Sensitivity of the gamma-ray method for strong primordial magnetic fields

A. Korochkin; O. Kalashev; A. Neronov; D. Semikoz

doi:10.22323/1.395.0919

Sensitivity of the gamma-ray method for strong primordial magnetic fields

A. Korochkin, O. Kalashev, A. Neronov, D. Semikoz

Лаборатория космологии и физики элементарных частиц МЦФЭЧиАФФ

Результат исследования: Научные публикации в периодических изданиях › статья по материалам конференции › рецензирование

Аннотация

We study the sensitivity reach of the gamma-ray method for measurement of relatively strong cosmological magnetic field with strength in the 1-10 pG range using deep exposure of the nearest hard spectrum blazar Mrk 501 with CTA telescopes. We show that the gamma-ray measurement technique can sense the primordial magnetic field with a strength of up to 10^-11 G. Combination of the cosmic microwave background and gamma-ray constraints can thus sense the full range of possible cosmological magnetic fields to confirm or rule out their relevance to the problem of the origin of cosmic magnetic fields, as well as their influence on recombination and reionization epochs.

Язык оригинала	английский
Номер статьи	919
Журнал	Proceedings of Science
Том	395
DOI	https://doi.org/10.22323/1.395.0919
Состояние	Опубликовано - 18 мар. 2022
Событие	37th International Cosmic Ray Conference, ICRC 2021 - Virtual, Berlin, Германия Продолжительность: 12 июл. 2021 → 23 июл. 2021

Предметные области OECD FOS+WOS

1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ

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10.22323/1.395.0919

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abstract = "We study the sensitivity reach of the gamma-ray method for measurement of relatively strong cosmological magnetic field with strength in the 1-10 pG range using deep exposure of the nearest hard spectrum blazar Mrk 501 with CTA telescopes. We show that the gamma-ray measurement technique can sense the primordial magnetic field with a strength of up to 10-11 G. Combination of the cosmic microwave background and gamma-ray constraints can thus sense the full range of possible cosmological magnetic fields to confirm or rule out their relevance to the problem of the origin of cosmic magnetic fields, as well as their influence on recombination and reionization epochs.",

author = "A. Korochkin and O. Kalashev and A. Neronov and D. Semikoz",

note = "Funding Information: This work has been supported by the French National Research Agency (ANR) grant ANR-19-CE31-0020 and Russian Science Foundation grant 20-42-09010. Publisher Copyright: {\textcopyright} Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0); 37th International Cosmic Ray Conference, ICRC 2021 ; Conference date: 12-07-2021 Through 23-07-2021",

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Sensitivity of the gamma-ray method for strong primordial magnetic fields. / Korochkin, A.; Kalashev, O.; Neronov, A. и др.

В: Proceedings of Science, Том 395, 919, 18.03.2022.

Результат исследования: Научные публикации в периодических изданиях › статья по материалам конференции › рецензирование

TY - JOUR

T1 - Sensitivity of the gamma-ray method for strong primordial magnetic fields

AU - Korochkin, A.

AU - Kalashev, O.

AU - Neronov, A.

AU - Semikoz, D.

N1 - Funding Information: This work has been supported by the French National Research Agency (ANR) grant ANR-19-CE31-0020 and Russian Science Foundation grant 20-42-09010. Publisher Copyright: © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)

PY - 2022/3/18

Y1 - 2022/3/18

N2 - We study the sensitivity reach of the gamma-ray method for measurement of relatively strong cosmological magnetic field with strength in the 1-10 pG range using deep exposure of the nearest hard spectrum blazar Mrk 501 with CTA telescopes. We show that the gamma-ray measurement technique can sense the primordial magnetic field with a strength of up to 10-11 G. Combination of the cosmic microwave background and gamma-ray constraints can thus sense the full range of possible cosmological magnetic fields to confirm or rule out their relevance to the problem of the origin of cosmic magnetic fields, as well as their influence on recombination and reionization epochs.

AB - We study the sensitivity reach of the gamma-ray method for measurement of relatively strong cosmological magnetic field with strength in the 1-10 pG range using deep exposure of the nearest hard spectrum blazar Mrk 501 with CTA telescopes. We show that the gamma-ray measurement technique can sense the primordial magnetic field with a strength of up to 10-11 G. Combination of the cosmic microwave background and gamma-ray constraints can thus sense the full range of possible cosmological magnetic fields to confirm or rule out their relevance to the problem of the origin of cosmic magnetic fields, as well as their influence on recombination and reionization epochs.

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Y2 - 12 July 2021 through 23 July 2021

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