The central theme of this illuminating research revolves around a crucial observable in heavy-ion physics: elliptic flow. Elliptic flow, denoted by the parameter $v_2$, quantifies the degree to which the particles emerging from a heavy-ion collision exhibit a preference for moving in specific directions within the reaction plane. It’s an emergent property, a tell-tale sign that the initially chaotic soup of quarks and gluons has behaved like a near-perfect fluid, responding collectively to the subtle, yet significant, asymmetries in its initial formation. The magnitude and centrality dependence of this elliptic flow provide invaluable clues about the QGP’s viscosity, its equation of state, and the mechanisms by which it evolves from an ultra-hot, dense plasma into the more dilute, yet still strongly interacting, system that eventually breaks apart into the hadrons we can detect. The sensitivity of $v_2$ to various physical processes makes it a powerful diagnostic tool for probing the QGP’s fundamental characteristics.

What sets this study apart is its meticulous examination of how transport processes within the AMPT model, such as scattering between constituent quarks and gluons, and the partonic phase, influence the centrality dependence of this elliptic flow. Centrality refers to how head-on the two colliding nuclei are. Peripheral collisions, where the nuclei just graze each other, create less central overlap and thus more spatially asymmetric initial conditions, while central collisions, where the nuclei collide directly, tend to produce more symmetric starting points. The way elliptic flow changes as we move from peripheral to central collisions, and the factors that govern this evolution, are critical for distinguishing between different theoretical scenarios and for pinning down the specific transport mechanisms at play. This nuanced approach allows researchers to decouple the effects of initial geometry from the dynamical evolution of the medium.

The authors specifically highlight the impact of different initial conditions on the observed elliptic flow. The initial state of a heavy-ion collision is not a simple, precisely predictable entity. There are inherent uncertainties and variations in how the nucleons’ constituent quarks and gluons are distributed and interact at the moment of impact. These initial spatial anisotropies, even under seemingly identical collision energies and centralities, can profoundly affect the development of elliptic flow. Zhang and Wang have systematically explored how employing various established models for generating these initial conditions within the AMPT framework leads to distinct predictions for the centrality dependence of $v_2$. This comparative analysis is essential for understanding the robustness of theoretical conclusions and for identifying which aspects of the QGP’s behavior are truly independent of the initial state’s vagaries.

The AMPT model itself is a sophisticated tool, capable of simulating the entire evolution of a heavy-ion collision, from the initial stage of particle production and interaction to the final stage where the system “hadronizes” and particles are observed. It incorporates a string-melting mechanism, where the initial color strings formed between quarks are broken up into free partons. These partons then interact via elastic and inelastic scatterings, governed by a chosen cross-section, before eventually forming hadrons. The inclusion of transport processes – the dynamical evolution of these partons – is where the real complexity and richness lie. By adjusting parameters related to these transport processes, such as the partonic scattering cross-section and the duration of the partonic phase, physicists can probe different aspects of the QGP’s properties.

One of the critical aspects investigated by Zhang and Wang is how the strength of the partonic interactions, parameterized by the scattering cross-section, affects the elliptic flow. A stronger scattering cross-section implies a more strongly coupled QGP, where partons are constantly buffeting each other, leading to a more rapid thermalization and a greater development of collective behavior. Conversely, a weaker cross-section suggests a more dilute or less interacting partonic system. The study demonstrates how variations in this fundamental parameter, within the AMPT model, lead to discernible changes in the centrality dependence of elliptic flow, providing a crucial lever for theorists to adjust their models to match experimental data. This detailed mapping of parameter space is vital for precise QGP characterization.

Furthermore, the duration of the partonic phase, essentially how long the system remains in its QGP state before hadronizing into observable particles, is another key factor that the researchers have explored. If the QGP exists for a very short time, the partons will not have sufficient opportunity to interact and develop significant collective flow. A longer-lived QGP, on the other hand, allows for more extensive scattering and thus a more pronounced elliptic flow, especially at more peripheral collision centralities where the initial asymmetries are larger and require more time to develop into a collective signal. The study meticulously dissects how this temporal aspect of the QGP’s existence influences the observed $v_2$ distributions across different centralities.

The beauty of this research lies in its ability to disentangle complex phenomena. By fixing the initial conditions and varying the transport parameters, or vice versa, the authors can isolate the specific contributions of each component to the overall elliptic flow signal. This systematic approach is the bedrock of scientific inquiry, allowing for a clear understanding of cause and effect. It moves beyond simply observing a phenomenon to understanding the underlying mechanisms that generate it, a crucial step in building predictive theoretical frameworks for the QGP. This kind of detailed investigation is what allows us to refine our understanding of even the most fundamental forces and matter.

