M. Kumar

Search for charged lepton flavor violating decays of $I^¥ (1 S)$

Belle Collaboration, S. Patra, V. Bhardwaj +216

We present a search for the charged lepton-flavor-violating decays $I^¥ (1 S) \to ℓ ℓ^{'}$ and radiative charged lepton-flavour-violating decays $Î¥(1S)\rightarrowÎ³\ell…

hep-ex2026

Reconstruction of atmospheric neutrinos in DUNE's horizontal-drift far-detector module

DUNE Collaboration, S. Abbaslu, F. Abd Alrahman +1377

This paper reports on the capabilities in reconstructing and identifying atmospheric neutrino interactions in one of the Deep Underground Neutrino Experiment's (DUNE) far detector…

Measurement of branching fractions of $I^_{c}^{+} \to p K_{S}^{0} K_{S}^{0}$ and $I^_{c}^{+} \to p K_{S}^{0} I^\cdot$ at Belle

Belle Collaboration, L. K. Li, K. Kinoshita +204

We present a study of a singly Cabibbo-suppressed decay $I^_{c}^{+} \to p K_{S}^{0} K_{S}^{0}$ and a Cabibbo-favored decay $I^_{c}^{+} \to p K_{S}^{0} I^\cdot$ based on 980 $f b^{- 1}$ of data collected by t…

physics.ins-det2022

Measurement of the cluster position resolution of the Belle II Silicon Vertex Detector

R. Leboucher, K. Adamczyk, L. Aggarwal +78

The Silicon Vertex Detector (SVD), with its four double-sided silicon strip sensor layers, is one of the two vertex sub-detectors of Belle II operating at SuperKEKB collider (KEK,…

Evidence for the decay $I^c ◯_{c}^{0} \to I ¨ ^{+} I^c ◯ (2012)^{-} \to I ¨ ^{+} (K ˉ I^)^{-}$

Belle Collaboration, Y. Li, S. S. Tang +190

Using a data sample of 980~fb $^{- 1}$ collected with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present evidence for the $I^c ◯ (2012)^{-}$ in the re…

Search for the decay $B_{s}^{0} \to I ¨ ^{0} I ¨ ^{0}$ at Belle

Belle Collaboration, J. Borah, B. Bhuyan +211

We report the results of the first search for the decay $B_{s}^{0} \to I ¨ ^{0} I ¨ ^{0}$ using $121.4 f b^{- 1}$ of data collected at the $I^¥ (5 S)$ resonance with the Belle detecto…

Reconstruction of $B \to I ¨ ℓ I^½_{ℓ}$ decays identified using hadronic decays of the recoil $B$ meson in 2019 -- 2021 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +580

We present results on the semileptonic decays $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ and $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ in a sample corresponding to 189.9/fb of Belle II data at the SuperKEK…

hep-ex2026

First Light from Beam Neutrinos on an LAPPD in ANNIE

B. W. Adams, S. Abubakar, D. Ajana +71

The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is both a physics experiment and a technology testbed for next-generation light-based neutrino detection. In this pa…

physics.flu-dyn2022

Machine learning assisted modeling of thermohydraulic correlations for heat exchangers with twisted tape inserts

J. P. Panda, B. Kumar, A. K. Patil +1

This article presents the application of machine learning (ML) algorithms in modeling of the heat transfer correlations (e.g. Nusselt number and friction factor) for a heat exchang…

cond-mat.str-el2010

1:1 alkali-TCNQ salts and the bond order wave (BOW) phase of half-filled linear Hubbard-type models

Z G. Soos, M. Kumar, S. Ramasesha +1

The bond order wave (BOW) phase of half-filled linear Hubbard-type models is narrow and difficult to characterize aside from a few ground state properties. The BOW phase of a frust…

Tests of light-lepton universality in angular asymmetries of $B^{0} \to D^{*-} ℓ I^½$ decays

Belle II Collaboration, I. Adachi, K. Adamczyk +416

We present the first comprehensive tests of light-lepton universality in the angular distributions of semileptonic $B^{0}$ -meson decays to charged spin-1 charmed mesons. We measure f…

Two-particle angular correlations in $e^{+} e^{-}$ collisions to hadronic final states in two reference coordinates at Belle

Belle Collaboration, Y. -C. Chen, Y. -J. Lee +188

We present the analysis of two-particle angular correlations using coordinate systems defined with the conventional beam axis and the event thrust axis, and propose the latter to b…

Measurement of two-photon decay width of $I ¨ _{c 2} (1 P)$ in $I^^{3} I^^{3} \to I ¨ _{c 2} (1 P) \to J / I ¨ I^^{3}$ at Belle

