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Reconstruction of γγ mass spectra in Ag+Ag collisions at 1.23 and 1.58 AGeV beam energies with ECal detector of the HADES experiment

Shabanov, A. ; Prozorov, A. ; Chudoba, P. ; Galatyuk, T. ; Guber, F. ; Gumberidze, M. ; Ivashkin, A. ; Kugler, A. ; Lalik, R. ; Morozov, S. ; Pechenov, V. ; Petukhov, O. ; Pietraszko, J. ; Rathod, N. ; Reshetin, A. ; Rost, A. ; Svoboda, O. ; Salabura, P. ; Tlusty, P. (2020)
Reconstruction of γγ mass spectra in Ag+Ag collisions at 1.23 and 1.58 AGeV beam energies with ECal detector of the HADES experiment.
In: Journal of Physics: Conference Series, 1690
doi: 10.1088/1742-6596/1690/1/012133
Artikel, Bibliographie

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Kurzbeschreibung (Abstract)

HADES is a high acceptance di-electron spectrometer operating at SIS18, GSI, Germany aimed at study of hadron-proton, hadron-nucleus and nucleus-nucleus collisions at 1-4 AGeV beam energies. The new electromagnetic calorimeter (ECal) was added to the experimental setup in order to measure γ-quanta and thus extend its capabilities in study of π⁰-, η-mesons, production of neutral hyperons and to improve electron-to-hadron separation for the partcles with momenta p > 300 MeV/c. The first data taking with the ECal detector was carried out in March 2019 when Ag+Ag collisions at 1.23 AGeV and 1.58 AGeV beam energies were studied. The methods of reconstruction of the γγ invariant mass spectra from these data are discussed. The analysis includes several steps: calibration of each module of the ECal detector, identification of γ-quanta, reconstruction of γγ invariant mass spectra and subtraction of combinatorial background. The obtained results show experimental capabilities of the new detector and, after efficiency corrections, will allow to normalize yields of other particles.

Typ des Eintrags: Artikel
Erschienen: 2020
Autor(en): Shabanov, A. ; Prozorov, A. ; Chudoba, P. ; Galatyuk, T. ; Guber, F. ; Gumberidze, M. ; Ivashkin, A. ; Kugler, A. ; Lalik, R. ; Morozov, S. ; Pechenov, V. ; Petukhov, O. ; Pietraszko, J. ; Rathod, N. ; Reshetin, A. ; Rost, A. ; Svoboda, O. ; Salabura, P. ; Tlusty, P.
Art des Eintrags: Bibliographie
Titel: Reconstruction of γγ mass spectra in Ag+Ag collisions at 1.23 and 1.58 AGeV beam energies with ECal detector of the HADES experiment
Sprache: Englisch
Publikationsjahr: 16 Dezember 2020
Ort: Bristol
Verlag: IOP Publishing
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Journal of Physics: Conference Series
Jahrgang/Volume einer Zeitschrift: 1690
Kollation: 5 Seiten
DOI: 10.1088/1742-6596/1690/1/012133
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Kurzbeschreibung (Abstract):

HADES is a high acceptance di-electron spectrometer operating at SIS18, GSI, Germany aimed at study of hadron-proton, hadron-nucleus and nucleus-nucleus collisions at 1-4 AGeV beam energies. The new electromagnetic calorimeter (ECal) was added to the experimental setup in order to measure γ-quanta and thus extend its capabilities in study of π⁰-, η-mesons, production of neutral hyperons and to improve electron-to-hadron separation for the partcles with momenta p > 300 MeV/c. The first data taking with the ECal detector was carried out in March 2019 when Ag+Ag collisions at 1.23 AGeV and 1.58 AGeV beam energies were studied. The methods of reconstruction of the γγ invariant mass spectra from these data are discussed. The analysis includes several steps: calibration of each module of the ECal detector, identification of γ-quanta, reconstruction of γγ invariant mass spectra and subtraction of combinatorial background. The obtained results show experimental capabilities of the new detector and, after efficiency corrections, will allow to normalize yields of other particles.

ID-Nummer: Artikel-ID: 012133
Zusätzliche Informationen:

5th International Conference on Particle Physics and Astrophysics will be held at MEPhI 5-9 October 2020, Moscow, Russian Federation; Erstveröffentlichung

Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 530 Physik
Fachbereich(e)/-gebiet(e): 05 Fachbereich Physik
05 Fachbereich Physik > Institut für Kernphysik
Hinterlegungsdatum: 02 Aug 2024 07:06
Letzte Änderung: 02 Aug 2024 07:06
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