Probing the Statistical Decay and α-clustering effects in 12C + 12C and 14N + 10B reactions
An experimental campaign has been undertaken at Laboratori Nazionali di Legnaro (LNL INFN), Italy, in order to progress in our understanding of the statistical properties of light nuclei at excitation energies above particle emission threshold, by measuring exclusive data from fusion-evaporation rea...
Ausführliche Beschreibung
Autor*in: |
Morelli L. [verfasserIn] Baiocco G. [verfasserIn] D’Agostino M. [verfasserIn] Bruno M. [verfasserIn] Gulminelli F. [verfasserIn] Cinausero M. [verfasserIn] Degerlier M. [verfasserIn] Fabris D. [verfasserIn] Gramegna F. [verfasserIn] Marchi T. [verfasserIn] Barlini S. [verfasserIn] Bini M. [verfasserIn] Casini G. [verfasserIn] Gelli N. [verfasserIn] Lopez A. [verfasserIn] Pasquali G. [verfasserIn] Piantelli S. [verfasserIn] Valdrè S. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2014 |
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Übergeordnetes Werk: |
In: EPJ Web of Conferences - EDP Sciences, 2010, 66, p 03064(2014) |
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Übergeordnetes Werk: |
volume:66, p 03064 ; year:2014 |
Links: |
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DOI / URN: |
10.1051/epjconf/20146603064 |
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Katalog-ID: |
DOAJ074919393 |
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520 | |a An experimental campaign has been undertaken at Laboratori Nazionali di Legnaro (LNL INFN), Italy, in order to progress in our understanding of the statistical properties of light nuclei at excitation energies above particle emission threshold, by measuring exclusive data from fusion-evaporation reactions. On the experimental side, a first reaction: 12C+12C at 95 MeV beam energy has been measured, using the GARFIELD + Ring Counter (RCo) apparatuses. Fusion-evaporation events have been exclusively selected out of the entire data set. The comparison to a dedicated Hauser-Feshbach calculation allows us to give constraints on the nuclear level density at high excitation energy for light systems ranging from C up to Mg. Out-of-equilibrium aα emission has been evidenced and attributed both to an entrance channel effect (favoured by the cluster nature of reaction partners), and, in more dissipative events, to the persistence of cluster correlations well above the 24Mg threshold for 6 α’s decay. In order to study the same 24Mg compound nucleus at similar excitation energy with respect to this first reaction a new measurement, 14N + 10B at 5.7 A.MeV, was performed at LNL laboratories with the same experimental setup. The comparison between the two systems would allow us to further constrain the level density of light nuclei in the mass-excitation energy range of interest. In this perspective, deviations from a statistical behaviour can be used as a tool to get information on nuclear clustering, both in the ground-state for projectile and target and in the hot source formed in the collision. | ||
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10.1051/epjconf/20146603064 doi (DE-627)DOAJ074919393 (DE-599)DOAJd22d2cb2a3014a9aafdde570733848f1 DE-627 ger DE-627 rakwb eng QC1-999 Morelli L. verfasserin aut Probing the Statistical Decay and α-clustering effects in 12C + 12C and 14N + 10B reactions 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An experimental campaign has been undertaken at Laboratori Nazionali di Legnaro (LNL INFN), Italy, in order to progress in our understanding of the statistical properties of light nuclei at excitation energies above particle emission threshold, by measuring exclusive data from fusion-evaporation reactions. On the experimental side, a first reaction: 12C+12C at 95 MeV beam energy has been measured, using the GARFIELD + Ring Counter (RCo) apparatuses. Fusion-evaporation events have been exclusively selected out of the entire data set. The comparison to a dedicated Hauser-Feshbach calculation allows us to give constraints on the nuclear level density at high excitation energy for light systems ranging from C up to Mg. Out-of-equilibrium aα emission has been evidenced and attributed both to an entrance channel effect (favoured by the cluster nature of reaction partners), and, in more dissipative events, to the persistence of cluster correlations well above the 24Mg threshold for 6 α’s decay. In order to study the same 24Mg compound nucleus at similar excitation energy with respect to this first reaction a new measurement, 14N + 10B at 5.7 A.MeV, was performed at LNL laboratories with the same experimental setup. The comparison between the two systems would allow us to further constrain the level density of light nuclei in the mass-excitation energy range of interest. In this perspective, deviations from a statistical behaviour can be used as a tool to get information on nuclear clustering, both in the ground-state for projectile and target and in the hot source formed in the collision. Physics Baiocco G. verfasserin aut D’Agostino M. verfasserin aut Bruno M. verfasserin aut Gulminelli F. verfasserin aut Cinausero M. verfasserin aut Degerlier M. verfasserin aut Fabris D. verfasserin aut Gramegna F. verfasserin aut Marchi T. verfasserin aut Barlini S. verfasserin aut Bini M. verfasserin aut Casini G. verfasserin aut Gelli N. verfasserin aut Lopez A. verfasserin aut Pasquali G. verfasserin aut Piantelli S. verfasserin aut Valdrè S. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 66, p 03064(2014) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:66, p 03064 year:2014 https://doi.org/10.1051/epjconf/20146603064 kostenfrei https://doaj.org/article/d22d2cb2a3014a9aafdde570733848f1 kostenfrei http://dx.doi.org/10.1051/epjconf/20146603064 kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 66, p 03064 2014 |
