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ARPI, l'Archivio della Ricerca dell'Universita di Pisa, raccoglie le pubblicazioni e la documentazione sui prodotti della ricerca scientifica del personale dell'ateneo. L'archivio è gestito da IRIS, il sistema di gestione integrata dei dati della ricerca del CINECA.
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alpha+d -> 6Li + gamma astrophysical S factor and its implications for Big Bang nucleosynthesis

The alpha+d->6Li+gamma radiative capture is studied in order to predict the Li6 primordial abundance. Within a two-body framework, the alpha particle and the deuteron are considered the structureless constituents of Li6. Five alpha+d potentials are used to solve the two-body problem: four...

How well does the chiral expansion converge in nuclear and neutron matter

The equations of state of nuclear and neutron matter (and, more generally, neutron-rich matter) play a fundamental role towards the understanding of a broad spectrum of systems, ranging from the skins of neutron-rich nuclei to the structure of compact stars. After a brief review&#x...

JLab Measurements of the He 3 Form Factors at Large Momentum Transfers

The charge and magnetic form factors, FC and FM, respectively, of He3 are extracted in the kinematic range 25 fm-2<Q2<61 fm-2 from elastic electron scattering by detecting He3 recoil nuclei and scattered electrons in coincidence with the two High Resolution Spectrometers of the&#x...

Benchmark calculation of p- H 3 and n- He 3 scattering

p-H3 and n-He3 scattering in the energy range above the n-He3 but below the d-d thresholds is studied by solving the four-nucleon problem with a realistic nucleon-nucleon interaction. Three different methods - Alt, Grassberger, and Sandhas, hyperspherical harmonics, and Faddeev-Yakubovsky - ...

Three-Nucleon Force Effects in p- 3H and n- 3He Scattering

We present a preliminary study of the effect of a three-nucleon force (3NF) in p- 3H and n- 3He scattering at low energies. The used 3NF is derived from effective field theory at next-to-next-to-leading order. The four-nucleon scattering observables are calculated using the Kohn&#x...

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