The implications of this work for experimental physicists are profound. The clear predictions made by the AMPT model, based on varying transport processes and initial conditions, can serve as direct benchmarks for analyzing experimental data from ongoing and future heavy-ion collision experiments. Researchers can now compare their measured centrality dependence of elliptic flow with the simulations presented by Zhang and Wang to constrain the relevant parameters that describe the QGP. This closed-loop process of theoretical prediction and experimental verification is the engine that drives scientific progress in this field, leading to ever more precise characterizations of the QGP.

One of the most exciting aspects of this study is its potential to shed light on the “perfect liquid” nature of the QGP. Early experimental results showed that the QGP has an incredibly low viscosity to entropy density ratio, a value close to the theoretical minimum allowed by quantum mechanics. This implies that the QGP behaves like an almost ideal fluid, flowing with minimal resistance, which is a direct consequence of the strong partonic interactions. The research by Zhang and Wang offers a more detailed quantitative understanding of how these strong interactions, as implemented within the AMPT model’s transport components, translate into the emergent collective flow properties that have fascinated physicists.

The choice of different initial condition models is also noteworthy. Various theoretical frameworks exist to describe the initial state of a heavy-ion collision, each with its own strengths and assumptions. By employing several of these, Zhang and Wang ensure that their conclusions about the role of transport processes are not overly dependent on any single, potentially flawed, initial condition model. This robustness analysis is critical for drawing reliable conclusions about the QGP’s intrinsic properties, free from the biases that might be introduced by specific assumptions about its birth. This broad exploration makes the findings more universally applicable.

The European Physical Journal C is a prestigious platform, and its publication of this work ensures that it reaches a wide audience of theoretical and experimental physicists. The rigorous peer-review process that such studies undergo further attests to the quality and significance of the research. This study represents a significant step forward in our theoretical understanding of the QGP, providing a more refined toolkit for interpreting the complex data emerging from particle accelerators around the world, and further solidifying our understanding of the fundamental interactions governing the universe.

Looking ahead, this research opens up avenues for further exploration. One could envision extending these investigations to include other observables, such as higher-order flow coefficients ($v_3, v_4$, etc.) or dihadron correlations, which are also sensitive to transport properties and initial conditions. Furthermore, incorporating more advanced theoretical treatments of the initial state or the transport dynamics within the AMPT model or exploring alternative theoretical frameworks could provide complementary insights and further solidify our understanding of this fascinating state of matter. The journey to fully comprehend the QGP is ongoing, and this paper is a vital waypoint.

The quest to understand the earliest moments of the universe and the fundamental nature of matter is a monumental undertaking. The study by Zhang and Wang on the influence of transport processes and initial conditions on elliptic flow in the AMPT model represents a significant advancement in this endeavor. By meticulously dissecting these complex interactions, they provide theoretical physicists with more accurate tools to interpret experimental data and offer experimentalists clear predictions to test. This research is not just an academic exercise; it’s a crucial step in a grander scientific narrative, helping us to piece together the puzzle of our cosmic origins and the fundamental laws that govern existence itself, potentially leading to paradigm shifts in our understanding of physics.

Subject of Research: The impact of transport processes and initial conditions on the centrality dependence of elliptic flow in heavy-ion collisions, as simulated by the AMPT model.

Article Title: Effect of transport processes on elliptic flow centrality dependence under different initial conditions in the AMPT model.

Article References: Zhang, Y., Wang, B. Effect of transport processes on elliptic flow centrality dependence under different initial conditions in the AMPT model. Eur. Phys. J. C 86, 82 (2026). https://doi.org/10.1140/epjc/s10052-026-15334-7

Image Credits: AI Generated

DOI: https://doi.org/10.1140/epjc/s10052-026-15334-7

Keywords: Quark-gluon plasma, elliptic flow, transport processes, initial conditions, AMPT model, heavy-ion collisions, nuclear physics, particle physics.