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10.1051/epjconf/20146603064 doi (DE-627)DOAJ074919393 (DE-599)DOAJd22d2cb2a3014a9aafdde570733848f1 DE-627 ger DE-627 rakwb eng QC1-999 Morelli L. verfasserin aut Probing the Statistical Decay and α-clustering effects in 12C + 12C and 14N + 10B reactions 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An experimental campaign has been undertaken at Laboratori Nazionali di Legnaro (LNL INFN), Italy, in order to progress in our understanding of the statistical properties of light nuclei at excitation energies above particle emission threshold, by measuring exclusive data from fusion-evaporation reactions. On the experimental side, a first reaction: 12C+12C at 95 MeV beam energy has been measured, using the GARFIELD + Ring Counter (RCo) apparatuses. Fusion-evaporation events have been exclusively selected out of the entire data set. The comparison to a dedicated Hauser-Feshbach calculation allows us to give constraints on the nuclear level density at high excitation energy for light systems ranging from C up to Mg. Out-of-equilibrium aα emission has been evidenced and attributed both to an entrance channel effect (favoured by the cluster nature of reaction partners), and, in more dissipative events, to the persistence of cluster correlations well above the 24Mg threshold for 6 α’s decay. In order to study the same 24Mg compound nucleus at similar excitation energy with respect to this first reaction a new measurement, 14N + 10B at 5.7 A.MeV, was performed at LNL laboratories with the same experimental setup. The comparison between the two systems would allow us to further constrain the level density of light nuclei in the mass-excitation energy range of interest. In this perspective, deviations from a statistical behaviour can be used as a tool to get information on nuclear clustering, both in the ground-state for projectile and target and in the hot source formed in the collision. Physics Baiocco G. verfasserin aut D’Agostino M. verfasserin aut Bruno M. verfasserin aut Gulminelli F. verfasserin aut Cinausero M. verfasserin aut Degerlier M. verfasserin aut Fabris D. verfasserin aut Gramegna F. verfasserin aut Marchi T. verfasserin aut Barlini S. verfasserin aut Bini M. verfasserin aut Casini G. verfasserin aut Gelli N. verfasserin aut Lopez A. verfasserin aut Pasquali G. verfasserin aut Piantelli S. verfasserin aut Valdrè S. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 66, p 03064(2014) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:66, p 03064 year:2014 https://doi.org/10.1051/epjconf/20146603064 kostenfrei https://doaj.org/article/d22d2cb2a3014a9aafdde570733848f1 kostenfrei http://dx.doi.org/10.1051/epjconf/20146603064 kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 66, p 03064 2014 |
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10.1051/epjconf/20146603064 doi (DE-627)DOAJ074919393 (DE-599)DOAJd22d2cb2a3014a9aafdde570733848f1 DE-627 ger DE-627 rakwb eng QC1-999 Morelli L. verfasserin aut Probing the Statistical Decay and α-clustering effects in 12C + 12C and 14N + 10B reactions 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An experimental campaign has been undertaken at Laboratori Nazionali di Legnaro (LNL INFN), Italy, in order to progress in our understanding of the statistical properties of light nuclei at excitation energies above particle emission threshold, by measuring exclusive data from fusion-evaporation reactions. On the experimental side, a first reaction: 12C+12C at 95 MeV beam energy has been measured, using the GARFIELD + Ring Counter (RCo) apparatuses. Fusion-evaporation events have been exclusively selected out of the entire data set. The comparison to a dedicated Hauser-Feshbach calculation allows us to give constraints on the nuclear level density at high excitation energy for light systems ranging from C up to Mg. Out-of-equilibrium aα emission has been evidenced and attributed both to an entrance channel effect (favoured by the cluster nature of reaction partners), and, in more dissipative events, to the persistence of cluster correlations well above the 24Mg threshold for 6 α’s decay. In order to study the same 24Mg compound nucleus at similar excitation energy with respect to this first reaction a new measurement, 14N + 10B at 5.7 A.MeV, was performed at LNL laboratories with the same experimental