S. Das

collaborators

14 papers

hep-ex2026

Search for the $B^{0} \to K_{S}^{0} I ¨ ^{+} I ¨ ^{-}$ decay

Belle, Belle II Collaborations, : +432

We present the first search for $B^{0} \to K_{S}^{0} I ¨ ^{+} I ¨ ^{-}$ decays. We look for signal decays in $B^{0} B ˉ^{0}$ events produced in asymmetric-energy electron-positron collisions.…

hep-ex2026

Measurement of mixing-induced CP violation in the decay $B^{0} \to I ¨ ^{0} I ¨ ^{0}$

Belle II Collaboration, M. Abumusabh, I. Adachi +437

Measurements of charge-parity (CP) violation in quark transitions provide stringent tests of the current theory and sensitive probes of particles or interactions beyond it. We repo…

hep-ex2026

First measurements of the branching fractions for the decay modes $I^_{c}^{0} \to I^ I^\cdot$ and $I^_{c}^{0} \to I^ I^\cdot^{'}$ and search for the decay $I^_{c}^{0} \to I^ I ¨ ^{0}$ using Belle and Belle II data

Belle, Belle II Collaborations, : +321

Using data samples of 988.4 fb $^{- 1}$ and 427.9 fb $^{- 1}$ collected with the Belle and Belle II detectors, we present a study of the singly Cabibbo-suppressed decays $Î_c^{0} \to…

hep-ex2025

Charged-hadron identification at Belle II

Belle II Collaboration, I. Adachi, H. Ahmed +408

The Belle II experiment's ability to identify particles critically affects the sensitivity of its measurements. We describe Belle II's algorithms for identifying charged particles…

hep-ex2025

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +436

We report measurements of time-dependent $C P$ asymmetries in $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decays based on a data sample of $(388 \pm 6) \times 1 0^{6}$ $B B ˉ$ events collected at the $Î¥(4…

hep-ex2025

Search for $C P$ violation in $I^_{c}^{+} \to I^£^{+} h^{+} h^{-}$ and $I^_{c}^{+} \to p h^{+} h^{-}$ at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +344

We report decay-rate $C P$ asymmetries of the singly-Cabibbo-suppressed decays $I^_{c}^{+} \to I^£^{+} h^{+} h^{-}$ and $I^_{c}^{+} \to p h^{+} h^{-}$ , with $h = K, I ¨ $ , measured using 428 fb $^{- 1}$ of $e^{+} e^{-}$ …

Search for the B0→KS0​I¨+I¨− decay

Measurement of mixing-induced CP violation in the decay B0→I¨0I¨0

First measurements of the branching fractions for the decay modes I^c0​→I^I^⋅ and I^c0​→I^I^⋅′ and search for the decay I^c0​→I^I¨0 using Belle and Belle II data

Charged-hadron identification at Belle II

Measurement of CP asymmetries in B0→KS0​I¨0I^3 decays at Belle II

Search for CP violation in I^c+​→I^£+h+h− and I^c+​→ph+h− at Belle II

Search for the $B^{0} \to K_{S}^{0} I ¨ ^{+} I ¨ ^{-}$ decay

Measurement of mixing-induced CP violation in the decay $B^{0} \to I ¨ ^{0} I ¨ ^{0}$

First measurements of the branching fractions for the decay modes $I^_{c}^{0} \to I^ I^\cdot$ and $I^_{c}^{0} \to I^ I^\cdot^{'}$ and search for the decay $I^_{c}^{0} \to I^ I ¨ ^{0}$ using Belle and Belle II data

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decays at Belle II

Search for $C P$ violation in $I^_{c}^{+} \to I^£^{+} h^{+} h^{-}$ and $I^_{c}^{+} \to p h^{+} h^{-}$ at Belle II