| Issue |
EPJ Web Conf.
Volume 291, 2024
MESON 2023 – 17th International Workshop on Meson Physics
|
|
|---|---|---|
| Article Number | 04004 | |
| Number of page(s) | 4 | |
| Section | Mesons in Matter | |
| DOI | https://doi.org/10.1051/epjconf/202429104004 | |
| Published online | 16 February 2024 | |
https://doi.org/10.1051/epjconf/202429104004
Studies of π−-12C reactions at 0.7GeV/c with the HADES spectrometer
Laboratoire de Physique des 2 infinis Irène Joliot-Curie, Université Paris-Saclay, CNRS-IN2P3, F-91405 Orsay, France
* e-mail: beatrice.ramstein@ijclab.in2p3.fr
Published online: 16 February 2024
Abstract. The HADES collaboration has recently studied the π− + C reaction at 0.685 GeV/c, using the GSI pion beam. This provides a first insight in the pion-nucleus dynamics in the energy range above the Δ(1232) resonance, which has been very poorly studied and is relevant for the study of heavy-ion collisions in the few GeV range. Measurements of π±, p, d and t were provided in various exit channels (inclusive, pπ−, pπ+, pp, π+π−, pπ−π+…,) and compared to predictions of the INCL++ cascade and of transport models (SMASH, RQMD.RMF, GIBUU). The results allow to test selectively the capacity ofsuch models to describe the various mechanisms (quasi-elastic, multipion production, rescatterings and pion absoprtion). The sensitivity of the data measured in the quasi-elastic channel to short range correlations is also investigated.
© The Authors, published by EDP Sciences, 2024
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