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The transverse lepton polarization asymmetry in pi_e2gamma decay may probe T-violating interactions beyond the Standard Model. Dalitz plot distributions of the expected effects are presented and compared to the contribution from the…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. Bezrukov , D. Gorbunov

Mixing solutions of oppositely charged macromolecules can result in liquid-liquid phase separation into a polymer-rich coacervate phase and a polymer-poor supernatant phase. Here we show that charge asymmetry in the constituent polymers can…

Soft Condensed Matter · Physics 2023-09-01 Shensheng Chen , Zhen-Gang Wang

We present a measurement of the electron charge asymmetry in ppbar->W+X->enu+X events at a center of mass energy of 1.96 TeV using 0.75 fb-1 of data collected with the D0 detector at the Fermilab Tevatron Collider. The asymmetry is measured…

High Energy Physics - Experiment · Physics 2008-12-18 V. M. Abazov

The paper proposes an alternative scenario for the emergence of baryon asymmetry in the Universe. This scenario is realized in the lattice gravity model associated with the Dirac field as follows. At ultra-high temperatures of the Grand…

High Energy Physics - Lattice · Physics 2024-10-17 S. N. Vergeles

I consider selected (most important according to my own choice) unsolved problems in particle theory, both those related to extensions of the Standard Model (neutrino oscillations, which probably do not fit the usual three-generation…

High Energy Physics - Phenomenology · Physics 2015-06-03 Sergey Troitsky

This two-part article considers certain fundamental symmetries of nature, namely the discrete symmetries of parity (P), charge conjugation (C) and time reversal (T), and their possible violation. Recent experimental results are discussed in…

Popular Physics · Physics 2007-05-23 B. Ananthanarayan , J. Meeraa , Bharti Sharma , Seema Sharma , Ritesh K. Singh

Charged Black holes in Gauss-Bonnet extended gravity are studied. The electromagnetic field is coupled non-minimally, as in U(2,2) Chern-Simons theory. We find that the geometrical properties of the solution exhibit ``phase transitions" as…

High Energy Physics - Theory · Physics 2010-11-19 Maximo Banados

The D\O\ collaboration has measured the like-sign dimuon charge asymmetry in $p \bar{p}$ collisions at the Fermilab Tevatron collider. The result is significantly different from the standard model expectation of CP violation in mixing. In…

High Energy Physics - Experiment · Physics 2015-06-15 G. Borissov , B. Hoeneisen

We show that an anomalous CP-violating gamma-gamma-Z vertex gives rise to a novel asymmetry with transversely polarized electron and positron beams in the process e+e- -> gamma Z. This asymmetry, which is odd under naive time reversal, is…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Ananthanarayan , Saurabh D. Rindani , Ritesh K. Singh , A. Bartl

Axially symmetric equilibrium configurations of the conformally invariant Willmore energy are shown to satisfy an equation that is two orders lower in derivatives of the embedding functions than the equilibrium shape equation, not one as…

Soft Condensed Matter · Physics 2009-11-11 Pavel Castro-Villarreal , Jemal Guven

We consider a class of baryogenesis models where the Lagrangian in the visible sector is Charge-Parity (CP) invariant and a baryon asymmetry is produced only when quantum statistics is taken into account. The CP symmetry is broken by matter…

High Energy Physics - Phenomenology · Physics 2017-05-24 Nikita Blinov , Anson Hook

We measure the charge asymmetry $A\equiv(N^{++} - N^{--})/(N^{++} + N^{--})$ of like-sign dimuon events in 6.1~fb$^{-1}$ of $p\bar{p}$ collisions recorded with the D0 detector at a center-of-mass energy $\sqrt{s}=1.96$~TeV at the Fermilab…

High Energy Physics - Experiment · Physics 2014-11-21 D0 Collaboration , V. Abazov et al

We show how to reduce the general formulation of the mass-angular momentum-charge inequality, for axisymmetric initial data of the Einstein-Maxwell equations, to the known maximal case whenever a geometrically motivated system of equations…

General Relativity and Quantum Cosmology · Physics 2015-12-09 Ye Sle Cha , Marcus A. Khuri

Charge asymmetry in electron (positron) scattering arises from the interference of the Born amplitude and the box-type amplitude corresponding to two virtual photons exchange. It can be extracted from electron proton and positron proton…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. A. Kuraev , V. V. Bytev , S. Bakmaev , E. Tomasi-Gustafsson

A model of a device is proposed and related theoretical calculation is performed to study the weak interactions among neutral atoms and molecules. In this model 3-body collisions among the neutral particles occur repeatedly in a trap.…

Other Condensed Matter · Physics 2010-01-15 Chengguang Bao

The measurement of the charge asymmetry $A_{FB}(e^-e^+\to \mu^-\mu^+)$ will play an important role at the high-luminosity circular electron-positron collider FCCee considered for construction at CERN. In particular, near the Z resonance,…

High Energy Physics - Phenomenology · Physics 2019-07-24 Stanislaw Jadach , Scott Yost

Photovoltaic effect of neutral atoms using inhomogeneous light in double-trap opened system is studied theoretically. Using asymmetric external driving field to replacing original asymmetric chemical potential of atoms, we create…

Quantum Physics · Physics 2022-01-19 Wenxi Lai , Jinyan Niu , Yu-Quan Ma , W. M. Liu

We investigate the hypothesis that the core of a galaxy has a positive electrical charge with an equal and opposite negative charge distributed over the galactic periphery. We present a determination of the amount of charge needed to…

General Physics · Physics 2015-05-20 S. Reucroft

Having taken the QED radiative correction and one-loop weak corrections into account, we have computed the unpolarized forward-backward asymmetry in the process $e^+e^- -> \mu^+\mu^-$ at a very reasonable accuracy. Special attention to the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Ma Wen-Gan , Sun La-Zhen , Liu Yao-Yang , Jiang Yi , Chao-Hsi Chang

We establish inequalities relating the size of a material body to its mass, angular momentum, and charge, within the context of axisymmetric initial data sets for the Einstein equations. These inequalities hold in general without the…

General Relativity and Quantum Cosmology · Physics 2018-03-28 Marcus Khuri , Naqing Xie