Extraction of ΛΛ scattering length

C. J. Yoon; H. Akikawa; K. Aoki; Y. Fukao; H. Funahashi; M. Hayata; K. Imai; K. Miwa; H. Okada; N. Saito; H. D. Sato; K. Shoji; H. Takahashi; K. Taketani; J. Asai; M. Kurosawa; M. Ieiri; T. Hayakawa; T. Kishimoto; A. Sato; Y. Shimizu; K. Yamamoto; T. Yoshida; T. Hibi; K. Nakazawa; J. K. Ahn; B. H. Choi; S. J. Kim; S. H. Kim; B. D. Park; I. G. Park; J. S. Song; C. S. Yoon; K. Tanida; A. Ohnishi

doi:10.1142/S0218301310016934

Extraction of ΛΛ scattering length

C. J. Yoon, H. Akikawa, K. Aoki, Y. Fukao, H. Funahashi, M. Hayata, K. Imai, K. Miwa, H. Okada, N. Saito, H. D. Sato, K. Shoji, H. Takahashi, K. Taketani, J. Asai, M. Kurosawa, M. Ieiri, T. Hayakawa, T. Kishimoto, A. SatoY. Shimizu, K. Yamamoto, T. Yoshida, T. Hibi, K. Nakazawa, J. K. Ahn, B. H. Choi, S. J. Kim, S. H. Kim, B. D. Park, I. G. Park, J. S. Song, C. S. Yoon, K. Tanida, A. Ohnishi

SCI - Physics

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Abstract

We determine ΛΛ scattering parameters from a ΛΛ invariant mass spectrum that was obtained by ¹²C(K^-, K⁺ΛΛ) reaction at the KEK Proton Synchrotron. In the framework of Watson's procedure, the obtained scattering length αΛ Λ = - 0.10,_-2.37^{+ 0.45},0.0 and effective range Λ, = 13.90<_-13.90>^+16.10, ,9.48fm are most consistent with the values predicted by using the Nijmegen soft core models (NSC97's). However, the predicted values by using the Nijmegen hard-core ND (G-matrix) and the extended soft-core (ESC00) models are out of two standard deviations from the determined scattering parameters.

Original language	English
Pages (from-to)	2448-2453
Number of pages	6
Journal	International Journal of Modern Physics E
Volume	19
Issue number	12
DOIs	https://doi.org/10.1142/S0218301310016934
Publication status	Published - 2010 Dec

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Yoon, C. J., Akikawa, H., Aoki, K., Fukao, Y., Funahashi, H., Hayata, M., Imai, K., Miwa, K., Okada, H., Saito, N., Sato, H. D., Shoji, K., Takahashi, H., Taketani, K., Asai, J., Kurosawa, M., Ieiri, M., Hayakawa, T., Kishimoto, T., ... Ohnishi, A. (2010). Extraction of ΛΛ scattering length. International Journal of Modern Physics E, 19(12), 2448-2453. https://doi.org/10.1142/S0218301310016934

@article{8457219e8dc64b1085663df48faf015d,

title = "Extraction of ΛΛ scattering length",

abstract = "We determine ΛΛ scattering parameters from a ΛΛ invariant mass spectrum that was obtained by 12C(K-, K+ΛΛ) reaction at the KEK Proton Synchrotron. In the framework of Watson's procedure, the obtained scattering length αΛ Λ = - 0.10,-2.37+ 0.45,0.0 and effective range Λ, = 13.90<-13.90>+16.10, ,9.48fm are most consistent with the values predicted by using the Nijmegen soft core models (NSC97's). However, the predicted values by using the Nijmegen hard-core ND (G-matrix) and the extended soft-core (ESC00) models are out of two standard deviations from the determined scattering parameters.",

author = "Yoon, {C. J.} and H. Akikawa and K. Aoki and Y. Fukao and H. Funahashi and M. Hayata and K. Imai and K. Miwa and H. Okada and N. Saito and Sato, {H. D.} and K. Shoji and H. Takahashi and K. Taketani and J. Asai and M. Kurosawa and M. Ieiri and T. Hayakawa and T. Kishimoto and A. Sato and Y. Shimizu and K. Yamamoto and T. Yoshida and T. Hibi and K. Nakazawa and Ahn, {J. K.} and Choi, {B. H.} and Kim, {S. J.} and Kim, {S. H.} and Park, {B. D.} and Park, {I. G.} and Song, {J. S.} and Yoon, {C. S.} and K. Tanida and A. Ohnishi",

