Effective nucleon-nucleon interaction for scattering at intermediate energies

Love, W.G.; Franey, M. A.

doi:10.1103/physrevc.24.1073

Cited by 419 publications

(308 citation statements)

References 36 publications

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“…It is nearly constant with an average value of (dσ/dΩ α )/(dσ/dΩ p ) = 6.2(7). The central part of the nucleon-nucleon interaction is strongly energydependent [20] and decreases with increasing energy from 34 MeV/u to 80 MeV/u. This also leads to a higher degree of transparency for the proton probe and additional cancellation effects for dipole transitions.…”

Section: Results Of the 140 Ce(p P γ) Experimentsmentioning

confidence: 99%

Study of the isospin character of 1^-states using hadronic probes at intermediate energies

Derya

Endres

Harakeh

et al. 2015

EPJ Web of Conferences

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Abstract. The complementary (γ, γ ) and (α, α γ) reactions were used to study the isospin properties of lowlying E1 excitations in the doubly-magic nucleus 48 Ca. In contrast to heavier nuclei, a state-to-state change in isospin character was revealed in 48 Ca and a dominant isoscalar excitation was found which is interpreted as an isoscalar oscillation. Recently, protons at 80 MeV were used as an additional hadronic probe in a p-γ coincidence experiment on 140 Ce for the first time. Results of the experiments on 48 Ca and first results of the 140 Ce will be presented in this contribution.

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Section: Results Of the 140 Ce(p P γ) Experimentsmentioning

confidence: 99%

Study of the isospin character of 1^-states using hadronic probes at intermediate energies

Derya

Endres

Harakeh

et al. 2015

EPJ Web of Conferences

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“…For computational feasibility the authors of Refs. [Lov81,Lov85] represent the free t matrix by a local, energy-independent coordinate space interaction of the following form…”

Section: The Effective Interactionmentioning

confidence: 99%

“…The effective interaction [Lov81,Lov85] used in this work to calculate proton scattering cross sections is based upon the free nucleon-nucleon t matrix. It is very intuitive to use the free nucleon-nucleon t matrix -which is closely related to the nucleon-nucleon scattering amplitudes [Jac70] -as an effective interaction between the incident nucleon and the target nucleus.…”

Section: The Effective Interactionmentioning

confidence: 99%

“…5.6 give a reasonable description to the experimental one obtained from phase-shift analysis. Several other constraints were applied to the interaction which are motivated by the one-pion-exchange potential [Lov81].…”

Section: The Effective Interactionmentioning

confidence: 99%

“…Therefore in the present work the microscopic effective nucleonnucleus interaction of Refs. [Lov81,Lov85] were used while the nuclear structure input is provided by the QPM. The interaction had success in describing the proton scattering cross sections of low-lying states in different mass and energy regions.…”

Section: Proton Scatteringmentioning

confidence: 99%

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The Two-Photon Decay of the 11-/2 Isomer of 137Ba and Mixed-Symmetry States of 92,94Zr and 94Mo

Walz¹

2016

Springer Theses

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The first part of this thesis covers the two-photon decay of the 11 2 − isomer in 137 Ba. Clear evidence of this exotic decay mode is found, which opens up the possibility to use the twophoton decay probability as a general tool to investigate the structure of atomic nuclei. Details on the experiment are given, and the major challenges to successfully perform this difficult experiment are outlined. The two-photon decay experiment was conducted with the new LaBr 3 -detector ball which was setup from scratch in the framework of this thesis. The properties and performance of this powerful detector system -consisting of 18 large LaBr 3 -detectors -are discussed.Furthermore, proton scattering at 200 MeV has been performed on the nuclei 92,94 Zr, 94,96 Mo and 70 Zn. The measured cross sections are compared to calculations in the framework of the Quasi-Particle Phonon Model (QPM). Conclusions about the validity of the QPM results are drawn. A comparison of the excitation cross sections of the 2 + 1 states and the one-phonon quadrupole states with mixed neutron and proton symmetry (2 + ms ) allows to prove the special character of the 2 + ms states independently of electromagnetic transition strengths. The possible existence of 3 − and 4 + states with mixed proton and neutron symmetry is discussed. Furthermore the origin of collectivity of low-lying states in spherical nuclei is investigated in the QPM. Zusammenfassung

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Nucleon Charge-Exchange Reactions at Intermediate Energy

Alford

Spicer²

2002

Advances in Nuclear Physics

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Effective nucleon-nucleon interaction for scattering at intermediate energies

Cited by 419 publications

References 36 publications

Study of the isospin character of 1^-states using hadronic probes at intermediate energies

Study of the isospin character of 1^-states using hadronic probes at intermediate energies

The Two-Photon Decay of the 11-/2 Isomer of 137Ba and Mixed-Symmetry States of 92,94Zr and 94Mo

Nucleon Charge-Exchange Reactions at Intermediate Energy

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Effective nucleon-nucleon interaction for scattering at intermediate energies

Cited by 419 publications

References 36 publications

Study of the isospin character of 1-states using hadronic probes at intermediate energies

Study of the isospin character of 1-states using hadronic probes at intermediate energies

The Two-Photon Decay of the 11-/2 Isomer of 137Ba and Mixed-Symmetry States of 92,94Zr and 94Mo

Nucleon Charge-Exchange Reactions at Intermediate Energy

Contact Info

Product

Resources

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Study of the isospin character of 1^-states using hadronic probes at intermediate energies

Study of the isospin character of 1^-states using hadronic probes at intermediate energies