Zobrazeno 1 - 10
of 382
pro vyhledávání: '"Fueloep, Zs."'
First direct measurement of the 64.5 keV resonance strength in $^{17}$O(p,$\gamma$)$^{18}$F reaction
Autor:
Gesuè, R. M., Ciani, G. F., Piatti, D., Boeltzig, A., Rapagnani, D., Aliotta, M., Ananna, C., Barbieri, L., Barile, F., Bemmerer, D., Best, A., Broggini, C., Bruno, C. G., Caciolli, A., Campostrini, M., Casaburo, F., Cavanna, F., Colombetti, P., Compagnucci, A., Corvisiero, P., Csedreki, L., Davinson, T., De Gregorio, G. M., Dell'Aquila, D., Depalo, R., Di Leva, A., Elekes, Z., Ferraro, F., Formicola, A., Fülöp, Zs., Gervino, G., Guglielmetti, A., Gustavino, C., Gyürky, Gy., Imbriani, G., Junker, M., Lugaro, M., Marigo, P., Marsh, J., Masha, E., Menegazzo, R., Mercogliano, D., Paticchio, V., Perrino, R., Prati, P., Rigato, V., Robb, D., Schiavulli, L., Sidhu, R. S., Skowronski, J., Straniero, O., Szücs, T., Zavatarelli, S.
The CNO cycle is one of the most important nuclear energy sources in stars. At temperatures of hydrostatic H-burning (20 MK $<$ T $<$ 80 MK) the $^{17}$O(p,$\gamma$)$^{18}$F reaction rate is dominated by the poorly constrained 64.5~keV resonance. Her
Externí odkaz:
http://arxiv.org/abs/2408.03015
Autor:
Mátyus, Zs., Gyürky, Gy., Mohr, P., Angyal, A., Halász, Z., Kiss, G. G., Tóth, Á, Szücs, T., Fülöp, Zs.
In several processes of stellar nucleosynthesis, like the astrophysical gamma-process, nuclear reactions involving alpha particles play an important role. The description of these reactions necessitates the knowledge of the alpha-nucleus optical mode
Externí odkaz:
http://arxiv.org/abs/2406.01362
Autor:
Masha, E., Barbieri, L., Skowronski, J., Aliotta, M., Ananna, C., Barile, F., Bemmerer, D., Best, A., Boeltzig, A., Broggini, C., Bruno, C. G., Caciolli, A., Campostrini, M., Casaburo, F., Cavanna, F., Ciani, G. F., Ciapponi, A., Colombetti, P., Compagnucci, A., Corvisiero, P., Csedreki, L., Davinson, T., Depalo, R., Di Leva, A., Elekes, Z., Ferraro, F., Fiore, E. M., Formicola, A., Fülöp, Zs., Gervino, G., Guglielmetti, A., Gustavino, C., Gyürky, Gy., Imbriani, G., José, J., Junker, M., Lugaro, M., Manoj, P., Marigo, P., Menegazzo, R., Paticchio, V., Piatti, D., Prati, P., Rapagnani, D., Rigato, V., Robb, D., Schiavulli, L., Sidhu, R. S., Straniero, O., Szücs, T., Zavatarelli, S.
The $\mathrm{^{20}Ne(p, \gamma)^{21}Na}$ reaction is the slowest in the NeNa cycle and directly affects the abundances of the Ne and Na isotopes in a variety of astrophysical sites. Here we report the measurement of its direct capture contribution, f
Externí odkaz:
http://arxiv.org/abs/2311.04089
Autor:
Skowronski, J., Boeltzig, A., Ciani, G. F., Csedreki, L., Piatti, D., Aliotta, M., Ananna, C., Barile, F., Bemmerer, D., Best, A., Broggini, C., Bruno, C. G., Caciolli, A., Campostrini, M., Cavanna, F., Colombetti, P., Compagnucci, A., Corvisiero, P., Davinson, T., Depalo, R., Di Leva, A., Elekes, Z., Ferraro, F., Formicola, A., Fülöp, Zs., Gervino, G., Gesuè, R. M., Guglielmetti, A., Gustavino, C., Gyürky, Gy., Imbriani, G., Junker, M., Lugaro, M., Marigo, P., Masha, E., Menegazzo, R., Paticchio, V., Perrino, R., Prati, P., Rapagnani, D., Rigato, V., Schiavulli, L., Sidhu, R. S., Straniero, O., Szücs, T., Zavatarelli, S.
