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Evidence of mini-jet emission in a large emission zone from a magnetically-dominated gamma-ray burst jet

Fuente: arXiv

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Dettagli Bibliografici
Autori principali:	Yi, S. -X., Wang, C. -W., Shao, X. -Y., Moradi, R., Gao, H., Zhang, B., Xiong, S. -L., Zhang, S. -N., Tan, W. -J., Liu, J. -C., Xue, W. -C., Zhang, Y. -Q., Zheng, C., Wang, Y., Zhang, P., An, Z. -H., Cai, C., Feng, P. -Y., Gong, K., Guo, D. -Y., Huang, Y., Li, B., Li, X. -B., Li, X. -Q., Liu, X. -J., Liu, Y. -Q., Ma, X., Peng, W. -X., Qiao, R., Song, L. -M., Wang, J., Wang, P., Wen, X. -Y., Xiao, S., Xu, Y. -B., Yang, S., Yi, Q. -B., Zhang, D. -L., Zhang, F., Zhang, H. -M., Zhang, J. -P., Zhang, Z., Zhao, X. -Y., Zhao, Y., Zheng, S. -J.
Natura:	Preprint
Pubblicazione:	2023
Soggetti:	High Energy Astrophysical Phenomena
Accesso online:	Acceder al recurso
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_version_	1866917993257107456
author	Yi, S. -X. Wang, C. -W. Shao, X. -Y. Moradi, R. Gao, H. Zhang, B. Xiong, S. -L. Zhang, S. -N. Tan, W. -J. Liu, J. -C. Xue, W. -C. Zhang, Y. -Q. Zheng, C. Wang, Y. Zhang, P. An, Z. -H. Cai, C. Feng, P. -Y. Gong, K. Guo, D. -Y. Huang, Y. Li, B. Li, X. -B. Li, X. -Q. Liu, X. -J. Liu, Y. -Q. Ma, X. Peng, W. -X. Qiao, R. Song, L. -M. Wang, J. Wang, P. Wang, Y. Wen, X. -Y. Xiao, S. Xu, Y. -B. Yang, S. Yi, Q. -B. Zhang, D. -L. Zhang, F. Zhang, H. -M. Zhang, J. -P. Zhang, Z. Zhao, X. -Y. Zhao, Y. Zheng, S. -J.
author_facet	Yi, S. -X. Wang, C. -W. Shao, X. -Y. Moradi, R. Gao, H. Zhang, B. Xiong, S. -L. Zhang, S. -N. Tan, W. -J. Liu, J. -C. Xue, W. -C. Zhang, Y. -Q. Zheng, C. Wang, Y. Zhang, P. An, Z. -H. Cai, C. Feng, P. -Y. Gong, K. Guo, D. -Y. Huang, Y. Li, B. Li, X. -B. Li, X. -Q. Liu, X. -J. Liu, Y. -Q. Ma, X. Peng, W. -X. Qiao, R. Song, L. -M. Wang, J. Wang, P. Wang, Y. Wen, X. -Y. Xiao, S. Xu, Y. -B. Yang, S. Yi, Q. -B. Zhang, D. -L. Zhang, F. Zhang, H. -M. Zhang, J. -P. Zhang, Z. Zhao, X. -Y. Zhao, Y. Zheng, S. -J.
contents	The second brightest GRB in history, GRB230307A, provides an ideal laboratory to study the mechanism of GRB prompt emission thanks to its extraordinarily high photon statistics and its single episode activity. Here we demonstrate that the rapidly variable components of its prompt emission compose an overall broad single pulse-like profile. Although these individual rapid components are aligned in time across all energy bands, this overall profile conspires to show a well-defined energy-dependent behavior which is typically seen in single GRB pulses. Such a feature demonstrates that the prompt emission of this burst is from many individual emitting units that are casually linked in a emission site at a large distance from the central engine. Such a scenario is in natural consistency with the internal-collision-induced magnetic reconnection and turbulence framework, which invokes many mini-jets due to local magnetic reconnection that constantly appear and disappear in a global magnetically-dominated jet.
format	Preprint
id	arxiv_https___arxiv_org_abs_2310_07205
institution	arXiv
publishDate	2023
record_format	arxiv
spellingShingle	Evidence of mini-jet emission in a large emission zone from a magnetically-dominated gamma-ray burst jet Yi, S. -X. Wang, C. -W. Shao, X. -Y. Moradi, R. Gao, H. Zhang, B. Xiong, S. -L. Zhang, S. -N. Tan, W. -J. Liu, J. -C. Xue, W. -C. Zhang, Y. -Q. Zheng, C. Wang, Y. Zhang, P. An, Z. -H. Cai, C. Feng, P. -Y. Gong, K. Guo, D. -Y. Huang, Y. Li, B. Li, X. -B. Li, X. -Q. Liu, X. -J. Liu, Y. -Q. Ma, X. Peng, W. -X. Qiao, R. Song, L. -M. Wang, J. Wang, P. Wang, Y. Wen, X. -Y. Xiao, S. Xu, Y. -B. Yang, S. Yi, Q. -B. Zhang, D. -L. Zhang, F. Zhang, H. -M. Zhang, J. -P. Zhang, Z. Zhao, X. -Y. Zhao, Y. Zheng, S. -J. High Energy Astrophysical Phenomena The second brightest GRB in history, GRB230307A, provides an ideal laboratory to study the mechanism of GRB prompt emission thanks to its extraordinarily high photon statistics and its single episode activity. Here we demonstrate that the rapidly variable components of its prompt emission compose an overall broad single pulse-like profile. Although these individual rapid components are aligned in time across all energy bands, this overall profile conspires to show a well-defined energy-dependent behavior which is typically seen in single GRB pulses. Such a feature demonstrates that the prompt emission of this burst is from many individual emitting units that are casually linked in a emission site at a large distance from the central engine. Such a scenario is in natural consistency with the internal-collision-induced magnetic reconnection and turbulence framework, which invokes many mini-jets due to local magnetic reconnection that constantly appear and disappear in a global magnetically-dominated jet.
title	Evidence of mini-jet emission in a large emission zone from a magnetically-dominated gamma-ray burst jet
topic	High Energy Astrophysical Phenomena
url	https://arxiv.org/abs/2310.07205