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**＜国際シンポジウム「KASHIWA DARK MATTER SYMPOSIUM 2020」のご案内＞**

## English text follows after Japanese version ##


本年11月16−19日にWIMPダークマター探索に関する国際シンポジウム
「KASHIWA DARK MATTER SYMPOSIUM 2020」
をオンラインで開催いたします．
この研究会は昨年行われた国際シンポジウム「Dark Matter searches in the
2020s -At the crossroads of the WIMP」(http://2019.kashiwa-darkmatter-symposia.org)
の第２回シンポジウムとなります．

また参加登録、講演申し込みも開始しましたので加えてお知らせします．

研究会web page：
http://kashiwa-darkmatter-symposia.org/

日時：2020年11月16日(月)～2020年11月19日(水)
会場：オンライン（Zoom）

本シンポジウムはWIMPダークマター探索研究に関して，theory，collider，
direct，indirect，astrophysicsの研究者を一堂に会して，今後の探索研究に
ついて包括的な議論及び情報共有することを目的とします．
今年度はフォーカスセッションとしてAxion/Axion-like Particlesのセッションを
設ける予定です．


※ Slackを用いたデジタルポスターセッションを予定しております．

※ ポスター発表と若干の口頭発表を受け付けておりますので，特に若い
研究者や学生の積極的な参加をお待ちしております．


締切までの期間が短いですが，皆様ふるってご参加ください．

浅井祥仁（東京大学，CERN）
林 航平（東北大学，co-chair）
Moritz Hütten (MPP，co-chair)
伊部昌宏（ICRR）
川崎雅裕（ICRR，IPMU）
松本重貴（IPMU）
身内賢太朗（神戸大学）
森山茂栄（ICRR，IPMU）
寺師弘二 (東京大学，CERN)
手嶋政廣（ICRR，MPP）
山下雅樹（ISEE，名古屋大学）
吉田龍生（茨城大学）
菅原みどり（ICRR，秘書）
Diana Werner (MPP，秘書)

本研究会は
"The grant for ICRR’s Fiscal Year 2020 Inter-University Research Program
(Moritz Hütten)"
によってサポートされています．


#####

Dear colleagues,

We are delighted to announce the “KASHIWA DARK MATTER SYMPOSIUM 2020”
that will take place online on zoom on November 16-19, 2020.

Main topics of the symposium are:
- Dark matter theory
- Collider experiments for dark matter searches
- Dark matter direct detection experiments
- Dark matter indirect detection experiments
- Astrophysical constraints on dark matter
- Axions and Axion like particles (ALPs)

For more information and to register, please visit the event homepage:
http://kashiwa-darkmatter-symposia.org

Participants will be able to present their work in a limited amount of
contributed talks or virtual posters. Deadline for the abstract
submission is *October 26, 2020* and the registration will close on
*November 10, 2020*.

To enable young researchers to present their work at the
symposium, we encourage especially postdocs and students to participate
and to present their work at the symposium.

This is the second of a series of dark matter symposia started in 2019
(http://2019.kashiwa-darkmatter-symposia.org).

Also, please forward this information to any interested colleagues.

------------------------------------------------
SCIENTIFIC RATIONALE:

In 2019, over 100 students, Postdocs, and senior scientists from all
over the world came together at Kashiwa campus near Tokyo to discuss the
status of the searches for dark matter. After a year has now passed full
of exciting results, the nature of dark matter is still elusive. To
ultimately solve the dark matter mystery, a joint effort is needed by
indirect, direct and collider experiments. To foster the exchange
between the fields and to exchange recent progresses in theory and
experiment, we have now established a regular series of yearly meetings:
the Kashiwa dark matter symposia. This year in 2020, the symposium will
be virtual.

The goal of the symposium series is to bring together international
researchers from all relevant experimental and theoretical fields in
current and future dark matter searches. This year, we aim at a special
focus on alternative dark matter candidates beyond the WIMP paradigm,
including a dedicated session on axions and axion-like particles.


SCHEDULE AND FORMAT:

To allow maximum participation from all time zones and concentration
during an online meeting, the symposium will last for four hours on each
day from Monday, Nov. 16 to Thursday, Nov. 19. On each day, we will have
two sessions of 90 minutes duration, separated by a coffee break.
Sessions include an invited highlight talk, followed by contributed
talks of 12' plus 3' question time. We will allocate the daily symposium
times to the maximum convenience of presenters and registrants end of
October. We will also establish a space to present digital posters at
the conference by Slack exchange during the time of the symposium.


We are looking forward to welcome you online!


On behalf of the Organising Committee:
Shoji Asai (University of Tokyo, CERN)
Kohei Hayashi (Tohoku University, co-chair)
Moritz Hütten (MPP, co-chair)
Masahiro Ibe (ICRR)
Masahiro Kawasaki (ICRR, IPMU)
Shigeki Matsumoto (IPMU)
Kentaro Miuchi (Kobe University)
Shigetaka Moriyama (ICRR, IPMU)
Koji Terashi (University of Tokyo, CERN)
Masahiro Teshima (ICRR, MPP)
Masaki Yamashita (ISEE, Nagoya University)
Tatsuo Yoshida (Ibaraki University)
Midori Sugahara (ICRR, secretary)
Diana Werner (MPP, secretary)

This symposium is supported in part by:
- MEXT Grant-in-Aid for Scientific Research on Innovative Areas:
16K21730 for Shoji Asai (PI, main hosts), 
19H05802 for Shigetaka Moriyama (co-PI, main hosts), 
18H05542 for Masahiro Ibe (PI)

- Grant-in-Aid for Scientific Research (S):
17H06131 for Masahiro Teshima (PI, main hosts)

- Grant-in-Aid for Scientific Research (B):
17H02878 for Shigeki Matsumoto (co-PI) 
20H01895 for Shigeki Matsumoto (PI) and Kohei Hayashi (co-PI)

and the grant for ICRR’s Fiscal Year 2020 Inter-University Research Program (PI: Moritz Hütten)