The Belle Collaboration, Y. Seino, K. Hayasaka +194

We report the measurement of the two-photon decay width of $I ¨ _{c 2} (1 P)$ in two-photon processes at the Belle experiment. We analyze the process $ Î³Î³\rightarrow Ï_{c2}(1P) \righ…

physics.ins-det2025

The DUNE Phase II Detectors

DUNE Collaboration, A. Abed Abud, R. Acciarri +1340

The international collaboration designing and constructing the Deep Underground Neutrino Experiment (DUNE) at the Long-Baseline Neutrino Facility (LBNF) has developed a two-phase s…

Search for the Decay $B_{s}^{0} \to I^\cdot^{'} I^\cdot$

Belle Collaboration, N. K. Nisar, V. Savinov +197

We report the results of the first search for the decay $B_{s}^{0} \to I^\cdot^{'} I^\cdot$ using $121.4 fb^{- 1}$ of data collected at the $I^¥ (5 S)$ resonance with the Belle d…

cond-mat.supr-con2008

Effect of pressure on the magnetostructural transition in SrFe2As2

M. Kumar, M. Nicklas, A. Jesche +7

We present a systematic pressure study of poly- and single crystalline SrFe2As2 by electrical resistivity and X-ray diffraction measurements. SrFe2As2 exhibits a structural phase t…

Search for lepton-flavor-violating $I ¨ $ decays into a lepton and a vector meson using the full Belle data sample

Belle Collaboration, N. Tsuzuki, K. Inami +180

Charged-lepton-flavor-violation is predicted in several new physics scenarios. We update the analysis of $I ¨ $ lepton decays into a light charged lepton ( $ℓ$ = $e^{\pm}$ or $Î¼^{…

cond-mat.supr-con2010

Competition of local-moment ferromagnetism and superconductivity in Co-substituted EuFe2As2

M. Nicklas, M. Kumar, E. Lengyel +2

In contrast to SrFe2As2, where only the iron possesses a magnetic moment, in EuFe2As2 an additional large, local magnetic moment is carried by Eu2+. Like SrFe2As2, EuFe2As2 exhibit…

Towards mono-energetic virtual $I^½$ beam cross-section measurements: A feasibility study of $I^½$ -Ar interaction analysis with DUNE-PRISM

DUNE Collaboration, S. Abbaslu, A. Abed Abud +1321

Neutrino-nucleus cross-section measurements are critical for future neutrino oscillation analyses. However, our models to describe them require further refinement, and a deeper und…

Measurements of the branching fractions of the semileptonic decays $I^_{c}^{0} \to I^^{-} ℓ^{+} I^½_{ℓ}$ and the asymmetry parameter of $I^_{c}^{0} \to I^^{-} I ¨ ^{+}$

Belle Collaboration, Y. B. Li, C. P. Shen +182

Using data samples of 89.5 and 711 fb $^{- 1}$ recorded at energies of $s = 10.52$ and $10.58$ GeV, respectively, with the Belle detector at the KEKB $e^{+} e^{-}$ collider, we repor…

Measurement of Two-Particle Correlations of Hadrons in $e^{+} e^{-}$ Collisions at Belle

Y. -C. Chen, Y. -J. Lee, P. Chang +174

The measurement of two-particle angular correlation functions in high-multiplicity $e^{+} e^{-}$ collisions at $s = 10.52$ GeV is reported. In this study, the $89.5~{\text{fb}}^{-1…

Measurement of the branching fraction of $I^_{c}^{0} \to I^_{c}^{+} I ¨ ^{-}$ at Belle

Belle Collaboration, S. S. Tang, Y. B. Li +171

Based on a data sample of 983 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present the study of the heavy-flavor-conserving decay…

Measurement of the branching fraction and $C P$ asymmetry for $B \to D ˉ^{0} I ¨ $ decays

Belle Collaboration, T. Bloomfield, M. E. Sevior +212

We measure the branching fractions and $C P$ asymmetries for the decays $B^{0} \to D ˉ^{0} I ¨ ^{0}$ and $B^{+} \to D ˉ^{0} I ¨ ^{+}$ , using a data sample of $772 \times 1 0^{6}$ $B\b…

First Measurement of the $I^_{c}^{+} \to p I^\cdot^{'}$ decay

Belle Collaboration, S. X. Li, J. X. Cui +197

We present the first measurement of the branching fraction of the singly Cabibbo-suppressed (SCS) decay $I^_{c}^{+} \to p I^\cdot^{'}$ with $I^\cdot^{'} \to I^\cdot I ¨ ^{+} I ¨ ^{-}$ , using a data sample correspond…

cond-mat.str-el2024

Evidence of random spin-singlet state in a three-dimensional quantum spin liquid candidate Sr $_{3}$ CuNb $_{2}$ O $_{9}$

S. M. Hossain, S. S. Rahaman, H. Gujrati +5

Disorder is ubiquitous in any quantum many-body system and is usually considered to be an obstacle to the elucidation of the underlying physics of complex systems, but its presence…

