2023-11-30 15:13 |
[PUBDB-2023-07370]
Journal Article
Adachi, I. ; Adamczyk, K. ; Aggarwal, L. ; et al
Measurement of CP Violation in B0→KS0π0 Decays at Belle II
[Belle II Preprint 2023-006; KEK Preprint 2023-2; arXiv:2305.07555]
We report a measurement of the CP-violating parameters C and S in B0→KS0π0 decays at Belle II using a sample of 387×106 BB¯ events recorded in e+e- collisions at a center-of-mass energy corresponding to the ϒ(4S) resonance. These parameters are determined by fitting the proper decay-time distribution of a sample of 415 signal events. [...]
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2023-11-30 15:08 |
[PUBDB-2023-07368]
Journal Article
Adachi, I. ; Aggarwal, L. ; Ahmed, H. ; et al
Determination of |Vcb| using B¯0→D*+ℓ-ν¯ℓ decays with Belle II
[Belle II Preprint 2023-014; KEK Preprint 2023-28; arXiv:2310.01170]
We determine the Cabibbo-Kobayashi-Maskawa matrix-element magnitude |Vcb| using B¯0→D*+ℓ-ν¯ℓ decays reconstructed in 189 fb-1 of collision data collected by the Belle II experiment, located at the SuperKEKB e+e- collider. Partial decay rates are reported as functions of the recoil parameter w and three decay angles separately for electron and muon final states. [...]
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2023-11-28 16:27 |
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2023-11-28 15:58 |
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2023-11-28 15:30 |
[PUBDB-2023-07273]
Journal Article
Keller, T. F. ; Shayduk, R. ; Kim, C. ; et al
Coherent x-ray diffraction of a semiregular Pt nanodot array
[NFFA Grant 101007417]
Structural insight into nano-objects down to the atomic scale is one of the most important prerequisites tounderstand the properties of functional materials and will ultimately permit one to relate the size and shape ofnanoparticles to their catalytic activity. We elucidate the potential of extracting structural information abouta small ensemble of nanoparticles that are semiregularly arranged on a periodic array from coherent x-rayBragg diffraction. [...]
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2023-11-27 21:04 |
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2023-11-27 20:41 |
[PUBDB-2023-07219]
Journal Article
Schnorr, K. ; Belina, M. ; Augustin, S. ; et al
Direct tracking of ultrafast proton transfer in water dimers
Upon ionization, water forms a highly acidic radical cation H$_2$O$^+$· that undergoes ultrafast proton transfer (PT)—a pivotal step in water radiation chemistry, initiating the production of reactive H$_3$O$^+$, OH radicals, and a (hydrated) electron. Until recently, the time scales, mechanisms, and state-dependent reactivity of ultrafast PT could not be directly traced [...]
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2023-11-27 09:57 |
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2023-11-24 12:33 |
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2023-11-24 11:31 |
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