}^{16}O$ targets by ${}^{10}B$ beams have been studied with counter telescopes and particle identification techniques. The incident energies were far above the Coulomb barrier for these systems: 155 MeV for ${}^{14}N$ ions and 100 MeV for ${}^{10}B$ ions. Angular distributions have been measured for transitions to the ground states and several excited states in the residual nuclei produced. Ejectile excitations were also observed in some instances. Exact finite range distorted-wave-Born-approximation calculations have been performed for these states which are mostly in the $1 p$ and $2 s - 1 d$ shells. The extracted spectroscopic factors are generally in good agreement with theoretical predictions and other previously obtained results. However, there are some conspicuous but isolated instances where they are not, pointing towards a need for more sophisticated approaches including core excitations for those cases. Generally the quality of spectroscopic studies with heavy-ion-induced transfer reactions is comparable if not superior to that from the corresponding light-ion-induced reactions.

NUCLEAR REACTIONS ${}^{12}C$ ( ${}^{14}N$ , ${}^{13}N$ ), ${}^{12}C$ ( ${}^{14}N$ , ${}^{13}C$ ), $E = 155$ MeV; ${}^{16}O$ ( ${}^{14}N$ , ${}^{13}N$ ), ${}^{16}O$ ( ${}^{14}N$ , ${}^{13}C$ ), ${}^{16}O$ ( ${}^{14}N$ , ${}^{15}N$ ), $E = 155$ MeV; ${}^{12}C$ ( ${}^{10}B$ , ${}^{11}B$ ), ${}^{12}C$ ( ${}^{10}B$ , ${}^{11}C$ ), $E = 100$ MeV; ${}^{14}N$ ( ${}^{10}B$ , ${}^{11}B$ ), ${}^{14}N$ ( ${}^{10}B$ , ${}^{11}C$ ), ${}^{14}N$ ( ${}^{10}B$ , ${}^{9}{Be}$ ), $E = 100$ MeV; ${}^{16}O$ ( ${}^{10}B$ , ${}^{11}B$ ), ${}^{16}O$ ( ${}^{10}B$ , ${}^{11}C$ ), ${}^{16}O$ ( ${}^{10}B$ , ${}^{9}{Be}$ ), $E = 100$ MeV; measured $σ (θ)$ ; EFR DWBA analyses; extracted spectroscopic factors.

Distorted-wave approximation and nuclear correlations in pion reactions

Anton Nagl, F. Cannata, and H. Überall

Phys. Rev. C 12, 1586 (1975) - Published 1 November, 1975

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The final- (or initial-) state interactions of pions participating in reactions with a complex nucleus are usually treated in distorted-wave impulse approximation with optical model wave functions. We improve this approximation by using an "effective pion field" which takes into account the hard-core nuclear correlations. This is illustrated here by the example of charged pion photoproduction from a ${}^{12}C$ target.

NUCLEAR REACTIONS ${}^{12}C (γ, π^{-}) {}^{12}N_{g . s .}$ , calculated $σ (Ω)$ , distorted pion wave, included effects of nucleon-nucleon correlations.

Pion elastic scattering from aligned targets

Martha S. Iverson and E. Rost

Phys. Rev. C 12, 1589 (1975) - Published 1 November, 1975

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The differences in the interactions of $π^{+}$ and $π^{-}$ particles with neutrons and protons can be used to investigate relative neutron and proton densities in nuclei. The use of aligned targets with $π^{+}$ and $π^{-}$ beams presents considerable advantages for the extraction of neutron density information. As a framework for estimating pion scattering from aligned targets we use the Kisslinger optical potential including a deformed nucleon density distribution. The difference between aligned and unaligned differential cross sections (deformation effect) is found to be linear in $β$ and allows for the extraction of neutron density shape information.

NUCLEAR REACTIONS Scattering theory, $π^{\pm}$ elastic scattering from aligned targets. ${}^{165}{Ho} (π, π)$ , $T_{π} = 100 - 200$ MeV; calculated $σ_{aligned} (θ)$ , $σ_{unaligned} (θ)$ .

