Two level scheme solvers for nuclear spectroscopy

Jansson, Kaj; DiJulio, Douglas D.; Cederkäll, J.

doi:10.1016/j.nima.2011.07.021

Cited by 1 publication

(3 citation statements)

References 12 publications

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“…S g1g2ḡ3 = S g1g2 − S g1g2g3 = g 1 g 2 (1 − g 3 ) S g1g3ḡ2 = S g1g3 − S g1g2g3 = g 1 g 3 (1 − g 2 ) S g2g3ḡ1 = S g2g3 − S g1g2g3 = g 2 g 3 (1 − g 1 ) which are specific examples of the general relation (6). We recover the final result:…”

Section: Discussionsupporting

confidence: 75%

“…• Combined spectrum expressed as a sum of exclusive elementary spectra: Note that for such a reduced list of gates, the final result can easily be obtained in a pedestrian approach, applying intuitively the development of exclusive spectra involving one closed gate: which are specific examples of the general relation (6). We recover the final result:…”

Section: Discussionmentioning

confidence: 87%

“…With increasing amount and complexity of experimental data, efforts have been dedicated to establish automated procedures to construct level schemes on the basis of coincidence data (see e.g. [3][4][5][6][7]). Although important steps have been taken, these works generally conclude that human intervention is still crucial to obtain valid level schemes when realistic data are employed.…”

Section: Introductionmentioning

confidence: 99%

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Gamma-ray intensities in multi-gated spectra

Ducoin

Maquart

Stézowski

2019

Nuclear Instruments and Methods in Physics Research Section A:

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The level structure of nuclei offers a large amount and variety of information to improve our knowledge of the strong interaction and of mesoscopic quantum systems. Gamma spectroscopy is a powerful tool to perform such studies: modern gamma multi-detectors present increasing performances in terms of sensitivity and efficiency, allowing to extend ever more our ability to observe and characterize abundant nuclear states. For instance, the high-spin part of level schemes often reflects intriguing nuclear shape phenomena: this behaviour is unveiled by high-fold experimental data analysed through multi-coincidence spectra, in which long deexcitation cascades become observable. Determining the intensity of newly discovered transitions is important to characterize the nuclear structure and formation mechanism of the emitting levels. However, it is not trivial to relate the apparent intensity observed in multi-gated spectra to the actual transition intensity. In this work, we introduce the basis of a formalism affiliated with graph theory: we have obtained analytic expressions from which data-analysis methods can eventually be derived to recover this link in a rigorous way. arXiv:1802.06076v1 [physics.data-an]

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Section: Discussionsupporting

confidence: 75%

Section: Discussionmentioning

confidence: 87%