EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Section||Hadrons in Nuclei|
|Published online||20 March 2014|
A search for the K−pp bound state in the 3He(K−in-flight, n) reaction at J-PARC
1 Department of Physics, The University of Tokyo, Tokyo, 113-0033, Japan
2 Research Center for Nuclear Physics (RCNP), Osaka University, Osaka, 567-0047, Japan
3 Department of Physics and Astronomy, University of Victoria, Victoria BC V8W 3P6, Canada
4 Department of Physics, Seoul National University, Seoul, 151-742, South Korea
5 National Institute of Physics and Nuclear Engineering - IFIN HH, Romania
6 Stefan-Meyer-Institut für subatomare Physik, A-1090 Vienna, Austria
7 INFN Sezione di Torino, Torino, Italy
8 Dipartimento di Fisica Generale, Universita’ di Torino, Torino, Italy
9 Laboratori Nazionali di Frascati dell’ INFN, I-00044 Frascati, Italy
10 Department of Physics, Osaka University, Osaka, 560-0043, Japan
11 Department of Physics, Kyoto University, Kyoto, 606-8502, Japan
12 Laboratory of Physics, Osaka Electro-Communication University, Osaka, 572-8530, Japan
13 RIKEN Nishina Center, RIKEN, Wako, 351-0198, Japan
14 High Energy Accelerator Research Organization (KEK), Tsukuba, 305-0801, Japan
15 Department of Physics, Tokyo Institute of Technology, Tokyo, 152-8551, Japan
16 Technische Universität München, D-85748, Garching, Germany
17 Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, 153-8902, Japan
18 Department of Physics, Tohoku University, Sendai, 980-8578, Japan
19 Excellence Cluster Universe, Technische Universität München, D-85748, Garching, Germany
20 Korea Institute of Radiological and Medical Sciences (KIRAMS), Seoul, 139-706, South Korea
Published online: 20 March 2014
We have collected the first physics data of an experimental search for the simplest kaonic nuclear bound state, “K− pp”, by the 3He(K− n) reaction at J-PARC. We confirmed that our spectrometer system works as designed and observed clear peak structure composed of the quasi-elastic K−“n” → K−n and the charge-exchange K−“p” → ¯̅K0n reactions in the forward neutron spectrum.
© Owned by the authors, published by EDP Sciences, 2013
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