Field-theoretic Low equation approach to pion-nucleus scattering

J. Barry Cammarata and Manoj K. Banerjee

Phys. Rev. C 12, 1595 (1975) - Published 1 November, 1975

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From the pion-nucleus Low equation in the one-meson approximation we obtain an uncoupled, nonlinear, singular integral equation to determine the crossing symmetric elastic pion-nucleus scattering amplitude. The driving term of this equation is evaluated in an impulse single-scattering approximation for ( $J^{π} = 0^{+}$ , $I = 0$ ) ground state nuclei. It is found that unitarity requires that we include the effects of the strong absorption of the low partial waves in the entrance and exit channels. Thus, we introduce distortion of the pion waves by a procedure used in the inelastic peripheral scattering of elementary particles. Numerical results are presented for the interative solution of this equation for $π$ - ${}^{12}C$ scattering in the energy region of the (3, 3) resonance.

NUCLEAR REACTIONS $π$ -nucleus scattering theory with field-theoretic Low equation. ${}^{12}C (π, π)$ , $E$ in (3, 3) resonance region; calculated $σ$ , $σ (θ)$ .

Effective channel approach to nuclear scattering at high energies. I

Yukap Hahn and D. W. Rule

Phys. Rev. C 12, 1607 (1975) - Published 1 November, 1975

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The elastic scattering of high-energy particles by composite target nuclei is formulated in terms of coupled equations in which the effect of inelastic processes is represented by an average inelastic channel. The average fluctuation energy and fluctuation potentials which specify this channel are explicitly constructed and shown to be related to the two- and three-particle correlation functions. The theory incorporates approximately the effects of nonlocality, energy-dependence, rescattering, and absorption of all the inelastic channels. Systematic improvements of the method as well as several extensions of the formalism to target excitations and particle exchanges are discussed.

NUCLEAR REACTIONS Scattering theory of protons and pions by nuclei at high energies. Construction of the effective inelastic channels.

Effective channel approach to nuclear scattering at high energies. II. Proton-helium elastic scattering at 1 GeV

D. W. Rule and Y. Hahn

Phys. Rev. C 12, 1616 (1975) - Published 1 November, 1975

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The effective channel formulation of high-energy nuclear reactions is applied to the proton-helium system and the result is compared with experimental data. This formulation provides a consistent procedure for the evaluation of the ground state to effective channel coupling potential, average excitation energy, and the average potential in the effective channel. The effect of coupling to the effective channel as well as the effect of each quantity in that channel are demonstrated. The calculated cross sections were compared to the recent data from Saclay as well to the earlier Brookhaven data for 1 GeV $p$ - ${}^{4}{He}$ elastic scattering. The possibility of using proton-nucleus scattering experiments to obtain a refined estimate of the ratio of the real part to the imaginary part of the proton-nucleon elastic scattering amplitude was investigated. The effect on the calculated cross section due to the uncertainty in the input parameters was carefully analyzed and found to be large enough to obscure the nature of any possible dynamical correlation effects and any possible off-shell effect in the two-body amplitude.

NUCLEAR REACTIONS ${}^{4}{He} (p, p)$ , $E = 1$ GeV; calculated elastic $σ (θ)$ ; compared to experiment. Effective channel theory.

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Quadrupole moments of $2^{+}$ states of even tin isotopes

Spin-dependent potentials for deuteron-nucleus scattering

Distribution of mass in thermal-neutron-induced fission of ${}^{257}{Fm}$

Deformation parameters of the charge distribution and the optical potential for some nuclei in and near the rare earth region

One-neutron transfer reactions to ${}^{150}{Sm}$

Determination of the ${}^{237}{Np} (n, 2 n) {}^{236}{Np}$ cross section at 15 MeV neutron energy

Measurement of the mass of ${}^{8}{He}$

Proton states in ${}^{87}{Rb}$

${(f_{\frac{7}{2}})}^{2}_{7, 0} {d_{\frac{3}{2}}}^{- 1}$ configuration states in ${}^{41}{Ca}$ strongly populated by the ${}^{39}K (α, d)$ reaction

Absolute cross sections for the ${}^{63, 65}{Cu} ({}^{16}O, X)$ reactions

$R$ -matrix description of scattering from optical model potentials

Transition rates between two-body states in ${}^{206}{Tl}$ , ${}^{208}{Bi}$ , and ${}^{210}{Bi}$

Four-nucleon transfer reactions between heavy ions below the Coulomb barrier

Qualitative behavior of heavy-ion elastic scattering angular distributions

Transfer reactions with heavy ions on light nuclei

Distorted-wave approximation and nuclear correlations in pion reactions

Pion elastic scattering from aligned targets

Field-theoretic Low equation approach to pion-nucleus scattering

Effective channel approach to nuclear scattering at high energies. I

Effective channel approach to nuclear scattering at high energies. II. Proton-helium elastic scattering at 1 GeV

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