First measurement of the $B^{+} \to I ¨ ^{+} I ¨ ^{0} I ¨ ^{0}$ branching fraction and \textit{CP} asymmetry

Belle Collaboration, Y. -T. Lai, I. Adachi +198

We study $B^{+} \to I ¨ ^{+} I ¨ ^{0} I ¨ ^{0}$ using 711 $fb^{- 1}$ of data collected at the $I^¥ (4 S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ colli…

Evidence for the singly Cabibbo-suppressed decay $I^c ◯_{c}^{0} \to I^^{-} I ¨ ^{+}$ and search for $I^c ◯_{c}^{0} \to I^^{-} K^{+}$ and $I^c ◯^{-} K^{+}$ decays at Belle

Belle Collaboration, X. Han, S. Jia +170

Using a data sample of 980 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we study for the first time the singly Cabibbo-suppressed de…

Search for the dark photon in $B^{0} \to A^{'} A^{'}$ , $A^{'} \to e^{+} e^{-}$ , $I^¼^{+} I^¼^{-}$ , and $I ¨ ^{+} I ¨ ^{-}$ decays at Belle

S. -H. Park, Y. -J. Kwon, I. Adachi +216

We present a search for the dark photon $A^{'}$ in the $B^{0} \to A^{'} A^{'}$ decays, where $A^{'}$ subsequently decays to $e^{+} e^{-}$ , $I^¼^{+} I^¼^{-}$ , and $Ï^+ Ï^-…

physics.acc-ph2025

European Contributions to Fermilab Accelerator Upgrades and Facilities for the DUNE Experiment

DUNE Collaboration, A. Abed Abud, R. Acciarri +1340

The Proton Improvement Plan (PIP-II) to the FNAL accelerator chain and the Long-Baseline Neutrino Facility (LBNF) will provide the world's most intense neutrino beam to the Deep Un…

First decay-time-dependent analysis of $B^{0} \to K_{S}^{0} I ¨ ^{0}$ at Belle II

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +590

We report measurements of the branching fraction ( $B$ ) and direct $C P$ -violating asymmetry ( $A_{C P}$ ) of the charmless decay $B^{0} \to K^{0} I ¨ ^{0}$ at Belle II. A sample of…

Measurement of the Resonant and Non-Resonant Branching Ratios in $I^_{c}^{0} \to I^^{0} K^{+} K^{-}$

J. T. McNeil, J. Yelton, J. Bennett +192

Using the entire data sample of $980$ $f b^{- 1}$ integrated luminosity collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present an amplitude…

astro-ph.SR2022

A Study of the Magnetic Activity and Variability of GJ 436

M. Kumar, R. Fares

We present a magnetic activity study of GJ 436 using spectroscopic data from HARPS, spanning over 14 years, and additional data from NARVAL, falling within the HARPS observations.…

Study of $e^{+} e^{-} \to I^¥ (1S, 2S) I^\cdot$ and $e^{+} e^{-} \to I^¥ (1S) I^\cdot^{'}$ at $s = 10.866$ GeV with the Belle detector

Belle Collaboration, E. Kovalenko, A. Garmash +179

We report the first observation of the processes $e^{+} e^{-} \to I^¥ (1S, 2S) I^\cdot$ at $s = 10.866$ ~GeV with a $10.2 I ¨ $ and $16.5 I ¨ $ significance respectively. The measured Born cross…

New graph-neural-network flavor tagger for Belle II and measurement of $sin 2 I ¨ _{1}$ in $B^{0} \to J / I ¨ K_{S}^{0}$ decays

Belle II Collaboration, I. Adachi, L. Aggarwal +413

We present GFlaT, a new algorithm that uses a graph-neural-network to determine the flavor of neutral $B$ mesons produced in $I^¥ (4 S)$ decays. It improves previous algorithms by usi…

Measurements of $q^{2}$ Moments of Inclusive $B \to X_{c} ℓ^{+} I^½_{ℓ}$ Decays with Hadronic Tagging

Belle Collaboration, R. van Tonder, L. Cao +202

We present the measurement of the first to fourth order moments of the four-momentum transfer squared, $q^{2}$ , of inclusive $B \to X_{c} ℓ^{+} I^½_{ℓ}$ decays using the ful…

Exclusive $B \to X_{u} ℓ I^½_{ℓ}$ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb $^{- 1}$ of Belle II Data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +565

We present a reconstruction in early data of the semileptonic decay $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ , and first results of a reconstruction of the decays $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ …

Measurement of Branching Fraction and Search for $C P$ Violation in $B \to I ¨ I ¨ K$

S. Mohanty, A. B. Kaliyar, V. Gaur +183

We report the measurement of branching fractions and $C P$ -violation asymmetries in $B \to I ¨ I ¨ K$ decays based on a $711 fb^{- 1}$ data sample containing $772 \times 1 0^{6}$ $B\ba…

