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Pregled bibliografske jedinice broj: 983807

Wide-acceptance measurement of the K−/K+ ratio from Ni+Ni collisions at 1.91A GeV

(FOPI Collaboration) Piasecki, K.; Herrmann, N.; Averbeck, R.; Andronic, A.; Barret, V.; Basrak, Zoran; Bastid, N.; Benabderrahmane, M. L.; Berger, M.; Buehler, P. et al.
Wide-acceptance measurement of the K−/K+ ratio from Ni+Ni collisions at 1.91A GeV // Physical review. C, 99 (2019), 1; 014904, 9 doi:10.1103/physrevc.99.014904 (međunarodna recenzija, članak, znanstveni)

CROSBI ID: 983807 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Wide-acceptance measurement of the K−/K+ ratio from Ni+Ni collisions at 1.91A GeV

Autori
Piasecki, K. ; Herrmann, N. ; Averbeck, R. ; Andronic, A. ; Barret, V. ; Basrak, Zoran ; Bastid, N. ; Benabderrahmane, M. L. ; Berger, M. ; Buehler, P. ; Cargnelli, M. ; Čaplar, Roman ; Cordier, E. ; Crochet, P. ; Czerwiakowa, O. ; Deppner, I. ; Dupieux, P. ; Dželalija, Mile ; Fabbietti, L. ; Fodor, Z. ; Gasik, P. ; Gašparić, Igor ; Grishkin, Y. ; Hartmann, O. N. ; Hildenbrand, K. D. ; Hong, B. ; Kang, T. I. ; Kecskemeti, J. ; Kim, Y. J. ; Kirejczyk, M. ; Kiš, Mladen ; Koczon, P. ; Korolija, Milorad ; Kotte, R. ; Lebedev, A. ; Leifels, Y. ; Le Fèvre, A. ; Liu, J. L. ; Lopez, X. ; Mangiarotti, A. ; Manko, V. ; Marton, J. ; Matulewicz, T. ; Merschmeyer, M. ; Münzer, R. ; Pelte, D. ; Petrovici, M. ; Rami, F. ; Reischl, A. ; Reisdorf, W. ; Ryu, M. S. ; Schmidt, P. ; Schüttauf, A. ; Seres, Z. ; Sikora, B. ; Sim, K. S. ; Simion, V. ; Siwek-Wilczyńska, K. ; Smolyankin, V. ; Stoicea, G. ; Suzuki, K. ; Tymiński, Z. ; Wagner, P. ; Weber, Ivana ; Widmann, E. ; Wiśniewski, K. ; Xiao, Z. G. ; Xu, H. S. ; Yushmanov, I. ; Zhang, Y. ; Zhilin, A. ; Zinyuk, V. ; Zmeskal, J. ; FOPI Collaboration

Kolaboracija
FOPI Collaboration

Izvornik
Physical review. C (2469-9985) 99 (2019), 1; 014904, 9

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

Ključne riječi
heavy-ion collisions ; charged kaons ; in-medium ; strange particles

Sažetak
The FOPI Collaboration at the GSI SIS-18 synchrotron measured charged kaons from central and semicentral collisions of Ni+Ni at a beam energy of 1.91A GeV. We present the distribution of the K−/K+ ratio on the energy vs polar angle plane in the nucleon-nucleon center-of-mass frame, with and without subtraction of the contribution of ϕ(1020) meson decays to the K− yield. The acceptance of the current experiment is substantially wider compared to the previous measurement of the same colliding system. The ratio of K− to K+ energy spectra is expected to be sensitive to the in-medium modifications of basic kaon properties like mass. Recent results obtained by the HADES Collaboration at 1.23A and 1.76A GeV indicate that after inclusion of the ϕ meson decay contribution to the K− production no difference between the slopes of the K− and K+ energy spectra is observed within uncertainties. For our data a linear fit to this ratio obtained after subtraction of the ϕ meson contribution still shows a decrease with kinetic energy, although a constant value cannot be rejected. The contribution of Λ(1520)→pK− decays estimated from fitting the thermal model to the experimental yields appears to be another factor of moderate relevance.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

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

Profili:

Avatar Url Ivana Weber (autor)

Avatar Url Mile Dželalija (autor)

Avatar Url Zoran Basrak (autor)

Avatar Url Mladen Kiš (autor)

Avatar Url Igor Gašparić (autor)

Avatar Url Milorad Korolija (autor)

Avatar Url Roman Čaplar (autor)

Poveznice na cjeloviti tekst rada:

doi arxiv.org journals.aps.org

Citiraj ovu publikaciju:

