Show simple item record

dc.contributor.authorKnauer, J. P.
dc.contributor.authorCerjan, C. J.
dc.contributor.authorEckart, M. J.
dc.contributor.authorGrim, G. P.
dc.contributor.authorHartouni, E. P.
dc.contributor.authorHatarik, R.
dc.contributor.authorKilkenny, J. D.
dc.contributor.authorMunro, D. H.
dc.contributor.authorSayre, D. B.
dc.contributor.authorSpears, B. K.
dc.contributor.authorBionta, R. M.
dc.contributor.authorBond, E. J.
dc.contributor.authorCaggiano, J. A.
dc.contributor.authorCallahan, D.
dc.contributor.authorCasey, D. T.
dc.contributor.authorDöppner, T.
dc.contributor.authorGlebov, V. Yu.
dc.contributor.authorHurricane, O.
dc.contributor.authorKritcher, A.
dc.contributor.authorLePape, S.
dc.contributor.authorMa, T.
dc.contributor.authorMackinnon, A.
dc.contributor.authorMeezan, N.
dc.contributor.authorPatel, P.
dc.contributor.authorRalph, J. E.
dc.contributor.authorSpringer, P. T.
dc.contributor.authorYeamans, C. B.
dc.contributor.authorGatu Johnson, Maria
dc.contributor.authorFrenje, Johan A
dc.contributor.authorPetrasso, Richard D
dc.date.accessioned2017-03-24T19:07:53Z
dc.date.available2017-03-24T19:07:53Z
dc.date.issued2016-08
dc.date.submitted2016-02
dc.identifier.issn2470-0045
dc.identifier.issn2470-0053
dc.identifier.urihttp://hdl.handle.net/1721.1/107698
dc.description.abstractAn accurate understanding of burn dynamics in implosions of cryogenically layered deuterium (D) and tritium (T) filled capsules, obtained partly through precision diagnosis of these experiments, is essential for assessing the impediments to achieving ignition at the National Ignition Facility. We present measurements of neutrons from such implosions. The apparent ion temperatures T[subscript ion] are inferred from the variance of the primary neutron spectrum. Consistently higher DT than DD T[subscript ion] are observed and the difference is seen to increase with increasing apparent DT T[subscript ion]. The line-of-sight rms variations of both DD and DT T[subscript ion] are small, ∼ 150 eV, indicating an isotropic source. The DD neutron yields are consistently high relative to the DT neutron yields given the observed T[subscript ion]. Spatial and temporal variations of the DT temperature and density, DD-DT differential attenuation in the surrounding DT fuel, and fluid motion variations contribute to a DT T[subscript ion] greater than the DD T[subscript ion], but are in a one-dimensional model insufficient to explain the data. We hypothesize that in a three-dimensional interpretation, these effects combined could explain the results.en_US
dc.description.sponsorshipLawrence Livermore National Laboratory (Contract No. DE-AC52- 07NA27344)en_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1103/PhysRevE.94.021202en_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.sourceAmerican Physical Societyen_US
dc.titleIndications of flow near maximum compression in layered deuterium-tritium implosions at the National Ignition Facilityen_US
dc.typeArticleen_US
dc.identifier.citationGatu Johnson, M. et al. “Indications of Flow near Maximum Compression in Layered Deuterium-Tritium Implosions at the National Ignition Facility.” Physical Review E 94.2 (2016): n. pag. © 2016 American Physical Societyen_US
dc.contributor.departmentMassachusetts Institute of Technology. Plasma Science and Fusion Centeren_US
dc.contributor.mitauthorGatu Johnson, Maria
dc.contributor.mitauthorFrenje, Johan A
dc.contributor.mitauthorPetrasso, Richard D
dc.relation.journalPhysical Review Een_US
dc.eprint.versionFinal published versionen_US
dc.type.urihttp://purl.org/eprint/type/JournalArticleen_US
eprint.statushttp://purl.org/eprint/status/PeerRevieweden_US
dc.date.updated2016-08-15T22:00:03Z
dc.language.rfc3066en
dc.rights.holderAmerican Physical Society
dspace.orderedauthorsGatu Johnson, M.; Knauer, J. P.; Cerjan, C. J.; Eckart, M. J.; Grim, G. P.; Hartouni, E. P.; Hatarik, R.; Kilkenny, J. D.; Munro, D. H.; Sayre, D. B.; Spears, B. K.; Bionta, R. M.; Bond, E. J.; Caggiano, J. A.; Callahan, D.; Casey, D. T.; Döppner, T.; Frenje, J. A.; Glebov, V. Yu.; Hurricane, O.; Kritcher, A.; LePape, S.; Ma, T.; Mackinnon, A.; Meezan, N.; Patel, P.; Petrasso, R. D.; Ralph, J. E.; Springer, P. T.; Yeamans, C. B.en_US
dspace.embargo.termsNen_US
dc.identifier.orcidhttps://orcid.org/0000-0002-1020-3501
mit.licensePUBLISHER_POLICYen_US


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record