Experimental study of double hypernuclei at J-PARC

Yoshida, Junya

Double hypernuclei and hypernuclei, collectively called "double hypernuclei", have come to play important roles in hadron nuclear physics as valuable information sources of baryon-baryon interaction. The most effective method to investigate them is event-by-event analysis with photographic emulsion sheets. An emulsion experiment to detect double hypernuclei has been performed in the J-PARC hadron facility in 2016-17. By this experiment, quantitative data on or interaction in a nucleus are being accumulated successfully. A new nuclide of double hypernucleus, $_{LambdaLambda}$ Be, was observed. Several other interesting events have been found and further event search is going on.

Language	:	English
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Meeting title	:	18th International Conference on Hadron Spectroscopy and Structure (HADRON 2019)
Held date	:	2019/08
Location (city)	:	Guilin
Location (country)	:	China
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Keywords	:	J-PARC
Research Facility	:	J-PARC原子核素粒子実験施設
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Cooperating Institute	:	J-PARC E07 Collaboration

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Registration No. : BB20191534
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