Evidence for the First Excited State of H 7
Artikel i vetenskaplig tidskrift, 2020

The H7 system was populated in the H2(He8,He3)H7 reaction with a 26 AMeV He8 beam. The H7 missing mass energy spectrum, the H3 energy and angular distributions in the H7 decay frame were reconstructed. The H7 missing mass spectrum shows a peak, which can be interpreted either as unresolved 5/2+ and 3/2+ doublet or one of these states at 6.5(5) MeV. The data also provide indications of the 1/2+ ground state of H7 located at 1.8(5) MeV with quite a low population cross section of ∼25 μb/sr within angular range θc.m.≃(17°-27°).

Författare

A.A. Bezbakh

Joint Institute for Nuclear Research (JINR)

Slezska univerzita v Opave

V. Chudoba

Joint Institute for Nuclear Research (JINR)

Slezska univerzita v Opave

S. A. Krupko

Joint Institute for Nuclear Research (JINR)

National Research Centre "Kurchatov Institute"

S. G. Belogurov

National Research Nuclear University

Joint Institute for Nuclear Research (JINR)

D. Biare

Joint Institute for Nuclear Research (JINR)

A. S. Fomichev

Joint Institute for Nuclear Research (JINR)

Dubna International University

E. M. Gazeeva

Joint Institute for Nuclear Research (JINR)

A. V. Gorshkov

Joint Institute for Nuclear Research (JINR)

L Grigorenko

Joint Institute for Nuclear Research (JINR)

National Research Centre "Kurchatov Institute"

National Research Nuclear University

G. Kaminski

Uniwersytet Warszawski

Joint Institute for Nuclear Research (JINR)

O. A. Kiselev

GSI Helmholtzzentrum für Schwerionenforschung

D. Kostyleva

Justus Liebig University Giessen

GSI Helmholtzzentrum für Schwerionenforschung

M. Yu Kozlov

Joint Institute for Nuclear Research (JINR)

B. Mauyey

Joint Institute for Nuclear Research (JINR)

Institute of Nuclear Physics, National Nuclear Center of the Republic of Kazakhstan

I. G. Mukha

GSI Helmholtzzentrum für Schwerionenforschung

I. A. Muzalevskii

Joint Institute for Nuclear Research (JINR)

Slezska univerzita v Opave

E.Y. Nikolskii

Joint Institute for Nuclear Research (JINR)

National Research Centre "Kurchatov Institute"

Y. L. Parfenova

Joint Institute for Nuclear Research (JINR)

W. Piatek

Joint Institute for Nuclear Research (JINR)

Uniwersytet Warszawski

A. M. Quynh

Institute for Nuclear Research Vietnam

Joint Institute for Nuclear Research (JINR)

V. N. Schetinin

Joint Institute for Nuclear Research (JINR)

A. Serikov

Joint Institute for Nuclear Research (JINR)

S. I. Sidorchuk

Joint Institute for Nuclear Research (JINR)

P.G. Sharov

Joint Institute for Nuclear Research (JINR)

Slezska univerzita v Opave

R. S. Slepnev

Joint Institute for Nuclear Research (JINR)

S. V. Stepantsov

Joint Institute for Nuclear Research (JINR)

A. Swiercz

Akademia Gorniczo-Hutnicza im. Stanislawa Staszica w Krakowie

Joint Institute for Nuclear Research (JINR)

P. Szymkiewicz

Joint Institute for Nuclear Research (JINR)

Akademia Gorniczo-Hutnicza im. Stanislawa Staszica w Krakowie

G. M. Ter-Akopian

Joint Institute for Nuclear Research (JINR)

Dubna International University

R. Wolski

Joint Institute for Nuclear Research (JINR)

Polish Academy of Sciences

B. Zalewski

Uniwersytet Warszawski

Joint Institute for Nuclear Research (JINR)

Mikhail Zhukov

Chalmers, Fysik

Physical Review Letters

0031-9007 (ISSN) 1079-7114 (eISSN)

Vol. 124 2 022502

Ämneskategorier

Acceleratorfysik och instrumentering

Subatomär fysik

Astronomi, astrofysik och kosmologi

DOI

10.1103/PhysRevLett.124.022502

Mer information

Senast uppdaterat

2020-02-11