AGATA Collaboration Meeting 2022

Contribution List

2. Report on AGATA@GANIL experiment E810_20 (ex-E766) "Identification of exotic reaction channels in $^{238}$U+$^{238}$U”

Dieter Ackermann (GANIL)

The aim of the experiment was to produce and identify neutron-rich nuclei in the uranium region by multi-Nucleon Transfer (MNT) aiming at a particle identification in atomic mass $A$ by VAMOS and in atomic charge $Z$ by x-ray detection ($L$ and $K$ radiation) in ID-fix, a set of three Low Energy Photon Spectrometers (LEPS), in the reaction $^{238}$U+$^{238}$U at above-Coulomb barrier energies....

3. Report on the AGATA experiment E806

Yung Hee KIM (Center for Exotic Nuclear Studies, Institute of Basic Science)

The evolution of low-lying nuclear states of the neutron-rich nuclides near N=126 magicity in the south of 208Pb is important for studying the evolution of nuclear orbitals, interactions and understanding constraints to astrophysical r-process predictions. However, only limited knowledge of the excited states of these nuclei was available, owing to the difficulty in producing these nuclei...

5. Report on the AGATA@GANIL experiment E664

Desislava Kalaydjieva

The E664 experiment at GANIL aimed to investigate the nuclear structure in the Z~50 region through a measurement of lifetimes of excited states in $^{106,108}$Sn using the Recoil Distance Doppler Shift (RDDS) method. The nuclei of interest were populated via multi-nucleon transfer reactions between a 770-MeV $^{106}$Cd beam and a $^{92}$Mo target. The emitted gamma rays were detected by the...

1. Report on the AGATA@GANIL experiment E793S

Charlie Paxman (University of Surrey)

The region around the magic numbers $N=28$ and $Z=20$ is of great interest in nuclear structure physics. Moving away from the doubly-magic isotope $^{48}$Ca, in the neutron-rich direction there is evidence of an emergent shell gap at $N=34$ [1], and in the proton-deficient direction, the onset of shape deformation suggests a weakening of the $N=28$ magic number [2]. The $^{47}$K(d,p)$^{48}$K...

4. Title: Structure of 83As, 85As and 87As: from semi-magicity to gamma-softness

Kseniia Rezynkina (Istituto Nazionale di Fisica Nucleare)

The neutron-rich nuclei beyond Z=28 and N=50 shell closures present a rich variety of collective effects, such as shape coexistence found in 78Ni [1,2]. In germanium isotopes, an onset of triaxial deformation with filling of the s1/2 and d5/2 neutron orbitals has been reported [3-5]. One proton heavier, the arsenic (Z=33) nuclei are expected to manifest a similar structure, with the onset of...