review detailed level dependent H2 rates in this paper (trac #262)

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reported by: @CloudyLex

Non-thermal photons and H$_2$ formation in the early Universe (article)
Author
{Coppola}, C.~M. and {Galli}, D. and {Palla}, F. and {Longo}, S. and {Chluba}, J.
Journal
\mnras
Year
2013
Month
June
Keywords
molecular processes, early Universe
Abstract
The cosmological recombination of H and He at z ~= 103 and the formation 
of H2 during the dark ages produce a non-thermal photon excess in the Wien 
tail of the cosmic microwave background blackbody spectrum. Here, we 
compute the effect of these photons on the H- photodetachment and 
H_2^+ photodissociation processes. We discuss the implications for the 
chemical evolution of the Universe in the post-recombination epoch, 
emphasizing how important a detailed account of the full vibrational 
manifold of H2 and H_2^+ in the chemical network is. We find that the 
final abundances of H2, H_2^+, H_3^+ and HD are significantly smaller 
than in previous calculations that neglected the effect of non-thermal 
photons. The suppression is mainly caused by extra hydrogen 
recombination photons and could affect the formation rate of first stars. 
We provide simple analytical approximations for the relevant rate coefficients 
and briefly discuss the additional effect of dark matter annihilation on 
the considered reaction rates.

Adsnote
Provided by the SAO/NASA Astrophysics Data System
Adsurl
http://adsabs.harvard.edu/abs/2013MNRAS.tmp.1616C

Migrated from https://www.nublado.org/ticket/262

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    "status": "new",
    "changetime": "2019-02-04T13:07:06Z",
    "_ts": "1549285626580696",
    "description": "{{{\nNon-thermal photons and H$_2$ formation in the early Universe (article)\nAuthor\n{Coppola}, C.~M. and {Galli}, D. and {Palla}, F. and {Longo}, S. and {Chluba}, J.\nJournal\n\\mnras\nYear\n2013\nMonth\nJune\nKeywords\nmolecular processes, early Universe\nAbstract\nThe cosmological recombination of H and He at z ~= 103 and the formation \nof H2 during the dark ages produce a non-thermal photon excess in the Wien \ntail of the cosmic microwave background blackbody spectrum. Here, we \ncompute the effect of these photons on the H- photodetachment and \nH_2^+ photodissociation processes. We discuss the implications for the \nchemical evolution of the Universe in the post-recombination epoch, \nemphasizing how important a detailed account of the full vibrational \nmanifold of H2 and H_2^+ in the chemical network is. We find that the \nfinal abundances of H2, H_2^+, H_3^+ and HD are significantly smaller \nthan in previous calculations that neglected the effect of non-thermal \nphotons. The suppression is mainly caused by extra hydrogen \nrecombination photons and could affect the formation rate of first stars. \nWe provide simple analytical approximations for the relevant rate coefficients \nand briefly discuss the additional effect of dark matter annihilation on \nthe considered reaction rates.\n\nAdsnote\nProvided by the SAO/NASA Astrophysics Data System\nAdsurl\nhttp://adsabs.harvard.edu/abs/2013MNRAS.tmp.1616C\n}}}",
    "reporter": "gary",
    "cc": "",
    "resolution": "",
    "time": "2013-07-02T13:48:36Z",
    "component": "atomic/molecular data base",
    "summary": "review detailed level dependent H2 rates in this paper",
    "priority": "good to do",
    "keywords": "",
    "version": "trunk",
    "milestone": "no milestone",
    "owner": "nobody",
    "type": "enhancement"
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[cloudy-bot]

@CloudyLex changed description from:

Author
{Coppola}, C.~M. and {Galli}, D. and {Palla}, F. and {Longo}, S. and {Chluba}, J.
Journal
\mnras
Year
2013
Month
June
Keywords
molecular processes, early Universe
Abstract
The cosmological recombination of H and He at z ~= 103 and the formation 
of H2 during the dark ages produce a non-thermal photon excess in the Wien 
tail of the cosmic microwave background blackbody spectrum. Here, we 
compute the effect of these photons on the H- photodetachment and 
H_2^+ photodissociation processes. We discuss the implications for the 
chemical evolution of the Universe in the post-recombination epoch, 
emphasizing how important a detailed account of the full vibrational 
manifold of H2 and H_2^+ in the chemical network is. We find that the 
final abundances of H2, H_2^+, H_3^+ and HD are significantly smaller 
than in previous calculations that neglected the effect of non-thermal 
photons. The suppression is mainly caused by extra hydrogen 
recombination photons and could affect the formation rate of first stars. 
We provide simple analytical approximations for the relevant rate coefficients 
and briefly discuss the additional effect of dark matter annihilation on 
the considered reaction rates.

Adsnote
Provided by the SAO/NASA Astrophysics Data System
Adsurl
http://adsabs.harvard.edu/abs/2013MNRAS.tmp.1616C

to:

Non-thermal photons and H$_2$ formation in the early Universe (article)
Author
{Coppola}, C.~M. and {Galli}, D. and {Palla}, F. and {Longo}, S. and {Chluba}, J.
Journal
\mnras
Year
2013
Month
June
Keywords
molecular processes, early Universe
Abstract
The cosmological recombination of H and He at z ~= 103 and the formation 
of H2 during the dark ages produce a non-thermal photon excess in the Wien 
tail of the cosmic microwave background blackbody spectrum. Here, we 
compute the effect of these photons on the H- photodetachment and 
H_2^+ photodissociation processes. We discuss the implications for the 
chemical evolution of the Universe in the post-recombination epoch, 
emphasizing how important a detailed account of the full vibrational 
manifold of H2 and H_2^+ in the chemical network is. We find that the 
final abundances of H2, H_2^+, H_3^+ and HD are significantly smaller 
than in previous calculations that neglected the effect of non-thermal 
photons. The suppression is mainly caused by extra hydrogen 
recombination photons and could affect the formation rate of first stars. 
We provide simple analytical approximations for the relevant rate coefficients 
and briefly discuss the additional effect of dark matter annihilation on 
the considered reaction rates.

Adsnote
Provided by the SAO/NASA Astrophysics Data System
Adsurl
http://adsabs.harvard.edu/abs/2013MNRAS.tmp.1616C

[cloudy-bot]

@peter-van-hoof-noaccount changed milestone from "" to "no milestone"