Femtoscopy of nonidentical particle pairs has been instrumental for precision measurements of both two particle sources and the final-state interactions in high-energy elementary and heavy-ion collisions. The majority of measurements assessing the source properties are based on identical particle pairs, providing direct access to the characteristics of the single-particle source. The work in this paper demonstrates, via femtoscopy mea surements of charged pion-deuteron pairs in Pb-Pb collisions at √ sNN = 5.02 TeV, the feasibility of accessing the characteristics of the single-particle femtoscopic source by using particle pairs with large mass differences such as pions and deuterons. The first experimental results of the measurement of deuteron source sizes in ultrarelativistic heavy-ion collisions are presented. The results show good agreement with the trend derived from other charged hadrons such as pions, kaons, and protons as a function of transverse mass, indicating similar source properties.

Accessing the deuteron source with pion-deuteron femtoscopy in Pb-Pb collisions at √s_NN = 5.02 TeV / Alice, C., Acharya, S., Agarwal, A., Aglieri Rinella, G., Aglietta, L., Agnello, M., Agrawal, N., Ahammed, Z., Ahmad, S., Ahn, S.U., Ahuja, I., Akindinov, A., Akishina, V., Al-Turany, M., Aleksandrov, D., Alessandro, B., Alfanda, H.M., Alfaro Molina, R., Ali, B., Alici, A., et al.. - In: PHYSICAL REVIEW C. - ISSN 2469-9985. - ELETTRONICO. - 112/2025:6(2025), pp. 064003.1-064003.16. [10.1103/mrp4-z4hh]

Accessing the deuteron source with pion-deuteron femtoscopy in Pb-Pb collisions at √s_NN = 5.02 TeV

Camerini, P.;Cannito, S.;Cattaruzzi, S.;Contin, G.;De Martin, C.;Fragiacomo, E.;Luparello, G.;Margagliotti, G. V.;Piano, S.;Rui, R.;Urioni, M.;Villani, A.;Zaccolo, V.;
2025-01-01

Abstract

Femtoscopy of nonidentical particle pairs has been instrumental for precision measurements of both two particle sources and the final-state interactions in high-energy elementary and heavy-ion collisions. The majority of measurements assessing the source properties are based on identical particle pairs, providing direct access to the characteristics of the single-particle source. The work in this paper demonstrates, via femtoscopy mea surements of charged pion-deuteron pairs in Pb-Pb collisions at √ sNN = 5.02 TeV, the feasibility of accessing the characteristics of the single-particle femtoscopic source by using particle pairs with large mass differences such as pions and deuterons. The first experimental results of the measurement of deuteron source sizes in ultrarelativistic heavy-ion collisions are presented. The results show good agreement with the trend derived from other charged hadrons such as pions, kaons, and protons as a function of transverse mass, indicating similar source properties.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/3132919
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