| Name | Institution | Country | Period of Stay | Contact Person |
| Jung Keun Ahn | Pusan University | Korea | 27 Nov. - 30 Nov. 2011 | Atsushi Tamii |
| Sun Young Ryu | Pusan University | Korea | 26 Nov. - 1 Dec. 2011 | Atsushi Tamii |
| Sang Hoon Hwang | Pusan University | Korea | 25 Nov. - 3 Dec. 2011 | Atsushi Tamii |
| Yang Seonbae | Seoul University | Korea | 23 Nov. - 2 Dec. 2011 | Atsushi Tamii |
| Joo Changwoo | Seoul University | Korea | 23 Nov. - 2 Dec. 2011 | Atsushi Tamii |
| Ryuta Kiuchi | Seoul University | Korea | 23 Nov. - 2 Dec. 2011 | Atsushi Tamii |
| Yiu-Wing Lui | Texas A&M University | U.S.A. | 20 Nov. - 27 Nov. 2011 | Kichiji Hatanaka |
| Brian Bucher | University of Notre Dame | U.S.A. | 18 Nov. - 24 Nov. 2011 | Kichiji Hatanaka |
| Xiao-Dong Tang | University of Notre Dame | U.S.A. | 18 Nov. - 25 Nov. 2011 | Kichiji Hatanaka |
| Joachim Goerres | University of Notre Dame | U.S.A. | 16 Nov. - 25 Nov. 2011 | Kichiji Hatanaka |
| Muhsin N. Harakeh | University of Groningen | Netherlands | 16 Nov. - 22 Nov. 2011 | Kichiji Hatanaka |
| Xiao Fang | University of Notre Dame | U.S.A. | 12 Nov. - 25 Nov. 2011 | Kichiji Hatanaka |
| Alex Long | University of Notre Dame | U.S.A. | 12 Nov. - 25 Nov. 2011 | Kichiji Hatanaka |
| Rashi Talwar | University of Notre Dame | U.S.A. | 12 Nov. - 25 Nov. 2011 | Kichiji Hatanaka |
| Georg Berg | University of Notre Dame | U.S.A. | 12 Nov. - 25 Nov. 2011 | Kichiji Hatanaka |
| Richard deBoer | University of Notre Dame | U.S.A. | 11 Nov. - 22 Nov. 2011 | Kichiji Hatanaka |
| Le Hong Khiem | Vietnam Institute of Physics | Vietnam | 8 Nov. - | Isao Tanihata |
| Tran Dinh Trong | Vietnam Institute of Physics | Vietnam | 8 Nov. - 30 Jun. 2012 | Isao Tanihata |
| Shen Jie | Beihang University | China | 5 Nov. - Dec. 2012 | |
| Wang He | Peking University, RIKEN | China | 20 Oct. - 21 Oct. 2011 | |
| Dieter Ackermann | GSI | Germany | 15 Oct. - 20 Oct. 2011 | Nori Aoi |
| Sonja Orrigo | IFIC, CSIC, University Valencia | Spain | 8 Oct. - 16 Oct. 2011 | Atsushi Tamii |
| Candan Kozer | Istanbul University | Turkey | 9 Oct. - 20 Oct. 2011 | Atsushi Tamii |
| Gulfem Susoy | Istanbul University | Turkey | 9 Oct. - 20 Oct. 2011 | Atsushi Tamii |
| Tho Nguyen Tran | Vietnam Institute of Physics | Vietnam | 3 Oct. - 30 Jul. 2012 | Tanihata |
| Ela Ganioglu | Istanbul University | Turkey | 29 Sep. - 20 Oct. 2011 | Atsushi Tamii |
| Umesh Garg | University of Notre Dame | U.S.A | 8 Oct. - 10 Oct. 2011 | Mamoru Fujiwara |
| Chuck Davis | TRIUMF | Canada | 7 Oct. - 23 Oct. 2011 | Kichiji Hatanaka |
| Hyun-Chul Kim | Inha University | Korea | 27 Sep. - 29 Sep. 2011 | Atsushi Hosaka | Jenny Lee | RIKEN | China | 26 Sep. - Oct. 2011 | Atsushi Tamii |
| Pang Danyang | Peking University | China | 23 Aug. - 30 Aug. 2011 | Ong Jin |
| Peter von Neumann-Cosel | TU-Darmstadt | Germany | 8 Aug. - 14 Aug. 2011 | Atsushi Tamii |