The concept of dibaryons, particles composed of two baryons, is not entirely new; however, the specific flavor composition proposed by Cui, Tang, Huang, and their collaborators introduces a unique twist that promises to captivate the scientific community. The inclusion of “charm” and “strange” quarks, which are heavier and more fleeting than the up and down quarks that constitute ordinary matter, imbues these hypothetical dibaryons with distinct characteristics and renders their investigation particularly challenging. The theoretical calculations suggest that these charm-strange dibaryons possess a negative parity, a fundamental quantum mechanical property related to spatial inversion, which further differentiates them from more conventional nuclear structures. This specific parity suggests that their wave functions transform in a particular way under spatial reflections, influencing their behavior and interactions in profound ways that are yet to be fully explored experimentally.

The meticulous theoretical approach underpinning this discovery involved sophisticated quantum chromodynamics (QCD) calculations, the fundamental theory describing the strong interaction that binds quarks and gluons. By employing advanced computational techniques and theoretical models, the researchers were able to simulate the complex interactions between charmed baryons and strange baryons, effectively exploring the potential energy landscape for their bound states. These simulations are crucial for predicting whether such exotic configurations can exist as stable or metastable particles, rather than simply disintegrating into their constituent components. The very nature of these calculations demands immense computational power and a deep understanding of the theoretical underpinnings of particle physics, pushing the boundaries of what is currently computable.

One of the most compelling aspects of this research lies in its implication for the broader understanding of nuclear forces and the structure of matter at its most fundamental levels. The strong nuclear force, mediated by gluons, is responsible for holding quarks together within protons and neutrons, and for binding protons and neutrons together within atomic nuclei. However, the interactions involving heavier quarks like charm and strange are less understood and present a richer playground for theoretical exploration. The successful prediction of charm-strange dibaryons suggests that the strong force can manifest in even more exotic and complex ways than previously imagined, leading to the formation of particles with unique properties.

The theoretical framework used in this study relies heavily on the concept of coupled-channel interactions. This means that the researchers considered not only the direct interaction between a charmed baryon and a strange baryon but also the possibility of transitions between different particle states. For instance, a system initially composed of a charmed baryon and a strange baryon might momentarily transform into other combinations of quarks and antiquarks before reforming into the dibaryon. Accounting for these dynamic processes is essential for accurately predicting the binding energies and stability of the proposed charm-strange dibaryons, painting a more complete picture of their quantum mechanical existence and behavior.

The predicted charm-strange dibaryons are characterized by specific quantum numbers, including spin, parity, and isospin, which dictate their intrinsic properties and how they interact with other particles. The determination of a negative parity is particularly significant, as it implies certain symmetry properties that can be experimentally probed. These quantum numbers are not arbitrary; they emerge directly from the underlying quark content and the specific arrangement of these quarks within the dibaryon structure, providing a fingerprint for potential identification in future experiments.

The formation mechanism of these exotic dibaryons is a key area of theoretical focus. The researchers propose that they could emerge from high-energy collisions, such as those conducted in particle accelerators like the Large Hadron Collider (LHC). In such energetic environments, the fleeting creation and annihilation of particle-antiparticle pairs, along with the intense interactions between existing particles, could provide the necessary conditions for these novel bound states to form and be detected, even if only for a brief moment before decaying.

The experimental verification of these charm-strange dibaryons presents a formidable challenge. Detecting ephemeral particles with specific decay signatures requires highly sensitive detectors and sophisticated data analysis techniques. Physicists will need to meticulously search for characteristic patterns in the debris of high-energy collisions, looking for evidence that points to the transient existence of these unique two-baryon systems. The journey from theoretical prediction to experimental confirmation is often a long and arduous one, requiring ingenuity and perseverance.

The implications of discovering charm-strange dibaryons extend beyond the realm of pure theoretical physics. The existence of such particles could shed light on the fundamental nature of the strong force and the structure of matter in extreme environments, such as those found in the early universe or within neutron stars. Such discoveries could also open up new avenues for exploring the Standard Model of particle physics, potentially revealing phenomena that lie beyond its current predictive power and hinting at new fundamental interactions or particles yet to be discovered.

The theoretical models employed in this research are continuously being refined and improved. As computational power increases and our understanding of the complex interactions within matter deepens, these models become ever more accurate. The current work represents a significant milestone, but it is also part of an ongoing endeavor to map out the full spectrum of possible particle states governed by the strong force, a quest that has driven particle physics for decades and continues to yield surprising results.

The specific combination of charm and strange quarks is particularly interesting because these quarks are significantly heavier than the lighter up and down quarks. This mass difference influences the dynamics of their interactions and the potential stability of the resulting bound states. The investigation into these heavier quarks opens up a new frontier in the study of hadrons, potentially revealing phenomena that are not readily accessible when focusing only on the more common up and down quarks.

