The importance of energy-differential cross sections highlighted in a benchmark for positronium formation in the Galaxy

D. G. Cocks; H. Chaudhary; J. R. Machacek

doi:10.1088/1742-6596/1412/15/152030

The importance of energy-differential cross sections highlighted in a benchmark for positronium formation in the Galaxy

D. G. Cocks^*, H. Chaudhary, J. R. Machacek

^*Corresponding author for this work

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

We detail a benchmark model aimed at improving the implementation of Monte Carlo codes for simulations of positrons propagating through interstellar media. The benchmark highlights the key features of cross sections sets which lead to major differences in astronomical observables. One of these is the energy-differentiation of the ionisation cross section. This leads us to call for improved cross section sets for all constituents of interstellar media.

Original language	English
Article number	152030
Journal	Journal of Physics: Conference Series
Volume	1412
Issue number	15
DOIs	https://doi.org/10.1088/1742-6596/1412/15/152030
Publication status	Published - 11 Jun 2020
Event	31st International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2019 - Deauville, France Duration: 23 Jul 2019 → 30 Jul 2019

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title = "The importance of energy-differential cross sections highlighted in a benchmark for positronium formation in the Galaxy",

abstract = "We detail a benchmark model aimed at improving the implementation of Monte Carlo codes for simulations of positrons propagating through interstellar media. The benchmark highlights the key features of cross sections sets which lead to major differences in astronomical observables. One of these is the energy-differentiation of the ionisation cross section. This leads us to call for improved cross section sets for all constituents of interstellar media.",

author = "Cocks, {D. G.} and H. Chaudhary and Machacek, {J. R.}",

note = "Publisher Copyright: {\textcopyright} 2020 Institute of Physics Publishing. All rights reserved.; 31st International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2019 ; Conference date: 23-07-2019 Through 30-07-2019",

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AU - Machacek, J. R.

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Y1 - 2020/6/11

N2 - We detail a benchmark model aimed at improving the implementation of Monte Carlo codes for simulations of positrons propagating through interstellar media. The benchmark highlights the key features of cross sections sets which lead to major differences in astronomical observables. One of these is the energy-differentiation of the ionisation cross section. This leads us to call for improved cross section sets for all constituents of interstellar media.

AB - We detail a benchmark model aimed at improving the implementation of Monte Carlo codes for simulations of positrons propagating through interstellar media. The benchmark highlights the key features of cross sections sets which lead to major differences in astronomical observables. One of these is the energy-differentiation of the ionisation cross section. This leads us to call for improved cross section sets for all constituents of interstellar media.

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DO - 10.1088/1742-6596/1412/15/152030

M3 - Conference article

SN - 1742-6588

VL - 1412

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

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T2 - 31st International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2019

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The importance of energy-differential cross sections highlighted in a benchmark for positronium formation in the Galaxy

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