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If the effective cosmological constant $\Lambda$ of the present universe is due to physical processes in the early universe operating at temperatures just above the electroweak energy scale, it is possible that new particles with…

High Energy Physics - Phenomenology · Physics 2015-09-30 F. R. Klinkhamer

Our knowledge on the possible existence in nature of stable exotic particles depends solely upon experimental observation. Guided by this general principle and motivated by theoretical hypotheses on the existence of stable particles of…

Nuclear Experiment · Physics 2009-11-10 Z. -T. Lu , R. J. Holt , P. Mueller , T. P. O'Connor , J. P. Schiffer , L. -B. Wang

A search for long-lived particles, which have come to rest within the ATLAS detector, is presented. The subsequent decays of these long-lived particles can produce high-momentum jets, resulting in large out-of-time energy deposits in the…

High Energy Physics - Experiment · Physics 2021-08-03 ATLAS Collaboration

Charge form factors corresponding to proton density distributions in exotic nuclei, such as $^{6,8}$He, $^{11}$Li, $^{17,19}$B and $^{14}$Be are calculated and compared. The results can be used as tests of various theoretical models for the…

Nuclear Theory · Physics 2009-11-10 A. N. Antonov , M. K. Gaidarov , D. N. Kadrev , P. E. Hodgson , E. Moya de Guerra

The study of exotic nuclei---nuclei with the ratio of neutron number $N$ to proton number $Z$ deviating much from that of those found in nature---is at the forefront of nuclear physics research because it can not only reveal novel nuclear…

Nuclear Theory · Physics 2017-03-28 Shan-Gui Zhou

In supersymmetric models, the well-known tension between naturalness and experimental constraints is relieved if the squarks and sleptons of the first two generations are superheavy, with masses of order 10 TeV, and all other superpartners…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jonathan A. Bagger , Jonathan L. Feng , Nir Polonsky , Ren-Jie Zhang

A few per cent fraction of antiprotons stopped in helium survives for an enormous time (up to tens of microseconds) in comparison with the usual lifetime ($10^{-12}s$) of these particles in matter. The explanation is that antiprotons are…

Nuclear Theory · Physics 2011-04-15 O. I. Kartavtsev

Several topics concerning nuclear structure and electromagnetic interactions of heavy nuclei are reviewed. These comprehend the deformed single-particle shell model, nuclear collective motion, symmetry breaking and approximate symmetry…

Nuclear Theory · Physics 2024-06-12 Alejandro Restrepo-Giraldo

Version 11 of the CHIANTI database and software package is presented. Advanced ionization equilibrium models have been added for low charge states of seven elements (C, N, O, Ne, Mg, Si and S), and represent a significant improvement…

Solar and Stellar Astrophysics · Physics 2024-03-26 R. P. Dufresne , G. Del Zanna , P. R. Young , K. P. Dere , E. Deliporanidou , W. T. Barnes , E. Landi

In this chapter we summarize current knowledge of the internal structure of giant planets. We concentrate on the importance of heavy elements and their role in determining the planetary composition and internal structure, in planet…

Earth and Planetary Astrophysics · Physics 2019-02-06 Ravit Helled , Tristan Guillot

We consider the collider phenomenology of split-supersymmetry models. We show that despite the challenging nature of the signals in these models the long-lived gluino can be discovered with masses in excess of 2 TeV at the LHC. At a future…

High Energy Physics - Phenomenology · Physics 2009-11-10 W. Kilian , T. Plehn , P. Richardson , E. Schmidt

Searches for heavy long-lived charged particles are performed using a data sample of 19.8 fb$^{-1}$ from proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 8 TeV collected by the ATLAS detector at the Large Hadron Collider.…

High Energy Physics - Experiment · Physics 2015-01-23 ATLAS Collaboration

Extrasolar planet host stars have been found to be enriched in key planet-building elements. These enrichments have the potential to drastically alter the composition of material available for terrestrial planet formation. Here we report on…

Earth and Planetary Astrophysics · Physics 2012-01-11 Jade C. Bond , David P. O'Brien , Dante S. Lauretta

We calculate the evolution of heavy element abundances from C to Zn in the solar neighborhood adopting our new nucleosynthesis yields. Our yields are calculated for wide ranges of metallicity (Z=0-Z_\odot) and the explosion energy (normal…

Astrophysics · Physics 2008-11-26 C. Kobayashi , H. Umeda , K. Nomoto , N. Tominaga , T. Ohkubo

We investigate a population of transiting planets that receive relatively modest stellar insolation, indicating equilibrium temperatures $< 1000$ K, and for which the heating mechanism that inflates hot Jupiters does not appear to be…

Earth and Planetary Astrophysics · Physics 2015-05-28 Neil Miller , Jonathan J. Fortney

A search for new long-lived particles decaying to leptons using proton-proton collision data produced by the CERN LHC at $\sqrt{s}$ = 13 TeV is presented. Events are selected with two leptons (an electron and a muon, two electrons, or two…

High Energy Physics - Experiment · Physics 2022-02-21 CMS Collaboration

We investigate the sensitivity of some of the proposed next-generation neutrino experiments to a galactic supernova. In particular, we study how well the supernova parameters (the average energies and luminosities) can be separated from the…

High Energy Physics - Phenomenology · Physics 2010-10-27 Solveig Skadhauge , Renata Zukanovich Funchal

Supersymmetric models often predict a lightest superpartner (LSP) which is electrically charged and stable on the timescales of collider experiments. If such a particle were to be observed experimentally, is it possible to determine whether…

High Energy Physics - Phenomenology · Physics 2009-11-07 Mark Byrne , Christopher Kolda , Peter Regan

In this review, I briefly summarize the present status of experimental and theoretical investigations of the properties of matter under conditions characteristic of planetary interiors, from terrestrial to jovian planets. I first focus on…

Earth and Planetary Astrophysics · Physics 2015-05-14 Gilles Chabrier

We calculate the energy levels and successive ionisation potentials (IPs) of ions of the three heaviest known Group 16 and 17 elements using a theoretical approach that combines the linearised coupled-cluster method, configuration…

Atomic Physics · Physics 2025-07-23 G. K. Vong , V. A. Dzuba , V. V. Flambaum