Measurement of the branching fraction for $B^{0} \to I ¨ ^{0} I ¨ ^{0}$ decays reconstructed in 2019-2020 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +551

We report the first reconstruction of the $B^{0} \to I ¨ ^{0} I ¨ ^{0}$ decay mode at Belle II using samples of 2019 and 2020 data that correspond to 62.8 fb $^{- 1}$ of integrated lumin…

$I ¨ $ lepton mass measurement at Belle II

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +539

The reconstruction of tau-pair production, $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-}$ , from the subsequent 3-prong ( $I ¨ ^{+} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{+} I^ˉ ½_{I ¨} $ ) and 1-prong ($Ï^{-} \to…

cond-mat.mes-hall2020

Quantum tomography of electrical currents

R. Bisognin, A. Marguerite, B. Roussel +12

In quantum nanoelectronics, time-dependent electrical currents are built from few elementary excitations emitted with well-defined wavefunctions. However, despite the realization o…

Measurement of the energy dependence of the $e^{+} e^{-} \to B B ˉ$ , $B B ˉ^{}$ , and $B^{} B ˉ^{*}$ cross sections at Belle~II

Belle II Collaboration, I. Adachi, L. Aggarwal +466

We report measurements of the $e^{+} e^{-} \to B B ˉ$ , $B B ˉ^{*}$ , and $B^{*} B ˉ^{*}$ cross sections at four energies, 10653, 10701, 10746 and 10805 MeV, using data collected b…

The Large Hadron-Electron Collider at the HL-LHC

P. Agostini, H. Aksakal, S. Alekhin +333

The Large Hadron electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting ener…

Search for lepton-flavor-violating tau-lepton decays to $ℓ I^^{3}$ at Belle

K. Uno, K. Hayasaka, K. Inami +178

Charged lepton flavor violation is forbidden in the Standard Model but possible in several new physics scenarios. In many of these models, the radiative decays $Ï^{\pm}\rightarrow…

Determination of $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ}$ decays with Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +416

We determine the CKM matrix-element magnitude $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ}$ decays reconstructed in $189 fb^{- 1}$ of collision data colle…

cond-mat.supr-con2014

Superconducting properties of K $_{1 - x}$ Na $_{x}$ Fe $_{2}$ As $_{2}$ under pressure

V. Grinenko, W. Schottenhamel, A. U. B. Wolter +18

The effect of hydrostatic pressure and partial Na substitution on the normal-state properties and the superconducting transition temperature ( $T_{c}$ ) of K $_{1 - x}$ Na $_{x}$ Fe $_{2}$ As $_{2}$ …

Search for charged-lepton flavor violation in $I^¥ (2 S) \to ℓ^{\mp} I ¨ ^{\pm}$ ( $ℓ = e, I^¼$ ) decays at Belle

R. Dhamija, S. Nishida, A. Giri +178

We report a search for the charged-lepton flavor violation in $I^¥ (2 S) \to ℓ^{\mp} I ¨ ^{\pm}$ ( $ℓ = e, I^¼$ ) decays using a $25~\fbi$ $I^¥ (2 S)$ sample collected by the Belle detector at…

Search for the $I^\cdot_{c 2} (1 D)$ in $e^{+} e^{-} \to I^^{3} I^\cdot_{c 2} (1 D)$ at $s$ near 10.6 GeV at Belle

Belle Collaboration, S. Jia, C. P. Shen +198

For the first time we search for the $I^\cdot_{c 2} (1 D)$ in $e^{+} e^{-} \to I^^{3} I^\cdot_{c 2} (1 D)$ at $s$ = 10.52, 10.58, and 10.867 GeV with data samples of 89.5 fb $^{- 1}$ , 711 fb $^{- 1}$ , and…

Search for a doubly-charged $D D K$ bound state in $I^¥ (1 S, 2 S)$ inclusive decays and via direct production in $e^{+} e^{-}$ collisions at $s$ = 10.520, 10.580, and 10.867 GeV

Belle Collaboration, Y. Li, S. Jia +205

We report the results of a first search for a doubly-charged $D D K$ bound state, denoted the $R^{++}$ , in $I^¥ (1 S)$ and $I^¥ (2 S)$ inclusive decays and via direct production in $e^+e^-…

physics.acc-ph2022

A Strategic Approach to Advance Magnet Technology for Next Generation Colliders

G. Ambrosio, K. Amm, M. Anerella +74

Colliders are built on a foundation of superconducting magnet technology that provides strong dipole magnets to maintain the beam orbit and strong focusing magnets to enable the ex…

Charmless $B$ decay reconstruction in 2019 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +533