The concept of parity in quantum mechanics is a subtle yet crucial property. For a particle with negative parity, its quantum mechanical description, or wave function, changes sign when subjected to a mirror reflection. This property has direct implications for how the particle interacts with its environment and how it decays, providing an important characteristic for its identification and classification.

The research highlights the power of theoretical physics to predict the existence of phenomena before they are experimentally observed. By employing rigorous mathematical tools and computational simulations, physicists can explore possibilities that might otherwise remain hidden. This predictive power is what drives experimental efforts, providing specific targets and guiding the search for new physics.

The ongoing exploration of exotic hadrons, including multiquark states and dibaryons, is a testament to the richness and complexity of the strong interaction. Each new discovery, whether theoretical or experimental, adds another piece to the grand puzzle of understanding the fundamental building blocks of the universe and the forces that govern them. The charm-strange dibaryons represent a particularly fascinating new piece, offering a glimpse into the potential for matter to exist in forms far stranger than we typically encounter.

The scientific community eagerly awaits experimental results that could confirm the existence of these predicted charm-strange dibaryons. The potential for such a discovery to revolutionize our understanding of particle physics and the nature of matter itself is immense, solidifying its status as a truly viral topic in the world of cutting-edge scientific research and sparking imaginations worldwide.

Subject of Research: The study investigates the theoretical prediction and properties of charm-strange dibaryons, hypothetical composite particles with negative parity, formed through baryon-baryon interactions using advanced quantum chromodynamics calculations.

Article Title: Emergence of charm-strange dibaryons with negative parity via baryon–baryon interactions

Article References:
Cui, YY., Tang, XM., Huang, Q. et al. Emergence of charm-strange dibaryons with negative parity via baryon–baryon interactions.
Eur. Phys. J. C 85, 1460 (2025). https://doi.org/10.1140/epjc/s10052-025-15074-0

Image Credits: AI Generated

DOI: https://doi.org/10.1140/epjc/s10052-025-15074-0

Keywords: Charm-strange dibaryons, exotic matter, baryon-baryon interactions, negative parity, quantum chromodynamics, theoretical physics, particle physics, strong force.

The centerpiece of this revolutionary study is the meticulous examination of the decays of the anti-B meson ($\overline{B}^0$). Think of mesons as unstable composite particles made of a quark and an antiquark. The anti-B meson, in particular, is a rich source of exotic decay channels that allow physicists to probe the Standard Model of particle physics and search for hints of new physics beyond it. The researchers have delved into two specific types of decays: semileptonic decays, where a lepton (like an electron or a muon) and its neutrino are produced, and nonleptonic decays, where only hadrons (particles made of quarks) are emitted. These processes, though seemingly subtle, are actually windows into the strong and weak nuclear forces, the fundamental interactions that bind matter together and govern radioactive decay. Understanding these decays with incredible precision is akin to deciphering the very language of nature at its most primal level.

At the heart of this sophisticated analysis lies Perturbative Quantum Chromodynamics (PQCD). This isn’t your everyday physics; it’s a highly advanced theoretical framework that allows physicists to describe the interactions of quarks and gluons, the fundamental constituents of protons and neutrons, using quantum field theory. PQCD is particularly powerful when dealing with high-energy interactions, where the strong force, which normally binds quarks very tightly, becomes weaker and can be treated perturbatively. The researchers have masterfully applied this tool to unravel the complexities of the $\overline{B}^0 \rightarrow D^{()+}\ell ^-\bar{\nu }\ell $ semileptonic decays and the $\overline{B}^0 \rightarrow D^{()+}\pi ^-$ nonleptonic decays. The notation itself tells a story: $\overline{B}^0$ denotes the anti-B meson, $D^{(*)+}$ represents excited states of the D meson (another type of meson), $\ell ^-$ is a negatively charged lepton, $\bar{\nu }\ell $ is its corresponding antineutrino, and $\pi ^-$ is a negatively charged pion.

The beauty of this research lies in its correlated approach. Instead of analyzing the semileptonic and nonleptonic decays in isolation, the scientists have linked them, recognizing that they share fundamental underlying mechanisms. This provides a more robust and comprehensive understanding, reducing the reliance on approximations and enhancing the predictive power of their theoretical model. By studying these two decay channels in tandem, they can overcome some of the inherent challenges in precisely calculating these processes within PQCD. For instance, certain uncertainties that plague the calculation of one decay might be mitigated or illuminated by the information gained from the other, creating a synergy that elevates the overall accuracy and reliability of their findings. This integrated perspective is crucial for making precise predictions that can be tested by current and future particle physics experiments.

