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Article ; Online: Status and perspectives of fragmentation beams at LNS with CHIMERA detector

Cardella G. / Acosta L. / Amorini F. / Auditore L. / Berceanu I. / Chatterjiee M.B. / De Filippo E. / Francalanza L. / Grassi L. / La Guidara E. / Lanzalone G. / Lombardo I. / Minniti T. / Pagano A. / Pagano E.V. / Papa M. / Pirrone S. / Politi G. / Quattrocchi L. /

Rizzo F. / Rosato E. / Russotto P. / Trifirò A. / Trimarchi M. / Verde G. / Vigilante M.

EPJ Web of Conferences, Vol 88, p

2015 Volume 00012

Abstract: Relatively large yields of various exotic beams produced through in-flight fragmentation are available at LNS. Using the CHIMERA detector, we performed various experiments to study elastic and inelastic scattering, transfer, break-up, and reaction ... ...

Abstract	Relatively large yields of various exotic beams produced through in-flight fragmentation are available at LNS. Using the CHIMERA detector, we performed various experiments to study elastic and inelastic scattering, transfer, break-up, and reaction dynamics with targets from proton and deuteron to carbon and heavier. For reactions with relatively light systems we used the kinematical coincidence method to extract high resolution angular distributions of binary reactions from the measured light particle energy spectra. We also used the CsI detectors of CHIMERA to detect gamma rays emitted in the reactions. Some of most recent results are presented together with future perspectives with the coupling of CHIMERA with FARCOS array.
Keywords	Science ; Q ; Physics ; QC1-999
Language	English
Publishing date	2015-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Polar-side emission of heavy IMFs in 197Au + 197Au collisions at 23A MeV

Cap T. / Siwek-Wilczyńska K. / Skwira-Chalot I. / Wilczyński J. / Amorini F. / Auditore L. / Cardella G. / De Filippo E. / Geraci E. / Grassi L. / Grzeszczuk A. / La Guidara E. / Han J. / Kozik T. / Lanzalone G. / Lombardo I. / Najman R. / Nicolis N. G. / Pagano A. /

Papa M. / Piasecki E. / Pirrone S. / Płaneta R. / Politi G. / Rizzo F. / Russotto P. / Trifirò A. / Trimarchi M. / Verde G. / Zipper W.

EPJ Web of Conferences, Vol 88, p

2015 Volume 00007

Keywords	Science ; Q ; Physics ; QC1-999
Language	English
Publishing date	2015-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Exploring reaction mechanisms and their competition in 58Ni+48Ca collisions at E = 25 AMeV

Francalanza L. / Abbondanno U. / Amorini F. / Barlini S. / Bini M. / Bougault R. / Bruno M. / Cardella G. / Casini G. / Colonna M. / D’Agostino M. / De Filippo E. / De Sanctis J. / Geraci E. / Giussani A. / Gramegna F. / Guiot B. / Kravchuk V. / La Guidara E. /

Lanzalone G. / Le Neindre N. / Maiolino C. / Marini P. / Morelli L. / Olmi A. / Pagano A. / Papa M. / Piantelli S. / Pirrone S. / Politi G. / Poggi G. / Porto F. / Russotto P. / Rizzo F. / Vannini G. / Vannucci L.

EPJ Web of Conferences, Vol 66, p

2014 Volume 03029

Abstract: Latest results concerning the study of central collisions in 58Ni+48Ca reactions at Elab(Ni)=25 AMeV are presented. The experimental data, collected with the CHIMERA 4π device, have been analyzed in order to investigate the competition among different ... ...

Abstract	Latest results concerning the study of central collisions in 58Ni+48Ca reactions at Elab(Ni)=25 AMeV are presented. The experimental data, collected with the CHIMERA 4π device, have been analyzed in order to investigate the competition among different reaction mechanisms for central collisions in the Fermi energy domain. The method adopted to perform the centrality selection refers to the global variable “flow angle”, that is related to the event shape in momentum space, as it is determined by the eigenvectors of the experimental kinetic-energy tensor. The main features of the reaction products were explored by using different constraints on some of the relevant observables, such as mass and velocity distributions and their correlations. Much emphasis was devoted to the competition between fusion-evaporation processes with subsequent identification of a heavy residue and a prompt multifragmentation mechanism. The reaction mechanism was simulated in the framework of transport theories (dynamical stochastic BNV calculations, followed by sequential SIMON code) and further comparison with dynamical calculations from transport model (QMD, CoMD) are in progress. Moreover, an extension of this study taking into account for the light particles has been envisaged.
Keywords	Physics ; QC1-999 ; Science ; Q
Subject code	660
Language	English
Publishing date	2014-03-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Isospin dependence of incomplete fusion reactions at 25 MeV/nucleon.