We report on the reconstruction of various charmless $B$ decays from electron-positron collisions at the energy corresponding to the $I^¥ (4 S)$ resonance collected with the Belle II…

physics.flu-dyn2026

Effect of Acoustics on Droplet Grouping Behaviour in a Single Stream of Droplets

M. Kumar, V. Vaikuntanathan, M. Ibach +5

Droplet and particle grouping can be influenced by applying an acoustic field and have practical applications such as particle scavenging and aerosol filters of engine exhaust and…

cond-mat.soft2025

Unravelling the Antimicrobial Action Mechanism of Ribosomal Protein S30

J. Bhatt Mitra, V. K. Sharma, M. Kumar +2

Ribosomal protein S30 (RS30) exhibits potent antimicrobial activity against a broad spectrum of bacteria. Despite its efficacy, the underlying action mechanism remained elusive. In…

An improved search for the electric dipole moment of the $I ¨ $ lepton

K. Inami, K. Hayasaka, I. Adachi +181

We report a measurement of the electric dipole moment of the $I ¨ $ lepton ( $d_{I ¨} $ ) using an 833~fb $^{- 1}$ data sample collected near the $I^¥ (4 S)$ resonance, with the Belle detector…

Rediscovery of $B \to I ¨ K^{()}$ decays and measurement of the longitudinal polarization fraction $f_{L}$ in $B \to I ¨ K^{}$ decays using the Summer 2020 Belle II dataset

F. AbudinÃ©n, I. Adachi, R. Adak +538

We utilize a sample of 34.6 fb $^{- 1}$ , collected by the Belle II experiment at the SuperKEKB asymmetric energy $e^{+} e^{-}$ collider, to search for the $B^{+} \to I ¨ K^{+}$ , $B^+ \to ÏK^{*…

Determination of $∣ V_{u b} ∣$ from simultaneous measurements of untagged $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ and $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ decays

Belle II Collaboration, I. Adachi, L. Aggarwal +417

We present a measurement of $∣ V_{u b} ∣$ from a simultaneous study of the charmless semileptonic decays $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ and $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ , where $\ell =…

Future Circular Collider Feasibility Study Report: Volume 1, Physics, Experiments, Detectors

M. Benedikt, F. Zimmermann, B. Auchmann +1461

Volume 1 of the FCC Feasibility Report presents an overview of the physics case, experimental programme, and detector concepts for the Future Circular Collider (FCC). This volume o…

cond-mat.mes-hall2021

Quantum confinement suppressing electronic heat flow below the Wiedemann-Franz law

D. Majidi, M. Josefsson, M. Kumar +5

The Wiedemann-Franz law states that the charge conductance and the electronic contribution to the heat conductance are proportional. This sets stringent constraints on efficiency b…

cond-mat.supr-con2012

Hole-doping in BaFe $_{2}$ As $_{2}$ : The case of Ba $_{1 - x}$ Na $_{x}$ Fe $_{2}$ As $_{2}$ single crystals

S. Aswartham, M. Abdel-Hafiez, D. Bombor +11

Single crystals of Ba $_{1 - x}$ Na $_{x}$ Fe $_{2}$ As $_{2}$ with $x$ = 0, 0.25, 0.35, 0.4 were grown using a self-flux high temperature solution growth technique. The superconducting and norma…

Measurement of the branching fraction $B (B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ})$ with early Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +533

We measure the branching fractions for the decays $B ˉ^{0} \to D^{*+} e^{-} I^ˉ ½_{e}$ and $B ˉ^{0} \to D^{*+} I^¼^{-} I^ˉ ½_{I^} ¼$ using $8.70 \pm 0.09 fb^{- 1}$ of data coll…

Measurement of $C P$ asymmetries in $B^{0} \to I^\cdot^{'} K_{s}^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +399

We describe a measurement of charge-parity ( $C P$ ) violation asymmetries in $B^{0} \to I^\cdot^{'} K_{S}^{0}$ decays using Belle II data. We consider $I^\cdot^{'} \to I^\cdot (\to I^^{3} I^^{3}) I ¨ ^{+} I ¨ ^{-}$ and $Î·'\toÏ(\toÏ^…

physics.ins-det2025

Spatial and Temporal Evaluations of the Liquid Argon Purity in ProtoDUNE-SP

DUNE Collaboration, S. Abbaslu, A. Abed Abud +1320

Liquid argon time projection chambers (LArTPCs) rely on highly pure argon to ensure that ionization electrons produced by charged particles reach readout arrays. ProtoDUNE Single-P…

Measurement of Differential Distributions of $B \to D^{*} ℓ I^ˉ ½_{ℓ}$ and Implications on $∣ V_{c b} ∣$

Belle Collaboration, M. T. Prim, F. Bernlochner +212

We present a measurement of the differential shapes of exclusive $B \to D^{*} ℓ I^ˉ ½_{ℓ}$ ( $B = B^{-}, B ˉ^{0}$ and $ℓ = e, I^¼$ ) decays with hadronic tag-side reconstruction…

Measurement of the time-integrated mixing probability $I ¨ _{d}$ with a semileptonic double-tagging strategy and $34.6 fb^{- 1}$ of Belle II collision data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +550