setup. The comparison between the two systems would allow us to further constrain the level density of light nuclei in the mass-excitation energy range of interest. In this perspective, deviations from a statistical behaviour can be used as a tool to get information on nuclear clustering, both in the ground-state for projectile and target and in the hot source formed in the collision. Physics Baiocco G. verfasserin aut D’Agostino M. verfasserin aut Bruno M. verfasserin aut Gulminelli F. verfasserin aut Cinausero M. verfasserin aut Degerlier M. verfasserin aut Fabris D. verfasserin aut Gramegna F. verfasserin aut Marchi T. verfasserin aut Barlini S. verfasserin aut Bini M. verfasserin aut Casini G. verfasserin aut Gelli N. verfasserin aut Lopez A. verfasserin aut Pasquali G. verfasserin aut Piantelli S. verfasserin aut Valdrè S. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 66, p 03064(2014) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:66, p 03064 year:2014 https://doi.org/10.1051/epjconf/20146603064 kostenfrei https://doaj.org/article/d22d2cb2a3014a9aafdde570733848f1 kostenfrei http://dx.doi.org/10.1051/epjconf/20146603064 kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 66, p 03064 2014 |
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10.1051/epjconf/20146603064 doi (DE-627)DOAJ074919393 (DE-599)DOAJd22d2cb2a3014a9aafdde570733848f1 DE-627 ger DE-627 rakwb eng QC1-999 Morelli L. verfasserin aut Probing the Statistical Decay and α-clustering effects in 12C + 12C and 14N + 10B reactions 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An experimental campaign has been undertaken at Laboratori Nazionali di Legnaro (LNL INFN), Italy, in order to progress in our understanding of the statistical properties of light nuclei at excitation energies above particle emission threshold, by measuring exclusive data from fusion-evaporation reactions. On the experimental side, a first reaction: 12C+12C at 95 MeV beam energy has been measured, using the GARFIELD + Ring Counter (RCo) apparatuses. Fusion-evaporation events have been exclusively selected out of the entire data set. The comparison to a dedicated Hauser-Feshbach calculation allows us to give constraints on the nuclear level density at high excitation energy for light systems ranging from C up to Mg. Out-of-equilibrium aα emission has been evidenced and attributed both to an entrance channel effect (favoured by the cluster nature of reaction partners), and, in more dissipative events, to the persistence of cluster correlations well above the 24Mg threshold for 6 α’s decay. In order to study the same 24Mg compound nucleus at similar excitation energy with respect to this first reaction a new measurement, 14N + 10B at 5.7 A.MeV, was performed at LNL laboratories with the same experimental setup. The comparison between the two systems would allow us to further constrain the level density of light nuclei in the mass-excitation energy range of interest. In this perspective, deviations from a statistical behaviour can be used as a tool to get information on nuclear clustering, both in the ground-state for projectile and target and in the hot source formed in the collision. Physics Baiocco G. verfasserin aut D’Agostino M. verfasserin aut Bruno M. verfasserin aut Gulminelli F. verfasserin aut Cinausero M. verfasserin aut Degerlier M. verfasserin aut Fabris D. verfasserin aut Gramegna F. verfasserin aut Marchi T. verfasserin aut Barlini S. verfasserin aut Bini M. verfasserin aut Casini G. verfasserin aut Gelli N. verfasserin aut Lopez A. verfasserin aut Pasquali G. verfasserin aut Piantelli S. verfasserin aut Valdrè S. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 66, p 03064(2014) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:66, p 03064 year:2014 https://doi.org/10.1051/epjconf/20146603064 kostenfrei https://doaj.org/article/d22d2cb2a3014a9aafdde570733848f1 kostenfrei http://dx.doi.org/10.1051/epjconf/20146603064 kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 66, p 03064 2014 |
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probing the statistical decay and α-clustering effects in 12c + 12c and 14n + 10b reactions |
callnumber |
QC1-999 |
title_auth |
Probing the Statistical Decay and α-clustering effects in 12C + 12C and 14N + 10B reactions |
abstract |
An experimental campaign has been undertaken at Laboratori Nazionali di Legnaro (LNL INFN), Italy, in order to progress in our understanding of the statistical properties of light nuclei at excitation energies above particle emission threshold, by measuring exclusive data from fusion-evaporation reactions. On the experimental side, a first reaction: 12C+12C at 95 MeV beam energy has been measured, using the GARFIELD + Ring Counter (RCo) apparatuses. Fusion-evaporation events have been exclusively selected out of the entire data set. The comparison to a dedicated Hauser-Feshbach calculation allows us to give constraints on the nuclear level density at high excitation energy for light systems ranging from C up to Mg. Out-of-equilibrium aα emission has been evidenced and attributed both to