Journal
CHINESE PHYSICS C
Volume 41, Issue 2, Pages -Publisher
CHINESE PHYSICAL SOC
DOI: 10.1088/1674-1137/41/2/023106
Keywords
charmed baryon decay; decay asymmetry; e(+)e(-); collider
Categories
Funding
- National Natural Science Foundation of China [11375205, 11175146, 11275266, 11235011, 11425524, 11505010, 11565006]
- Beijing Municipal Government Foundation [KM201610017009, 2015000020124G064]
- Youth Innovation Promotion Association of CAS
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We propose to measure the decay asymmetry parameters in the hadronic weak decays of singly charmed baryons, such as Lambda(+)(c) -> Lambda pi(+), Sigma(0)pi(+), p (K) over bar (0), Xi(0)(c) -> Xi(-)pi(+) and Omega(0)(c) -> Omega(-)pi(+). The joint angular formulae for these processes are presented, and are used to extract the asymmetry parameters in e(+)e(-) annihilation data. Base on the current Lambda(+)(c) tdata set collected at BESIII, we estimate the experimental sensitivities to measure the parameters alpha(Lambda pi+) for Lambda(+)(c) -> Lambda pi(+), alpha(Sigma+pi 0) for Lambda(+)(c) -> Sigma(0)pi(+)and alpha(Sigma+pi+), for Lambda(+)(c) -> Sigma(0)pi(+).
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