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Pregled bibliografske jedinice broj: 15461

Identification of baryon resonances in central heavy-ion collisions at energies between 1 and 2 AGeV


Eskef, M.; Pelte, D.; Goebels, G.; Häfele, E.; Herrmann, N.; Korolija, Milorad; Leifels, Y.; Merlitz, H.; Mohren, S.; Stockmeier, M.R. et al.
Identification of baryon resonances in central heavy-ion collisions at energies between 1 and 2 AGeV // European physical journal A : hadrons and nuclei, 3 (1998), 4; 335-349 (međunarodna recenzija, članak, znanstveni)


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Naslov
Identification of baryon resonances in central heavy-ion collisions at energies between 1 and 2 AGeV

Autori
Eskef, M. ; Pelte, D. ; Goebels, G. ; Häfele, E. ; Herrmann, N. ; Korolija, Milorad ; Leifels, Y. ; Merlitz, H. ; Mohren, S. ; Stockmeier, M.R. ; Trzaska, M. ; Alard, J.P. ; Andronic, A. ; Averbeck, R. ; Basrak, Zoran ; Bastid, N. ; Belyaev, I. ; Best, D. ; Buta, A. ; Čaplar, Roman ; Cindro, Nikola ; Coffin, J.P. ; Crochet, P. ; Dupieux, P. ; Dželalija, Mile ; Fraysse, L. ; Fodor, Z. ; Genoux Lubain, A. ; Gobbi, A. ; Hildenbrand, K.D., Hong, B. ; Jundt, F. ; Keckemeti, J. ; Kirejczyk, M. ; Kotte, R. ; Kutsche, R. ; Lebedev, A. ; Manko, V. ; Mösner, J. ; Moisa, D. ; Neubert, W. ; Petrovici, M. ; Pinkenburg, C. ; Plettner, C. ; Pras, P. ; Rami, F. ; Ramillien, V. ; Reisdorf, W. ; Ritman, J.L. ; de Schauenburg, B. ; Schüll, D. ; Seres, Z. ; Sikora, B. ; Simion, V. ; Siwek-Wuilczynska, K. ; Smolyankin, V. ; Vasiliev, M.A. ; Wagner, P. ; Wang, G.S., Wisniewski, K. ; Wohlfarth, D. ; Zhilin, A.

Izvornik
European physical journal A : hadrons and nuclei (1434-6001) 3 (1998), 4; 335-349

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
central collisions; baryon resonances; heavy-ion; temperature

Sažetak
The mass distributions of baryon resonances populated in near-central collisions of Au on Au and Ni on Ni are deduced by defolding the p (t) spectra of charged pions by a method which does not depend on a specific resonance shape. In addition the mass distributions of resonances are obtained from the invariant masses of (p. pi(+/-)) pairs. With both methods the deduced mass distributions are shifted by an average value of -60 MeV/c(2) relative to the mass distribution of the free Delta(1232)resonance, the distributions descent almost exponentially towards mass values of 2000 MeV/c(2). The observed differences between (p, pi(-)) and (p, pi(+)) pairs indicate a contribution of isospin I = 1/2 resonances. The attempt to consistently describe the deduced mass distributions and the reconstructed kinetic energy spectra of the resonances leads to new insights about the freeze out conditions, i.e. to rather low temperatures and large expansion velocities.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
00980203
177064

Ustanove
Institut "Ruđer Bošković", Zagreb,
Prirodoslovno-matematički fakultet, Split

Profili:

Avatar Url Nikola Cindro (autor)

Avatar Url Milorad Korolija (autor)

Avatar Url Mile Dželalija (autor)

Avatar Url Zoran Basrak (autor)

Avatar Url Roman Čaplar (autor)

Citiraj ovu publikaciju

Eskef, M.; Pelte, D.; Goebels, G.; Häfele, E.; Herrmann, N.; Korolija, Milorad; Leifels, Y.; Merlitz, H.; Mohren, S.; Stockmeier, M.R. et al.
Identification of baryon resonances in central heavy-ion collisions at energies between 1 and 2 AGeV // European physical journal A : hadrons and nuclei, 3 (1998), 4; 335-349 (međunarodna recenzija, članak, znanstveni)
Eskef, M., Pelte, D., Goebels, G., Häfele, E., Herrmann, N., Korolija, M., Leifels, Y., Merlitz, H., Mohren, S. & Stockmeier, M. (1998) Identification of baryon resonances in central heavy-ion collisions at energies between 1 and 2 AGeV. European physical journal A : hadrons and nuclei, 3 (4), 335-349.
@article{article, year = {1998}, pages = {335-349}, keywords = {central collisions, baryon resonances, heavy-ion, temperature}, journal = {European physical journal A : hadrons and nuclei}, volume = {3}, number = {4}, issn = {1434-6001}, title = {Identification of baryon resonances in central heavy-ion collisions at energies between 1 and 2 AGeV}, keyword = {central collisions, baryon resonances, heavy-ion, temperature} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus





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