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Electronic stopping cross section of tungsten for light ions was experimentally measured in a wide energy interval (20 to 6000 keV for protons and 50 to 9000 keV for helium) in backscattering and transmission geometries. The measurements…

Nuclear Experiment · Physics 2021-05-19 M. V. Moro , P. M. Wolf , B. Bruckner , F. Munnik , R. Heller , P. Bauer , D. Primetzhofer

Scalar and tensor interactions were once competitors to the now well-established V-A structure of the Standard Model weak interactions. We revisit these interactions and survey constraints from low-energy probes (neutron, nuclear, and pion…

Hadron-hadron collisions at high energies are investigated in the Ultra-relativistic-Quantum-Molecular-Dynamics approach (UrQMD). This microscopic transport model is designed to study pp, pA and A+A collisions. It describes the…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Bleicher , E. Zabrodin , C. Spieles , S. A. Bass , C. Ernst , S. Soff , L. Bravina , M. Belkacem , H. Weber , H. Stöcker , W. Greiner

We report measurements of the short-range forces between two macroscopic gold-coated plates using a torsion pendulum. The force is measured for separations between 0.7 $\mu$m and 7 $\mu$m, and is well described by a combination of the…

Quantum Physics · Physics 2015-05-30 A. O. Sushkov , W. J. Kim , D. A. R. Dalvit , S. K. Lamoreaux

Present and future expected limits on interactions between dark matter and various quarks are thoroughly investigated in a model-independent way. In particular, the constraints on the interactions from the Large Hadron Collider (LHC)…

High Energy Physics - Phenomenology · Physics 2013-04-22 Biplob Bhattacherjee , Debajyoti Choudhury , Keisuke Harigaya , Shigeki Matsumoto , Mihoko M. Nojiri

The semi-microscopic potential between heavy nuclei is evaluated for various colliding ions in the approach of frozen densities in the framework of the extended Thomas-Fermi approximation with hbar^2 correction terms in the kinetic energy…

Nuclear Theory · Physics 2009-11-10 V. Yu. Denisov

We have measured twelve transition frequencies of the antiprotonic helium atom (pbar-He+) with precisions of 0.1--0.2 ppm using a laser spectroscopic method. The agreement between the experiment and theories was so good that we can put a…

Exotic deuterium and helium are discussed. The S, P and D levels of antiprotonic and kaonic atoms are calculated. Absorptive, subthreshold antiproton-nucleon amplitudes are extracted from experimental data and compared to model…

Nuclear Theory · Physics 2007-05-23 S. Wycech , B. Loiseau

A review of searches for physics beyond the Standard Model carried out at high energy lepton-hadron and hadron-hadron facilities is presented, with emphasis on topics of interest for future data taking at the upgraded Tevatron $p{\bar p}$…

High Energy Physics - Experiment · Physics 2011-03-23 Masahiro Kuze , Yves Sirois

The equation of state for dense nuclear matter in $\beta$-equilibrium is explored including the possibility of a doubly-strange H-particle. Consistent with experimental constraints, the mass of the H in free space is taken to be near the…

Nuclear Theory · Physics 2026-02-04 Jesper Leong , Anthony W. Thomas , Pierre A. M. Guichon

The LHC has been designed as a collider of proton and ion beams. However, in its experimental program, which is focused mainly on studies of high energy transfer collisions of Standard Model point-like particles, protons and ions will play…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. W. Krasny , S. Jadach , W. Placzek

Dimuon and dielectron mass spectra, obtained from data resulting from proton-proton collisions at 8 TeV and recorded by the CMS experiment, are used to search for both narrow resonances and broad deviations from standard model predictions.…

High Energy Physics - Experiment · Physics 2015-05-18 CMS Collaboration

We update the global constraint on four-fermion $ee q q$ contact interactions. In this update, we included the published data of H1 and ZEUS for the 94--96 run in the $e^+ p$ mode and the newly published data of H1 for the 1999 run in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kingman Cheung

We investigate the possibility of clarifying internal structure of exotic hadrons by high-energy exclusive reactions. In particular, the constituent-counting rule could be used for determining the internal configuration in large-angle…

High Energy Physics - Phenomenology · Physics 2013-12-09 H. Kawamura , S. Kumano , T. Sekihara

The hadro-quarkonium picture [S. Dubinskiy and M.B. Voloshin, Phys. Lett. B 666, 344 (2008)] provides one possible interpretation for the pentaquark candidates with hidden charm, recently reported by the LHCb Collaboration, as well as for…

High Energy Physics - Lattice · Physics 2017-04-12 Maurizio Alberti , Gunnar S. Bali , Sara Collins , Francesco Knechtli , Graham Moir , Wolfgang Söldner

In the framework of the heavy baryon perturbation theory, in which the two-pion exchange is considered, the physical properties of heavy-baryon-anti-heavy-baryon systems are revisited. The potentials between heavy-baryon and…

High Energy Physics - Phenomenology · Physics 2013-12-16 Yue-De Chen , Cong-Feng Qiao , Peng-Nian Shen , Zhuo-Quan Zeng

A highly intense femtosecond laser pulse incident on a plasma target of supercritical density, gives rise to reflected high-order harmonics of the laser frequency. The radiation model adopted here considers Brunel electrons -those…

Plasma Physics · Physics 2015-06-19 R. Ondarza-Rovira , T. J. M. Boyd

The properties of the Lambda(1405) resonance are key ingredients for determining the antikaon-nucleon interaction in strangeness nuclear physics, and the novel internal structure of the Lambda(1405) is of great interest in hadron physics,…

High Energy Physics - Phenomenology · Physics 2016-08-24 Yuki Kamiya , Kenta Miyahara , Shota Ohnishi , Yoichi Ikeda , Tetsuo Hyodo , Eulogio Oset , Wolfram Weise

We compile experimental data for the averaged transverse momentum ($\left\langle p_{T}\right\rangle $) of proton, $\Lambda$, $\Xi^{-}$, $\Omega^{-}$ and $\phi$ at mid-rapidity in Au+Au collisions at $\sqrt{s_{NN}}=$ 200, 39, 27, 19.6, 11.5,…

Nuclear Theory · Physics 2022-10-04 Yan-ting Feng , Feng-lan Shao , Jun Song

We investigate the two-particle intensity correlation function of $\Lambda$ in relativistic heavy-ion collisions. We find that the behavior of the $\Lambda\Lambda$ correlation function at small relative momenta is fairly sensitive to the…

Nuclear Theory · Physics 2015-03-05 Kenji Morita , Takenori Furumoto , Akira Ohnishi