Photon Emission in a Cascade from Relativistic Protons Initiated by Residual Thermal Photons in Gamma-Ray Bursts

Asano Katsuaki; Takahara Fumio

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Photon Emission in a Cascade from Relativistic Protons Initiated by Residual Thermal Photons in Gamma-Ray Bursts

机译：相对热质子在伽马射线爆发中的残留热光子引发的级联中的光子发射。

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Gamma-rayburstsaregenerallyconsideredtobetheresultofinternalshocksgeneratedinaninhomogeneousrelativisticoutflowthatarisesfromafireball.Insuchshocks,theFermiaccelerationofprotonsisnaturallyexpectedtobeatleastasefficientasthatofelectrons.Weinvestigatetheconsequencesofprotonaccelerationintheresidualthermalphotonfieldofafireball,especiallythoseontheemissionspectraofphotons.Incontrasttomostotherstudies,wedonotinvokeadirectelectronaccelerationinshockwaves.Weshowthattheresidualradiationfieldofthefireballcanignitethephotopionproductionandsubsequentcascade,andthatthephotonsemittedinthisprocessfurtherenhancethephoton-initiatedcascade.WefindthatFermi-acceleratedprotonswith$$gtrsim10^{13},mathrm{eV}$$efficientlybringtheirenergyintopionproductionandsubsequentphotonemission.Theparticlescascadingfromthepionsemitphotonsoverawideenergyrange.Thephotonsemittedfromelectrona€“positronpairsdistributecontinuouslyfromtheGeVrangedowntotheX-rayrange,whilemuonscanemitgamma-raysbysynchrotronradiationwithabreakataround1a€“10MeV.WealsodiscussseveralradiationprocesseswhichmaypossiblyproduceabreakfeatureintheMeVrange,asobservedinadditiontomuonsynchrotronradiation.

机译：伽玛rayburstsaregenerallyconsideredtobetheresultofinternalshocksgeneratedinaninhomogeneousrelativisticoutflowthatarisesfromafireball.Insuchshocks，theFermiaccelerationofprotonsisnaturallyexpectedtobeatleastasefficientasthatofelectrons.Weinvestigatetheconsequencesofprotonaccelerationintheresidualthermalphotonfieldofafireball，especiallythoseontheemissionspectraofphotons.Incontrasttomostotherstudies，wedonotinvokeadirectelectronaccelerationinshockwaves.Weshowthattheresidualradiationfieldofthefireballcanignitethephotopionproductionandsubsequentcascade，andthatthephotonsemittedinthisprocessfurtherenhancethephoton-initiatedcascade.WefindthatFermi-acceleratedprotonswith $$ gtrsim10 ^ {13}，{mathrm电子伏特} $$ efficientlybringtheirenergyintopionproductionandsubsequentphotonemission.Theparticlescascadingfromthepionsemitphotonsoverawideenergyrange.Thephotonsemittedfromelectrona€“positronpairsdistributecontinuouslyfromtheGeVrangedowntotheX-rayrange，介子用同步辐射通过放射线辐射产生伽玛射线在第1轮“ 10MeV”中，我们还讨论了可能会在MeV范围内产生断裂特征的几种辐射过程，同时还要考虑到同步辐射的辐射。

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《PASJ: Publications of the Astronomical Society of Japan》 |2003年第2期|共页
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Asano Katsuaki; Takahara Fumio;
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1. Photon Emission in a Cascade from Relativistic Protons Initiated by Residual Thermal Photons in Gamma-Ray Bursts [J] . Asano Katsuaki, Takahara Fumio PASJ: Publications of the Astronomical Society of Japan . 2003,第2期

机译：相对热质子在伽马射线爆发中的残留热光子引发的级联中的光子发射。
2. Deceleration of a Relativistic, Photon-rich Shell: End of Preacceleration, Damping of Magnetohydrodynamic Turbulence, and the Emission Mechanism of Gamma-Ray Bursts [J] . Christopher Thompson1 The Astrophysical journal . 2008,第1期

机译：相对论，富光子壳的减速：预加速的结束，磁流体动力湍流的阻尼以及伽马射线爆裂的发射机理
3. Deceleration of a Relativistic, Photon-rich Shell: End of Preacceleration, Damping of Magnetohydrodynamic Turbulence, and the Emission Mechanism of Gamma-Ray Bursts [J] . Christopher Thompson1 The Astrophysical journal . 2008,第1期

机译：相对论，富光子壳的减速：预加速的结束，磁流体动力湍流的阻尼以及伽马射线爆裂的发射机理
4. Photon production in cascade initiated by relativistic protons [C] . Asano K, Takahara F Workshop on "Gamma-Ray Bursts in the Afterglow Era" . 2004

机译：通过相对论质子引发的级联的光子生产
5. A Search for Very High Energy Photons from Gamma-Ray Bursts with the High Altitude Water Cherenkov Observatory [D] . Rosenberg, Matthew M. 2019

机译：从高海拔水Cherenkov天文台搜索来自伽马射线爆发的非常高的能量光子
6. Controlling the Two-Photon-Induced Photon Cascade Emission in a Gd3+/Tb3+-Codoped Glass for Multicolor Display [O] . Mao-Hui Yuan, Hai-Hua Fan, Hui Li, -1

机译：控制用于多色显示的Gd3 + / Tb3 +掺杂玻璃中的双光子诱导光子级联发射
7. Photon Emission in a Cascade from Relativistic Protons Initiated by Residual Thermal Photons in Gamma-Ray Bursts [O] . Katsuaki Asano, Fumio Takahara 2003

机译：γ射线爆发中残余热光子引发的相对论质子级联中的光子发射

Photon Emission in a Cascade from Relativistic Protons Initiated by Residual Thermal Photons in Gamma-Ray Bursts

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