Real-Time Electron Solvation Induced by Bursts of Laser-Accelerated Protons in Liquid Water

A Prasselsperger; M Coughlan; N Breslin; M Yeung; C Arthur; H Donnelly; S White; M Afshari; M Speicher; R Yang; B Villagomez-Bernabe; F J Currell; J Schreiber; B Dromey

doi:10.1103/PhysRevLett.127.186001

Real-Time Electron Solvation Induced by Bursts of Laser-Accelerated Protons in Liquid Water

A Prasselsperger, M Coughlan, N Breslin, M Yeung, C Arthur, H Donnelly, S White, M Afshari, M Speicher, R Yang, B Villagomez-Bernabe, F J Currell, J Schreiber, B Dromey

School of Mathematics and Physics

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Abstract

Understanding the mechanisms of proton energy deposition in matter and subsequent damage formation is fundamental to radiation science. Here we exploit the picosecond (10^{-12} s) resolution of laser-driven accelerators to track ultrafast solvation dynamics for electrons due to proton radiolysis in liquid water (H_{2}O). Comparing these results with modeling that assumes initial conditions similar to those found in photolysis reveals that solvation time due to protons is extended by >20 ps. Supported by magnetohydrodynamic theory this indicates a highly dynamic phase in the immediate aftermath of the proton interaction that is not accounted for in current models.

Original language	English
Article number	186001
Number of pages	7
Journal	Physical Review Letters
Volume	127
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.127.186001
Publication status	Published - 29 Oct 2021

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Real-Time Electron Solvation Induced by Bursts of Laser-Accelerated Protons in Liquid Water
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Prasselsperger, A., Coughlan, M., Breslin, N., Yeung, M., Arthur, C., Donnelly, H., White, S., Afshari, M., Speicher, M., Yang, R., Villagomez-Bernabe, B., Currell, F. J., Schreiber, J., & Dromey, B. (2021). Real-Time Electron Solvation Induced by Bursts of Laser-Accelerated Protons in Liquid Water. Physical Review Letters, 127(18), Article 186001. https://doi.org/10.1103/PhysRevLett.127.186001

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title = "Real-Time Electron Solvation Induced by Bursts of Laser-Accelerated Protons in Liquid Water",

abstract = "Understanding the mechanisms of proton energy deposition in matter and subsequent damage formation is fundamental to radiation science. Here we exploit the picosecond (10^{-12} s) resolution of laser-driven accelerators to track ultrafast solvation dynamics for electrons due to proton radiolysis in liquid water (H_{2}O). Comparing these results with modeling that assumes initial conditions similar to those found in photolysis reveals that solvation time due to protons is extended by >20 ps. Supported by magnetohydrodynamic theory this indicates a highly dynamic phase in the immediate aftermath of the proton interaction that is not accounted for in current models.",

author = "A Prasselsperger and M Coughlan and N Breslin and M Yeung and C Arthur and H Donnelly and S White and M Afshari and M Speicher and R Yang and B Villagomez-Bernabe and Currell, {F J} and J Schreiber and B Dromey",

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Prasselsperger, A, Coughlan, M, Breslin, N, Yeung, M, Arthur, C, Donnelly, H, White, S, Afshari, M, Speicher, M, Yang, R, Villagomez-Bernabe, B, Currell, FJ, Schreiber, J & Dromey, B 2021, 'Real-Time Electron Solvation Induced by Bursts of Laser-Accelerated Protons in Liquid Water', Physical Review Letters, vol. 127, no. 18, 186001. https://doi.org/10.1103/PhysRevLett.127.186001

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T1 - Real-Time Electron Solvation Induced by Bursts of Laser-Accelerated Protons in Liquid Water

AU - Prasselsperger, A

AU - Coughlan, M

AU - Breslin, N

AU - Yeung, M

AU - Arthur, C

AU - Donnelly, H

AU - White, S

AU - Afshari, M

AU - Speicher, M

AU - Yang, R

AU - Villagomez-Bernabe, B

AU - Currell, F J

AU - Schreiber, J

AU - Dromey, B

PY - 2021/10/29

Y1 - 2021/10/29

N2 - Understanding the mechanisms of proton energy deposition in matter and subsequent damage formation is fundamental to radiation science. Here we exploit the picosecond (10^{-12} s) resolution of laser-driven accelerators to track ultrafast solvation dynamics for electrons due to proton radiolysis in liquid water (H_{2}O). Comparing these results with modeling that assumes initial conditions similar to those found in photolysis reveals that solvation time due to protons is extended by >20 ps. Supported by magnetohydrodynamic theory this indicates a highly dynamic phase in the immediate aftermath of the proton interaction that is not accounted for in current models.

AB - Understanding the mechanisms of proton energy deposition in matter and subsequent damage formation is fundamental to radiation science. Here we exploit the picosecond (10^{-12} s) resolution of laser-driven accelerators to track ultrafast solvation dynamics for electrons due to proton radiolysis in liquid water (H_{2}O). Comparing these results with modeling that assumes initial conditions similar to those found in photolysis reveals that solvation time due to protons is extended by >20 ps. Supported by magnetohydrodynamic theory this indicates a highly dynamic phase in the immediate aftermath of the proton interaction that is not accounted for in current models.

U2 - 10.1103/PhysRevLett.127.186001

DO - 10.1103/PhysRevLett.127.186001

M3 - Article

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SN - 0031-9007

VL - 127

JO - Physical Review Letters

JF - Physical Review Letters

IS - 18

M1 - 186001

ER -

Real-Time Electron Solvation Induced by Bursts of Laser-Accelerated Protons in Liquid Water

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