The study meticulously investigates the $\overline{B}^0 \rightarrow D^{()+}\ell ^-\bar{\nu }_\ell $ semileptonic decays. In these events, the anti-B meson decays into a $D^{()+}$ meson, a lepton (which can be an electron, muon, or tau), and a neutrino. These decays are particularly interesting because they involve the weak nuclear force, mediated by W and Z bosons, and offer a direct probe of fundamental electroweak interactions. The presence of a neutrino, which interacts very weakly, makes these decays challenging to detect directly, but their theoretical prediction is crucial for understanding the underlying particle physics. The team has calculated various properties of these decays, such as their branching ratios (the probability of a specific decay occurring) and their kinematic distributions (how the energy and momentum are shared among the decay products), leveraging the power of PQCD to make these intricate calculations.

Parallel to the semileptonic analyses, the researchers have also undertaken a rigorous investigation of the $\overline{B}^0 \rightarrow D^{()+}\pi ^-$ nonleptonic decays. In these scenarios, the anti-B meson transforms into a $D^{()+}$ meson and a pion, another type of meson. Unlike semileptonic decays, nonleptonic decays are dominated by the strong nuclear force. The calculations for these processes are notoriously complex due to the strong interactions involved between quarks and gluons. The PQCD framework, with its ability to handle these interactions through color factors and form factors, provides an essential tool for disentangling these powerful forces and predicting the outcomes of these decays. The correlated approach ensures that the assumptions and parameters used in this part of the analysis are consistent with those used for the semileptonic decays, fostering a more unified theoretical picture.

The inclusion of $D^{()+}$ in the notation signifies that the researchers are considering not just the ground state $D^+$ meson but also its excited states, denoted by $D^{+}$. These excited states have slightly different masses and spin properties, and their inclusion in the analysis adds another layer of complexity and richness to the theoretical predictions. Properly accounting for all possible final states enhances the overall accuracy of the predictions for the decay rates and distributions, providing a more complete picture of the anti-B meson’s decay landscape. This attention to detail is what separates cutting-edge research from routine investigations, pushing the boundaries of our understanding by considering all relevant possibilities within the theoretical framework.

One of the most exciting implications of this research is its potential to test the Standard Model with unprecedented precision. The Standard Model is our current best description of fundamental particles and forces, but it’s known to be incomplete. Phenomena like dark matter and dark energy, for instance, are not explained by the Standard Model. By precisely calculating the rates and properties of these exotic decays, physicists can compare their theoretical predictions with experimental results. Any significant deviation could be a telltale sign of new, undiscovered particles or forces operating at energy scales beyond the reach of current experiments. This is the frontier of physics, where anomalies and discrepancies become beacons guiding us toward a deeper, more complete understanding of reality.

The results of this study are not just theoretical curiosities; they are predictions waiting to be confirmed or challenged by the world’s leading particle accelerators, such as the Large Hadron Collider (LHC) at CERN or potentially future, even more powerful machines. Experimental physicists will be poring over these new calculations, designing experiments to meticulously measure the decay rates and distributions of these specific anti-B meson decays. The synergy between theoretical prediction and experimental verification is the engine of scientific progress, and this work provides a fertile ground for such crucial collaborations. If the experimental data aligns with these predictions, it will solidify our confidence in the Standard Model. If discrepancies arise, they will open doors to entirely new physics.

Moreover, this research has profound implications for our understanding of matter-antimatter asymmetry. The universe we observe is overwhelmingly composed of matter, with very little antimatter. However, according to the laws of physics, matter and antimatter should have been created in equal amounts in the Big Bang. The difference in their behavior, particularly in particle decays, is a key area of investigation for explaining this cosmic imbalance. Exotic decays, like those studied here, offer sensitive probes into the subtle differences between matter and antimatter interactions, potentially shedding light on this fundamental cosmological puzzle. The weak force, in particular, is known to violate CP symmetry (charge-parity symmetry), which is a crucial element in theories attempting to explain matter-antimatter asymmetry.

