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2006•Physics of Atomic NucleiRequires access

First observation of nuclear rainbow scattering in 16O + 40Ca system

Alla S. Demyanova, S. E. Belov, Yu.A. Glukhov, Sergey A. Goncharov, A. Izadpanakh, S. V. Khlebnikov, Vladimir Anatolyevich Maslov, Yu. G. Sobolev, A. A. Ogloblin, Yu. É. Penionzhkevich, Wladyslaw Henryk Trzaska, A. Yu. Tultsev, G. P. Tyurin

Open publisher page 3 citations

Abstract

Measurements of the differential cross section of the 16 O + 40 Ca elastic scattering at the 16 O energy 214 MeV were performed. For the first time, nuclear rainbow scattering in the 16 O + 40 Ca system was observed. The analysis shows that the 45° minimum in the angular distribution could be identified as an Airy supernumerary one, probably, of the third order. It corresponds to a distance of closest approach of the colliding nuclei less than 3 fm.

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What this paper is about

Measurements of the differential cross section of the 16 O + 40 Ca elastic scattering at the 16 O energy 214 MeV were performed. For the first time, nuclear rainbow scattering in the 16 O + 40 Ca system was observed. The analysis shows that the 45° minimum in the angular distribution could be identified as an Airy supernumerary one, probably, of the third order. It corresponds to a distance of closest approach of the colliding nuclei less than 3 fm.

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Available abstract

Measurements of the differential cross section of the 16 O + 40 Ca elastic scattering at the 16 O energy 214 MeV were performed. For the first time, nuclear rainbow scattering in the 16 O + 40 Ca system was observed. The analysis shows that the 45° minimum in the angular distribution could be identified as an Airy supernumerary one, probably, of the third order. It corresponds to a distance of closest approach of the colliding nuclei less than 3 fm.

Key concepts: Rainbow, Physics, Scattering, Scattering cross-section, Cross section (physics), Nuclear cross section, Elastic scattering, Scattering length

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