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Charged-Particle Radioactive Decays
Stable atomic nuclei are characterized by an equilibrium of the number of protons and neutrons. If this equilibrium is perturbed, the nuclei become...
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Invariants for Angular Distributions in the Production of Lepton Pairs
AbstractThe dependence of the angular distribution of lepton pairs in hadronic collisions on the choice of the reference frame is discussed. A...
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Dilepton Decays of Vector Particles
This chapter introduces the basic notions used in the measurement of the polarization of a particle and in its interpretation.We use, as a prototype,...
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Particle Polarization in High Energy Physics An Introduction and Case Studies on Vector Particle Production at the LHC
This open-access book addresses the following questions: how does the polarization of a particle, i.e., the angular momentum state in which it is...
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Polarization in Cascade Decays
This chapter addresses the case of a vector particle produced indirectly from the decay or transformation of a particle having...
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Theory of Exclusive Hadronic B Decays
These notes provide a pedagogical introduction to the theory of non-leptonic heavy-meson decays recently proposed by Beneke, Buchalla, Sachrajda and...
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Charged-Particle Radioactive Decays
Stable atomic nuclei are characterized by an equilibrium of the number of protons and neutrons. If this equilibrium is perturbed, the nuclei become...
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Quantum state tomography, entanglement detection and Bell violation prospects in weak decays of massive particles
A rather general method for determining the spin density matrix of a multi-particle system from angular decay data is presented. The method is based...
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Two-Body Decay Distributions Beyond the Dilepton Case
This chapter illustrates the general method to calculate the shape of the angular distribution for any considered two-body decay, and surveys...
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Propagation of angular momentum in charged pion decay and related processes
There are confusions about angular momentum propagation in scattering or decay processes involving the transition between particle systems that...
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Two-particle angular correlations in e+e− collisions to hadronic final states in two reference coordinates at Belle
We present the analysis of two-particle angular correlations using coordinate systems defined with the conventional beam axis and the event thrust...
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Angular Momentum
The rotations of systems play a fundamental role in physics, be it in atomic spectra, in magnetic resonance imaging as well as in the stabilization...
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Analysis of angular distribution asymmetries and the associated \(C\!P\) asymmetries in three-body decays of bottom baryons
We introduce a set of observables representing angular distribution asymmetries, which can be viewed as a generalization of the forward-backward...
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CP asymmetry in the angular distributions of τ → KSπντ decays. Part II. General effective field theory analysis
In this work, we proceed to study the CP asymmetry in the angular distributions of τ → K S πν τ decays within a general effective field theory framework...
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Time-reversal asymmetries and angular distributions in Λb → ΛV
We study the spin correlations to probe time-reversal (T) asymmetries in the decays of Λ b → Λ V ( V = ϕ , ρ 0 , ω , K ∗0 ). The eigenstates of the T-odd...
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Displaced or invisible? ALPs from B decays at Belle II
At colliders, neutral long-lived particles can be detected through displaced decay products or as missing energy. Which search strategy is better...
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Rare b decays meet high-mass Drell-Yan
Rare b hadron decays are considered excellent probes of new semileptonic four-fermion interactions of microscopic origin. However, the same...
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Test of lepton universality in beauty-quark decays
The standard model of particle physics currently provides our best description of fundamental particles and their interactions. The theory predicts...
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