Amorini, F / Cardella, G / Giuliani, G / Papa, M / Agodi, C / Alba, R / Anzalone, A / Berceanu, I / Cavallaro, S / Chatterjee, M B / Coniglione, R / De Filippo, E / Di Pietro, A / Geraci, E / Grassi, L / Grzeszczuk, A / Figuera, P / La Guidara, E / Lanzalone, G /

Le Neindre, N / Lombardo, I / Maiolino, C / Pagano, A / Pirrone, S / Politi, G / Pop, A / Porto, F / Rizzo, F / Russotto, P / Santonocito, D / Sapienza, P / Verde, G

Physical review letters

2009 Volume 102, Issue 11, Page(s) 112701

Abstract: 40Ca+;{40,48}Ca,46Ti reactions at 25 MeV/nucleon have been studied using the 4pi CHIMERA detector. An isospin effect on the competition between fusionlike and binarylike reaction mechanisms has been observed. The probability of producing a heavy residue ... ...

Abstract	40Ca+;{40,48}Ca,46Ti reactions at 25 MeV/nucleon have been studied using the 4pi CHIMERA detector. An isospin effect on the competition between fusionlike and binarylike reaction mechanisms has been observed. The probability of producing a heavy residue is lower in the case of N approximately Z colliding systems as compared to the case of reactions induced on the neutron rich 48Ca target. Predictions based on constrained molecular dynamics II calculations show that the competition between fusionlike and binary reactions in the selected centrality bins can constrain the parametrization of the symmetry energy and its density dependence in the nuclear equation of state.
Language	English
Publishing date	2009-03-20
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.102.112701
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Global characteristics of 197Au + 197Au collisions at 23 AMeV

Bubak A. / Auditore L. / Amorini F. / Sochocka A. / Płaneta R. / Najman R. / Cap T. / Cardella G. / De Filippo E. / Geraci E. / Grassi L. / Grzeszczuk A. / La Guidara E. / Han J. / Loria D. / Kowalski S. / Kozik T. / Lanzalone G. / Lombardo I. /

Majka Z. / Nicolis N. G. / Pagano A. / Piasecki E. / Pirrone S. / Politi G. / Rizzo F. / Russotto P. / Siwek-Wilczyéska K. / Skwira-Chalot I. / Trifiró A. / Trimarchi M. / Wilczyński J. / Verde G. / Zipper W.

EPJ Web of Conferences, Vol 31, p

2012 Volume 00026

Abstract: We present the current status of nuclear dynamics studies performed by the BREAKUP group with the 4π CHIMERA array, for the system 197Au + 197Au at 23 AMeV. ...

Abstract	We present the current status of nuclear dynamics studies performed by the BREAKUP group with the 4π CHIMERA array, for the system 197Au + 197Au at 23 AMeV.
Keywords	Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
Language	English
Publishing date	2012-07-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Use of fragmentation beams at LNS with CHIMERA detector

Gianí R. / Francalanza L. / DeFilippo E. / Chatterjiee M. B. / Buscemi M. / Berceanu I. / Auditore L. / Anzalone A. / Amorini F. / Agodi C. / Acosta L. / Cardella G. / Grassi L. / La Guidara E. / Lanzalone G. / Lombardo I. / Loria D. / Minniti T. / Pagano A. /

Pagano E. V. / Papa M. / Pirrone S. / Politi G. / Porto F. / Rizzo F. / Rosato E. / Russotto P. / Santoro S. / Trifiró A. / Trimarchi M. / Verde G. / Vigilante M.

EPJ Web of Conferences, Vol 31, p

2012 Volume 00036

Abstract: The recent intensity upgrade of the LNS fragmentation beam is discussed. The available beams, the tagging procedures and details on the beam quality are reported. The experimental program started with the CHIMERA detector using such beams is also ... ...

Abstract	The recent intensity upgrade of the LNS fragmentation beam is discussed. The available beams, the tagging procedures and details on the beam quality are reported. The experimental program started with the CHIMERA detector using such beams is also discussed with preliminary results and future perspectives.
Keywords	Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
Language	English
Publishing date	2012-07-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Isoscaling in dissipative projectile breakup

Amorini F. / Schröder J.D. / Henry E. / Pawelczak I. / Tõoke J. / Quinlan M.J. / Singh H. / Anzalone A. / Maiolino C. / Auditore L. / Loria D. / Trifirò A. / Trimarchi M. / Cardella G. / De Filippo E. / Pagano A. / Papa M. / Pirrone S. / Verde G. /

Chatterjee M.B. / Cavallaro S. / Geraci E. / Lo Nigro S. / Politi G. / Porto F. / Rizzo F. / Russotto P. / Grzeszczuk A. / Guazzoni P. / Zetta L. / La Guidara E. / Lanzalone G. / Vigilante M.

EPJ Web of Conferences, Vol 31, p

2012 Volume 00014

Abstract: Dynamical breakup of projectile-like fragments (PLF) following dissipative reactions of 48 Ca projectiles with 112 Sn and 124 Sn is shown to exhibit “isoscaling” regularities that can be understood in terms of phase space governed by ground state masses. ...

