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Note: A monoenergetic proton backlighter for the National Ignition Facility.

The Review of scientific instruments

Rygg JR, Zylstra AB, Séguin FH, LePape S, Bachmann B, Craxton RS, Garcia EM, Kong YZ, Gatu-Johnson M, Khan SF, Lahmann BJ, McKenty PW, Petrasso RD, Rinderknecht HG, Rosenberg MJ, Sayre DB, Sio HW.
PMID: 26628185
Rev Sci Instrum. 2015 Nov;86(11):116104. doi: 10.1063/1.4935581.

A monoenergetic, isotropic proton source suitable for proton radiography applications has been demonstrated at the National Ignition Facility (NIF). A deuterium and helium-3 gas-filled glass capsule was imploded with 39 kJ of laser energy from 24 of NIF's 192...

Impact of x-ray dose on the response of CR-39 to 1-5.5 MeV alphas.

The Review of scientific instruments

Rojas-Herrera J, Rinderknecht HG, Zylstra AB, Gatu Johnson M, Orozco D, Rosenberg MJ, Sio H, Seguin FH, Frenje JA, Li CK, Petrasso RD.
PMID: 25832223
Rev Sci Instrum. 2015 Mar;86(3):033501. doi: 10.1063/1.4913906.

The CR-39 nuclear track detector is used in many nuclear diagnostics fielded at inertial confinement fusion (ICF) facilities. Large x-ray fluences generated by ICF experiments may impact the CR-39 response to incident charged particles. To determine the impact of...

Empirical assessment of the detection efficiency of CR-39 at high proton fluence and a compact, proton detector for high-fluence applications.

The Review of scientific instruments

Rosenberg MJ, Séguin FH, Waugh CJ, Rinderknecht HG, Orozco D, Frenje JA, Johnson MG, Sio H, Zylstra AB, Sinenian N, Li CK, Petrasso RD, Glebov VY, Stoeckl C, Hohenberger M, Sangster TC, LePape S, Mackinnon AJ, Bionta RM, Landen OL, Zacharias RA, Kim Y, Herrmann HW, Kilkenny JD.
PMID: 24784597
Rev Sci Instrum. 2014 Apr;85(4):043302. doi: 10.1063/1.4870898.

CR-39 solid-state nuclear track detectors are widely used in physics and in many inertial confinement fusion (ICF) experiments, and under ideal conditions these detectors have 100% detection efficiency for ∼0.5-8 MeV protons. When the fluence of incident particles becomes...

Performance of high-convergence, layered DT implosions with extended-duration pulses at the National Ignition Facility.

Physical review letters

Smalyuk VA, Atherton LJ, Benedetti LR, Bionta R, Bleuel D, Bond E, Bradley DK, Caggiano J, Callahan DA, Casey DT, Celliers PM, Cerjan CJ, Clark D, Dewald EL, Dixit SN, Döppner T, Edgell DH, Edwards MJ, Frenje J, Gatu-Johnson M, Glebov VY, Glenn S, Glenzer SH, Grim G, Haan SW, Hammel BA, Hartouni EP, Hatarik R, Hatchett S, Hicks DG, Hsing WW, Izumi N, Jones OS, Key MH, Khan SF, Kilkenny JD, Kline JL, Knauer J, Kyrala GA, Landen OL, Le Pape S, Lindl JD, Ma T, MacGowan BJ, Mackinnon AJ, MacPhee AG, McNaney J, Meezan NB, Moody JD, Moore A, Moran M, Moses EI, Pak A, Parham T, Park HS, Patel PK, Petrasso R, Ralph JE, Regan SP, Remington BA, Robey HF, Ross JS, Spears BK, Springer PT, Suter LJ, Tommasini R, Town RP, Weber SV, Widmann K.
PMID: 24313493
Phys Rev Lett. 2013 Nov 22;111(21):215001. doi: 10.1103/PhysRevLett.111.215001. Epub 2013 Nov 19.

Radiation-driven, low-adiabat, cryogenic DT layered plastic capsule implosions were carried out on the National Ignition Facility (NIF) to study the sensitivity of performance to peak power and drive duration. An implosion with extended drive and at reduced peak power...

Time-resolved areal-density measurements with proton spectroscopy in spherical implosions.

Physical review letters

Smalyuk VA, Radha PB, Delettrez JA, Glebov VY, Goncharov VN, Meyerhofer DD, Regan SP, Roberts S, Sangster TC, Soures JM, Stoeckl C, Frenje JA, Li CK, Petrasso RD, Séguin FH.
PMID: 12689296
Phys Rev Lett. 2003 Apr 04;90(13):135002. doi: 10.1103/PhysRevLett.90.135002. Epub 2003 Apr 02.

The temporal history of the target areal-density near peak compression of direct-drive spherical target implosions has been inferred with 14.7-MeV deuterium-helium-3 D3He proton spectroscopy of the 60-beam, 30-kJ UV OMEGA laser system. The target areal-density grows by a factor...

High-rhoR implosions for fast-ignition fuel assembly.