year = "2010",

month = dec,

doi = "10.1142/S0218301310016934",

language = "English",

volume = "19",

pages = "2448--2453",

journal = "International Journal of Modern Physics E",

issn = "0218-3013",

publisher = "World Scientific Publishing Co. Pte Ltd",

number = "12",

}

Yoon, CJ, Akikawa, H, Aoki, K, Fukao, Y, Funahashi, H, Hayata, M, Imai, K, Miwa, K, Okada, H, Saito, N, Sato, HD, Shoji, K, Takahashi, H, Taketani, K, Asai, J, Kurosawa, M, Ieiri, M, Hayakawa, T, Kishimoto, T, Sato, A, Shimizu, Y, Yamamoto, K, Yoshida, T, Hibi, T, Nakazawa, K, Ahn, JK, Choi, BH, Kim, SJ, Kim, SH, Park, BD, Park, IG, Song, JS, Yoon, CS, Tanida, K & Ohnishi, A 2010, 'Extraction of ΛΛ scattering length', International Journal of Modern Physics E, vol. 19, no. 12, pp. 2448-2453. https://doi.org/10.1142/S0218301310016934

TY - JOUR

T1 - Extraction of ΛΛ scattering length

AU - Yoon, C. J.

AU - Akikawa, H.

AU - Aoki, K.

AU - Fukao, Y.

AU - Funahashi, H.

AU - Hayata, M.

AU - Imai, K.

AU - Miwa, K.

AU - Okada, H.

AU - Saito, N.

AU - Sato, H. D.

AU - Shoji, K.

AU - Takahashi, H.

AU - Taketani, K.

AU - Asai, J.

AU - Kurosawa, M.

AU - Ieiri, M.

AU - Hayakawa, T.

AU - Kishimoto, T.

AU - Sato, A.

AU - Shimizu, Y.

AU - Yamamoto, K.

AU - Yoshida, T.

AU - Hibi, T.

AU - Nakazawa, K.

AU - Ahn, J. K.

AU - Choi, B. H.

AU - Kim, S. J.

AU - Kim, S. H.

AU - Park, B. D.

AU - Park, I. G.

AU - Song, J. S.

AU - Yoon, C. S.

AU - Tanida, K.

AU - Ohnishi, A.

PY - 2010/12

Y1 - 2010/12

N2 - We determine ΛΛ scattering parameters from a ΛΛ invariant mass spectrum that was obtained by 12C(K-, K+ΛΛ) reaction at the KEK Proton Synchrotron. In the framework of Watson's procedure, the obtained scattering length αΛ Λ = - 0.10,-2.37+ 0.45,0.0 and effective range Λ, = 13.90<-13.90>+16.10, ,9.48fm are most consistent with the values predicted by using the Nijmegen soft core models (NSC97's). However, the predicted values by using the Nijmegen hard-core ND (G-matrix) and the extended soft-core (ESC00) models are out of two standard deviations from the determined scattering parameters.

AB - We determine ΛΛ scattering parameters from a ΛΛ invariant mass spectrum that was obtained by 12C(K-, K+ΛΛ) reaction at the KEK Proton Synchrotron. In the framework of Watson's procedure, the obtained scattering length αΛ Λ = - 0.10,-2.37+ 0.45,0.0 and effective range Λ, = 13.90<-13.90>+16.10, ,9.48fm are most consistent with the values predicted by using the Nijmegen soft core models (NSC97's). However, the predicted values by using the Nijmegen hard-core ND (G-matrix) and the extended soft-core (ESC00) models are out of two standard deviations from the determined scattering parameters.

UR - http://www.scopus.com/inward/record.url?scp=79951647143&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=79951647143&partnerID=8YFLogxK

U2 - 10.1142/S0218301310016934

DO - 10.1142/S0218301310016934

M3 - Article

AN - SCOPUS:79951647143

SN - 0218-3013

VL - 19

SP - 2448

EP - 2453

JO - International Journal of Modern Physics E

JF - International Journal of Modern Physics E

IS - 12

ER -

Extraction of ΛΛ scattering length

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