An exact sum rule connects branching fractions of Lambda_b -> Lambda nu nubar and B -> K(*) nu nubar decays with coefficients identical to those in the b->c tau semileptonic sum rule.
Canonical reference
Altmannshofer et al., Belle II Collaboration,The Belle II Physics Book, PTEP2019(2019) no
Canonical reference. 100% of citing Pith papers cite this work as background.
29
Pith papers citing it
Background
100% of classified citations
citation-role summary
background 10
citation-polarity summary
roles
background 10polarities
background 10representative citing papers
Sum rules for b→cτν transitions to orbitally excited charm hadrons show larger deviations from heavy quark symmetry than ground states, with tensor effects often sizable, but current form factor uncertainties prevent robust lepton-universality predictions.
In the LRIS model, tau -> K pi nu tau has a differential forward-backward CP asymmetry up to ~2 x 10^-4, peaked near the K0*(1430) resonance.
Explores q² dependence and imaginary parts of tau g-2 and EDM in SMEFT and 2HDM, proposing methods to measure them at Belle II and STCF to improve a_τ bounds by over an order of magnitude.
A sum rule among LFU ratios R^{mu e} for c to d l nu decays holds within 1% under current NP bounds, yielding a prediction for the unmeasured R_n^{mu e} in Lambda_c to n l nu.
Hard final-state radiation measurably destroys the spin entanglement of fermion-antifermion pairs, and the effect should already be visible in LHC ttbar+jet and Belle II tau+tau-gamma data.
Future lepton colliders can improve existing constraints on the tau lepton's dipole moments by several orders of magnitude through complementary channels.
STCF with 1 ab^{-1} can probe several-TeV new-physics scales in sterile-neutrino EFT and constrain an RPV SUSY parameter to ~0.1 TeV^{-2} for apparent BNV in unexplored Lambda_c+ channels.
Freeze-in at low reheating temperatures allows MeV-scale dark matter in vector portal models to be probed by future direct detection experiments in nuclear recoils for 50-500 MeV masses and via enhanced solar neutrino coherent scattering.
Rare charm hadron decays offer clean null tests of the standard model that can reach branching ratios up to 10^{-3} for dark photons and 10^{-4} for ALPs in unconstrained parameter spaces.
In the B-LSSM the traditional mu-term dominates d_mu and d_tau while B-LSSM-specific CPV parameters also contribute, placing d_mu inside projected Phase-II sensitivity over substantial parameter space and allowing |d_tau| up to 10^{-21} e cm.
Neutral kaon mixing adds a CP-violating effect of order 10^{-6} to a_CP in D0 -> Ks Ks, arising only from second-order weak processes and thus negligible for experiments.
An extended 3-4-1 model with minimal inverse seesaw and a new singly charged Higgs fits (g-2)e,μ and LFV rates, with Br(τ→μγ) forcing a ~10^{-9} muon g-2 deviation.
Machine learning models trained on known hadron data and an extended Gürsey-Radicati mass formula predict masses for triply heavy baryons and numerous pentaquark states, agreeing with available data and forecasting unobserved states.
Silicon tracker PID suppresses backgrounds well for low-momentum b-tagging but requires drift-chamber cluster counting for high-momentum s-jet tagging, with 30 ps timing needed to improve rare b to s decay contamination by an order of magnitude over kinematics alone.
With 6×10^{12} Z bosons at FCC-ee, invisible B-meson branching fractions above 7.6×10^{-9} could be excluded at 90% CL using rectangular cuts and a multiclass BDT on simulated signal and background.
Proposes the first inclusive-tagging method based on asymptotically recursive vector sequences for reconstructing undetected particles like neutrinos in multi-neutrino collider events.
Radiative corrections introduce up to 7% bias on R(D) measurements in LHCb-like pseudo-experiments when using PHOTOS for soft-photon simulation.
New branching fraction measurements for tau decays to K(0-3)pi0, pi(3-4)pi0, and K- Ks0 nu_tau modes, plus |V_us| from inclusive tau to strange final states.
Model-independent study of B_c → D* ℓℓ decay shows sensitivity of branching fraction, forward-backward asymmetry, and angular observables to New Physics in b→d transitions.
