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Lifetime measurement of {sub {Lambda}}{sup 4}H hypernucleus

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Abstract

Results are reported on a lifetime measurement of {sub {Lambda}}{sup 4}H formed in {sup 4}He (stopped K{sup -}, {pi}{sup 0}) reaction. Decay of {sub {Lambda}}{sup 4}H was clearly identified by observing the monochromatic {pi}{sup 0} peak from two-body decay ({sub {Lambda}}{sup 4}H {yields} {sup 4}He + {pi}{sup -} p{sub {pi}} = 132.9 MeV/c). The lifetime of {sub {Lambda}}{sup 4}H was determined to be {tau}({sub {Lambda}}{sup 4}H) = 194{sub -26}{sup +24} ps from a distribution of time difference between the K{sup -} injection and {pi}{sup -} emission. (author)
Authors:
Publication Date:
Feb 01, 1992
Product Type:
Technical Report
Report Number:
INS-914
Reference Number:
SCA: 663110; PA: JPN-92:004236; SN: 92000733671
Resource Relation:
Other Information: PBD: Feb 1992
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; HYPERNUCLEI; HYDROGEN 4; LIFETIME; LAMBDA PARTICLES; HELIUM 4 TARGET; KAON MINUS REACTIONS; PIONS MINUS; EXPERIMENTAL DATA; 663110; GENERAL AND AVERAGE PROPERTIES OF NUCLEI AND NUCLEAR ENERGY LEVELS
OSTI ID:
10142713
Research Organizations:
Tokyo Univ., Tanashi (Japan). Inst. for Nuclear Study
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE92515032; TRN: JP9204236
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
JPN
Size:
7 p.
Announcement Date:
Jul 05, 2005

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Citation Formats

Outa, H, Aoki, M, Hayano, R S, Ishikawa, T, Iwasaki, M, Sakaguchi, A, Takada, E, Tamura, H, and Yamazaki, T. Lifetime measurement of {sub {Lambda}}{sup 4}H hypernucleus. Japan: N. p., 1992. Web.
Outa, H, Aoki, M, Hayano, R S, Ishikawa, T, Iwasaki, M, Sakaguchi, A, Takada, E, Tamura, H, & Yamazaki, T. Lifetime measurement of {sub {Lambda}}{sup 4}H hypernucleus. Japan.
Outa, H, Aoki, M, Hayano, R S, Ishikawa, T, Iwasaki, M, Sakaguchi, A, Takada, E, Tamura, H, and Yamazaki, T. 1992. "Lifetime measurement of {sub {Lambda}}{sup 4}H hypernucleus." Japan.
@misc{etde_10142713,
title = {Lifetime measurement of {sub {Lambda}}{sup 4}H hypernucleus}
 author = {Outa, H, Aoki, M, Hayano, R S, Ishikawa, T, Iwasaki, M, Sakaguchi, A, Takada, E, Tamura, H, and Yamazaki, T}
 abstractNote = {Results are reported on a lifetime measurement of {sub {Lambda}}{sup 4}H formed in {sup 4}He (stopped K{sup -}, {pi}{sup 0}) reaction. Decay of {sub {Lambda}}{sup 4}H was clearly identified by observing the monochromatic {pi}{sup 0} peak from two-body decay ({sub {Lambda}}{sup 4}H {yields} {sup 4}He + {pi}{sup -} p{sub {pi}} = 132.9 MeV/c). The lifetime of {sub {Lambda}}{sup 4}H was determined to be {tau}({sub {Lambda}}{sup 4}H) = 194{sub -26}{sup +24} ps from a distribution of time difference between the K{sup -} injection and {pi}{sup -} emission. (author)}
 place = {Japan}
 year = {1992}
 month = {Feb}
 }