The technical sophistication of the PQCD framework employed in this study is truly remarkable. It involves complex calculations of Feynman diagrams, which are graphical representations of particle interactions, and the use of renormalization group equations to handle infinities that arise in quantum field theory calculations. The researchers have incorporated advanced techniques to improve the accuracy of their results, including the inclusion of higher-order corrections and sophisticated modeling of hadron wave functions. These wave functions describe the internal structure of composite particles like mesons, and their accurate representation is critical for precise predictions. The intricate interplay of quarks and gluons within these particles is a challenging but ultimately rewarding subject of study.

The choice to focus on $\overline{B}^0$ meson decays is strategic. These mesons are relatively heavy and contain a b quark, which is a key ingredient for studying phenomena related to the weak force and for probing the Cabibbo-Kobayashi-Maskawa (CKM) matrix, a fundamental parameter of the Standard Model that describes the mixing of quarks. The CKM matrix plays a crucial role in CP violation, the phenomenon that is essential for explaining the dominance of matter over antimatter in the universe. Precise measurements of B meson decays help to constrain the elements of the CKM matrix, thus refining our understanding of CP violation and its implications for cosmology.

The nonleptonic decays into $D^{(*)+}\pi ^-$ are particularly interesting from a theoretical perspective because they involve the interplay of both the weak and strong forces. While the initial weak decay initiates the process, the subsequent transformations and emissions of particles are heavily influenced by the strong force. The PQCD approach allows physicists to disentangle these contributions and predict the probabilities of these complex interactions. Understanding these nonleptonic decays is essential for a complete picture of B meson physics and provides crucial complementary information to the semileptonic channels, enhancing the overall power of the theoretical framework.

Furthermore, the research contributes to the ongoing quest to understand the hadronic structure of particles. Mesons and baryons (particles made of three quarks) are not fundamental point-like particles but rather complex systems of quarks and gluons. Their internal structure, described by form factors and wave functions, significantly influences their decay properties. Precise calculations of these properties using PQCD help physicists to gain deeper insights into the fundamental nature of these composite particles and the forces that bind them together. This is akin to understanding the intricate mechanisms of a complex machine by studying its individual components and how they interact.

The rigorous theoretical framework presented in this paper is a testament to the dedication and ingenuity of the research team. By combining cutting-edge theoretical tools with a deep understanding of fundamental physics principles, they have produced a work that will undoubtedly serve as a cornerstone for future research in particle physics. The detailed calculations and predictions offer experimentalists concrete targets for validation, potentially leading to groundbreaking discoveries. This is not merely an incremental step; it’s a leap forward, a bold exploration into the very fabric of reality, promising to redefine our understanding of the universe at its most fundamental levels and quite possibly open new avenues for discovering physics beyond the Standard Model, potentially even shedding light on the nature of dark matter or dark energy.

This work represents a triumph of theoretical physics, offering a predictive framework that can guide experimental efforts and deepen our comprehension of fundamental interactions. The intricate calculations, meticulously performed within the Perturbative Quantum Chromodynamics framework, provide specific predictions for the branching ratios and kinematic distributions of these exotic decays. These predictions are not abstract numbers; they are concrete targets for experimental verification at leading particle accelerators worldwide. The potential for these findings to illuminate the Standard Model’s limitations and hint at new physics is immense, igniting excitement within the particle physics community.

Subject of Research: Analysis of semileptonic and nonleptonic decays of exotic particles, specifically the anti-B meson, to probe fundamental interactions and test the Standard Model of particle physics.

Article Title: Correlated PQCD analysis of the semileptonic decays $\overline{B}^0 \rightarrow D^{()+}\ell ^-\bar{\nu }_\ell $ and the nonleptonic decays $\overline{B}^0 \rightarrow D^{()+}\pi ^-$.

Article References:

Liu, MJ., Li, Y. & Zou, ZT. Correlated PQCD analysis of the semileptonic decays (\overline{B}^0 \rightarrow D^{()+}\ell ^-\bar{\nu }_\ell ) and the nonleptonic decays (\overline{B}^0 \rightarrow D^{()+}\pi ^-).
Eur. Phys. J. C 85, 1450 (2025). https://doi.org/10.1140/epjc/s10052-025-15203-9

Image Credits: AI Generated

DOI: https://doi.org/10.1140/epjc/s10052-025-15203-9

Keywords: Perturbative Quantum Chromodynamics, Semileptonic Decays, Nonleptonic Decays, Anti-B Meson, D Meson, Standard Model, Particle Physics, High-Energy Physics, Quark Dynamics, Hadronic Structure