Study of {Lambda}-{Lambda} oscillation in quantum coherent {Lambda}{Lambda} by using J/{psi}{yields}{Lambda}{Lambda} decay

Journal Article · Mon Mar 01 00:00:00 EST 2010 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.81.051901· OSTI ID:21415198

Xianwei, Kang ^[1]; Haibo, Li ^[1]; Gongru, Lu ^[2]

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1. Institute of High Energy Physics, P.O. Box 918, Beijing 100049 (China)
2. Department of Physics, Henan Normal University, Xinxiang 453007 (China)

We discuss the possibility of searching for the {Lambda}-{Lambda} oscillations for coherent {Lambda}{Lambda} production in the J/{psi}{yields}{Lambda}{Lambda} decay process. The sensitivity of measurement of {Lambda}-{Lambda} oscillation in the external field at BES-III experiment is considered. These considerations indicate an alternative way to probe the {Delta}B=2 amplitude in addition to neutron oscillation experiments. Both coherent and time-dependent information can be used to extract the {Lambda}-{Lambda} oscillation parameter. With one year's luminosity at BES-III, we can set an upper limit of {delta}m{sub {Lambda}{Lambda}<}10{sup -15} MeV at 90% confidence level, corresponding to about 10{sup -6} s of {Lambda}-{Lambda} oscillation time.

• OSTI ID: 21415198
• Journal Information: Physical Review. D, Particles Fields, Vol. 81, Issue 5; Other Information: DOI: 10.1103/PhysRevD.81.051901; (c) 2010 The American Physical Society; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
J PSI-3097 MESONS
LAMBDA PARTICLES
LUMINOSITY
NEUTRON OSCILLATION
OSCILLATIONS
PARTICLE DECAY
SENSITIVITY
TIME DEPENDENCE
BARYONS
BOSONS
CHARMONIUM
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ELEMENTARY PARTICLES
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HADRONS
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LAMBDA BARYONS
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OPTICAL PROPERTIES
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