Photoabsorption on He4 with a realistic nuclear force

Doron Gazit; Sonia Bacca; Nir Barnea; Winfried Leidemann; Giuseppina Orlandini

doi:10.1103/PhysRevLett.96.112301

Photoabsorption on He4 with a realistic nuclear force

Doron Gazit^*
, Sonia Bacca
, Nir Barnea
, Winfried Leidemann
, Giuseppina Orlandini

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

92 Scopus citations

Abstract

The He4 total photoabsorption cross section is calculated with the realistic nucleon-nucleon potential Argonne V18 and the three-nucleon force (3NF) Urbana IX. Final state interaction is included rigorously via the Lorentz integral transform method. A rather pronounced giant resonance with peak cross sections of 3.0 (3.2) mb is obtained with (without) the 3NF. Above 50 MeV strong 3NF effects, up to 35%, are present. Good agreement with experiment is found close to threshold. A comparison in the giant resonance region is inconclusive, since data do not show a unique picture.

Original language	English
Article number	112301
Journal	Physical Review Letters
Volume	96
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.96.112301
State	Published - 2006

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10.1103/PhysRevLett.96.112301

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abstract = "The He4 total photoabsorption cross section is calculated with the realistic nucleon-nucleon potential Argonne V18 and the three-nucleon force (3NF) Urbana IX. Final state interaction is included rigorously via the Lorentz integral transform method. A rather pronounced giant resonance with peak cross sections of 3.0 (3.2) mb is obtained with (without) the 3NF. Above 50 MeV strong 3NF effects, up to 35\%, are present. Good agreement with experiment is found close to threshold. A comparison in the giant resonance region is inconclusive, since data do not show a unique picture.",

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T1 - Photoabsorption on He4 with a realistic nuclear force

AU - Gazit, Doron

AU - Bacca, Sonia

AU - Barnea, Nir

AU - Leidemann, Winfried

AU - Orlandini, Giuseppina

PY - 2006

Y1 - 2006

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AB - The He4 total photoabsorption cross section is calculated with the realistic nucleon-nucleon potential Argonne V18 and the three-nucleon force (3NF) Urbana IX. Final state interaction is included rigorously via the Lorentz integral transform method. A rather pronounced giant resonance with peak cross sections of 3.0 (3.2) mb is obtained with (without) the 3NF. Above 50 MeV strong 3NF effects, up to 35%, are present. Good agreement with experiment is found close to threshold. A comparison in the giant resonance region is inconclusive, since data do not show a unique picture.

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Photoabsorption on He4 with a realistic nuclear force

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