| W.C. Chang | Academia Cinica | Taiwan | 8 Aug. - 11 Aug. 2011 | Atsushi Hosaka |
| Muhsin N. Harakeh | CSI / KVI | Netherlands | 7 Aug. - 10 Aug. 2011 | Kichiji Hatanaka (Attending PAC) |
| Joachim Goerres | University of Notre Dame | U.S.A | 6 Aug. - 10 Aug. 2011 | Kichiji Hatanaka (Attending PAC) |
| Didier Beaumel | IPN | France | 6 Aug. - 9 Aug. 2011 | Kichiji Hatanaka (Attending PAC) |
| Xiao-Dong Tang | University of Notre Dame | U.S.A | 5 Aug. - 9 Aug. 2011 | Kichiji Hatanaka (Attending PAC) |
| Jung Keun Ahn | Pusan National Univ. | Korea | 1 Aug. - 5 Aug. 2011 | Takashi Nakano |
| Jenny Lee | RIKEN | China | 11 Jul. - 14 Jul. 2011 | Atsushi Tamii |
| Hongliang Lu | University of Caen | France | 4 Jul. - 29 Jul. 2011 | Atsushi Hosaka |
| David Boilley | University of Caen | France | 4 Jul. - 4 Aug. 2011 | Atsushi Hosaka |
| Chia-Yu Hsieh | Academia Sinica | Taiwan | 4 Jul. - 4 Aug. 2011 | Takashi Nakano |
| Youngmin Yook | Yonsei Univ. | Korea | 29 Jun. - 27 Jul. 2011 | Takashi Nakano |
| Youngjoon Kwon | Yonsei Univ. | Korea | 29 Jun. - 28 Jul. 2011 | Takashi Nakano |
| Jung Keun Ahn | Pusan National Univ. | Korea | 28 Jun. - 13 Jul. 2011 | Takashi Nakano |
| Sanghoon Hwang | Pusan National Univ. | Korea | 23 Jun. - 29 Jul. 2011 | Takashi Nakano |
| Jenny Lee | RIKEN | China | - 8 Jun. 2011 | Atsushi Tamii |
| Jung Keun Ahn | Pusan National Univ. | Korea | 30 May - 2 Jun. 2011 | Takashi Nakano |
| Chary Rangcharyulu | University of SasKatchewan | Canada | 27 May -30 May, 2011 | Takashi Nakano | Jenny Lee | RIKEN | China | 19 May - 21 May 2011 | Atsushi Tamii |
| C.H. Hyun | Daugu University | Korea | 15 May - 17 May, 2011 | Atsushi Hosaka |
| Peter von Neumann-Cosel | TU-Darmstadt | Germany | 14 May - 20 May, 2011 | Atsushi Tamii |
| Belash Bozorgian | TU-Darmstadt | Germany | 9 May - 28 May, 2011 | Atsushi Tamii |
| Andreas Krugmann | TU-Darmstadt | Germany | 9 May - 28 May, 2011 | Atsushi Tamii |
| Iryna Poltoratska | TU-Darmstadt | Germany | 9 May - 27 May, 2011 | Atsushi Tamii |
| Manuela Cavallaro | INFN-LNS | Italy | 2 May - 7 May, 2011 | Atsushi Tamii |
| Angelo Cunsolo | INFN-LNS | Italy | 2 May - 7 May, 2011 | Atsushi Tamii |
| Sonja Elena Agata Orrigo | IFIC-Valencia | Spain | 30 Apr. - 10 May, 2011 | Atsushi Tamii |
| Dieter Frekers | Munster Univ. | Germany | 24 Apr. - 5 May, 2011 | Atsushi Tamii |
| Peter Puppe | Munster Univ. | Germany | 23 Apr. - 10 May, 2011 | Atsushi Tamii |
| Jan Hintich Thies | Munster Univ. | Germany | 23 Apr. - 10 May, 2011 | Atsushi Tamii |
| Michael Holl | Munster Univ. | Germany | 23 Apr. - 10 May, 2011 | Atsushi Tamii |
| Jenny Lee | RIKEN | China | 20 Apr. - 26 Apr. 2011 | Atsushi Tamii |
| Shan-san | Tohoku Univ. | China | - 20 Apr. 2011 | Atsushi Tamii |
| H. S. Nataraj | Tohoku Univ. | India | - 20 Apr. 2011 | Atsushi Tamii |
