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Titolo:
Production of H-4(Lambda Lambda) hypernuclei - art. no. 132504
Autore:
Ahn, JK; Ajimura, S; Akikawa, H; Bassalleck, B; Berdoz, A; Carman, D; Chrien, RE; Davis, CA; Eugenio, P; Fischer, H; Franklin, GB; Franz, J; Fukuda, T; Gan, L; Hotchi, H; Ichikawa, A; Imai, K; Kahana, SH; Khaustov, P; Kishimoto, T; Koran, P; Kohri, H; Kourepin, A; Kubota, K; Landry, M; May, M; Meyer, C; Meziani, Z; Minami, S; Miyachi, T; Nagae, T; Nakano, J; Outa, H; Paschke, K; Pile, P; Prokhabatilov, M; Quinn, BP; Rasin, V; Rusek, A; Schmitt, H; Schumacher, RA; Sekimoto, M; Shileev, K; Shimizu, Y; Sutter, R; Tamagawa, T; Tang, L; Tanida, K; Yamamoto, K; Yuan, L;
Indirizzi:
Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea Pusan Natl Univ Pusan South Korea 609735 Phys, Pusan 609735, South Korea Brookhaven Natl Lab, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA11973 aven Natl Lab, Upton, NY 11973 USA Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA Carnegie Mellon Univ Pittsburgh PA USA 15213 ys, Pittsburgh, PA 15213 USA Univ Freiburg, Dept Phys, D-79104 Freiburg, Germany Univ Freiburg Freiburg Germany D-79104 t Phys, D-79104 Freiburg, Germany Hampton Univ, Dept Phys, Hampton, VA 23668 USA Hampton Univ Hampton VA USA 23668 Univ, Dept Phys, Hampton, VA 23668 USA High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan High Energy Accelerator Res Org Tsukuba Ibaraki Japan 3050801 0801, Japan Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia Russian Acad Sci Moscow Russia 117312 st Nucl Res, Moscow 117312, Russia Kyoto Univ, Dept Phys, Sakyo Ku, Kyoto 6068502, Japan Kyoto Univ Kyoto Japan 6068502 Dept Phys, Sakyo Ku, Kyoto 6068502, Japan Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada Univ Manitoba Winnipeg MB Canada R3T 2N2 on, Winnipeg, MB R3T 2N2, Canada Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA Univ New Mexico Albuquerque NM USA 87131 stron, Albuquerque, NM 87131 USA Osaka Univ, Dept Phys, Osaka 5600043, Japan Osaka Univ Osaka Japan 5600043 aka Univ, Dept Phys, Osaka 5600043, Japan Temple Univ, Dept Phys, Philadelphia, PA 19122 USA Temple Univ Philadelphia PA USA 19122 pt Phys, Philadelphia, PA 19122 USA Univ Tokyo, Dept Phys, Tokyo 1130033, Japan Univ Tokyo Tokyo Japan 1130033 iv Tokyo, Dept Phys, Tokyo 1130033, Japan TRIUMF, Vancouver, BC V6T 2A3, Canada TRIUMF Vancouver BC Canada V6T 2A3TRIUMF, Vancouver, BC V6T 2A3, Canada Osaka Electrocommun Univ, Phys Lab, Osaka 5728530, Japan Osaka Electrocommun Univ Osaka Japan 5728530 s Lab, Osaka 5728530, Japan
Titolo Testata:
PHYSICAL REVIEW LETTERS
fascicolo: 13, volume: 8713, anno: 2001,
pagine: 2504 -
SICI:
0031-9007(20010924)8713:13<2504:POHLH->2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
DECAYS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Ahn, JK Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea Pusan Natl Univ Pusan South Korea 609735 san 609735, South Korea
Citazione:
J.K. Ahn et al., "Production of H-4(Lambda Lambda) hypernuclei - art. no. 132504", PHYS REV L, 8713(13), 2001, pp. 2504

Abstract

An experiment demonstrating the production of double- Lambda hypernuclei in (K-, K+) reactions on Be-9 was carried out at the D6 line in the BNL alternating-gradient synchrotron. The technique was the observation of pions produced in sequential mesonic weak decay, each pion associated with one unitof strangeness change. The results indicate the production of a significant number of the double hypernucleus H-4(Lambda Lambda) and the twin hypernuclei H-4(Lambda) and H-3(Lambda). The relevant decay chains are discussed and a simple model of the production mechanism is presented. An implication of this experiment is that the existence of an S = -2 dibaryon more than a few MeV below the Lambda Lambda mass is unlikely.

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Documento generato il 07/07/20 alle ore 12:56:05