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We have studied the feasibility of electron conduction in azulene molecule and compared with that in its isomer naphthalene. We have used non-equilibrium Green's function formalism to measure the current in our systems as a response of the…

Materials Science · Physics 2008-07-23 Sudipta Dutta , S. Lakshmi , Swapan K. Pati

The energy of a bunched non-relativistic ion beam can be deduced from measuring the beam phases in neighbouring Beam Position Monitors (BPMs). This report discusses implementation of such a procedure at the PIP-II H- linac being constructed…

Accelerator Physics · Physics 2025-09-18 A. Shemyakin , J. Kuharik , R. Sharankova

We measure the ratio of cross sections, $\sigma(p\bar{p}\rightarrow Z+2~b~\text{jets})$/$\sigma(p\bar{p}\rightarrow Z+\text{2 jets})$, for associated production of a $Z$ boson with at least two jets with transverse momentum $p_T^{\rm jet} >…

High Energy Physics - Experiment · Physics 2015-11-23 D0 Collaboration

We examine continuous measurements of the high-degree acoustic mode frequencies of the Sun covering the period from 2001 July to June 2014. These are obtained through the ring-diagram technique applied to the full-disk Doppler observations…

Solar and Stellar Astrophysics · Physics 2015-10-14 S. C. Tripathy , K. Jain , F. Hill

Dielectric data on glycerol and propylene carbonate covering 18 decades of frequency are presented and compared to each other. Both materials exhibit qualitatively similar behavior except for marked differences in the high-frequency region…

Disordered Systems and Neural Networks · Physics 2009-10-31 P. Lunkenheimer , U. Schneider , R. Brand , A. Loidl

Americium ($^{241}$Am) with an unpaired proton in the F$_{5/2}$ state exhibits a significant magnetic dipole moment. The dipole can be experimentally measured with application of even modest external magnetic fields, as little as 1G, as a…

Nuclear Experiment · Physics 2025-05-05 C. Scarlett , E. Fischbach , B. Freeman , J. J. Coy , P. Edwards , D. Osborne , J. Edwards , L. Mwibanda , A. Alsayegh

We present a comprehensive variability study on three blazars, S4 0954+65, PKS 0903-57, and 4C +01.02 covering a mass range of log(M/M$_{\odot}$) = 8--9, by using $\sim$15 years-long $\gamma$-ray light curves from \textit{Fermi}-LAT. The…

High Energy Astrophysical Phenomena · Physics 2023-11-06 Ajay Sharma , Sushanth Reddy Kamaram , Raj Prince , Rukaiya Khatoon , Debanjan Bose

We present measurements of the dipole mode asymptotic period spacing ($\Delta\Pi_1$), the coupling factor between p- and g- modes ($q$), the g-mode phase offset ($\epsilon_g$), and the mixed-mode frequency rotational splitting…

Solar and Stellar Astrophysics · Physics 2023-07-14 James S. Kuszlewicz , Marc Hon , Daniel Huber

The apparent sizes and brightnesses of galaxies are correlated in a dipolar pattern around matter overdensities in redshift space, appearing larger on their near side and smaller on their far side. The opposite effect occurs for galaxies…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-09 Sambatra Andrianomena , Camille Bonvin , David Bacon , Philip Bull , Chris Clarkson , Roy Maartens , Teboho Moloi

Here we describe an advanced multi functional, variable-energy positron beam system capable of measuring the energies of multiple positron-induced electrons in coincidence with the Doppler-shifted gamma photon resulting from the…

A preliminary study of time dependence of B^0-anti-B^0 oscillations using dilepton events is presented. The flavor of the B meson is determined by the charge sign of the lepton. To separate signal leptons from cascade and fake leptons we…

High Energy Physics - Experiment · Physics 2007-05-23 The BABAR Collaboration , B. Aubert

The correlations between different moments of two flow amplitudes, extracted with the recently developed asymmetric cumulants, are measured in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV recorded by the ALICE detector at the CERN…

Nuclear Experiment · Physics 2023-11-28 ALICE Collaboration

We investigate the time evolution of relative elemental abundances in the context of the first ionization potential effect focusing on an active region. Our aim is to characterize this evolution in different types of solar active region…

Solar and Stellar Astrophysics · Physics 2026-02-11 T. Varesano , D. M. Hassler , N. Zambrana Prado , J. M. Laming , J. Plowman , D. J. Knipp , M. Molnar , K. Barczynski , The SPICE consortium

Helioseismology can provide strong constraints on the evolution of Newton's constant over cosmic time. We make use of the best possible estimate of 8640 days of low-$\ell$ BISON data, corrected for the solar cycle variation, to obtain a new…

Solar and Stellar Astrophysics · Physics 2017-07-07 Alfio Bonanno , Hans-Erich Fröhlich

We present a detailed analysis of time variability of two distinct C IV broad absorption line (BAL) components seen in the spectrum of J162122.54+075808.4 ($z_{em}$ = 2.1394) using observations from SDSS, NTT and SALT taken at seven…

Astrophysics of Galaxies · Physics 2021-05-12 P. Aromal , R. Srianand , P. Petitjean

In order to take full advantage of the long time series collected by the GONG and MDI helioseismic projects, we present here an adaptation of the rotation-corrected $m$-averaged spectrum technique in order to observe low radial-order solar…

Astrophysics · Physics 2009-06-23 David Salabert , John W. Leibacher , Thierry Appourchaux

There have been recent claims (Anderson et al., EPL, 110, 10002) of a 5.9 year periodicity in measurements of Newton's gravitational constant, $G$, which show a very strong correlation with observed periodic variations in the length of the…

General Relativity and Quantum Cosmology · Physics 2015-09-02 M. Pitkin

We explore the impact of modified gravity on B-modes, identifying two main separate effects: lensing and propagation of tensor modes. The location of the inflationary peak of the BB spectrum depends on the speed of gravitational waves; the…

Cosmology and Nongalactic Astrophysics · Physics 2014-08-27 Luca Amendola , Guillermo Ballesteros , Valeria Pettorino

Directed and elliptic flow of inclusive photons near mid-rapidity in $158 $A GeV Pb+Pb collisions has been studied. The data have been obtained with the photon spectrometer LEDA of the WA98 experiment at the CERN SPS. The flow strength has…

Nuclear Experiment · Physics 2007-05-23 WA98 Collaboration , M. M. Aggarwal

Ripples are the most fundamental and ubiquitous aeolian bedforms formed on sandy surfaces, but their small size and fast response times make them inherently difficult to measure. However, these attributes also make ripples excellent flow…