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20162023
most citedMeasurement of the branching ratio of relative to decays with a semileptonic tagging method

362 citations · 418 across the 9 of their papers we have counts for

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14 papers · 1 filter

hep-ex2019

Search for an invisibly decaying boson at Belle II in plus missing energy final states

Belle II Collaboration, I. Adachi, P. Ahlburg +358

Theories beyond the standard model often predict the existence of an additional neutral boson, the . Using data collected by the Belle II experiment during 2018 at the…

hep-ex2019

Test of lepton-flavor universality in decays at Belle

Belle Collaboration, S. Wehle, I. Adachi +179

We present a measurement of , the branching fraction ratio / , for both charged and neutral meso…

hep-ex2019★ 8 cited

Evidence for and observation of

Belle Collaboration, K. Chilikin, I. Adachi +173

A search for the decays and is performed. Evidence for the decay is found; its significance is $4.8σ…

hep-ex2017

Observation of an alternative candidate in

Belle Collaboration, K. Chilikin, I. Adachi +167

We perform a full amplitude analysis of the process , where refers to either or . A new charmoniumlike state that decay…

hep-ex2016

Lepton-Flavor-Dependent Angular Analysis of

Belle Collaboration, S. Wehle, C. Niebuhr +200

We present a measurement of angular observables and a test of lepton flavor universality in the decay, where is either or . The analysis is…

hep-ex2016

Measurement of the lepton polarization and in the decay

S. Hirose, T. Iijima, I. Adachi +191

We report the first measurement of the lepton polarization in the decay as well as a new measurement of the ratio of the branch…