We present the first measurement of the time-integrated mixing probability $I ¨ _{d}$ using Belle II data collected at a center-of-mass (CM) energy of 10.58 GeV, corresponding to the m…

Search for an invisibly decaying $Z^{'}$ boson at Belle II in $e^{+} e^{-} \to I^¼^{+} I^¼^{-} (e^{\pm} I^¼^{\mp})$ 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 $Z^{'}$ . Using data collected by the Belle II experiment during 2018 at the…

Precise measurement of the $D_{s}^{+}$ lifetime at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +359

We measure the lifetime of the $D_{s}^{+}$ meson using a data sample of 207 fb $^{- 1}$ collected by the Belle II experiment running at the SuperKEKB asymmetric-energy $e^{+} e^{-}$ collider…

physics.ins-det2022

The Silicon Vertex Detector of the Belle II Experiment

G. Dujany, K. Adamczyk, L. Aggarwal +78

In 2019 the Belle II experiment started data taking at the asymmetric SuperKEKB collider (KEK, Japan) operating at the Y(4S) resonance. Belle II will search for new physics beyond…

Measurements of branching fractions and direct CP asymmetries in $B^{0} \to K^{+} I ¨ ^{-}$ , $B^{+} \to K_{S}^{0} I ¨ ^{+}$ and $B^{0} \to I ¨ ^{+} I ¨ ^{-}$ using 2019 and 2020 data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +549

We report updated measurements of branching fractions ( $B$ ) and CP-violating charge asymmetries ( $A_{CP}$ ) for charmless $B$ decays at Belle II, which opera…

Search for a $I^¼^{+} I^¼^{-}$ resonance in four-muon final states at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +401

We report on a search for a resonance $X$ decaying to a pair of muons in $e^{+} e^{-} \to I^¼^{+} I^¼^{-} X$ events in the 0.212-9.000 GeV/ $c^{2}$ mass range, using 178 fb $^{- 1}$ o…

The study of $I^^{3} I^^{3} \to I^^{3} I ¨ (2 S)$ at Belle

X. L. Wang, B. S. Gao, W. J. Zhu +200

Using $980 f b^{- 1}$ of data on and around the $I^¥ (n S) (n = 1, 2, 3, 4, 5)$ resonances collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, the two-photon…

Search for $B_{s}^{0} \to ℓ^{\mp} I ¨ ^{\pm}$ with the Semi-leptonic Tagging Method at Belle

Belle Collaboration, L. Nayak, S. Nishida +189

We present a search for the lepton-flavor-violating decays $B_{s}^{0} \to ℓ^{\mp} I ¨ ^{\pm}$ , where $ℓ = e, I^¼$ , using the full data sample of $121 fb^{- 1}$ coll…

Measurement of the $D^{0} \to K^{-} I ¨ ^{+} e^{+} e^{-}$ branching fraction and search for $D^{0} \to I ¨ ^{+} I ¨ ^{-} e^{+} e^{-}$ and $D^{0} \to K^{+} K^{-} e^{+} e^{-}$ decays at Belle

Belle, Belle II Collaborations, : +481

We present a study of the rare charm meson decays $D^{0} \to K^{+} K^{-} e^{+} e^{-}$ , $I ¨ ^{+} I ¨ ^{-} e^{+} e^{-}$ , and $K^{-} I ¨ ^{+} e^{+} e^{-}$ using a 942 fb $^{- 1}$ data se…

hep-ph2013

Effect of both Z and Z^prime - mediated flavor-changing neutral currents on $B_{s}$ decays into $t a u^{+} t a u^{-}$

S. Sahoo, D. Banerjee, M. Kumar +1

In recent years, $B_{s}$ decays into $t a u^{+} t a u^{-}$ has attracted a lot of attention since it is very sensitive to the structure of standard model (SM) and potential source of new phys…

Study of $I ¨ _{b J} (2 P) \to I ¨ I^¥ (1 S)$ at Belle

Belle Collaboration, Z. S. Stottler, T. K. Pedlar +179

We report a study of the hadronic transitions $I ¨ _{b J} (2 P) \to I ¨ I^¥ (1 S)$ , with $I ¨ \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ , using $28.2 \times 1 0^{6} I^¥ (3 S)$ mesons recorded by the Belle detector. We pres…

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / I ¨ K$ decays at Belle II

We report a study of $B \to J / I ¨ (ℓ^{+} ℓ^{-}) K$ decays, where $ℓ$ represents an electron or a muon, using $e^{+} e^{-}$ collisions at the $I^¥ (4 S)$ resonance. The data were c…

Study of $I ¨ _{b J} (n P) \to I ¨ I^¥ (1 S)$ at Belle

Belle Collaboration, A. Abdesselam, I. Adachi +470

We report results from a study of hadronic transitions of the $I ¨ _{b J} (n P)$ states of bottomonium at Belle. The $P$ -wave states are reconstructed in transitions to the $I^¥ (1 S)$ wit…

