SEARCH FOR STRANGE TRIBARYON STATES IN THE 4He(STOPPED K-, p) REACTION-Reference-Cited by-同舟云学术

SEARCH FOR STRANGE TRIBARYON STATES IN THE 4He(STOPPED K-, p) REACTION

Published:2009-01-30 Issue:02n03 Volume:24 Page:442-445
ISSN:0217-751X
Container-title:International Journal of Modern Physics A
language:en
Short-container-title:Int. J. Mod. Phys. A

Author:

,SATO M.¹,BHANG H.²,CHIBA J.³,CHOI SEONHO²,FUKUDA Y.⁴,HANAKI T.³,HAYANO R. S.⁵,IIO M.¹,ISHIKAWA T.⁵,ISHIMOTO S.⁶,ISHIWATARI T.⁷,ITAHASHI K.¹,IWAI M.⁶,IWASAKI M.¹⁴,KIENLE P.⁷⁸,KIM J. H.⁹,MATSUDA Y.¹,OHNISHI H.¹,OKADA S.¹,OUTA H.¹,SUZUKI S.⁶,SUZUKI T.¹,TOMONO D.¹,WIDMANN E.⁷,YAMAZAKI T.¹⁵,YIM H.²

Affiliation:

1. RIKEN Nishina Center,RIKEN, Saitama 351-0198, Japan

2. Department of Physics, Seoul National University, Seoul 151-742, South Korea

3. Department of Physics, Tokyo University of Science, Chiba 278-8510, Japan

4. Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan

5. Department of Physics, The University of Tokyo, Tokyo 113-0033, Japan

6. High Energy Accelerator Research Organization (KEK), Ibaraki 305-0801, Japan

7. Stefan Meyer Institut für subatomare Physik, Österreichische Akademie der Wissenschaften, A-1090 Wien, Austria

8. Physik Department, Technische Universität München, D-85748 Garching, Germany

9. Korea Research Institute of Standards and Science (KRISS), Daejeon 305-600, South Korea

Abstract

We have measured a proton energy from the stopped K- reaction on 4 He to search for strange tribaryon states at KEK 12 GeV PS. No statistically significant signal was observed in the missing mass spectrum obtained by the inclusive 4 He ( stopped K-, p) measurement. Upper limits of the formation branching ratio at the 95 % C.L. were derived for neutral tribaryon states with strangeness -1 to be (0.4 ~ 6) × 10-4, (0.2 ~ 6) × 10-3 and (0.06 ~ 5) × 10-2/(stopped K-) for assumed natural widths of 0, 20 and 40 MeV /c2, respectively.

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217751X09043808

Reference8 articles.

1. NuclearK¯bound states in light nuclei

2. (K−,π−) production of nuclear K̄ bound states in proton-rich systems via doorways

3. High-density K̄ nuclear systems with isovector deformation

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5. Search for strange tribaryon states in the inclusive 4He(Kstopped−,p) reaction

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