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Heavy flavor measurements in high multiplicity proton-proton and proton-nucleus collisions at collider energies enable unique insights into their production and hadronization mechanism because experimental and theoretical uncertainties…

High Energy Physics - Phenomenology · Physics 2018-10-30 Yan-Qing Ma , Prithwish Tribedy , Raju Venugopalan , Kazuhiro Watanabe

A particle in four dimensions should behave like a classical black hole if the horizon radius is larger than the Compton wavelength or, equivalently, if its degeneracy (measured by entropy in units of the Planck scale) is large. For…

High Energy Physics - Theory · Physics 2015-05-27 G. L. Alberghi , R. Casadio , O. Micu , A. Orlandi

Over the past 15 years models with large extra space-time dimensions have been extensively studied. We have learned from these models that the energy scale of quantum gravity may be many orders of magnitude smaller than the conventional…

High Energy Physics - Theory · Physics 2013-07-01 Elizabeth Winstanley

It has recently been shown that the dynamics of perturbed non-rotating black holes (BHs) admits an infinite number of symmetries that are generated by the flow of the Korteweg-de Vries (KdV) equation. These symmetries lead to an infinite…

General Relativity and Quantum Cosmology · Physics 2023-05-10 Michele Lenzi , Carlos F. Sopuerta

We investigate the propagation of scalar fields in the gravitational background of higher-dimensional, electrically charged, regular de Sitter black holes. Using an approximate analytical approach, we derive expressions for the greybody…

General Relativity and Quantum Cosmology · Physics 2025-04-18 Md Sabir Ali , A. Naveena Kumara , Kartheek Hegde , C. L. Ahmed Rizwan , Shreyas Punacha , K. M. Ajith

The study of thermodynamics in the view of the Hamiltonian approach is a newest tool to analyze the thermodynamic properties of the black holes. In this letter, we investigate the thermodynamics of $d$-dimensional ($d>3$) asymptotically…

General Relativity and Quantum Cosmology · Physics 2019-05-22 Amritendu Haldar , Ritabrata Biswas

VNI is a general-purpose Monte-Carlo event-generator, which includes the simulation of lepton-lepton, lepton-hadron, lepton-nucleus, hadron-hadron, hadron-nucleus, and nucleus-nucleus collisions. It uses the real-time evolution of parton…

Nuclear Theory · Physics 2007-05-23 Klaus Geiger , Ron Longacre , Dinesh K. Srivastava

We propose that future linear colliders can create virtual black holes even though their energies are below the fundamental scale, because of the uncertainty principle. These virtual black holes provide us much information which cannot be…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yosuke Uehara

Event horizons are the defining feature of classical black holes. They are the key ingredient of the information loss paradox which, as paradoxes in quantum foundations, is built on a combination of predictions of quantum theory and…

General Relativity and Quantum Cosmology · Physics 2017-11-22 Valentina Baccetti , Robert B. Mann , Daniel R. Terno

By considering the concept of the modified Chaplygin gas (MCG) as a single fluid model unifying dark energy and dark matter, we construct a static, spherically charged black hole (BH) solution in the framework of General Relativity. The…

General Relativity and Quantum Cosmology · Physics 2025-03-25 Y. Sekhmani , J. Rayimbaev , G. G. Luciano , R. Myrzakulov , D. J. Gogoi

While the early literature on black holes focused on event horizons, subsequently it was realized that their teleological nature makes them unsuitable for many physical applications both in classical and quantum gravity. Therefore, over the…

General Relativity and Quantum Cosmology · Physics 2025-11-21 Abhay Ashtekar , Badri Krishnan

We present a new model for simulating exclusive final states in minimum-bias collisions between hadrons. In a series of papers we have developed a Monte Carlo model based on Mueller's dipole picture of BFKL-evolution, supplemented with…

High Energy Physics - Phenomenology · Physics 2011-10-21 Christoffer Flensburg , Gösta Gustafson , Leif Lönnblad

The updated version of the Helac-Phegas event generator is presented. The matrix elements are calculated through Dyson-Schwinger recursive equations. Helac-Phegas generates parton-level events with all necessary information, in the most…

High Energy Physics - Phenomenology · Physics 2009-09-04 Alessandro Cafarella , Costas G. Papadopoulos , Malgorzata Worek

We define the Carrollian black holes corresponding to the limit of Schwarzschild-(A)dS spacetime and its higher-derivative counterpart known as Schwarzschild-Bach-(A)dS spacetime, which is also a static spherically symmetric vacuum solution…

General Relativity and Quantum Cosmology · Physics 2026-03-31 Poula Tadros , Ivan Kolář

Black holes are objects that have a large mass and curve space time, characterized by their event horizon and singularity. Recently, an interesting concept of analogous black holes has emerged in the field of condensed matter physics. In…

Materials Science · Physics 2023-04-04 Christopher Sims

Strongly supercooled first-order phase transitions have been proposed as a primordial black hole (PBH) production mechanism. While previous works rely on simplified models with limited thermodynamic precision, we stress that reliable…

High Energy Physics - Phenomenology · Physics 2026-05-25 Maciej Kierkla , Nicklas Ramberg , Philipp Schicho , Daniel Schmitt

This manual describes how to use the MatCHig code for matching the charged Higgs boson production processes gg->tbH+/- and gb->tH+/-. A negative term, correcting for the double-counting between these processes, is implemented as an external…

High Energy Physics - Phenomenology · Physics 2007-05-23 Johan Alwall

We present results obtained with the new Monte Carlo event generator Herwig++. In its first version (1.0), Herwig++ is capable of simulating e+e- Annihilation events. We compare results for different distributions with a vast amount of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Gieseke

In the present paper, we provide an addendum to improve the efficiency of generating unweighted events within PYTHIA environment for the generator BCVEGPY2.1 [C.H. Chang, J.X. Wang and X.G. Wu, Comput.Phys.Commun.{\bf 174}, 241(2006)]. This…

High Energy Physics - Phenomenology · Physics 2011-11-18 Xian-You Wang , Xing-Gang Wu

Spinning black holes create electromagnetic storms when immersed in ambient magnetic fields, illuminating the otherwise epically dark terrain. In an electromagnetic extension of the Penrose process, tremendous energy can be extracted,…

General Relativity and Quantum Cosmology · Physics 2021-11-17 Kshitij Gupta , Y. T. Albert Law , Janna Levin