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We derive the pair-production probability in a constant electric field in Rindler coordinates in a quasi-classical approximation. Our result is different from the pair-production probability in an inertial frame (Schwinger formula). In…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kirill Tuchin

In the framework of QED, scalar pair production by a single linearly polarized high-energy photon in the presence of an external Aharonov-Bohm potential is investigated. The exact scattering solutions of the Klein-Gordon equation in…

High Energy Physics - Theory · Physics 2011-07-19 G. Y. Shahin , M. S. Shikakhwa

The pair production of charged heavy leptons via two photon fusion is considered for hadron collisions at SSC and LHC energies. Rates for the inelastic process $pp \rightarrow \gamma \gamma X \rightarrow L^+L^-X$ and the elastic process $pp…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Bhattacharya , P. A. Kalyniak , K. A. Peterson

Ultra-relativistic peripheral collisions of heavy ions at LHC can produce copies of numbers of lepton pairs via the two-photon process. Since the energy of the heavy ions is so high, multi-pair production cross-sections of the light leptons…

High Energy Physics - Phenomenology · Physics 2020-07-15 Sevgi Karadağ , Mehmet Cem Güçlü

The production of charged hadrons and K_s mesons in the collisions of quasi-real photons has been measured using the OPAL detector at LEP. The data were taken at e+e- centre-of-mass energies of 161 and 172 GeV. The differential…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , K. Ackerstaff et al

We study pair production of scalar top quarks in polarized photon-photon collisions with the subsequent decay of the top squarks into b-quarks and charginos. We simulate this process by using PYTHIA6.4 for an electron beam energy 2E_beam…

High Energy Physics - Phenomenology · Physics 2010-11-02 A. Bartl , W. Majerotto , K. Mönig , A. N. Skachkova , N. B. Skachkov

The cross-section for a charged pion pair production by two photons is evaluated by using the low energy expression previously obtained from current algebra and PCAC which involves an integral over a vector and axial-vector spectral…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. F. Nasrallah , K. Schilcher

Exact calculations of the electron-positron pair production by a single photon in the Coulomb field of a nucleus with simultaneous capture of the electron into the K-shell are discussed for different nuclear charges. Using the equivalent…

Nuclear Theory · Physics 2008-11-26 Andreas Aste

The charged Higgs pair production via photon-photon collisions is investigated in the framework of two Higgs doublet model (2HDM), taking into account a full set of one-loop-level scattering amplitudes, i.e., including electroweak (EW)…

High Energy Physics - Phenomenology · Physics 2020-11-18 Mehmet Demirci

We propose general semiclassical method for computing the probability of soliton-antisoliton pair production in particle collisions. The method is illustrated by explicit numerical calculations in (1+1)-dimensional scalar field model. We…

High Energy Physics - Theory · Physics 2011-08-22 S. V. Demidov , D. G. Levkov

We investigate the pair production of charged heavy leptons via photon-induced processes at the proposed CERN Large Hadron Collider (LHC). Using effective photon and Z approximations, rates are given for $L^+L^-$ production due to $\gamma…

High Energy Physics - Phenomenology · Physics 2009-10-28 G. Bhattacharya , Pat Kalyniak , K. A. Peterson

The cross section for coherent pair production by linearly polarised photons in the 20-170 GeV energy range was measured for photon aligned incidence on ultra-high quality diamond and germanium crystals. The theoretical description of…

We explore the photoproduction mechanisms for charged and neutral pion pairs off a heavy nucleus at threshold. We calculate the production of charged pairs in the Coulomb field of the nucleus in the Born approximation using explicit…

Nuclear Theory · Physics 2022-06-22 S. Gevorkyan , I. Larin , R. Miskimen , E. Smith

The photo-production of a pair of scalar particles in the presence of an intense, circularly polarized laser beam is investigated. Using the optical theorem within the framework of scalar quantum electrodynamics, explicit expressions are…

High Energy Physics - Phenomenology · Physics 2013-01-14 Selym Villalba-Chávez , Carsten Müller

In this study, the charged Higgs pair production is calculated in the context of the supersymmetry at a $\gamma\gamma$-collider. The channel is explored in Two-parameter Non-Universal Higgs Model where the model provides relatively light…

High Energy Physics - Phenomenology · Physics 2019-11-13 Nasuf Sonmez

Exploiting the fact that $W$ pair production in high-energy $\gamma \gamma$ collisions is very large, we use this process to trigger Higgs, $Z$ or photon radiation. We find that there are sizeable rising cross-sections for triple bosons…

High Energy Physics - Phenomenology · Physics 2009-10-22 M. Baillargeon , F. Boudjema

We give an exact, analytic, and manifestly gauge invariant account of pair production in combined longitudinal and transverse electromagnetic fields, both depending arbitrarily on lightfront time. The instantaneous, nonperturbative…

High Energy Physics - Phenomenology · Physics 2011-12-19 Florian Hebenstreit , Anton Ilderton , Mattias Marklund

The production of charged pion pairs via multiphoton absorption from an intense X-ray laser wave colliding with an ultrarelativistic proton beam is studied. Our calculations include the contributions from both the electromagnetic and…

High Energy Physics - Phenomenology · Physics 2011-02-15 Anis Dadi , Carsten Müller

A possible setup for the experimental verification of linear Breit-Wheeler pair creation of electrons and positrons in photon-photon collisions is studied theoretically. It combines highly energetic bremsstrahlung photons, which are assumed…

High Energy Physics - Phenomenology · Physics 2021-01-20 Alina Golub , Selym Villalba-Chávez , Hartmut Ruhl , Carsten Müller

Taking into account the exchange forces between protons of scalar, pseudoscalar, vector and axial vector type the cross sections of neutral and charged scalar mesons $a_0(980)$, $a_+(980)$, $f_0(980)$, $\sigma(600)$ production are…

High Energy Physics - Phenomenology · Physics 2009-07-13 A. I. Ahmadov , Yu. M. Bystritskiy , E. A. Kuraev
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