Publikováno v:
Phys. Rev. Lett. 131, 162701 (2023)
The ${}^{12}\mathrm{C}/{}^{13}\mathrm{C}$ ratio is a significant indicator of nucleosynthesis and mixing processes during hydrogen burning in stars. Its value mainly depends on the relative rates of the ${}^{12}\mathrm{C}(p,\gamma){}^{13}\mathrm{N}$
Externí odkaz:
http://arxiv.org/abs/2308.16098
The $^3$He($\alpha$,$\gamma$)$^7$Be reaction plays a major role both in the BBN producing the majority of the primordial $^7$Li, and in the pp-chain, where it is the branching point. As a few-nucleon system, this reaction is often used to validate ab
Externí odkaz:
http://arxiv.org/abs/2307.10218
Publikováno v:
A&A 677, A22 (2023)
The $\gamma$-process nucleosynthesis in core-collapse supernovae is generally accepted as a feasible process for the synthesis of neutron-deficient isotopes beyond iron. However, crucial discrepancies between theory and observations still exist: the
Externí odkaz:
http://arxiv.org/abs/2306.11409
The CNO cycle is one of the fundamental processes of hydrogen burning in stars. The first reaction of the cycle is the radiative proton capture on 12C and the rate of this 12C(p,gamma)13N reaction is related to the 12C/13C ratio observed e.g. in the
Externí odkaz:
http://arxiv.org/abs/2303.05999
Autor:
Gyürky, Gy., Mohr, P., Angyal, A., Halász, Z., Kiss, G. G., Mátyus, Zs., Szegedi, T. N., Szücs, T., Fülöp, Zs.
Nuclear reactions involving alpha particles play an important role in various astrophysical processes such as the gamma-process of heavy element nucleosynthesis. The poorly known low-energy alpha-nucleus optical (AOMP) potential is a key parameter to
Externí odkaz:
http://arxiv.org/abs/2302.02697
Autor:
Piatti, D., Masha, E., Aliotta, M., Balibrea-Correa, J., Barile, F., Bemmerer, D., Best, A., Boeltzig, A., Broggini, C., Bruno, C. G., Caciolli, A., Cavanna, F., Chillery, T., Ciani, G. F., Compagnucci, A., Corvisiero, P., Csedreki, L., Davinson, T., Depalo, R., di Leva, A., Elekes, Z., Ferraro, F., Fiore, E. M., Formicola, A., Fülöp, Zs., Gervino, G., Guglielmetti, A., Gustavino, C., Gyürky, Gy., Imbriani, G., Junker, M., Lugaro, M., Marigo, P., Menegazzo, R., Mossa, V., Pantaleo, F. R., Paticchio, V., Perrino, R., Prati, P., Rapagnani, D., Schiavulli, L., Skowronski, J., Stöckel, K., Straniero, O., Szücs, T., Takács, M. P., Zavatarelli, S.
Publikováno v:
Eur. Phys. J. A 58, 194 (2022)
In stars, the fusion of $^{22}$Ne and $^4$He may produce either $^{25}$Mg, with the emission of a neutron, or $^{26}$Mg and a $\gamma$ ray. At high temperature, the ($\alpha,n$) channel dominates, while at low temperature, it is energetically hampere
Externí odkaz:
http://arxiv.org/abs/2209.03051
Autor:
Gyürky, Gy., Halász, Z., Kiss, G. G., Szücs, T., Huszánk, R., Török, Zs., Fülöp, Zs., Rauscher, T., Travaglio, C.
Publikováno v:
Journal of Physics G: Nuclear and Particle Physics 48 (2021) 105202
The synthesis of heavy, proton rich isotopes is a poorly understood astrophysical process. Thermonuclear (type Ia) supernova explosions are among the suggested sites and the abundance of some isotopes present in the early solar system may be used to
Externí odkaz:
http://arxiv.org/abs/2108.10006