OPTICS & PHOTONICS International Congress 2024

講演情報

HEDS2024 » Oral Presentation

Particle Acceleration 3

2024年4月25日(木) 15:35 〜 17:00 311+312 (Pacifico Yokohama Conference Center)

Session Chair: Natsumi Iwata (Osaka University)

16:00 〜 16:15

[HEDS10-02] Bright Gamma Flash Generation and Detection

*Alexander Pirozhkov1, A. Sagisaka1, K. Ogura1, T. Zh. Esirkepov1, B. Gonzalez Izquierdo1, E. A. Vishnyakov2, C. Armstrong3, T. A. Pikuz4,11, C. Arran5, S. A. Pikuz6, W. Yan7, T. M. Jeong2, S. Singh8, P. Hadjisolomou2, O. Finke2, G. Grittani2, M. Nevrkla2, C. Lazzarini2, A. Velyhan2, T. Hayakawa1, Y. Fukuda1, J. K. Koga1, M. Ishino1, Ko. Kondo1, Y. Miyasaka1, A. Kon1, M. Nishikino1, Y. V. Nosach9, D. Khikhlukha2, I. P. Tsygvintsev10, D. Kumar2, J. Nejdl2, P. V. Sasorov2, S. Weber2, D. Margarone2, Y. Kato11
, G. Korn2, H. Kiriyama1, K. Kondo1, C. Ridgers5, T. Kawachi1, M. Kando1, S. V. Bulanov2
(1. KPSI QST, 2. ELI-BL, 3. CLF RAL, 4. Osaka University, 5. University of York, 6. HB11 Energy Holdings, 7. Shanghai Jiao Tong University, 8. Institute of Plasma Physics ASCR, 9. Institute of Physics NASU, 10. ISTEQ AR, 11. Osaka University)

Gamma Flash is one of the most promising laser-plasma interaction regimes with predicted 30-40% conversion efficiency to γ rays. We generated γ-Flash with the J-KAREN-P laser. Here we describe achieving high on-target intensity (~1022 W/cm2), an experimental method to separate γ-Flash from Bremsstrahlung, and γ-Flash spectral shape reconstruction using scintillator stack spectrometer.

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