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Title: Measurement of charged-particle stopping in warm-dense plasma

Journal Article · · Physical Review Letters
 [1];  [1];  [2];  [1];  [3];  [4];  [5];  [3];  [6];  [7];  [1];  [8];  [4];  [3];  [1];  [1]
  1. MIT (Massachusetts Inst. of Technology), Cambridge, MA (United States)
  2. Univ. of California Irvine, Irvine, CA (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  4. General Atomics, San Diego, CA (United States)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  6. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  7. Univ. of Rochester, NY (United States)
  8. Univ. of Michigan, Ann Arbor, MI (United States)

We measured the stopping of energetic protons in an isochorically-heated solid-density Be plasma with an electron temperature of ~32 eV, corresponding to moderately-coupled [(e²/a/(kBTe + EF ) ~ 0.3] and moderately-degenerate [kBTe/EF ~2] 'warm dense matter' (WDM) conditions. We present the first high-accuracy measurements of charged-particle energy loss through dense plasma, which shows an increased loss relative to cold matter, consistent with a reduced mean ionization potential. The data agree with stopping models based on an ad-hoc treatment of free and bound electrons, as well as the average-atom local-density approximation; this work is the first test of these theories in WDM plasma.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0001857; NA0002035; FC52-08NA28752; B597367; 415935- G
OSTI ID:
1183038
Alternate ID(s):
OSTI ID: 1183226
Journal Information:
Physical Review Letters, Vol. 114, Issue 21; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 106 works
Citation information provided by
Web of Science

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Cited By (24)

Stopping of Deuterium in Warm Dense Deuterium from Ehrenfest Time-Dependent Density Functional Theory: Stopping of Deuterium in Warm Dense Deuterium from Ehrenfest Time-Dependent Density Functional Theory journal June 2016
Stopping power of an electron gas: The sum rule approach journal June 2019
Dipole and generalized oscillator strength derived electronic properties of an endohedral hydrogen atom embedded in a Debye-Hückel plasma journal September 2018
Analytical estimates of proton acceleration in laser-produced turbulent plasmas journal November 2018
A strong diffusive ion mode in dense ionized matter predicted by Langevin dynamics journal January 2017
Experimental discrimination of ion stopping models near the Bragg peak in highly ionized matter journal June 2017
Experimental evidence for the enhanced and reduced stopping regimes for protons propagating through hot plasmas journal October 2018
Anomalous material-dependent transport of focused, laser-driven proton beams journal December 2018
Visualization of expanding warm dense gold and diamond heated rapidly by laser-generated ion beams journal September 2015
Reaction-in-flight neutrons as a test of stopping power in degenerate plasmas journal August 2015
Pseudomagnetic field modulation of stopping power for a charged particle moving above graphene journal July 2018
The correlation effects on the wake field and stopping power for two ion-beam pulses moving in a background plasma journal September 2018
Energy loss of Fe ions in He plasmas at different thermodynamic states journal September 2018
Effects of Coulomb coupling on stopping power and a link to macroscopic transport journal August 2019
On alpha-particle transport in inertial fusion journal June 2019
Modified parameterization of the Li-Petrasso charged-particle stopping power theory journal December 2019
Exploring the crossover between high-energy-density plasma and ultracold neutral plasma physics journal October 2019
Modeling hydrodynamics, magnetic fields, and synthetic radiographs for high-energy-density plasma flows in shock-shear targets journal January 2020
Dynamic high energy density plasma environments at the National Ignition Facility for nuclear science research journal February 2018
Dipole sum rules of a hydrogen atom in a Debye-Hückel plasma journal August 2019
Analytical Estimates of Proton Acceleration in Laser-produced Turbulent Plasmas image January 2018
Analytical Estimates of Proton Acceleration in Laser-produced Turbulent Plasmas image January 2018
Reaction-in-Flight Neutrons as a Test of Stopping Power in Degenerate Plasmas text January 2014
First-Principles Determination of Electron-Ion Couplings in the Warm Dense Matter Regime text January 2019