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The Hoyle Family: break-up measurements to probe α-condensation in light nuclei

by R. Smith, J. Bishop, J. Hirst, Tz. Kokalova and C. Wheldon

This Submission thread is now published as SciPost Phys. Proc. 3, 030 (2020)

Submission summary

As Contributors: Robin Smith
Preprint link: scipost_201911_00026v1
Date accepted: 2019-12-05
Date submitted: 2019-11-12 01:00
Submitted by: Smith, Robin
Submitted to: SciPost Physics Proceedings
Proceedings issue: 24th European Few Body Conference (University of Surrey, U.K.)
Academic field: Physics
Specialties:
  • Nuclear Physics - Experiment
  • Nuclear Physics - Theory
Approach: Experimental

Abstract

The 12C Hoyle state is a candidate for α-condensation, due to its large volume and α-cluster structure. This paper discusses precision break-up measurements and how they can elucidate α-condensate structures. Two experiments are discussed in detail, firstly concerning the break-up of 12C and then the decays of heavier nuclei. With more theoretical input, and increasingly complex detector setups, precision break-up measurements can, in principle, provide insight into the structures of states in α-conjugate nuclei. At present, such searches have not delivered evidence for α-condensation in 12C or 16O.

Published as SciPost Phys. Proc. 3, 030 (2020)




Reports on this Submission

Anonymous Report 3 on 2019-12-3 (Invited Report)

  • Cite as: Anonymous, Report on arXiv:scipost_201911_00026v1, delivered 2019-12-03, doi: 10.21468/SciPost.Report.1359

Report

The manuscript presents a detailed discussion regarding the status of modern and sophisticated experiments aiming to investigate the structure of the 12C Hoyle state, which is a candidate for alpha-condensation. The main idea of such experiments is to measure with high precision the 3-alpha direct decay width arising from the break-up of 12C. The paper also gives an interesting overview about the theoretical models often employed to support the hypothesis that the 12C Hoyle state can be well described as a dilute gas-like state of 3 alpha particles. The paper is very well organized and several references can be found along the text. I think the manuscript is a valuable document for readers interested in the subject and therefore I recommend the publication of the manuscript in the SciPost Physics Proceedings.

  • validity: high
  • significance: high
  • originality: high
  • clarity: top
  • formatting: perfect
  • grammar: perfect

Anonymous Report 2 on 2019-12-3 (Invited Report)

  • Cite as: Anonymous, Report on arXiv:scipost_201911_00026v1, delivered 2019-12-03, doi: 10.21468/SciPost.Report.1358

Report

The manuscript presents a detailed discussion regarding the status of modern and sophisticated experiments aiming to investigate the structure of the 12C Hoyle state, which is a candidate for alpha-condensation. The main idea of such experiments is to measure with high precision the 3-alpha direct decay width arising from the break-up of 12C. The paper also gives an interesting overview about the theoretical models often employed to support the hypothesis that the 12C Hoyle state can be well described as a dilute gas-like state of 3 alpha particles. The paper is very well organized and several references can be found along the text. I think the manuscript is a valuable document for readers interested in the subject and therefore I recommend the publication of the manuscript in the SciPost Physics Proceedings.

  • validity: -
  • significance: -
  • originality: -
  • clarity: -
  • formatting: -
  • grammar: -

Anonymous Report 1 on 2019-12-3 (Invited Report)

  • Cite as: Anonymous, Report on arXiv:scipost_201911_00026v1, delivered 2019-12-03, doi: 10.21468/SciPost.Report.1357

Report

The manuscript presents a detailed discussion regarding the status of modern and sophisticated experiments aiming to investigate the structure of the 12C Hoyle state, which is a candidate for alpha-condensation. The main idea of such experiments is to measure with high precision the 3-alpha direct decay width arising from the break-up of 12C. The paper also gives an interesting overview about the theoretical models often employed to support the hypothesis that the 12C Hoyle state can be well described as a dilute gas-like state of 3 alpha particles. The paper is very well organized and several references can be found along the text. I think the manuscript is a valuable document for readers interested in the subject and therefore I recommend the publication of the manuscript in the SciPost Physics Proceedings.

  • validity: -
  • significance: -
  • originality: -
  • clarity: -
  • formatting: -
  • grammar: -

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