SIDDHARTA-2 apparatus for kaonic atoms research on the DAΦNE collider

F. Sirghi, M. Iliescu, L. Abbene, C. Amsler, M. Bazzi, G. Borghi, D. Bosnar, M. Bragadireanu, A. Buttacavoli, M. Carminati, M. Cargnelli, A. Clozza, G. Deda, L. De Paolis, R. Del Grande, K. Dulski, L. Fabbietti, C. Fiorini, I. Friščić, C. GuaraldoM. Iwasaki, A. Khreptak, S. Manti, J. Marton, P. Moskal, F. Napolitano, S. Niedźwiecki, H. Ohnishi, K. Piscicchia, F. Principato, A. Scordo, F. Sgaramella, D. Sirghi, M. Skurzok, M. Silarski, A. Spallone, K. Toho, L. Toscano, M. Tüchler, O. Vazquez Doce, J. Zmeskal, C. Curceanu

Research output: Contribution to journalArticlepeer-review

Abstract

SIDDHARTA-2 is a state-of-the-art experiment designed to perform measurements of kaonic atoms, which are exotic atoms composed of a negatively charged kaon orbiting nucleus. These atoms constitute an exceptional probe for investigating the strong interaction in the non-perturbative regime involving strangeness. The experiment is installed at the DAΦNE electron-positron collider of the INFN National Laboratory of Frascati (INFN-LNF) in Italy, aiming to perform the first-ever measurement of the 2p → 1s X-ray transitions in kaonic Deuterium, a crucial step towards determining the isospin-dependent antikaon-nucleon scattering lengths. Based on the experience gained with the previous SIDDHARTA experiment, which performed the most precise measurement of the kaonic Hydrogen 2p → 1s X-ray transitions, the present apparatus has been upgraded with innovative X-Ray Silicon Drift Detectors (SDDs), distributed around a cryogenic gaseous target placed in a vacuum chamber at a short distance above the interaction region of the collider, two new veto systems and a charged kaon detector. The current work presents a comprehensive description of the SIDDHARTA-2 setup, including the optimization of its various components during the commissioning phase of the collider.

Original languageEnglish
Article numberP11006
JournalJournal of Instrumentation
Volume19
Issue number11
DOIs
StatePublished - 1 Nov 2024
Externally publishedYes

Keywords

  • Detector control systems (detector and experiment monitoring and slow-control systems, architecture, hardware, algorithms, databases)
  • Instrumentation for particle accelerators and storage rings - low energy (linear accelerators, cyclotrons, electrostatic accelerators)
  • Photon detectors for UV, visible and IR photons (solid-state) (PIN diodes, APDs, Si-PMTs, G-APDs, CCDs, EBCCDs, EMCCDs, CMOS imagers, etc)
  • X-ray detectors

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