Clear indication of a strong I= 0 Kbar-N attraction in the Lambda (1405) region from the CLAS photo-production data
M Hassanvand, Y Akaishi, T Yamazaki - arXiv preprint arXiv:1704.08571, 2017 - arxiv.org
M Hassanvand, Y Akaishi, T Yamazaki
arXiv preprint arXiv:1704.08571, 2017•arxiv.orgPossible existence of deeply bound kaonic nuclear systems was proposed Akaishi and
Yamazaki (2002} more than a decade ago, based on an ansatz that the Lambda*= Lambda
(1405) mass is 1405 MeV/c2, where the Lambda* is a Kbar-N quasi-bound state decaying to
Sigma-pi. Recently, a large number of data on photo-production of Lambda (1405) in the
gamma p to K+ pi {0+-} Sigma {0-+} reaction were provided by the CLAS collaboration
Moriya et al.(2013}, and double-pole structure of the Lambda* has been intensively …
Yamazaki (2002} more than a decade ago, based on an ansatz that the Lambda*= Lambda
(1405) mass is 1405 MeV/c2, where the Lambda* is a Kbar-N quasi-bound state decaying to
Sigma-pi. Recently, a large number of data on photo-production of Lambda (1405) in the
gamma p to K+ pi {0+-} Sigma {0-+} reaction were provided by the CLAS collaboration
Moriya et al.(2013}, and double-pole structure of the Lambda* has been intensively …
Possible existence of deeply bound kaonic nuclear systems was proposed Akaishi and Yamazaki (2002} more than a decade ago, based on an ansatz that the Lambda* = Lambda(1405) mass is 1405 MeV/c2, where the Lambda* is a Kbar-N quasi-bound state decaying to Sigma-pi. Recently, a large number of data on photo-production of Lambda(1405) in the gamma p to K+ pi{0+-} Sigma{0-+} reaction were provided by the CLAS collaboration Moriya et al.(2013}, and double-pole structure of the Lambda* has been intensively discussed by chiral dynamics analyses {Roca (2013),Mai 2015}, whereas we show that a Lambda* mass of 1405 MeV/c2 is deduced from the same CLAS data.
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