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1.
| Measurement of |Vus| using hadronic τ decays at Belle II
/ Géraldine Räuber ; Christoph Schwanda ; Gianluca Inguglia
[BELLE2-PTHESIS-2024-015]
Presented on 14 06 2024 PhD
2024
HEPHY
/ Vienna
This thesis presents a precise measurement of the CKM matrix element Vus using data collected at the Belle II experiment situated at the SuperKEKB electron- positron collider in Tsukuba, Japan. [...]
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2.
| Test of light-lepton universality in tau decays with data from the Belle II experiment
/ Paul Feichtinger ; Gianluca Inguglia ; Christoph Schwanda
[BELLE2-PTHESIS-2024-014]
Presented on 14 06 2024 PhD
2024
Atominstitut TU Wien / HEPHY
/ Vienna
This thesis investigates light-lepton universality with electron-positron collision data from the Belle~II experiment at the SuperKEKB accelerator in Tsukuba, Japan. [...]
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3.
| Multivariate analysis methods for the optimization of searches for new physics with leptons at Belle II
/ Lukas Goldschmied ; Christoph Schwanda ; Gianluca Inguglia
[BELLE2-MTHESIS-2024-008]
Presented on 29 04 2022 MSc
2022
HEPHY
/ Vienna
This thesis will cover the use of multiple multivariate analysis (MVA) methods ap- proaches for the identification of Leptons in the Belle II experiment. [...]
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4.
| Towards a Precision Measurement of Angular Observables in B decays at Belle II
/ Matthias Maurer ; Christoph Schwanda ; Gianluca Inguglia
[BELLE2-MTHESIS-2024-007]
Presented on 19 01 2023 MSc
2023
HEPHY
/ Vienna
The flavour changing neutral current b → sl+l− is considered to be one of the most promising particle transitions to search for new physics at the current point of time. [...]
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5.
| WG2: Exclusive SL B-decays at Belle/Belle II
/ Christoph Schwanda
[BELLE2-TALK-DRAFT-2023-142]
[BELLE2-TALK-CONF-2023-142]
18 September 2023
/ 12th International Workshop on the CKM Unitarity Triangle
This talk reviews the Belle II B0 -> D*- l+ nu untagged (winter 2023), the Belle B -> D*lnu tagged [Phys.Rev.D 108 (2023) 1, 012002 and update at EPS-HEP 2023] and the Belle B -> D**lnu results [Phys.Rev.D 107 (2023) 9, 092003]..
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6.
| Semileptonic decays and tests of lepton flavour universality at Belle II
/ Christoph Schwanda
[BELLE2-TALK-DRAFT-2023-125]
[BELLE2-TALK-CONF-2023-127]
20'
30 August 2023
/ 21st Lomonosov Conference on Elementary Particle Physics
(August 24-30, 2023)
This presentation reviews the first measurement of R(X) at the Y(4S), the first measurement of R(D*) at Belle II, the tests of light-lepton universality in angular asymmetries of B -> D*lnu, and the test of light-lepton universality in inclusive semileptonic B meson decays. [...]
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7.
| Determination of the Cabibbo-Koyabashi-Maskawa matrix elements |Vcb| and |Vub| at Belle and Belle II
/ Christoph Schwanda
[BELLE2-TALK-CONF-2023-057]
22 May 2023
/ International Conference on Precision Physics and Fundamental Physical Constants
A precise knowledge of the elements |𝑉𝑐𝑏| and |𝑉𝑢𝑏| of the CKM matrix is important to constraint the Standard Model of particle physics and predict the rate of ultra-rare 𝐵 meson decays such as 𝐵→𝜇𝜈 or 𝐵→𝐾𝜈𝜈¯. [...]
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8.
| Experimental flavor physics overview
/ Christoph Schwanda
[BELLE2-TALK-DRAFT-2023-047]
[BELLE2-TALK-CONF-2023-050]
11 April 2023
/ Potoroz 2023
Summary of the search for heavy flavour physics anomalies at the B factories, Belle II and LHCb..
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9.
| Semileptonic B decays at Belle II
/ Christoph Schwanda
[BELLE2-TALK-DRAFT-2023-026]
[BELLE2-TALK-CONF-2023-042]
18 March 2023
/ Rencontres de Moriond - Electroweak Interactions & Unified Theories
This talk covers recent results from Belle II on exclusive semileptonic B decays and determinations of the Cabibbo-Kobayashi-Maskawa matrix elements |Vcb| and |Vub| based on these measurements..
Fulltext: PDF; |
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10.
| Contribution of Belle/Belle II to the CKM unitarity
/ Christoph Schwanda
[BELLE2-TALK-DRAFT-2022-174]
[BELLE2-TALK-CONF-2022-134]
24 November 2022
/ 16th Central European Seminar on Particle Physics and Quantum Field Theory
This talk reviews updated constraints to the CKM unitarity triangle, in particular new measurements of |Vcb| and |Vub| and of phi3/gamma..
Fulltext: PDF; |
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