Breakup of oxygen nucleus on four doubly charged fragments in 16O+p interactions at incident momentum of 3.25 GeV/c per nucleon

Author:

Olimov Kosim1,Gulamov Kadyr G.1,Olimov Alisher K.1,Olimov Khusniddin K.12

Affiliation:

1. Physical-Technical Institute of the Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan

2. National University of Science and Technology, MISIS (NUST MISIS), Almalyk Branch, Almalyk, Uzbekistan

Abstract

The new experimental data on breakup of oxygen-16 nucleus on four doubly charged ([Formula: see text]) fragments in [Formula: see text]O[Formula: see text] interactions at 3.25 GeV/[Formula: see text] per nucleon are presented. The number of such interaction events (with the formation of four doubly charged fragments) with simultaneous production of [Formula: see text] with no recoil proton has proved to be equal to the number of events with simultaneous production of [Formula: see text] as well as [Formula: see text] in events with a recoil proton. For the first time, the experimental cross-section of the diffractive dissociation of the oxygen-16 nucleus on four [Formula: see text]-particles in [Formula: see text]O[Formula: see text] interactions at 3.25 GeV/[Formula: see text] per nucleon has been determined to be [Formula: see text] (diffr.)[Formula: see text] mb. The temperature of the diffractive breakup of oxygen nucleus on four [Formula: see text]-particles has been calculated to be [Formula: see text] MeV within the framework of the statistical model of fast fragmentation of Feshbach–Huang–Goldhaber. Using the obtained slope of the integral distribution on the square of a transverse momentum of a recoil proton in the laboratory system for the events of diffractive breakup of an oxygen nucleus on four [Formula: see text]-particles, we have calculated the radius of a target proton to be [Formula: see text] fm, which agrees very well with the corresponding radius, [Formula: see text] fm, determined a few years ago in the Jefferson Lab Proton Radius (PRad) experiment.

Publisher

World Scientific Pub Co Pte Ltd

Subject

General Physics and Astronomy,Nuclear and High Energy Physics

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