Measuring the absolute deuterium-tritium neutron yield using the magnetic recoil spectrometer at OMEGA and the NIF

被引：32

作者：

Casey, D. T. ^{[1
]}

Frenje, J. A. ^{[1
]}

Johnson, M. Gatu ^{[1
]}

Seguin, F. H. ^{[1
]}

Li, C. K. ^{[1
]}

Petrasso, R. D. ^{[1
]}

Glebov, V. Yu. ^{[2
]}

Katz, J. ^{[2
]}

Knauer, J. P. ^{[2
]}

Meyerhofer, D. D. ^{[2
,3
]}

Sangster, T. C. ^{[2
]}

Bionta, R. M. ^{[4
]}

Bleuel, D. L. ^{[4
]}

Doeppner, T. ^{[4
]}

Glenzer, S. ^{[4
]}

Hartouni, E. ^{[4
]}

Hatchett, S. P. ^{[4
]}

Le Pape, S. ^{[4
]}

Ma, T. ^{[4
]}

MacKinnon, A. ^{[4
]}

Mckernan, M. A. ^{[4
]}

Moran, M. ^{[4
]}

Moses, E. ^{[4
]}

Park, H. -S. ^{[4
]}

Ralph, J. ^{[4
]}

Remington, B. A. ^{[4
]}

Smalyuk, V. ^{[4
]}

Yeamans, C. B. ^{[4
]}

Kline, J. ^{[5
]}

Kyrala, G. ^{[5
]}

Chandler, G. A. ^{[6
]}

Leeper, R. J. ^{[6
]}

Ruiz, C. L. ^{[6
]}

Cooper, G. W. ^{[7
]}

Nelson, A. J. ^{[7
]}

Fletcher, K. ^{[8
]}

Kilkenny, J. ^{[9
]}

Farrell, M. ^{[9
]}

Jasion, D. ^{[9
]}

Paguio, R. ^{[9
]}

机构：

[1] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA

[2] Univ Rochester, Laser Energet Lab, Rochester, NY 14623 USA

[3] Univ Rochester, Dept Mech Engn, Rochester, NY 14623 USA

[4] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[5] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[6] Sandia Natl Labs, Albuquerque, NM 87185 USA

[7] Univ New Mexico, Albuquerque, NM 87131 USA

[8] SUNY Coll Geneseo, Geneseo, NY 14454 USA

[9] Gen Atom Co, San Diego, CA 92186 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2012年 / 83卷 / 10期

关键词：

D O I：

10.1063/1.4738657

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A magnetic recoil spectrometer (MRS) has been installed and extensively used on OMEGA and the National Ignition Facility (NIF) for measurements of the absolute neutron spectrum from inertial confinement fusion implosions. From the neutron spectrum measured with the MRS, many critical implosion parameters are determined including the primary DT neutron yield, the ion temperature, and the down-scattered neutron yield. As the MRS detection efficiency is determined from first principles, the absolute DT neutron yield is obtained without cross-calibration to other techniques. The MRS primary DT neutron measurements at OMEGA and the NIF are shown to be in excellent agreement with previously established yield diagnostics on OMEGA, and with the newly commissioned nuclear activation diagnostics on the NIF. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4738657]

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