Special Relativity and Reactions with Unstable Nuclei

Bertulani, C. A.

doi:10.1063/1.2114707

Cited by 3 publications

(5 citation statements)

References 17 publications

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“…7 Li gs + n spectroscopic factors were obtained from a comparison between the experimental differential cross sections and FRDWBA calculations. Cross sections for the direct neutron-capture reactions 7 Li(n, γ) 8 Li and 8 Li(n, γ) 9 Li were then deduced in the framework of a potential model [76] using these spectroscopic factors.…”

Section: LImentioning

confidence: 99%

“…In this case the dependence of the DWBA cross section on the parameters of the opticalmodel potentials is minimized and the ANCs of the 1 [201]. These SFs were then used to infer information concerning the direct, non-resonant 14 C(n, γ) 15 C gs and 14 C(n, γ) 15 C * (0.740) capture reactions with the phenomenological potential method [76] and the code RADCAP [204]. This measurement was performed using a 12 MeV/nucleon 14 C beam from the K500 superconducting cyclotron at TAMU-CI.…”

Section: 21mentioning

confidence: 99%

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Elastic scattering, fusion, and breakup of light exotic nuclei

2016

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Abstract. The present status of fusion reactions involving light (A < 20) radioactive projectiles at energies around the Coulomb barrier (E < 10 MeV per nucleon) is reviewed, emphasizing measurements made within the last decade. Data on elastic scattering (providing total reaction cross section information) and breakup channels for the involved systems, demonstrating the relationship between these and the fusion channel, are also reviewed. Similarities and differences in the behavior of fusion and total reaction cross section data concerning halo nuclei, weakly-bound but less exotic projectiles, and strongly-bound systems are discussed. One difference in the behavior of fusion excitation functions near the Coulomb barrier seems to emerge between neutron-halo and proton-halo systems. The role of charge has been investigated by comparing the fusion excitation functions, properly scaled, for different neutron-and proton-rich systems. Possible physical explanations for the observed differences are also reviewed.

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Section: LImentioning

confidence: 99%

Section: 21mentioning

confidence: 99%

Elastic scattering, fusion, and breakup of light exotic nuclei

2016

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“…In Ref. [39][40][41] this feature was used to explore the possible existence of 5 dark sectors instead of the single ubiquitous dark sector. An Weakly Interacting Massive Gauge Boson (WIMG) was also proposed to couple all dark sectors and ordinary matter.…”

Section: Dark Mattermentioning

confidence: 99%

“…The new degrees of freedom of particles in the dark sector modify the early universe expansion rate [42] and the elemental abundance predictions. Additional dark sectors increase the effective number degrees of freedom and their implications for BBN [39][40][41].…”

Section: Dark Mattermentioning

confidence: 99%

Cosmological Lithium Problems

2018

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Abstract. We briefly describe the cosmological lithium problems followed by a summary of our recent theoretical work on the magnitude of the effects of electron screening, the possible existence of dark matter parallel universes and the use of non-extensive (Tsallis) statistics during big bang nucleosynthesis. Solutions within nuclear physics are also discussed and recent measurements of cross-sections based on indirect experimental techniques are summarized.

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“…Electromagnetic excitation of nuclear states, especially the collective giant multipole resonances was discussed at this workshop by Carlos Bertulani 13 . The possibility to excite multiphonon GDR states is discussed in 14 , where also its main properties like decay widths are discussed.…”

Section: Exchange Of Many Photons In Multi-phonon Giant Resonance Excmentioning

confidence: 99%

Physics Opportunities in Ultraperipheral Heavy Ion Collisions at LHC

Baur

2003

Electromagnetic Probes of Fundamental Physics

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Due to coherence, there are strong electromagnetic fields of short duration in very peripheral heavy ion collisions. They give rise to photon-photon and photon-nucleus collisions with high flux up to an invariant mass region hitherto unexplored experimentally. Photon-photon and photon-hadron physics at various invariant mass scales are discussed. Due to the very strong electromagnetic fields there are interesting many-photon exchange processes like double giant dipole resonance excitation in nuclei, multiple e + e − pair production and vector meson pair production. Maximum equivalent photon energies in the lab-system(collider frame) are typically of the order of 3 GeV for RHIC and 100 GeV for LHC. Vector meson production(coherent as well as incoherent) and photon-gluon fusion leading to heavy quark jets are processes of great physics interest. The high photon-photon luminosities in very peripheral collisions at the LHC will allow to study interesting physics channels in the invariant mass region up to about 100 GeV. It is hoped that this will bridge a gap to the physics at the future photon colliders. In pp collisions this maximum energy is even higher, and their is also the experimental possibility to tag on these photons.

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Special Relativity and Reactions with Unstable Nuclei

Cited by 3 publications

References 17 publications

Elastic scattering, fusion, and breakup of light exotic nuclei

Elastic scattering, fusion, and breakup of light exotic nuclei

Cosmological Lithium Problems

Physics Opportunities in Ultraperipheral Heavy Ion Collisions at LHC

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