Physical review letters

Zhou CD, Theobald W, Betti R, Radha PB, Smalyuk VA, Shvarts D, Glebov VY, Stoeckl C, Anderson KS, Meyerhofer DD, Sangster TC, Li CK, Petrasso RD, Frenje JA, Seguin FH.
PMID: 17358616
Phys Rev Lett. 2007 Jan 12;98(2):025004. doi: 10.1103/PhysRevLett.98.025004. Epub 2007 Jan 11.

Thick, 40 microm plastic shells filled with 25-35 atm of D2 or D3He were imploded on a low-adiabat (alpha approximately 1.3) and with a low-implosion velocity ( approximately 2 x 10(70 cm/s) on the OMEGA laser to generate massive...

Effects of nonuniform illumination on implosion asymmetry in direct-drive inertial confinement fusion.

Physical review letters

Li CK, Séguin FH, Frenje JA, Petrasso RD, Delettrez JA, McKenty PW, Sangster TC, Keck RL, Soures JM, Marshall FJ, Meyerhofer DD, Goncharov VN, Knauer JP, Radha PB, Regan SP, Seka W.
PMID: 15169359
Phys Rev Lett. 2004 May 21;92(20):205001. doi: 10.1103/PhysRevLett.92.205001. Epub 2004 May 19.

Target areal density (rhoR) asymmetries in OMEGA direct-drive spherical implosions are studied. The rms variation / for low-mode-number structure is approximately proportional to the rms variation of on-target laser intensity / with an amplification factor of approximately 1/2(C(r)-1), where...

Electron-ion thermal equilibration after spherical shock collapse.

Physical review. E, Statistical, nonlinear, and soft matter physics

Rygg JR, Frenje JA, Li CK, Séguin FH, Petrasso RD, Meyerhofer DD, Stoeckl C.
PMID: 19792264
Phys Rev E Stat Nonlin Soft Matter Phys. 2009 Aug;80(2):026403. doi: 10.1103/PhysRevE.80.026403. Epub 2009 Aug 25.

A comprehensive set of dual nuclear product observations provides a snapshot of imploding inertial confinement fusion capsules at the time of shock collapse, shortly before the final stages of compression. The collapse of strong convergent shocks at the center...

Lorentz mapping of magnetic fields in hot dense plasmas.

Physical review letters

Petrasso RD, Li CK, Seguin FH, Rygg JR, Frenje JA, Betti R, Knauer JP, Meyerhofer DD, Amendt PA, Froula DH, Landen OL, Patel PK, Ross JS, Town RP.
PMID: 19792731
Phys Rev Lett. 2009 Aug 21;103(8):085001. doi: 10.1103/PhysRevLett.103.085001. Epub 2009 Aug 17.

Unique detection of electromagnetic fields and identification of field type and strength as a function of position were used to determine the nature of self-generated fields in a novel experiment with laser-generated plasma bubbles on two sides of a...

Laser-driven magnetic-flux compression in high-energy-density plasmas.

Physical review letters

Gotchev OV, Chang PY, Knauer JP, Meyerhofer DD, Polomarov O, Frenje J, Li CK, Manuel MJ, Petrasso RD, Rygg JR, Séguin FH, Betti R.
PMID: 20366046
Phys Rev Lett. 2009 Nov 20;103(21):215004. doi: 10.1103/PhysRevLett.103.215004. Epub 2009 Nov 18.

The demonstration of magnetic field compression to many tens of megagauss in cylindrical implosions of inertial confinement fusion targets is reported for the first time. The OMEGA laser [T. R. Boehly, Opt. Commun. 133, 495 (1997)10.1016/S0030-4018(96)00325-2] was used to...

Upgrade of the MIT Linear Electrostatic Ion Accelerator (LEIA) for nuclear diagnostics development for Omega, Z and the NIF.

The Review of scientific instruments

Sinenian N, Manuel MJ, Zylstra AB, Rosenberg M, Waugh CJ, Rinderknecht HG, Casey DT, Sio H, Ruszczynski JK, Zhou L, Gatu Johnson M, Frenje JA, Séguin FH, Li CK, Petrasso RD, Ruiz CL, Leeper RJ.
PMID: 22559531
Rev Sci Instrum. 2012 Apr;83(4):043502. doi: 10.1063/1.3703315.

The MIT Linear Electrostatic Ion Accelerator (LEIA) generates DD and D(3)He fusion products for the development of nuclear diagnostics for Omega, Z, and the National Ignition Facility (NIF). Significant improvements to the system in recent years are presented. Fusion...

Impeding hohlraum plasma stagnation in inertial-confinement fusion.

Physical review letters

Li CK, Séguin FH, Frenje JA, Rosenberg MJ, Rinderknecht HG, Zylstra AB, Petrasso RD, Amendt PA, Landen OL, Mackinnon AJ, Town RP, Wilks SC, Betti R, Meyerhofer DD, Soures JM, Hund J, Kilkenny JD, Nikroo A.
PMID: 22324691
Phys Rev Lett. 2012 Jan 13;108(2):025001. doi: 10.1103/PhysRevLett.108.025001. Epub 2012 Jan 11.

This Letter reports the first time-gated proton radiography of the spatial structure and temporal evolution of how the fill gas compresses the wall blowoff, inhibits plasma jet formation, and impedes plasma stagnation in the hohlraum interior. The potential roles...

Showing 1 to 12 of 118 entries