The 4th International Workshop on Nuclear and Particle Physics at J-PARC (NP08)

March 05(Wed) - 07(Fri), 2008
Mito, Ibaraki, Japan

Second Circular

This is the second announcement of the International Workshop on Nuclear and Particle Physics at J-PARC (NP08).
This is the 4th workshop in a series, after NP01(2001, Tsukuba), NP02 (2002, Kyoto) and NP04 (2004, Tokai/Tsukuba). This year, we would like to start the discussion for the future experiments and explore a long-term physics program after the completion of the "phase-1" construction. In the afternoon of Wednesday, March 5th, a joint session to discuss all the scientific topics in J-PARC including Material and Life Science Facility will be held with prominent invited speakers.
The latest information on the workshop will be available from the NP08 Web page,


Contributed talks : February 15 by Email to conveners
J-PARC tour application : February 22(Fri) by Web(+)
Resistration : 23:59(JST) of February 22(Fri) by Web(+)
Hotel reservation : 17:00(JST) of February 28(Thu) by Web(+)

(+) JTB Kanto Corp.(JTB) will handle registration and hotel accommodations of the Workshop through the Web site: .

You will find four steps in the site to complete your application:
Please try them after you read this circular.

Workshop site

All sessions including plenary sessions and parallel working group sessions are to be held at "Mito Plaza Hotel" in Mito City, which is the largest city in Ibaraki Prefecture and is adjacent to Tokai village, where J-PARC is being constructed.
The Web page of the hotel,, is in Japanese; brief information in English, from the JTB site, is here. See Transportation Information to know the access to the hotel.


Participants of the workshop should register online at the JTB Web site . The registration free is 10,000 Japanese Yen, which includes drinks, lunch boxes and refreshments during the workshop. This fee should be paid by a major credit card at the time of registration. The registration deadline is 23:59(JST) of February 22(Fri). To assist the smooth running of the Workshop and avoid long delays at the on-site registration desk, participants are strongly advised to register for the Workshop in advance. The on-site registration free is also 10,000 Yen but does not include the lunch boxes. If you cannot use online registration in some reason, please make inquiries to JTB.

Contributed Talks

Please contact the convener of the working group by Email with the following information. The deadline is February 15(Fri). The working groups and their conveners are listed at the "Tentative programs and working groups" section.


Participants should reserve a hotel room by themselves at the JTB Web site . A sufficient number of rooms at hotels in Mito City have been blocked for the Workshop participants from the night of March 4 (Tue) till the morning of March 8 (Sat) at special discount rates. The deadline is 17:00(JST) of February 28(Thu). Hotel assignment will be made on a first-come, first-served basis.
Most of the hotels are located near the Mito Station on the JR Joban line. The hotel list and map are available from the JTB site.
(Rooms in the night of March 7(Fri) will soon be available.)

Transportation Information

Mito Plaza Hotel is 15-minute ride by taxi (around 2,000 Yen) from the Mito station. A shuttle-bus service (free of charge) will be available between the station and the hotel during the Workshop. The guide to the transportation will be available online from here.


All foreign participants must carry a valid passport, and in some cases a visa also. You can find out whether you need a visa or not from the Web page of Ministry of Foreign Affairs,
If you are not sure please check with the Japanese Consulate, Embassy or a travel agent. If you need a help for your please contact the convener of the working group you are going to attend as soon as possible.

Tentative Program and Working Groups

The workshop comprises invited talks in the plenary sessions and contributed papers in parallel sessions. The morning session will start at 09:00AM.
On the first day, in the afternoon, a joint session to discuss all the scientific topics in J-PARC including Material and Life Science Facility will be held with prominent invited speakers. On the last day, we have several reports from the working groups and have a special session for discussion. The workshop will close at around 16:00. See also the page for Tentative Program.

Subjects to be discussed in working groups are:
  1. Strangeness Nuclear Physics Experiments (convener: T. Nagae

  2. Nuclear/Hadron Physics Experiments (convener: S. Sawada

  3. Kaon Rare Decay Experiments (convener: T. Komatsubara

  4. Muon Decay Experiments (convener: Y. Kuno

  5. Neutron Experiments (convener: H.M. Shimizu

  6. Neutrino Experiments and Proton Decay Experiments (convener: T. Hasegawa

Invited plenary speakers to the NP08 plenary session (titles to be confirmed):

Invited plenary speakers to the joint session (titles to be confirmed):

Banquet and Lunch Box

Banquet is held in the evening on March 05(Wed).

In order to perform the workshop efficiently, a lunch box is prepared every day by the organizers.

Tour to J-PARC site

A tour to the J-PARC site, where the facilities are now being constructed, is being planned after the workshop, in the morning of March 08(Sat). If you are going to attend the tour, please apply for it at the registration.

After the tour, we will break up at the Tokai or Mito Station in the noon so that the participants from abroad catch up the bus service which is scheduled to arrive at the Tokyo-Narita International Airport at around 15:40.

At present, in order to enter the JAEA/J-PARC area, personal information such as age, sex, and nationality is being required; we apologize for collecting the personal information at the registration.

In particular, the participants from abroad to attened the tour are kindly asked to register online and apply for the tour by February 22(Fri); JTB, our agent, will send you the application form to fill the information, which should be returned immediately.


All the correspondence concerning the workshop should be addressed to the workshop secretariat.

NP08 Organization

Host Institutions: Sponsors:

Local Organizing Committee:
T. Hasegawa (KEK)
J. Imazato (KEK)
S. Komamiya (Tokyo)
T. Komatsubara (KEK)
T. Koseki (KEK)
S. Kumano (KEK)
Y. Kuno (Osaka)
S. Mihara (KEK)
T. Nagae (Kyoto)
S. Nagamiya (KEK/JAEA; J-PARC Center)
T. Nakano (Osaka RCNP)
T. Nakaya (Kyoto)
K. Nishikawa (KEK; co-chair)
H. Noumi (Osaka RCNP)
Y. Okada (KEK)
N. Saito (KEK; co-chair)
S. Sawada (KEK)
H. Tamura (Tohoku)
K.H. Tanaka (KEK)
K. Tokushuku (KEK)
T. Yamanaka (Osaka)
Local Executive Committee:
T. Hasegawa (KEK)
T. Ino (KEK)
T. Komatsubara (KEK)
Y. Kuno (Osaka)
G.Y. Lim (KEK)
T. Nagae (Kyoto)
M. Naruki (KEK)
S. Sawada (KEK)
H.M. Shimizu (KEK)
T. Takahashi (KEK)
K.H. Tanaka (KEK; chair)

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since 2008-January-29: last updated on 2008-February-20 (Wed)