Study of $I^¥ (10753)$ decays to $I ¨ ^{+} I ¨ ^{-} I^¥ (n S)$ final states at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +393

We present an analysis of the process $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I^¥ (n S)$ (where $n$ = 1, 2, or 3) reconstructed in $19.6$ $f b^{- 1}$ of Belle II data during a special run of t…

physics.atom-ph2012

Time interval and lattice vibration in Raman effect, photoelectric effect and plane mirror reflection

M. Kumar, S. Sahoo

Time interval between the incident and scattered photon in Raman effect and absorption of photon and emission of electron in photoelectric effect has not been determined till now.…

Determination of $∣ V_{c b} ∣$ from $B \to D ℓ I^½$ decays using 2019-2021 Belle II data

We present a determination of the magnitude of the Cabibbo-Kobayashi-Maskawa (CKM) matrix element $V_{c b}$ using $B \to D ℓ I^½$ decays. The result is based on $e^{+} e^{-} \to I^¥ (4 S)$ dat…

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

Belle II Collaboration, I. Adachi, K. Adamczyk +432

We present a measurement of time-dependent rate asymmetries in $B^{0} \to I ¨ K_{S}^{0}$ decays to search for non-standard-model physics in $b \to q q s$ transitions. The data samp…

cond-mat.supr-con2012

KFe2As2: coexistence of superconductivity and local moment derived spin-glass

V. Grinenko, M. Abdel-Hafiez, S. Aswartham +9

High-quality KFe2As2 single crystals have been studied by transport, magnetization and low-T specific heat measurements. Their analysis shows that superconductivity occurs (in some…

Measurement of the branching fraction and $CP$ -violating asymmetry of the decay $B^{0} \to I ¨ ^{0} I ¨ ^{0}$ using $387$ million bottom-antibottom meson pairs in Belle II data

Belle II Collaboration, I. Adachi, L. Aggarwal +437

We measure the branching fraction and $CP$ -violating flavor-dependent rate asymmetry of $B^{0} \to I ¨ ^{0} I ¨ ^{0}$ decays reconstructed using the Belle II detector in an electro…

Measurement of Exclusive $I ¨ ^{+}$ --argon Interactions Using ProtoDUNE-SP

DUNE Collaboration, S. Abbaslu, A. Abed Abud +1323

We present the measurement of $I ¨ ^{+}$ --argon inelastic cross sections using the ProtoDUNE Single-Phase liquid argon time projection chamber in the incident $I ¨ ^{+}$ kinetic energy r…

cond-mat.str-el2024

Origin of spin-driven ferroelectricity and effect of external pressure on the complex magnetism of 6H-perovskite Ba3HoRu2O9

E. Kushwaha, G. Roy, M. Kumar +7

The compound Ba3HoRu2O9 magnetically orders at 50 K (TN1) followed by another complex magnetic ordering at 10.2 K (TN2). The 2nd magnetic phase transition was characterized by the…

Measurement of the $e^{+} e^{-} \to B_{s}^{0} B ˉ_{s}^{0} X$ cross section in the energy range from $10.63$ to $11.02$ GeV using inclusive $D_{s}^{\pm}$ and $D^{0}$ production

Belle Collaboration, V. Zhukova, R. Mizuk +188

We report the first measurement of the inclusive $e^{+} e^{-} \to b b ˉ \to D_{s}^{\pm} X$ and $e^{+} e^{-} \to b b ˉ \to D^{0} / D ˉ^{0} X$ cross sections in the energy range from $10.63$ t…

Measurement of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^½_{ℓ}$ branching fraction with fully reconstructed $B$ meson decays and 34.6 fb $^{- 1}$ of Belle II data

Belle II Collaboration, F. Abudinen, I. Adachi +540

We present a first measurement of the $B^{0} ˉ \to D^{*+} ℓ^{-} I^½_{ℓ}$ branching fraction using fully reconstructed $B$ meson decays employing the Full Event Int…

cond-mat.str-el2012

Dominant ferromagnetism in the spin-1/2 half-twist ladder 334 compounds, Ba3Cu3In4O12 and Ba3Cu3Sc4O12

S. E. Dutton, M. Kumar, Z. G. Soos +2

The magnetic properties of polycrystalline samples of Ba3Cu3In4O12 (In-334) and Ba3Cu3Sc4O12 (Sc-334) are reported. Both 334 phases have a structure derived from perovskite, with C…

physics.ins-det2024

Using graph neural networks to reconstruct charged pion showers in the CMS High Granularity Calorimeter

M. Aamir, G. Adamov, T. Adams +568

A novel method to reconstruct the energy of hadronic showers in the CMS High Granularity Calorimeter (HGCAL) is presented. The HGCAL is a sampling calorimeter with very fine transv…

