Speaker
Description
The facility EXOTIC at the Laboratori Nazionali di Legnaro (LNL, Italy) has been in operation for about 20 years for the production of light weakly-bound Radioactive Ion Beams (RIBs), employing two-body inverse kinematics reactions on a cryogenic gas target (e.g. [1,2] and references therein). The installation of the gamma-ray tracking spectrometer AGATA at LNL provided the unique opportunity to study RIB-induced reactions coupling EXOTIC with AGATA.
In this framework, a new event-by-event tracking system, based on two large area position sensitive MCP detectors, has been installed and a new Bayesian Optimizer software to automatically set and adjust the magnetic fields of the ion-optical elements of EXOTIC has been developed. Three RIBs of 11C, 8Li and 7Be were produced, characterized, delivered to the AGATA focal plane with intensities of about 1-2*105 pps and used in the experimental campaign performed between November 2025-March 2026.
In this contribution, after briefly recalling the characteristics of the EXOTIC facility, the results of the commissioning runs, including the performances of the new tracking system, will be presented. Moreover, an overview of the “near-line” results obtained during the three experiments of the EXOTIC-AGATA campaign will be given.
Perspectives on the future use of EXOTIC, possibly with the installation of the SARDA segmented Si telescope array [3] will also be discussed.
[1] M. Mazzocco et al., Nucl. Instr. and Meth B 317, 223, (2013).
[2] S. Pigliapoco et al., Nucl. Phys. A 1057, 123039 (2025).
[3] A. Togni et al, Nucl. Instr. and Meth. A (to be submitted).