Progress in the design and construction of SPES at INFN-LNL

Bisoffi, G.; Prete, G.; Andrighetto, A.; Andreev, V.; Bellan, Luca; Bellato, M.; Bortolato, D.; Calderolla, M.; Canella, S.; Comunian, M.; Corradetti, S.; Fagotti, E.; Facco, A.; Favaron, P.; Ferrari, L.; Galatà, A.; Giacchini, M.; Gramegna, F.; Gulmini, M.; Lombardi, A.; Maggiore, M.; Manzolaro, M.; Modanese, P.; Moisio, M.F.; Monetti, A.; Palmieri, Antonio; Pisent, A.; Poggi, M.; Porcellato, A.M.; Rossignoli, M.; Roncolato, C.; Russo, A.; Sarchiapone, L.; Scarpa, D.; Vasquez, J.; Zafiropoulos, D.

doi:10.1016/j.nimb.2016.01.024

Cited by 17 publications

(9 citation statements)

References 10 publications

(10 reference statements)

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“…Some lab-oratories use fragmentation reactions and in-flight technique to produce radioactive ion beams at intermediate energies: NSCL at MSU (USA) [116], RIBLL at HIRFL (China) [117], FAIR at GSI (Germany) [118], RIBF at RIKEN (Japan) [119], LISE at GANIL (France) [120], EXOTIC at INFN-LNL (Italy) [121], MARS at Texas A&M (USA) [122], and ACCULINNA at Dubna (Russia) [123]. Other laboratories are using the ISOL technique: SPIRAL2 at GANIL (France) [124], SPES at INFN-LNL (Italy) [125], REX-ISOLDE at CERN (Switzerland) [126] and ISAC at TRIUMF (Canada) [127]. There are also several laboratories producing radioactive nuclei at the lower energy regime such as Twinsol at University of Notre Dame (USA) [128], RIBRAS (Brazil) [129], ATLAS and CARIBU at ANL (USA) [130], CRIB-RIKEN (Japan) [131] and SOLEROO (Australia) [132].…”

Section: Elastic Scattering Measurements and Total Reaction Cross Sec...mentioning

confidence: 99%

The total reaction cross section of heavy-ion reactions induced by stable and unstable exotic beams: the low-energy regime

et al. 2020

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In this review paper we present a detailed account of the extraction and the calculation of the total reaction cross section of strongly bound and weakly bound, stable and unstable, exotic, nuclei. We discuss the optical model and the more general coupled channels model of direct reactions, and how from fits to the data on elastic scattering supplies the elastic element of (partial wave) S-matrix and correspondingly the differential cross section and the total reaction cross section. The effect of long-range absorption due to the coupling to excited states in the target and to the breakup continuum in the projectile is also discussed. The semiclassical method is then analyzed and the Hill-Wheeler expression of the tunneling probability and the Wong formula for the fusion and the total reaction cross sections are discussed in details. The generalized optical theorem for charged particle scattering and the resulting sum-of differences method is then discussed. Also, the strong absorption model in its sharp cutoff form and its generalization, the smooth cutoff, is discussed. The so-called "quarter-point recipe" is discussed next, and the quarter-point angle is introduced as a simple and rapid mean to obtain the total reaction cross section. The last topic discussed is the reduction of the total reaction cross section that would allow a large body of data to sit on a single universal function. Such a universal function exists in the case of the fusion data, and the aim of this last topic of the review is to extend the fusion case to the total reaction, by adding the direct reaction contribution. Also discussed is the inclusive breakup cross section and how it can be used to extract the total reaction cross section of the interacting fragment with the target. This method is also known as the Surrogate method and represents a case of hybrid reactions. The sum of the integrated inclusive breakup cross section with the complete fusion cross section supplies the total fusion cross section. The main experimental methods to determine the total reaction cross section are also discussed, with emphasis in recent techniques developed to deal with reactions induced by unstable beams.

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Section: Elastic Scattering Measurements and Total Reaction Cross Sec...mentioning

confidence: 99%

The total reaction cross section of heavy-ion reactions induced by stable and unstable exotic beams: the low-energy regime

et al. 2020

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“…Nevertheless, ECRIS charge breeders have found their purpose in radioactive beam facilities in operation and under construction, e.g. ISAC at TRIUMF [6], SPIRAL1 / SPIRAL2 at GANIL [7,8], SPES at INFN-LNL [9] and HIE-ISOLDE at CERN [10].…”

Section: Introductionmentioning

confidence: 99%

Plasma instabilities of a charge breeder ECRIS

Tarvainen

Angot

Izotov

et al. 2017

Plasma Sources Sci. Technol.

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Experimental observation of plasma instabilities in a charge breeder electron cyclotron resonance ion source (CB-ECRIS) is reported. It is demonstrated that the injection of 133 Cs + or 85 Rb + ion beam into the oxygen discharge of the CB-ECRIS can trigger electron cyclotron instabilities, which restricts the parameter space available for the optimization of the charge breeding efficiency. It is concluded that the transition from stable to unstable plasma regime is caused by gradual accumulation and ionization of Cs/Rb and simultaneous change of the discharge parameters in 10 -100 ms time scale, not by a prompt interaction between the incident ion beam and the ECRIS plasma. The instabilities lead to loss of ion confinement, which results to sputtering of the surfaces in contact with the plasma followed by up to an order of magnitude increase of impurity currents in the extracted n+ ion beam.

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“…One of the experiments was aimed at spectroscopic studies of high-level states in 31 S, and the second one, to measure lifetime in the nuclei in the vicinity of 100 Sn using the coincidence RDDS method conditioned on charged particles detected by EUCLIDES array. In the nearest future nuclear structure research at GALILEO will benefit from accelerated beams of radioactive isotopes to be delivered by SPES facility [26].…”

Section: Resultsmentioning

confidence: 99%

High Resolution γ-Ray Spectroscopy Using GALILEO Array

et al. 2019

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The GALILEO γ-ray spectrometer has been constructed at the Legnaro National Laboratory of INFN (LNL-INFN). It can be coupled to advanced ancillary devices which allows nuclear structure studies employing the variety of in-beam γ-ray spectroscopy methods. Such studies benefit from reactions induced by the intense stable beams delivered by the Tandem-ALPI-PIAVE accelerator complex and by the radioactive beams which will be provided by the SPES facility. In this paper we outline two experiments performed within the experimental campaign at GALILEO coupled to the EUCLIDES Si-ball and the Neutron Wall array. The first one was aimed at spectroscopic studies in A=31 mirror nuclei and the second one at measurements of lifetimes of excited states in nuclei in the vicinity of 100 Sn.

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Progress in the design and construction of SPES at INFN-LNL

Cited by 17 publications

References 10 publications

The total reaction cross section of heavy-ion reactions induced by stable and unstable exotic beams: the low-energy regime

The total reaction cross section of heavy-ion reactions induced by stable and unstable exotic beams: the low-energy regime

Plasma instabilities of a charge breeder ECRIS

High Resolution γ-Ray Spectroscopy Using GALILEO Array

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