Physics of Heavy Baryons

Contribution List

12. Introduction

Mikhail Mikhasenko (ORIGINS Excellence Cluster)

01/06/2023, 09:00

Excitation pattern

1. Heavy baryon spectroscopy and interactions using lattice QCD

Padmanath Madanagopalan (The Institute of Mathematical Sciences, Chennai)

01/06/2023, 09:30

Excitation pattern

8. New heavy baryons from LHCb

Paolo Gandini (Milano)

01/06/2023, 11:00

Excitation pattern

11. Heavy baryons in QM

Hugo Garcia Tecocoatzi (University of Genoa)

01/06/2023, 11:45

Excitation pattern

7. Heavy baryon spectroscopy in a quark-diquark approach

André Torcato (LIP/IST Lisbon)

01/06/2023, 14:00

Ground states

We report progress on calculations of the heavy-light baryons $\Sigma_c$ and $\Lambda_c$ and their excitations with $J^P=1/2^+$ and $3/2^+$ using functional methods. The three-quark Faddeev equations are reduced to two-body equations by employing a covariant quark-diquark approach. The interaction amounts to a quark exchange between quarks and effective diquarks, and the ingredients are...

5. Doubly heavy baryons in and beyond the Born-Oppenhaimer approximation

Joan Soto (Universitat de Barcelona)

01/06/2023, 14:45

Ground states

We provide general formulas for the potentials at next-to-leading order in the Born-Oppenheimer effective field theory. We apply them to douby heavy baryons and obtain model independent formulas for the hyperfine splittings. Using available lattice data for the static potentials we obtain the spin average spectrum for doubly charmed and doubly bottomed baryons. We also obtain detailed results...

13. Discussion and Networking - BBQ

01/06/2023, 17:00

6. Studying the interactions of charm hadrons with femtoscopy

Daniel Battistini (TUM)

02/06/2023, 09:00

Approaches and techniques

In the last years, several unconventional hadrons were observed in the charm sector. As such hadrons cannot be explained as 2- or 3-quark states, they are considered to be quark bags or hadron molecules. To unveil their nature it is necessary to constrain the strong nuclear force that governs the interactions of charm hadrons. An excellent tool to achieve this is the femtoscopy technique,...

3. Accessing the strong interaction between Λ baryons and strange hadrons with femtoscopy at LHC

Valentina Mantovani Sarti (TUM)

02/06/2023, 10:00

Approaches and techniques

Traditional experimental approaches, such as scattering and hypernuclei measurements, are insufficient to provide stringent constraints to
the theoretical modeling of the interaction between strange hadrons and hence questions on the existence and nature of predicted exotic bound states or resonances are still open.
In the baryon-baryon interaction, this is indeed the case for the...

10. Nucleon and Delta resonances with hidden charm and a three-body nature

Brenda Malabarba (Universidade de Sao Paulo)

02/06/2023, 11:30

Approaches and techniques

9. Doubly Heavy Baryons in and beyond the Born-Oppenheimer approximation

Joan Soto (Barcelona University)

Ground states

2. Dynamics of confined monopoles and similarities with confined quarks

Juan Sebastian Valbuena Bermudez (LMU)

Approaches and techniques

We study the annihilation of a pair of ‘t Hooft-Polyakov monopoles due to confinement by a string. We analyze the regime in which the scales of monopoles and strings are comparable. We observe that in a head-on collision, monopoles are never recreated. Correspondingly, not even once the string oscillates. Instead, the system decays into waves of Higgs and gauge fields. We explain this...

4. PID for Hadron Spectroscopy at LHCb

Youhua Yang (Universita di Genova)

Approaches and techniques

Particle identification (PID) efficiency plays a pivotal role in hadron spectroscopy study at hadron colliders, as demonstrated by the substantial increase in efficiency of $\Lambda_b\to J/\psi pK$ in LHCb RUN II compared to RUN I. By introducing PID variables, the signal yield has increased tenfold; five times due to luminosity and an additional two times due to enhanced PID efficiency. In...