| Project/Area Number |
26287056
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (B)
|
| Allocation Type | Partial Multi-year Fund |
|---|
| Section | 一般 |
|---|
| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
|
|---|
| Research Institution | Institute of Physical and Chemical Research |
|---|
Principal Investigator |
Nagataki Shigehiro 国立研究開発法人理化学研究所, 長瀧天体ビッグバン研究室, 准主任研究員 (60359643)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
水田 晃 国立研究開発法人理化学研究所, 戎崎計算宇宙物理研究室, 研究員 (90402817)
|
|---|
| Co-Investigator(Renkei-kenkyūsha) |
ITO Hirotaka 国立研究開発法人理化学研究所, 長瀧天体ビッグバン研究室, 特別研究員 (30434278)
MATSUMOTO Jin 国立研究開発法人理化学研究所, 長瀧天体ビッグバン研究室, 基礎科学特別研究員 (70722247)
|
|---|
| Project Period (FY) |
2014-04-01 – 2017-03-31
|
| Project Status |
Completed (Fiscal Year 2016)
|
| Budget Amount *help |
¥15,210,000 (Direct Cost: ¥11,700,000、Indirect Cost: ¥3,510,000)
Fiscal Year 2016: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2015: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2014: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
|
|---|
| Keywords | ガンマ線バースト / ブラックホール / 輻射輸送 / 超新星 / 相対論的ジェット / ニュートリノ / 状態方程式 / アインシュタイン方程式 / 数値シミュレーション |
|---|
| Outline of Final Research Achievements |
We have developed a 3-dimensional relativistic magneto-hydro code. Using the code, we have performed simulations of a relativistic jet that is penetrating through its progenitor star. Using the results, we calculated radiation transfer in gamma-ray band. Using our results, we discussed the observed polarization by IKAROS sattellite (Japanese one). Also, we reproduced the observed spectrum of gamma-ray bursts. In fiscal year 2017, we are going to release our very important result which is explaining observations of gamma-ray bursts very well. Due to our results, we believe that we have obtained the evidence that the photospheric emission mechanism is the one for prompt emission of gamma-ray bursts.
|
