Výsledky vyhledávání - "Thomas Keutgen"

Average neutron detection efficiency for DEMON detectors

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 709:68-71

The neutron detection efficiency of a DEMON detector, averaged over the whole volume, was calculated using GEANT and applied to determine neutron multiplicities in an intermediate heavy ion reaction. When a neutron source is set at a distance of abou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b73c08d612fad8d3ccf01faecd35f588
https://doi.org/10.1016/j.nima.2013.01.039

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A novel approach to isoscaling: The role of the order parameter

Autor: L. Qin, S. Kowalski, Chen Zhen, R. Wada, P. K. Sahu, Mei-Rong Huang, C. Bottosso, Thomas Keutgen, K. Hagel, M. R. D. Rodrigues, T. Materna, Aldo Bonasera, J. B. Natowitz, M. Barbui, Jian-Song Wang

Publikováno v: Nuclear Physics A. 847:233-242

Isoscaling is derived within a recently proposed modified Fisher model where the free energy near the critical point is described by the Landau O ( m 6 ) theory. In this model m = N f − Z f A f is the order parameter, a consequence of (one of) the

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https://doi.org/10.1016/j.nuclphysa.2010.07.004

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THE ISOSPIN DEPENDENCE OF THE NUCLEAR PHASE TRANSITION NEAR THE CRITICAL POINT

Autor: J. S. Wang, L. Qin, P. K. Sahu, R. Wada, S. Kowalski, Chen Zhen, J. B. Natowitz, Mei-Rong Huang, T. Materna, K. Hagel, T. Nakagawa, Thomas Keutgen, Aldo Bonasera

Publikováno v: International Journal of Modern Physics E. 19:1570-1576

The experimental results reveal the isospin dependence of the nuclear phase transition in terms of the Landau Free Energy description of critical phenomena. Near the critical point, different ratios of the neutron to proton concentrations lead to dif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e942ab291c466f9f5c494b117cc7df2c
https://doi.org/10.1142/s0218301310015977

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Laboratory Studies of low density matter

Publikováno v: Nuclear Physics A. 834:521c-526c

A very brief summary Of Our Current research on clustering in low density matter formed in near Fermi energy heavy ion collisions is presented. At the lowest densities and temperatures large alpha mass fractions are observed. Temperature and density

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5f2a07837c3e2b37b899390ec826aa6
https://doi.org/10.1016/j.nuclphysa.2010.01.081

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Experimental reconstruction of primary hot isotopes and characteristic properties of the fragmenting source in the heavy ion reactions near the Fermi energy

The characteristic properties of the hot nuclear matter existing at the time of fragment formation in the multifragmentation events produced in the reaction $^{64}$Zn + $^{112}$Sn at 40 MeV/nucleon are studied. A kinematical focusing method is employ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08e73bf8cf4464949b548dd109e32b38
http://arxiv.org/abs/1405.6911

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Neutron-induced reaction cross-section measurements using a small multi-detector array and description of a large array

Autor: Sylvie Benck, I. Tilquin, Youssef El Masri, Ch. Dufauquez, I. Slypen, V. Roberfroid, Jean-Pierre Meulders, Thomas Keutgen, V. Corcalciuc, E. Raeymackers, N. Nica, Juan Cabrera Jamoulle

Publikováno v: Pramana. 57:85-95

The experimental setup of Louvain-1a-Neuve (UCL-Belgium) used to perform light-charged particle production experiment in fast neutron-induced reactions is presented. A short description of the neutron modular detector DEMON is also given. DEMON is a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::390dcc659c25ef299abc16b081c285a4
https://doi.org/10.1007/s12043-001-0159-9

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Highest temperatures sustainable in heavy nuclei produced in Ar+Au collisions at 60 AMeV

Publikováno v: Nuclear Physics A
Nuclear Physics A, Elsevier, 1997, 620, pp.327-345

The specific decay mode of hot nuclei surviving fission or fragmentation and leading in the final state to the production of a large residue has been studied in Ar+Au collisions at 60 A MeV. The temperature of these residues has been obtained by anal

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https://doi.org/10.1016/s0375-9474(97)00066-3

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Sub-barrier fusion of 6He with 206Pb

Autor: Ł. Standyło, Ismael Martel, K. Rusek, L. Acosta, C. Signorini, R. Wolski, J.A. Dueñas, M. S. Golovkov, R. Berjillos, Juan Pedro Bolívar, Thomas Keutgen, M. Mazzocco, Carmen Angulo, J. L. Aguado, A. Padilla, M. Romoli, A. M. Sánchez-Benítez

Publikováno v: European Physical Journal A. Hadrons and Nuclei, Vol. 47, no. 9 (2011)

Cross-sections for the production of 210Po nuclei in 6He + 206Pb collisions over the incident energy range 14-18 MeV were measured by means of the activation technique and a radiochemical analysis. The elastic scattering at 18.0 MeV was also measured

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https://doi.org/10.1140/epja/i2011-11111-7

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