下記のように、VHEPA-3 国際ワークショップ :

                  The 3rd International Workshop for 
            Comprehensive Study of the High Energy Universe 
            - Toward Very High Energy Particle Astronomy - 
                               (VHEPA-3) 

を3月20日から22日の3日間で開催します。参加費は無料です。（但し、茶・菓子
代を徴集させて頂きます。） 皆様、ふるってご参加下さい。参加登録は下記の
Webページから入力をお願い致します。

                              VHEPA-3ワークショップ組織委員：
                                  久野純治、梶田隆章、木舟正、J.Learned、
                                  E.Loh、佐々木真人、杉山直、渡邊靖志
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                  The 3rd International Workshop for 
            Comprehensive Study of the High Energy Universe 

            - Toward Very High Energy Particle Astronomy - 
                              
                               (VHEPA-3)

                        Date:  Mar. 20-22, 2003 
            Location:  ICRR, Univ. of Tokyo, Kashiwa, Japan 
     Web site: http://taws300.icrr.u-tokyo.ac.jp/workshop2003/


Overview: 

Very High Energy (VHE, greater than TeV) particle astronomy is expected
to provide a new and significantly different astronomical probe of the
universe than the photon based traditional astronomy from which we have
learned almost all we know about our cosmos. A mundane reason for VHE
particle astronomy is that the universe is not transparent to photons of
such energies.Yet, observations of TeV-gamma rays and Extremely High
Energy Cosmic Rays (EHECRs) strongly suggest that there exist enormously
luminous compact extra-galactic sources of VHE particles. The signal of
the beginning of a new epoch in observational astronomy could be the
observation of TeV and higher energy neutrinos from cataclysmic events
associated with the source of the EHE cosmic rays. Recently there have
been many intensive efforts towards development of new imaging air-
shower detectors for TeV-gammas and EHECRs, as well as water-Cherenkov
neutrino telescopes and ground based extensive-air-shower sampling
arrays.  All are aimed at making a new window on the universe through
VHE particle astronomy. 

At this international workshop, we will survey the current status of VHE
particle observations, examine useful avenues for astronomical
observations in the near future, and discuss concrete methods with some
new technologies as may be required to mount future projects. For that
purpose, we subdivided this workshop into three topical sessions:

1. Physics of VHE particle radiation and propagation; 
2. Current status of VHE particle observations; 
3. New detection technologies and VHE particle astronomy detectors in
   the near future.  

Organizers: 

J.Hisano, T.Kajita, T.Kifune, J.Learned, E.Loh, M.Sasaki (Chair),
N.Sugiyama, and Y.Watanabe 

Tentative program can be seen on the VHEPA-3 Web page.

Invited Speakers already determined are listed as follows:

Mar.20 (Thu.)
Session 1: Physics on VHE particle radiation and propagation  
P.Bierman (Bonn)   
R.Jokipii (Arizona)   
L.Barbier (NASA)   
M.Drees (Munich Tech.) The top-down explanation of the highest energy events 
K.Sato (Tokyo)   
H.Sato (Konan)   
M.Kawasaki (Tokyo)   

Mar. 21 (Fri.) 
Session 2: Current status of VHE particle observation 
F.Aharonian (MPI)                   TeV Blazers 
J.Learned(Hawaii)                   VHE Neutrino observation 
L.K.Resvanis (NESTOR/Athens) Under-water neutrino astronomy 
T.Takahashi (ISAS)                  Gamma-ray observation in space 

Mar. 22(Sat.) 
Session 3: New detection technologies and VHE particle astronomy detectors 
in near future 
A.Yamamoto (KEK)      BESS Polar 
K.Rawlins (Wisconsin)  IceCube 
W.S.Hou (Taiwan)       TauWatch 
S.Matsuno (Hawaii)     ANITA 
M.Sasaki (ICRR)         ASHRA 
E.Loh (NSF)              OWL