Global analysis constrains fermionic DM to 120-350 GeV and CP-odd scalar to 350-600 GeV in a scotogenic extension, with DESI potentially ruling out inverted neutrino hierarchy and Z invisible width compatible with data at 3 sigma.
Belle II describes its charged-lepton identification algorithms and reports performance on 428 fb^{-1} of Run 1 data from SuperKEKB.
Model-independent calculation of differential branching ratio, forward-backward asymmetry, polarization, and angular coefficients in Bs → K* μ+μ- with 1D and 2D new physics scenarios in C7^NP, C9^(prime)NP, and C10^(prime)NP showing deviations from SM.
LHCb measures R(D*) and R(J/ψ); combined LHCb+Belle data yield 3.1σ tension with SM in R(D) and R(D*).
citing papers explorer
-
Baryon-Meson Sum Rule for $b \to s \nu\bar\nu$
An exact sum rule connects branching fractions of Lambda_b -> Lambda nu nubar and B -> K(*) nu nubar decays with coefficients identical to those in the b->c tau semileptonic sum rule.
-
$b \to c$ semileptonic sum rule: orbitally excited hadrons
Sum rules for b→cτν transitions to orbitally excited charm hadrons show larger deviations from heavy quark symmetry than ground states, with tensor effects often sizable, but current form factor uncertainties prevent robust lepton-universality predictions.
-
Forward backward CP asymmetry in $\tau^- \to K \pi \nu_{\tau}$ in the Left-Right Inverse seesaw model
In the LRIS model, tau -> K pi nu tau has a differential forward-backward CP asymmetry up to ~2 x 10^-4, peaked near the K0*(1430) resonance.
-
Probing the imaginary parts and their $q^2$ dependences for the tau $g-2$ and EDM
Explores q² dependence and imaginary parts of tau g-2 and EDM in SMEFT and 2HDM, proposing methods to measure them at Belle II and STCF to improve a_τ bounds by over an order of magnitude.
-
Semileptonic sum rules in heavy-to-light charm decays
A sum rule among LFU ratios R^{mu e} for c to d l nu decays holds within 1% under current NP bounds, yielding a prediction for the unmeasured R_n^{mu e} in Lambda_c to n l nu.
-
Experimental prospects for quantum decoherence measurements at colliders
Hard final-state radiation measurably destroys the spin entanglement of fermion-antifermion pairs, and the effect should already be visible in LHC ttbar+jet and Belle II tau+tau-gamma data.
-
Probing $\tau$ lepton dipole moments at future Lepton Colliders
Future lepton colliders can improve existing constraints on the tau lepton's dipole moments by several orders of magnitude through complementary channels.
-
Searching for apparent baryon number violation in $\Lambda_c^+$ decays at the Super Tau-Charm Facility
STCF with 1 ab^{-1} can probe several-TeV new-physics scales in sterile-neutrino EFT and constrain an RPV SUSY parameter to ~0.1 TeV^{-2} for apparent BNV in unexplored Lambda_c+ channels.
-
New benchmarks for direct detection of freeze-in dark matter in vector portal models
Freeze-in at low reheating temperatures allows MeV-scale dark matter in vector portal models to be probed by future direct detection experiments in nuclear recoils for 50-500 MeV masses and via enhanced solar neutrino coherent scattering.
-
Probing invisible particles with charm
Rare charm hadron decays offer clean null tests of the standard model that can reach branching ratios up to 10^{-3} for dark photons and 10^{-4} for ALPs in unconstrained parameter spaces.
-
The Muon and Tau Electric Dipole Moments in the B-L Supersymmetric Standard Model
In the B-LSSM the traditional mu-term dominates d_mu and d_tau while B-LSSM-specific CPV parameters also contribute, placing d_mu inside projected Phase-II sensitivity over substantial parameter space and allowing |d_tau| up to 10^{-21} e cm.
-
$CP$ violation in neutral kaon mixing in $D^0\rightarrow K_SK_S$
Neutral kaon mixing adds a CP-violating effect of order 10^{-6} to a_CP in D0 -> Ks Ks, arising only from second-order weak processes and thus negligible for experiments.
-
LFV decays in a 3-4-1 model with minimal inverse seesaw neutrinos
An extended 3-4-1 model with minimal inverse seesaw and a new singly charged Higgs fits (g-2)e,μ and LFV rates, with Br(τ→μγ) forcing a ~10^{-9} muon g-2 deviation.