Observation of $B \to D^{(*)} K^{-} K_{S}^{0}$ decays using the 2019-2022 Belle II data sample

We present a measurement of the branching fractions of four $B^{0, -} \to D^{(*) +, 0} K^{-} K_{S}^{0}$ decay modes. The measurement is based on data from SuperKEKB electron-positron colli…

Search for $B^{+} \to K^{+} I^½ I^ˉ ½$ decays using an inclusive tagging method at Belle II

A search for the flavor-changing neutral-current decay $B^{+} \to K^{+} I^½ I^ˉ ½$ is performed at the Belle II experiment at the SuperKEKB asymmetric energy electron-positron collide…

Measurement of the branching fraction of the decay $B^{-} \to D^{0} I ¨ (770)^{-}$ at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +389

We measure the branching fraction of the decay $B^{-} \to D^{0} I ¨ (770)^{-}$ using data collected with the Belle II detector. The data contain 387 million $B B$ pairs produced…

Measurements of the branching fractions for $B \to K^{*} I^^{3}$ decays at Belle II

This paper reports a study of $B \to K^{*} I^^{3}$ decays using $62.8 \pm 0.6$ fb $^{- 1}$ of data collected during 2019--2020 by the Belle II experiment at the SuperKEKB $e^{+} e^{-}$ asym…

First observation of $B \to D ˉ_{1} (\to D ˉ I ¨ ^{+} I ¨ ^{-}) ℓ^{+} I^½_{ℓ}$ and measurement of the $B \to D ˉ^{()} I ¨ ℓ^{+} I^½_{ℓ}$ and $B \to D ˉ^{()} I ¨ ^{+} I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ branching fractions with hadronic tagging at Belle

Belle Collaboration, F. Meier, A. Vossen +202

We report measurements of the ratios of branching fractions for $B \to D ˉ^{(*)} I ¨ ℓ^{+} I^½_{ℓ}$ and $B \to D ˉ^{(*)} I ¨ ^{+} I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ relative to $B \to \bar{D}^*\ell…

Rediscovery of $B^{0} \to J / I ¨ K_{L}^{0}$ at Belle II

We present preliminary results on the reconstruction of the $B^{0} \to J / I ¨ K_{L}^{0}$ decay, where $J / I ¨ \to I^¼^{+} I^¼^{-}$ or $…

cond-mat.mtrl-sci2019

Ultrafast Spectroscopy of Bi2Se3 Topological Insulator

P. Sharma, D. Sharma, N. Vashistha +4

We investigate the ultrafast transient absorption spectrum of Bi2Se3 topological insulator. Bi2Se3 single crystal is grown through conventional solid-state reaction routevia self-f…

hep-ex2026

A Bayesian approach to the long-baseline neutrino oscillation sensitivity of DUNE

DUNE Collaboration, S. Abbaslu, F. Abd Alrahman +1278

The sensitivity of the Deep Underground Neutrino Experiment (DUNE) to neutrino oscillation is evaluated using a Bayesian Markov Chain Monte Carlo (MCMC) approach. This analysis use…

Measurement of the branching fractions of $B \to I^\cdot^{'} K$ decays using 2019/2020 Belle II data

This note describes the rediscovery of $B \to I^\cdot^{'} K$ decays in Belle II data, both in the charged and neutral final state: $B_{0} \to I^\cdot^{'} K_{S}$ and $B^{\pm} \to I^\cdot^{'} K^{\pm}$ . The $I^\cdot^{'}$ is searc…

Measurements of the branching fractions of $I^_{c}^{+} \to p I^\cdot$ and $I^_{c}^{+} \to p I ¨ ^{0}$ decays at Belle

Belle Collaboration, S. X. Li, C. P. Shen +204

We report measurements of the branching fractions of singly Cabibbo-suppressed decays $I^_{c}^{+} \to p I^\cdot$ and $I^_{c}^{+} \to p I ¨ ^{0}$ using the full Belle data sample corresponding to an…

Studies of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ}$ and $B^{-} \to D^{0} ℓ^{-} I^ˉ ½_{ℓ}$ decay processes with 34.6 fb $^{- 1}$ of Belle II data

We report measurements of the $B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{l}$ and $B^{-} \to D^{0} ℓ^{-} I^ˉ ½_{l}$ processes using 34.6 fb $^{- 1}$ of collision events recorded by the Bell…

First test of Lepton Flavor Universality in the charmed baryon decays $I^c ◯_{c}^{0} \to I^c ◯^{-} ℓ^{+} I^½_{ℓ}$ using data of the Belle experiment

Belle Collaboration, Y. B. Li, C. P. Shen +203

We present the first observation of the $I^c ◯_{c}^{0} \to I^c ◯^{-} I^¼^{+} I^½_{I^} ¼$ decay and present measurements of the branching fraction ratios of the $Î©_{c}^{0} \to Î©^{-} \ell^{+}…