(FOPI Collaboration) Piasecki, K.; Herrmann, N.; Averbeck, R.; Andronic, A.; Barret, V.; Basrak, Zoran; Bastid, N.; Benabderrahmane, M. L.; Berger, M.; Buehler, P. et al.
Wide-acceptance measurement of the K−/K+ ratio from Ni+Ni collisions at 1.91A GeV // Physical review. C, 99 (2019), 1; 014904, 9 doi:10.1103/physrevc.99.014904 (međunarodna recenzija, članak, znanstveni)
(FOPI Collaboration) (FOPI Collaboration) Piasecki, K., Herrmann, N., Averbeck, R., Andronic, A., Barret, V., Basrak, Z., Bastid, N., Benabderrahmane, M., Berger, M. & Buehler, P. (2019) Wide-acceptance measurement of the K−/K+ ratio from Ni+Ni collisions at 1.91A GeV. Physical review. C, 99 (1), 014904, 9 doi:10.1103/physrevc.99.014904.
@article{article, author = {Piasecki, K. and Herrmann, N. and Averbeck, R. and Andronic, A. and Barret, V. and Basrak, Zoran and Bastid, N. and Benabderrahmane, M. L. and Berger, M. and Buehler, P. and Cargnelli, M. and \v{C}aplar, Roman and Cordier, E. and Crochet, P. and Czerwiakowa, O. and Deppner, I. and Dupieux, P. and D\v{z}elalija, Mile and Fabbietti, L. and Fodor, Z. and Gasik, P. and Ga\v{s}pari\'{c}, Igor and Grishkin, Y. and Hartmann, O. N. and Hildenbrand, K. D. and Hong, B. and Kang, T. I. and Kecskemeti, J. and Kim, Y. J. and Kirejczyk, M. and Ki\v{s}, Mladen and Koczon, P. and Korolija, Milorad and Kotte, R. and Lebedev, A. and Leifels, Y. and Le F\`{e}vre, A. and Liu, J. L. and Lopez, X. and Mangiarotti, A. and Manko, V. and Marton, J. and Matulewicz, T. and Merschmeyer, M. and M\"{u}nzer, R. and Pelte, D. and Petrovici, M. and Rami, F. and Reischl, A. and Reisdorf, W. and Ryu, M. S. and Schmidt, P. and Sch\"{u}ttauf, A. and Seres, Z. and Sikora, B. and Sim, K. S. and Simion, V. and Siwek-Wilczy\'{n}ska, K. and Smolyankin, V. and Stoicea, G. and Suzuki, K. and Tymi\'{n}ski, Z. and Wagner, P. and Weber, Ivana and Widmann, E. and Wi\'{s}niewski, K. and Xiao, Z. G. and Xu, H. S. and Yushmanov, I. and Zhang, Y. and Zhilin, A. and Zinyuk, V. and Zmeskal, J.}, year = {2019}, pages = {9}, DOI = {10.1103/physrevc.99.014904}, chapter = {014904}, keywords = {heavy-ion collisions, charged kaons, in-medium, strange particles}, journal = {Physical review. C}, doi = {10.1103/physrevc.99.014904}, volume = {99}, number = {1}, issn = {2469-9985}, title = {Wide-acceptance measurement of the K−/K+ ratio from Ni+Ni collisions at 1.91A GeV}, keyword = {heavy-ion collisions, charged kaons, in-medium, strange particles}, chapternumber = {014904} }
@article{article, author = {Piasecki, K. and Herrmann, N. and Averbeck, R. and Andronic, A. and Barret, V. and Basrak, Zoran and Bastid, N. and Benabderrahmane, M. L. and Berger, M. and Buehler, P. and Cargnelli, M. and \v{C}aplar, Roman and Cordier, E. and Crochet, P. and Czerwiakowa, O. and Deppner, I. and Dupieux, P. and D\v{z}elalija, Mile and Fabbietti, L. and Fodor, Z. and Gasik, P. and Ga\v{s}pari\'{c}, Igor and Grishkin, Y. and Hartmann, O. N. and Hildenbrand, K. D. and Hong, B. and Kang, T. I. and Kecskemeti, J. and Kim, Y. J. and Kirejczyk, M. and Ki\v{s}, Mladen and Koczon, P. and Korolija, Milorad and Kotte, R. and Lebedev, A. and Leifels, Y. and Le F\`{e}vre, A. and Liu, J. L. and Lopez, X. and Mangiarotti, A. and Manko, V. and Marton, J. and Matulewicz, T. and Merschmeyer, M. and M\"{u}nzer, R. and Pelte, D. and Petrovici, M. and Rami, F. and Reischl, A. and Reisdorf, W. and Ryu, M. S. and Schmidt, P. and Sch\"{u}ttauf, A. and Seres, Z. and Sikora, B. and Sim, K. S. and Simion, V. and Siwek-Wilczy\'{n}ska, K. and Smolyankin, V. and Stoicea, G. and Suzuki, K. and Tymi\'{n}ski, Z. and Wagner, P. and Weber, Ivana and Widmann, E. and Wi\'{s}niewski, K. and Xiao, Z. G. and Xu, H. S. and Yushmanov, I. and Zhang, Y. and Zhilin, A. and Zinyuk, V. and Zmeskal, J.}, year = {2019}, pages = {9}, DOI = {10.1103/physrevc.99.014904}, chapter = {014904}, keywords = {heavy-ion collisions, charged kaons, in-medium, strange particles}, journal = {Physical review. C}, doi = {10.1103/physrevc.99.014904}, volume = {99}, number = {1}, issn = {2469-9985}, title = {Wide-acceptance measurement of the K−/K+ ratio from Ni+Ni collisions at 1.91A GeV}, keyword = {heavy-ion collisions, charged kaons, in-medium, strange particles}, chapternumber = {014904} }

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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