-
Comprehensive Mass Predictions: From Triply Heavy Baryons to Pentaquarks
Machine learning models trained on known hadron data and an extended Gürsey-Radicati mass formula predict masses for triply heavy baryons and numerous pentaquark states, agreeing with available data and forecasting unobserved states.
-
Flavor-physics benchmarks for tracker-based particle identification at the FCC-ee
Silicon tracker PID suppresses backgrounds well for low-momentum b-tagging but requires drift-chamber cluster counting for high-momentum s-jet tagging, with 30 ps timing needed to improve rare b to s decay contamination by an order of magnitude over kinematics alone.
-
Prospects of searches for invisible $B$-meson decays at FCC-ee
With 6×10^{12} Z bosons at FCC-ee, invisible B-meson branching fractions above 7.6×10^{-9} could be excluded at 90% CL using rectangular cuts and a multiclass BDT on simulated signal and background.
-
Novel method to indirectly reconstruct neutrinos in collider experiments
Proposes the first inclusive-tagging method based on asymptotically recursive vector sequences for reconstructing undetected particles like neutrinos in multi-neutrino collider events.
-
Impacts of radiative corrections on measurements of lepton flavour universality in $B \to D \ell \nu_{\ell}$ decays
Radiative corrections introduce up to 7% bias on R(D) measurements in LHCb-like pseudo-experiments when using PHOTOS for soft-photon simulation.
-
Recent Results on $\tau$ Decays
New branching fraction measurements for tau decays to K(0-3)pi0, pi(3-4)pi0, and K- Ks0 nu_tau modes, plus |V_us| from inclusive tau to strange final states.
-
Search for New Physics through the Observables of Semileptonic $B_{c}^+\to D^{\ast+}\ell^{+}\ell^{-}$ Decay
Model-independent study of B_c → D* ℓℓ decay shows sensitivity of branching fraction, forward-backward asymmetry, and angular observables to New Physics in b→d transitions.
-
Global analysis of a minimally extended scotogenic model
Global analysis constrains fermionic DM to 120-350 GeV and CP-odd scalar to 350-600 GeV in a scotogenic extension, with DESI potentially ruling out inverted neutrino hierarchy and Z invisible width compatible with data at 3 sigma.
-
Charged-lepton identification at Belle~II
Belle II describes its charged-lepton identification algorithms and reports performance on 428 fb^{-1} of Run 1 data from SuperKEKB.
-
Investigating New Physics through the Observables of Semileptonic $B_{s}\to K^{\ast}(\to K \pi)\mu^{+}\mu^{-}$ Decay
Model-independent calculation of differential branching ratio, forward-backward asymmetry, polarization, and angular coefficients in Bs → K* μ+μ- with 1D and 2D new physics scenarios in C7^NP, C9^(prime)NP, and C10^(prime)NP showing deviations from SM.
-
Lepton flavour universality in charged-current $B$ decays
LHCb measures R(D*) and R(J/ψ); combined LHCb+Belle data yield 3.1σ tension with SM in R(D) and R(D*).
-
Measurement of CKM angle $\boldsymbol{ \phi_{3}} $ at Belle II
Belle II projects a measurement of the CKM angle φ₃ to 1° or better precision using tree-level B→DK decays with 50 ab⁻¹ of data.
-
First look at time-dependent CP violation using early Belle II data
Early Belle II data validates reconstruction of CP-violation channels and supplies sensitivity estimates for φ1/β and φ2/α with the full dataset.
-
The Dark Photon
The paper surveys theoretical motivations, experimental searches, and bounds on the dark photon as a kinetically mixed gauge boson from a dark sector, covering both massive and massless cases along with related milli-charged fermion constraints.
-
Dark Sector Physics at the Belle II Experiment
Belle II at SuperKEKB plans searches for dark sector particles in the GeV mass range with early data and future high-luminosity runs, complementing LHC efforts.
-
Semileptonic and leptonic B decay results from early Belle II data
Early Belle II commissioning data is used to re-measure standard B to X lepton neutrino and B to D* lepton neutrino decays and to evaluate machine learning tagging algorithms for future lepton flavor universality tests.