MINOS: A vertex tracker coupled to a thick liquid-hydrogen target for in-beam spectroscopy of exotic nuclei

Obertelli, A.; Delbart, A.; Anvar, S.; Audirac, L.; Authelet, G.; Baba, H.; Bruyneel, B.; Calvet, D.; Château, F.; Corsi, A.; Doornenbal, P.; Gheller, J.-M.; Giganon, A.; Lahonde-Hamdoun, C.; Lebœuf, David; Loiseau, D.; Mohamed, Ashraf; Mols, J. P.; Otsu, H.; Péron, Clara; Peyaud, A.; Pollacco, E.; Prono, G.; Roussé, J.-Y.; Santamaria, C.; Uesaka, T.

doi:10.1140/epja/i2014-14008-y

Cited by 111 publications

(98 citation statements)

References 35 publications

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“…The results presented in this work, together with the possibility of using this model in GEANT4 simulations [94], will facilitate the design of new experiments in different facilities, such as GSI/FAIR [59,95,96] and RIKEN [97,98], where kinematically complete measurements of quasifree knockout reactions of a broad range of nuclei impinging on hydrogen targets are proposed to investigate nuclear structure. Future benchmarks of INCL could be performed using experimental data from those experiments in order to provide more knowledge on this reaction.…”

Section: Discussionmentioning

confidence: 99%

Improvement of one-nucleon removal and total reaction cross sections in the Liège intranuclear-cascade model using Hartree-Fock-Bogoliubov calculations

et al. 2017

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The prediction of one-nucleon-removal cross sections by the Liège intranuclear-cascade model has been improved using a refined description of the matter and energy densities in the nuclear surface. Hartree-FockBogoliubov calculations with the Skyrme interaction are used to obtain a more realistic description of the radial-density distributions of protons and neutrons, as well as the excitation-energy uncorrelation at the nuclear surface due to quantum effects and short-range correlations. The results are compared with experimental data covering a large range of nuclei, from carbon to uranium, and projectile kinetic energies. We find that the new approach is in good agreement with experimental data of one-nucleon-removal cross sections covering a broad range in nuclei and energies. The new ingredients also improve the description of total reaction cross sections induced by protons at low energies, the production cross sections of heaviest residues close to the projectile, and the triple-differential cross sections for one-proton removal. However, other observables such as quadruple-differential cross sections of coincident protons do not present any sizable sensitivity to the new approach. Finally, the model is also tested for light-ion-induced reactions. It is shown that the new parameters can give a reasonable description of the nucleus-nucleus total reaction cross sections at high energies.

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Section: Discussionmentioning

confidence: 99%

Improvement of one-nucleon removal and total reaction cross sections in the Liège intranuclear-cascade model using Hartree-Fock-Bogoliubov calculations

et al. 2017

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“…The MINOS detector [17] uses the concept of active target to mitigate a very specific difficulty linked to the technique of in-beam γ -ray spectroscopy. In this technique radioactive beams are used at velocities a large fraction of the speed of light (β ranging from 0.2 to 0.8) which induce a strong Lorentz boost on the γ -rays emitted by the reaction products in flight [115].…”

Section: Magic Numbers Off Stability (Minos)mentioning

confidence: 99%

“…Principle scheme of the MINOS device (from[17]). The recoil protons that escape the target can be detected in the TPC and used to track the vertex location and hence the velocity at the time of the reaction.…”

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Active targets for the study of nuclei far from stability

Beceiro-Novo

Ahn

Bazin

et al. 2015

Progress in Particle and Nuclear Physics

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“…87 As and 85 Ge were obtained with rates of 2059 and 731 s −1 , respectively, for 22 h. For 10.5 h, 89 As was provided at a rate of 140 s −1 . The isotopes of interest impinged on the 99(1)-mm-thick liquid-hydrogen reaction target MINOS [35] at the end of BigRIPS. The ion's kinetic energy of ∼270 MeV/u was reduced by ∼70 MeV/u while passing the target.…”

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confidence: 99%

Triaxiality of neutron-rich Ge84,86,88 from low-energy nuclear spectra

Lettmann¹,

Werner²,

Pietralla³

et al. 2017

Phys. Rev. C

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γ -ray transitions between low-spin states of the neutron-rich 84,86,88 Ge were measured by means of in-flight γ -ray spectroscopy at 270 MeV/u. Excited 6 + 1 , 4 + 1,2 , and 2 + 1,2 states of 84,86 Ge and 4 + 1 and 2 + 1,2 states of 88 Ge were observed. Furthermore, a candidate for a 3 + 1 state of 86 Ge was identified. This state plays a key role in the discussion of ground-state triaxiality of 86 Ge, along with other features of its low-energy level scheme. A new region of triaxially deformed nuclei is proposed in the Ge isotopic chain.

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MINOS: A vertex tracker coupled to a thick liquid-hydrogen target for in-beam spectroscopy of exotic nuclei

Cited by 111 publications

References 35 publications

Improvement of one-nucleon removal and total reaction cross sections in the Liège intranuclear-cascade model using Hartree-Fock-Bogoliubov calculations

Improvement of one-nucleon removal and total reaction cross sections in the Liège intranuclear-cascade model using Hartree-Fock-Bogoliubov calculations

Active targets for the study of nuclei far from stability

Triaxiality of neutron-rich Ge84,86,88 from low-energy nuclear spectra

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