Publication

Study of B± → D*CPK ± and DCPK± decays

Sun Hee Kim
2006
Journal Articles

Abstract

We report a study of the modes B± → DK ± and B± → DK± where D() decays to CP eigenstates. The data sample used contains 275 × 106 BB̄ events at the Y(4S) resonance collected by the Belle detector at the KEKB energy-asymmetric e+e- collider. The CP asymmetries obtained for DCPK are: script A sign1 = 0.06 ± 0.14(stat) ± 0.05(sys), script A sign2 = -0.12 ± 0.14(stat) ± 0.05(sys) and for DCPK: script A sign1 = -0.20 ± 0.22(stat) ± 0.04(sys), script A sign*2 = 0.13 ± 0.30(stat) ± 0.08(sys). © 2006 The American Physical Society.

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https://infoscience.epfl.ch/entities/publication/49ba9a9f-1234-485d-ba85-5cfd71f542a7

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Sun Hee Kim
2006
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/49ba9a9f-1234-485d-ba85-5cfd71f542a7

About this result

Related concepts (32)

Beta decay

In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which an atomic nucleus emits a beta particle (fast energetic electron or positron), transforming into an isobar of that nuclide. For example, beta decay of a neutron transforms it into a proton by the emission of an electron accompanied by an antineutrino; or, conversely a proton is converted into a neutron by the emission of a positron with a neutrino in so-called positron emission.

0 (zero) is a number representing an empty quantity. As a number, 0 fulfills a central role in mathematics as the additive identity of the integers, real numbers, and other algebraic structures. In place-value notation such as decimal, 0 also serves as a numerical digit to indicate that that position's power of 10 is not multiplied by anything or added to the resulting number. This concept appears to have been difficult to discover. Common names for the number 0 in English are zero, nought, naught (nɔːt), nil.

Belle experiment

The Belle experiment was a particle physics experiment conducted by the Belle Collaboration, an international collaboration of more than 400 physicists and engineers, at the High Energy Accelerator Research Organisation (KEK) in Tsukuba, Ibaraki Prefecture, Japan. The experiment ran from 1999 to 2010. The Belle detector was located at the collision point of the asymmetric-energy electron–positron collider, KEKB.

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Study of B± → D*CPK ± and DCPK± decays

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