4π studies of the 1.8–4.8 GeV<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">He</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>3</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mo>+</mml:mo></mml:mrow><mml:mrow><mml:mi mathvariant="normal">nat</mml:m

Morley, K.B.; Kwiatkowski, K.; Bracken, D. S.; Foxford, E. Renshaw; Viola, V. E.; Woo, L.W.; Yoder, N. R.; Légrain, R.; Pollacco, E. C.; Volant, C.; Korteling, R. G.; Breuer, H.; Brzychczyk, J.

doi:10.1103/physrevc.54.737

Cited by 36 publications

(24 citation statements)

References 47 publications

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“…However, when source mass corrections are made, the energy per nucleon distributions are very similar for both targets [40]. The projectile-target effect on the saturation of excitation energy with beam energy is in good agreement with INC calculations [30,41] for this lower momentum, complex projectile. The lower right-hand frame of Fig.…”

Section: Excitation Energy Depositionsupporting

confidence: 63%

“…This need was a primary motivation for the moving-source fits to the spectra. From moving-source analyses of all the spectra from the 1.8-4.8 GeV 3 He + 197 Au reaction [41], it was concluded that a sharp cutoff approximation gave a satisfactory account of the fraction of thermal events in the spectra. The thermal cutoff values were:…”

Section: Calorimetrymentioning

confidence: 99%

“…Another perspective on the influence of reaction dynamics is provided by studies with 3 He beams [40,41]. Fig.…”

Section: Excitation Energy Depositionmentioning

confidence: 99%

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Light-ion-induced multifragmentation: The ISiS project

et al. 2006

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An extensive study of GeV light-ion-induced multifragmentation and its possible interpretation in terms of a nuclear liquid-gas phase transition has been performed with the Indiana Silicon Sphere (ISiS) 4π detector array. Measurements were performed with 5-15 GeV/c p, p, and π − beams incident on 197 Au and 2-5 GeV 3 He incident on nat Ag and 197 Au targets. Both the reaction dynamics and the subsequent decay of the heavy residues have been explored. The data provide evidence Preprint submitted to Elsevier Science 10 March 2018for a dramatic change in the reaction observables near an excitation energy of E*/A = 4-5 MeV per residue nucleon. In this region, fragment multiplicities and energy spectra indicate emission from an expanded/dilute source on a very short time scale (20-50 fm/c). These properties, along with caloric curve and scaling-law behavior, yield a pattern that is consistent with a nuclear liquid-gas phase transition.

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Section: Excitation Energy Depositionsupporting

confidence: 63%

Section: Calorimetrymentioning

confidence: 99%

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Light-ion-induced multifragmentation: The ISiS project

et al. 2006

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“…Preequilibrium or prebreakup emissions are likely explanations for high-energy components in light-particle spectra [4,10,20,21]. In some cases, the excess kinetic energies have been ascribed to collective flow even though a characteristic proportionality to the fragment mass is not evident in the data [11,22,23].…”

mentioning

confidence: 99%

Fragment Kinetic Energies and Modes of Fragment Formation

Odeh¹,

Bassini²,

Begemann-Blaich³

et al. 2000

Phys. Rev. Lett.

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Kinetic energies of light fragments A <= 10 from the decay of target spectators in 197Au 197Au collisions at 1000 MeV per nucleon have been measured with high-resolution telescopes at backward angles. Except for protons and apart from the observed evaporation components, the kinetic-energy spectra exhibit slope temperatures of about 17 MeV, independent of the particle species, but not corresponding to the thermal or chemical degrees of freedom at breakup. It is suggested that these slope temperatures may reflect the intrinsic Fermi motion and thus the bulk density of the spectator system at the instant of becoming unstable. PACS numbers: 25.70.Pq, 21.65.+f, 25.70.MnComment: 11 pages, with 4 included figures; Accepted by Phys. Rev. Lett.; Also available from http://www-kp3.gsi.de/www/kp3/aladin_publications.htm

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“…1 Separating the equilibrium events from those having a nonequilibrium origin (outside the dotted lines in Fig. 1) must be done empirically from analysis of the spectra [7].…”

Section: Experimental Signalsmentioning

confidence: 99%

The nuclear liquid-gas phase transition: Q.E.D

Viola

2004

Nuclear Physics A

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For the past decade, intense experimental effort has been devoted to the search for a liquid-gas phase transition in highly excited nuclei. Now, synthesis of the large body of existing multifragmentation data provides a strong case for identification of this phenomenon. In this presentation we discuss several salient features of the data that support their interpretation in terms of a spinodal liquid-gas phase transition.

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4π studies of the 1.8–4.8 GeVHe3+nat

Cited by 36 publications

References 47 publications

Light-ion-induced multifragmentation: The ISiS project

Light-ion-induced multifragmentation: The ISiS project

Fragment Kinetic Energies and Modes of Fragment Formation

The nuclear liquid-gas phase transition: Q.E.D

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