| Eugene Strokovsky | Joint Institute for Nuclear Research | Russia | 15 Apr. - 11 May, 2011 | Takashi Nakano |
| Christina Urscheler | CERN | Switzerland | 4 Apr. - 17 Apr. 2011 | |
| Lukas Jaegerhofer | CERN | Switzerland | 4 Apr. - 16 Apr. 2011 | |
| Christian Theis | CERN | Switzerland | 4 Apr. - 16 Apr. 2011 | |
| Christian Pioch | Helmholtz-Muenchen | Germany | 2 Apr. - 18 Apr. 2011 | |
| Vladimir Mares | Helmholtz-Muenchen | Germany | 2 Apr. - 18 Apr. 2011 | |
| Jung Keun Ahn | Pusan National Univ. | Korea | 24 Mar. - 26 Mar. 2011 | Takashi Nakano |
| Romain Leguillon | University of Paris-Sud | France | - 17 Mar. 2011 | Kichiji Hatanaka |
| Jung Keun Ahn | Pusan National Univ. | Korea | '9 Mar. - 13 Mar. 2011 | Takashi Nakano |
| Muhsin N. Harakeh | CSI / KVI | Netherlands | 2 Mar. - 6 Mar. 2011 | Kichiji Hatanaka |
| Chary Rangcharyulu | University of SasKatchewan | Canada | 21 Feb. - 23 Feb. 2011 | Takashi Nakano |
| Didier Beaumel | IPN | France | 17 Feb. - 22 Feb. 2011 | Kichiji Hatanaka |
| Muhsin N. Harakeh | CSI / KVI | Netherlands | 15 Feb. - 22 Feb. 2011 | Kichiji Hatanaka |
| Kiyoshi Tanida | Seoul National University | Korea | 14 Feb. - 16 Feb. 2011 | Atsushi Tamii |
| Chary Rangacharyulu | University of Saskatchewan | Canada | 12 Feb. - 24 Feb. 2011 | Takashi Nakano |
| Richard D'Arcy | University College London | UK | 10 Feb. - 17 Feb. 2011 | |
| Joo Changwoo | Seoul National University | Korea | 9 Feb. - 23 Feb. 2011 | Atsushi Tamii |
| Jia-Ye Chen | Academia Sinica | Taiwan | 7 Feb. - 28 Feb. 2011 | Takashi Nakano |
| Chia-Yu Hsieh | Academia Sinica | Taiwan | 7 Feb. - 20 Feb. 2011 | Takashi Nakano |
| Lother Buchmann | TRIUMF | Canada | 7 Feb. - 15 Feb. 2011 | Kichiji Hatanaka |
| Jeffery Martin | University of Winnipeg | Canada | 7 Feb. - 14 Feb. 2011 | Kichiji Hatanaka |
| Chris Bidinosti | University of Winnipeg | Canada | 6 Feb. - 13 Feb. 2011 | Kichiji Hatanaka |
| Akira Konaka | TRIUMF | Canada | 6 Feb. - 14 Feb. 2011 | Kichiji Hatanaka |
| Andy Miller | TRIUMF | Canada | 6 Feb. - 14 Feb. 2011 | Kichiji Hatanaka |
| Sam Cook | University College London | UK | 5 Feb. - 24 Feb. 2011 | |
| Willem van Oers | TRIUMF | Canada | 5 Feb. - 11 Feb. 2011 | Kichiji Hatanaka |
| Larry Lee | TRIUMF | Canada | 3 Feb. - 14 Feb. 2011 | Kichiji Hatanaka |
| Troy Dawson | University of Winnipeg | Canada | 31 Jan. - 15 Feb. 2011 | Kichiji Hatanaka |
| Jung Keun Ahn | Pusan National Univ. | Korea | 30 Jan. - 12 Feb. 2011 | Takashi Nakano |
| Charles A. Davis | TRIUMF | Canada | 28 Jan. - 13 Feb. 2011 | Kichiji Hatanaka |
| Mike v. Romalis | Princeton Univ. | U.S.A | 27 Jan. - 28 Jan. 2011 | Atsushi Tamii |
| A.I. Titov | Dubna | Russia | 25 Jan. - 25 Mar. 2011 | Atsushi Hosaka |
| S.I. Nam | Korea Aerospace University | Korea | 24 Jan. - 29 Jan. 2011 | Atsushi Hosaka |
| Jung Keun Ahn | Pusan National Univ. | Korea | 4 Jan. - 11 Jan. 2011 | Takashi Nakano |