Effects of imaginary potentials in a three-body deuteron-nucleus scattering model

1978 ◽  
Vol 18 (4) ◽  
pp. 1577-1581 ◽  
Author(s):  
N. Austern ◽  
J. P. Farrell ◽  
K. Kabir ◽  
C. M. Vincent
Keyword(s):  
Scattering Model ◽  
Nucleus Scattering ◽  
Three Body

scholarly journals Analysis of near-separatrix motion in planetary systems

2007 ◽  
Vol 3 (S249) ◽  
pp. 491-498
Author(s):  
Su Wang ◽  
Ji-Lin Zhou
Keyword(s):  
Planetary Systems ◽  
Scattering Model ◽  
High Occurrence ◽  
Mean Motion ◽  
Accretion Process ◽  
Three Body ◽  
Mean Motion Resonance

AbstractNear-separatrix motion is a kind of motion of two planets with their relative apsidal longitude near the boundary between libration and circulation. Observed multiple planetary systems seem to favor near-separatrix motions between neighboring planets. In this report, we study the probability that near-separatrix motion occurs with both the linear secular system and full three-body systems. We find that generally the ratio of near-separatrix motion is small unless the eccentricities of the two planets differ from each other by an order of magintude, or they are in mean motion resonance. To explore the dynamical procedures causing the near-separatrix motion, we suppose a modification to scattering model by adding a mass-accretion process during the protoplanet growth. Statistics on the modified scattering model indicate that the probability of the final planet pairs in near-separatrix motion is high (∼ 85%), which may explain the high occurrence of near-separatrix motions in observed planetary systems.

scholarly journals Low-energy neutron scattering on light nuclei and $^{19}$B as a $^{17}$B-$n$-$n$ three-body system in the unitary limit

2020 ◽  
Author(s):  
Jaume Carbonell ◽  
Emiko Hiyama ◽  
Rimantas Lazauskas ◽  
Francisco Miguel Marqués
Keyword(s):  
Scattering Length ◽  
Nucleon Nucleon ◽  
Light Nuclei ◽  
Unitary Limit ◽  
Body System ◽  
Resonant States ◽  
Pauli Repulsion ◽  
Nucleus Scattering ◽  
Nucleon Nucleon Interaction ◽  
Three Body

We consider the evolution of the neutron-nucleus scattering length for the lightest nuclei. We show that, when increasing the number of neutrons in the target nucleus, the strong Pauli repulsion is weakened and the balance with the attractive nucleon-nucleon interaction results into a resonant virtual state in ^{18}18B. We describe ^{19}19B in terms of a ^{17}17B-nn-nn three-body system where the two-body subsystems ^{17}17B-nn and nn-nn are unbound (virtual) states close to the unitary limit. The energy of ^{19}19B ground state is well reproduced and two low-lying resonances are predicted. Their eventual link with the Efimov physics is discussed. This model can be extended to describe the recently discovered resonant states in ^{20,21}20,21B.

Three-body scattering model: diatomic homonuclear molecule and atom in collinear configuration

2017 ◽  
Author(s):  
S. I. Vinitsky ◽  
A. A. Gusev ◽  
O. Chuluunbaatar ◽  
V. L. Derbov ◽  
P. M. Krassovitskiy ◽  
...  
Keyword(s):  
Scattering Model ◽  
Three Body ◽  
Homonuclear Molecule

scholarly journals Microscopic optical potential with two and three body forces for nucleon–nucleus scattering

2014 ◽  
Vol 66 ◽  
pp. 02038
Author(s):  
Y.K. Gambhir ◽  
M. Gupta ◽  
A. Bhagwat ◽  
W. Haider ◽  
Sayed Rafi ◽  
...  
Keyword(s):  
Optical Potential ◽  
Body Forces ◽  
Nucleus Scattering ◽  
Three Body ◽  
Microscopic Optical Potential

Three-body deuteron-nucleus scattering with extra resonance channels

1991 ◽  
Vol 104 (3) ◽  
pp. 299-324 ◽  
Author(s):  
Yu. A. Kuperin ◽  
Yu. B. Melnikov ◽  
A. K. Motovilov
Keyword(s):  
Nucleus Scattering ◽  
Three Body

scholarly journals Impact of three-body forces on elastic nucleon-nucleus scattering observables

2021 ◽  
Vol 103 (2) ◽  
Author(s):  
Matteo Vorabbi ◽  
Michael Gennari ◽  
Paolo Finelli ◽  
Carlotta Giusti ◽  
Petr Navrátil ◽  
...  
Keyword(s):  
Body Forces ◽  
Nucleus Scattering ◽  
Three Body
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