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Showing 1 to 12 of 242 entries
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Extended Hückel method calculation of polarization energies: the case of a benzene dimer.

The journal of physical chemistry. A

Tromer RM, Freire JA.
PMID: 24303942
J Phys Chem A. 2013 Dec 27;117(51):14276-81. doi: 10.1021/jp410311v. Epub 2013 Dec 16.

We adapted Hoffmann's extended Hückel method to an interacting molecular system and use this approach to compute the electron affinity and ionization potential of benzene dimers. We restrict the added charge to one of the molecules and argue that...

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...

Relaxation time in disordered molecular systems.

The Journal of chemical physics

Rocha RP, Freire JA.
PMID: 26026436
J Chem Phys. 2015 May 28;142(20):204109. doi: 10.1063/1.4921691.

Relaxation time is the typical time it takes for a closed physical system to attain thermal equilibrium. The equilibrium is brought about by the action of a thermal reservoir inducing changes in the system micro-states. The relaxation time is...

Improved Performance of High Areal Density Indirect Drive Implosions at the National Ignition Facility using a Four-Shock Adiabat Shaped Drive.

Physical review letters

Casey DT, Milovich JL, Smalyuk VA, Clark DS, Robey HF, Pak A, MacPhee AG, Baker KL, Weber CR, Ma T, Park HS, Döppner T, Callahan DA, Haan SW, Patel PK, Peterson JL, Hoover D, Nikroo A, Yeamans CB, Merrill FE, Volegov PL, Fittinghoff DN, Grim GP, Edwards MJ, Landen OL, Lafortune KN, MacGowan BJ, Widmayer CC, Sayre DB, Hatarik R, Bond EJ, Nagel SR, Benedetti LR, Izumi N, Khan S, Bachmann B, Spears BK, Cerjan CJ, Gatu Johnson M, Frenje JA.
PMID: 26382681
Phys Rev Lett. 2015 Sep 04;115(10):105001. doi: 10.1103/PhysRevLett.115.105001. Epub 2015 Sep 01.

Hydrodynamic instabilities can cause capsule defects and other perturbations to grow and degrade implosion performance in ignition experiments at the National Ignition Facility (NIF). Here, we show the first experimental demonstration that a strong unsupported first shock in indirect...

The mitosis-differentiation checkpoint, another guardian of the epidermal genome.

Molecular & cellular oncology

Gandarillas A, Molinuevo R, Freije A, Alonso-Lecue P.
PMID: 27308487
Mol Cell Oncol. 2015 Jan 21;2(3):e997127. doi: 10.1080/23723556.2014.997127. eCollection 2015.

The role of p53, the original "guardian of the genome", in skin has remained elusive. We have explored p53 function in human epidermal cells and demonstrated the importance of a mitosis-differentiation checkpoint to suppress potentially precancerous cells. This model...

Thin shell, high velocity inertial confinement fusion implosions on the national ignition facility.

Physical review letters

Ma T, Hurricane OA, Callahan DA, Barrios MA, Casey DT, Dewald EL, Dittrich TR, Döppner T, Haan SW, Hinkel DE, Berzak Hopkins LF, Le Pape S, MacPhee AG, Pak A, Park HS, Patel PK, Remington BA, Robey HF, Salmonson JD, Springer PT, Tommasini R, Benedetti LR, Bionta R, Bond E, Bradley DK, Caggiano J, Celliers P, Cerjan CJ, Church JA, Dixit S, Dylla-Spears R, Edgell D, Edwards MJ, Field J, Fittinghoff DN, Frenje JA, Gatu Johnson M, Grim G, Guler N, Hatarik R, Herrmann HW, Hsing WW, Izumi N, Jones OS, Khan SF, Kilkenny JD, Knauer J, Kohut T, Kozioziemski B, Kritcher A, Kyrala G, Landen OL, MacGowan BJ, Mackinnon AJ, Meezan NB, Merrill FE, Moody JD, Nagel SR, Nikroo A, Parham T, Ralph JE, Rosen MD, Rygg JR, Sater J, Sayre D, Schneider MB, Shaughnessy D, Spears BK, Town RP, Volegov PL, Wan A, Widmann K, Wilde CH, Yeamans C.
PMID: 25910132
Phys Rev Lett. 2015 Apr 10;114(14):145004. doi: 10.1103/PhysRevLett.114.145004. Epub 2015 Apr 06.

Experiments have recently been conducted at the National Ignition Facility utilizing inertial confinement fusion capsule ablators that are 175 and 165  μm in thickness, 10% and 15% thinner, respectively, than the nominal thickness capsule used throughout the high foot...

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...

Characteristics of patients initiated on the new antiepileptic drugs: a PADS study.

Epilepsy & behavior : E&B

Wang DY, French JA, Glosser G, Fix A.
PMID: 12609267
Epilepsy Behav. 2002 Oct;3(5):448-454. doi: 10.1016/s1525-5050(02)00518-8.

Whereas randomized controlled trials remain a standard for evaluating and comparing efficacy and safety of the new antiepileptic drugs (AEDs), postmarketing drug research offers a useful means of comparing efficacy and safety of new AEDs. However, differences in baseline...

Is refractory epilepsy preventable?.

Epilepsia

Arroyo S, Brodie MJ, Avanzini G, Baumgartner C, Chiron C, Dulac O, French JA, Serratosa JM.
PMID: 11952776
Epilepsia. 2002 Apr;43(4):437-44. doi: 10.1046/j.1528-1157.2002.38501.x.

About a third of the patients diagnosed with epilepsy will not be fully controlled with antiepileptic drugs (AEDs), and many of them will have frequent and disabling seizures. These patients will undergo multiple drug trials, most often without complete...

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...

Showing 1 to 12 of 242 entries