Letters in High Energy Physics
http://journals.andromedapublisher.com/index.php/LHEP
en-US<p align="justify">Letters in High Energy Physics (LHEP) is an open access journal published by Andromeda Publishing and Education Services. The articles in LHEP are distributed according to the terms of <a href="http://creativecommons.org/licenses/by/4.0" target="_blank" rel="noopener">the creative commons license CC-BY 4.0</a>. Under the terms of this license, copyright is retained by the author while use, distribution and reproduction in any medium are permitted provided proper credit is given to original authors and sources.</p> <h2 style="margin-bottom: 0px; margin-top: 0px;">Terms of Submission</h2> <p style="margin-top: 0px; margin-bottom: 0px;" align="justify">By submitting an article for publication in LHEP, the submitting author asserts that:</p> <p style="margin-top: 0px; margin-bottom: 0px;" align="justify">1. The article presents original contributions by the author(s) which have not been published previously in a peer-reviewed medium and are not subject to copyright protection.</p> <p style="margin-top: 0px; margin-bottom: 0px;" align="justify">2. The co-authors of the article, if any, as well as any institution whose approval is required, agree to the publication of the article in LHEP.</p>khalil@andromedapublisher.com (Professor Shaaban Khalil)lhep@andromedapublisher.com (LHEP Editorial Team)Fri, 11 Feb 2022 20:50:02 +0000OJS 3.1.0.1http://blogs.law.harvard.edu/tech/rss60Using Embedding Theorems to Account for the Extreme Properties of Traversable Wormholes
http://journals.andromedapublisher.com/index.php/LHEP/article/view/244
<p>Embedding theorems, which have a long history in the general theory of relativity, are used in this paper to<br>account for two of the more troubling aspects of Morris-Thorne wormholes, (1) the origin of exotic matter<br>and the amount needed to sustain a wormhole, and (2) the enormous radial tension that is characteristic of<br>wormholes with moderately-sized throats. Attributing the latter to exotic matter ignores the fact that exotic<br>matter was introduced for a completely different reason and is usually present in only small quantities.</p>Peter K.F. Kuhfittig
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http://journals.andromedapublisher.com/index.php/LHEP/article/view/244Fri, 11 Feb 2022 20:49:49 +0000Higgs Portal Vector Dark Matter Interpretation: Review of Effective Field Theory Approach and Ultraviolet Complete Models
http://journals.andromedapublisher.com/index.php/LHEP/article/view/270
<p>A review of the Higgs portal-vector dark matter interpretation of the spin-independent dark-matter nucleon<br>elastic scattering cross section is presented, where the invisible Higgs decay width measured at the<br>LHC is used. Effective Field Theory and ultraviolet complete models are discussed. LHC interpretations<br>show only the scalar and Majorana dark-matter scenarios; we propose to include interpretation for vector<br>dark matter in the EFT and UV completions theoretical framework. In addition, our studies suggest an<br>extension of the LHC dark matter interpretations to the sub-GeV regime.</p>Mohamed Zaazoua, Loan Truong, Kétévi Adikle Assamagan, Farida Fassi
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http://journals.andromedapublisher.com/index.php/LHEP/article/view/270Mon, 18 Apr 2022 21:16:43 +0000A Recipe for Conformal Blocks
http://journals.andromedapublisher.com/index.php/LHEP/article/view/293
<p>We describe a prescription for constructing conformal blocks in conformal field theories in any space-time dimension with arbitrary quantum numbers. Our procedure reduces the calculation of conformal blocks to constructing certain group theoretic structures that depend on the quantum numbers of primary operators. These structures project into irreducible Lorentz representations. Once the Lorentz quantum numbers are accounted for there are no further calculations left to do. We compute a multivariable generalization of the Exton function. This generalized Exton function, together with the group theoretic structures, can be used to construct conformal blocks for four-point as well as higher-point correlation functions.</p>Witold Skiba, Jean-Francois Fortin
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http://journals.andromedapublisher.com/index.php/LHEP/article/view/293Sun, 12 Jun 2022 05:09:04 +0000