Condensed Matter (Nov 2021)

Silicon Drift Detectors’ Spectroscopic Response during the SIDDHARTA-2 Kaonic Helium Run at the DAΦNE Collider

  • Marco Miliucci,
  • Massimiliano Bazzi,
  • Damir Bosnar,
  • Mario Bragadireanu,
  • Marco Carminati,
  • Michael Cargnelli,
  • Alberto Clozza,
  • Catalina Curceanu,
  • Griseld Deda,
  • Luca De Paolis,
  • Raffaele Del Grande,
  • Carlo Fiorini,
  • Carlo Guaraldo,
  • Mihail Iliescu,
  • Masahiko Iwasaki,
  • Pietro King,
  • Paolo Levi Sandri,
  • Johann Marton,
  • Paweł Moskal,
  • Fabrizio Napolitano,
  • Szymon Niedźwiecki,
  • Kristian Piscicchia,
  • Alessandro Scordo,
  • Francesco Sgaramella,
  • Hexi Shi,
  • Michał Silarski,
  • Diana Sirghi,
  • Florin Sirghi,
  • Magdalena Skurzok,
  • Antonio Spallone,
  • Marlene Tüchler,
  • Oton Vazquez Doce,
  • Johann Zmeskal

DOI
https://doi.org/10.3390/condmat6040047
Journal volume & issue
Vol. 6, no. 4
p. 47

Abstract

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A large-area silicon drift detectors (SDDs) system has been developed by the SIDDHARTA-2 collaboration for high precision light kaonic atom X-ray spectroscopy at the DAΦNE collider of Istituto Nazionale di Fisica Nucleare—Laboratori Nazionali di Frascati. The SDDs’ geometry and electric field configuration, combined with their read-out electronics, make these devices suitable for performing high precision light kaonic atom spectroscopy measurements in the background of the DAΦNE collider. This work presents the spectroscopic response of the SDDs system during the first exotic atoms run of SIDDHARTA-2 with kaonic helium, a preliminary to the kaonic deuterium data taking campaign. The SIDDHARTA-2 spectroscopic system has good energy resolution and a 2 μs timing window which rejects the asynchronous events, scaling the background by a factor of 10−5. The results obtained for the first exotic atoms run of SIDDHARTA-2 prove this system to be ready to perform the challenging kaonic deuterium measurement.

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