Abstract	Dynamical breakup of projectile-like fragments (PLF) following dissipative reactions of 48 Ca projectiles with 112 Sn and 124 Sn is shown to exhibit “isoscaling” regularities that can be understood in terms of phase space governed by ground state masses. Ambiguities in isoscaling parameters obscure information on nuclear symmetry energy at subnormal densities.
Keywords	Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
Language	English
Publishing date	2012-07-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: N/Z effects on 40,48Ca+40,48Ca reactions at 25 MeV/nucleon

Cardella G. / Buscemi M. / Berceanu I. / Auditore L. / Anzalone A. / Amorini F. / Agodi C. / Acosta L. / Lombardo I. / Cavallaro S. / Chatterjee M. B. / DeFilippo E. / Giuliani G. / Geraci E. / Grassi L. / Han J. / LaGuidara E. / Lanzalone G. / Loria D. /

Maiolino C. / Minniti T. / Pagano A. / Papa M. / Pirrone S. / Politi G. / Porto F. / Rizzo F. / Rosato E. / Russotto P. / Santoro S. / Trifirò A. / Trimarchi M. / Verde G. / Vigilante M.

EPJ Web of Conferences, Vol 31, p

2012 Volume 00016

Abstract: Effects related to the neutron to proton ratio (N/Z) degree of freedom in 40,48Ca+40,48Ca reactions at 25 MeV/nucleon have been investigated. Isotopic effect and even-odd staggering characterize the emission of light fragments at forward angles. The ... ...

Abstract	Effects related to the neutron to proton ratio (N/Z) degree of freedom in 40,48Ca+40,48Ca reactions at 25 MeV/nucleon have been investigated. Isotopic effect and even-odd staggering characterize the emission of light fragments at forward angles. The study of isobaric ratio 7Li/7Be for quasi-projectile source in semi-peripheral event of reactions allows moreover to investigate isospin diffusion effects in heavy ion collisions.
Keywords	Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
Language	English
Publishing date	2012-07-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: N/Z effects on evaporation residue emission near fragmentation threshold

Papa M. / Pagano A. / Minniti T. / Maiolino C. / Loria D. / Lanzalone G. / LaGuidara E. / Han J. / Grassi L. / Geraci E. / Giuliani G. / DeFilippo E. / Chatterjee M.B. / Cavallaro S. / Cardella G. / Berceanu I. / Auditore L. / Anzalone A. / Amorini F. /

Agodi C. / Lombardo I. / Acosta L. / Pirrone S. / Politi G. / Porto F. / Rizzo F. / Russotto P. / Santoro S. / Trifirò A. / Trimarchi M. / Verde G. / Vigilante M.

EPJ Web of Conferences, Vol 17, p

2011 Volume 16005

Abstract: We will discuss results concerning the fate of hot nuclear systems populated in 40,48Ca+40,48Ca reactions at 25 MeV/nucleon. Due to the complexity of events, we used the Chimera 4π device as detection system. By selecting central events of reaction, we ... ...

Abstract	We will discuss results concerning the fate of hot nuclear systems populated in 40,48Ca+40,48Ca reactions at 25 MeV/nucleon. Due to the complexity of events, we used the Chimera 4π device as detection system. By selecting central events of reaction, we found that the interplay between binary-like and evaporation residue emissions is strongly sensitive on the N/Z of the entrance channels. In particular, evaporation residue emission increases at increasing the neutron content of colliding system. By comparing or data with CoMD-II model calculations, we can extract information about the density depend part of Symmetry Potential in the Nuclear Equation of State at near-saturation densities.
Keywords	Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
Language	English
Publishing date	2011-10-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Probing the symmetry energy at low density using observable from neck fragmentation

De Filippo E. / Acosta L. / Agodi C. / Amorini F. / Auditore L. / Baran V. / Berceanu I. / Cap T. / Cardella G. / Colonna M. / Francalanza L. / Geraci E. / Gianì R. / Grassi L. / Grzeszczuk A. / Guazzoni P. / Han J. / La Guidara E. / Lanzalone G. /

Lombardo I. / Maiolino C. / Minniti T. / Pagano A. / Pagano E.V. / Papa M. / Piasecki E. / Płaneta R. / Pirrone S. / Politi G. / Pop A. / Porto F. / Quattrocchi L. / Rizzo F. / Rosato E. / Russotto P. / Siwek-Wilczyńska K. / Skwira-Chalot I / Trifirò A. / Trimarchi M. / Verde G. / Vigilante M. / Wilczyński J. / Zetta L.

EPJ Web of Conferences, Vol 66, p

2014 Volume 03032

Abstract: Semi-peripheral collisions of 64Ni + 124Sn in direct and inverse kinematics, at 35 A MeV incident energy, are studied to characterize the dynamical origin and align-ments properties of fragments emission at midrapidity. This emission is partly due to the ...

Abstract	Semi-peripheral collisions of 64Ni + 124Sn in direct and inverse kinematics, at 35 A MeV incident energy, are studied to characterize the dynamical origin and align-ments properties of fragments emission at midrapidity. This emission is partly due to the fragmentation of a transient neck joining the projectile and target in the early stages of the reaction. Recently we exploited observable from neck fragmentation to constraint the density dependence of the symmetry energy. In this contribution we focus on the density evolution of the mid-rapidity source. An experimental survey is suggested to check if data are consistent with the formation of neck fragments in a dilute density region in contact with the projectile-like and target-like spectators at normal saturation density.
Keywords	Physics ; QC1-999 ; Science ; Q
Language	English
Publishing date	2014-03-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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