an entrance channel effect (favoured by the cluster nature of reaction partners), and, in more dissipative events, to the persistence of cluster correlations well above the 24Mg threshold for 6 α’s decay. In order to study the same 24Mg compound nucleus at similar excitation energy with respect to this first reaction a new measurement, 14N + 10B at 5.7 A.MeV, was performed at LNL laboratories with the same experimental setup. The comparison between the two systems would allow us to further constrain the level density of light nuclei in the mass-excitation energy range of interest. In this perspective, deviations from a statistical behaviour can be used as a tool to get information on nuclear clustering, both in the ground-state for projectile and target and in the hot source formed in the collision. |
abstractGer |
An experimental campaign has been undertaken at Laboratori Nazionali di Legnaro (LNL INFN), Italy, in order to progress in our understanding of the statistical properties of light nuclei at excitation energies above particle emission threshold, by measuring exclusive data from fusion-evaporation reactions. On the experimental side, a first reaction: 12C+12C at 95 MeV beam energy has been measured, using the GARFIELD + Ring Counter (RCo) apparatuses. Fusion-evaporation events have been exclusively selected out of the entire data set. The comparison to a dedicated Hauser-Feshbach calculation allows us to give constraints on the nuclear level density at high excitation energy for light systems ranging from C up to Mg. Out-of-equilibrium aα emission has been evidenced and attributed both to an entrance channel effect (favoured by the cluster nature of reaction partners), and, in more dissipative events, to the persistence of cluster correlations well above the 24Mg threshold for 6 α’s decay. In order to study the same 24Mg compound nucleus at similar excitation energy with respect to this first reaction a new measurement, 14N + 10B at 5.7 A.MeV, was performed at LNL laboratories with the same experimental setup. The comparison between the two systems would allow us to further constrain the level density of light nuclei in the mass-excitation energy range of interest. In this perspective, deviations from a statistical behaviour can be used as a tool to get information on nuclear clustering, both in the ground-state for projectile and target and in the hot source formed in the collision. |
abstract_unstemmed |
An experimental campaign has been undertaken at Laboratori Nazionali di Legnaro (LNL INFN), Italy, in order to progress in our understanding of the statistical properties of light nuclei at excitation energies above particle emission threshold, by measuring exclusive data from fusion-evaporation reactions. On the experimental side, a first reaction: 12C+12C at 95 MeV beam energy has been measured, using the GARFIELD + Ring Counter (RCo) apparatuses. Fusion-evaporation events have been exclusively selected out of the entire data set. The comparison to a dedicated Hauser-Feshbach calculation allows us to give constraints on the nuclear level density at high excitation energy for light systems ranging from C up to Mg. Out-of-equilibrium aα emission has been evidenced and attributed both to an entrance channel effect (favoured by the cluster nature of reaction partners), and, in more dissipative events, to the persistence of cluster correlations well above the 24Mg threshold for 6 α’s decay. In order to study the same 24Mg compound nucleus at similar excitation energy with respect to this first reaction a new measurement, 14N + 10B at 5.7 A.MeV, was performed at LNL laboratories with the same experimental setup. The comparison between the two systems would allow us to further constrain the level density of light nuclei in the mass-excitation energy range of interest. In this perspective, deviations from a statistical behaviour can be used as a tool to get information on nuclear clustering, both in the ground-state for projectile and target and in the hot source formed in the collision. |
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title_short |
Probing the Statistical Decay and α-clustering effects in 12C + 12C and 14N + 10B reactions |
url |
https://doi.org/10.1051/epjconf/20146603064 https://doaj.org/article/d22d2cb2a3014a9aafdde570733848f1 http://dx.doi.org/10.1051/epjconf/20146603064 https://doaj.org/toc/2100-014X |
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author2 |
Baiocco G. D’Agostino M. Bruno M. Gulminelli F. Cinausero M. Degerlier M. Fabris D. Gramegna F. Marchi T. Barlini S. Bini M. Casini G. Gelli N. Lopez A. Pasquali G. Piantelli S. Valdrè S. |
author2Str |
Baiocco G. D’Agostino M. Bruno M. Gulminelli F. Cinausero M. Degerlier M. Fabris D. Gramegna F. Marchi T. Barlini S. Bini M. Casini G. Gelli N. Lopez A. Pasquali G. Piantelli S. Valdrè S. |
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doi_str |
10.1051/epjconf/20146603064 |
callnumber-a |
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up_date |
2024-07-04T01:07:23.581Z |
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