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ＣＲＣ会員 各位
                                                 ＣＲＣ事務局  宇宙線研支部

*****＜ First Circular: "Deciphering the Ancient Universe with GRB" ＞*****

CRC の皆様、

来年4月に京都で開催する「ガンマ線バーストで読み解く太古の宇宙」
をテーマとする国際会議のお知らせです。
多くの方の参加をお待ちしております。

                            世話人代表  河合誠之, 長滝重博

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  Deciphering the Ancient Universe with Gamma-Ray Bursts

              19-23 April 2010, Kyoto, Japan

        http://www-tap.scphys.kyoto-u.ac.jp/GRB2010/

============================================================

First Circular

Gamma-ray bursts (GRBs) are the most luminous and violent explosions
detectable out to the edge of the observable Universe.  As soon as their
cosmological origin was established, it became apparent that GRBs can
serve as powerful probes of the high-redshift Universe.  The association
of long GRBs with the deaths of massive stars imply that they trace the
sites and history of massive star formation.  Their optical and near-infrared
afterglows reveal spectral imprints of their environments, including the
interstellar medium of their host galaxies as well as the intergalactic
medium during cosmic reionization.  With the Swift Observatory in orbit,
such expectations are now being materialized.  With GRB 050904, we found
that the Universe was already largely ionized at z=6.3.  The discovery of
GRB 090423 at z~8.2, the most distant astrophysical object known to date,
clearly demonstrates that in the coming years, GRBs will offer us an
unprecedented view into the mysterious era of cosmic reionization and
the formation of the first stars and galaxies.  And yet, our knowledge
concerning the GRBs themselves remain appallingly meager, such as their
progenitors, their true energetics, the mechanisms of jet formation,
particle acceleration and prompt emission, etc.

The aim of this conference is to discuss the latest observational and
theoretical developments in this exciting field of GRBs, with a strong
emphasis on their use as probes of the high redshift universe.
Non-GRB studies of the high redshift Universe, involving e.g. supernovae,
galaxies, quasars and background radiation, are also essential elements
of this conference.

Topics

- Latest observations of GRBs from space and ground
- Progenitors and central engines of GRBs, relation to supernovae
- GRBs as probes of the high-reshift universe and cosmology
- Formation of the first stars and cosmic reionization
- High-redshift galaxies and quasars
- Physics of prompt and afterglow emission
- Future observational projects

Important dates

Registration open:                            January 11, 2010
Abstract and early registration* deadline:    Febuary 21, 2010
On-line registration/hotel reservation deadline: March 21, 2010
Welcome reception:                            April 18, 2010
Conference:                                   April 19-23, 2010

*Note: Participants who require visa for entry to Japan are
     requested to meet the early registration deadline.

Registration fee*

General: 15,000 Japanese Yen
Student:  5,000 Japanese Yen

*Note: Registration fee covers venue, logistics, reception,
 coffee/tea breaks and proceedings.  It does not include
 the conference dinner and tours.

Social Events

There will be a reception on the evening of April 18.
Conference Dinner is scheduled on April 22.
There will be a free afternoon on April 21.
Some sightseeing tours may be organized on that afternoon.
Details will be announced later on the Web.

Confirmed speakers

M. A. Aloy
J. Beacom
C. Dermer
X. Fan
J. Fynbo
N. Gehrels
J. Greiner
J. Grindlay
J. Hjorth
S. Komissarov
C. Kouveliotou
A. MacFadyen
P. Meszaros
A. Panaitescu
T. Piran
P. Roming
A. Soderberg
I. Taboada
N. Tanvir
T. Thompson
P. Vreeswijk
X.-Y. Wang
S.-C. Yoon

Further invited speakers will be announced later.

International Advisory Committee:

Guido Chincarini (Milano, Italy), Johan Fynbo (Copenhagen, Denmark),
Neil Gehrels (Goddard, USA), Chryssa Kouveliotou (Marshall/NSSTC, USA)

Scientific Organizing Committee:

Nobuyuki Kawai (Tokyo Tech, chair), Susumu Inoue (Kyoto),
Kunihito Ioka (KEK), Masanori Iye (NAOJ), Toshio Murakami (Kanazawa),
Shigehiro Nagataki (Kyoto), Takashi Nakamura (Kyoto),
Ken'ichi Nomoto (IPMU), Kouji Ohta (Kyoto), Kazuyuki Omukai (NAOJ),
Katsuhiko Sato (IPMU), Tomonori Totani (Kyoto),
Toshio Terasawa (Tokyo Tech), Jun'ichi Watanabe (NAOJ),
Ryo Yamazaki (Hiroshima), Yoichi Yatsu (Tokyo Tech),
Daisuke Yonetoku (Kanazawa), Atsumasa Yoshida (Aoyama Gakuin),
Michitoshi Yoshida (NAOJ)

Local Organizing Committee:

Shigehiro Nagataki (Kyoto, chair), Susumu Inoue (Kyoto),
Kunihito Ioka (KEK), Kouji Ohta (Kyoto), Kazuyuki Omukai (NAOJ),
Tomonori Totani (Kyoto), Ryo Yamazaki (Hiroshima),
Yoichi Yatsu (Tokyo Tech), Daisuke Yonetoku (Kanazawa)

Organized by:
Kyoto University
(Yukawa Institute, Department of Physics, Department of Astronomy)
Tokyo Institute of Technology

Sponsored by:

The Ministry of Education, Culture, Sports, Science and Technology
Japan Society for Promotion of Science
Grant-in-Aid for Priority Research Area
  "Deciphering the Ancient   Universe with Gamma-Ray Bursts"
Yukawa Institute for Theoretical Physics, Kyoto University
Grant-in-Aid for Global COE Program
"The Next Generation of Physics, Spun from Universality and Emergence"

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