Simon, F., Dora, B., Muranyi, F., Janossy, A., Garaj, S., Forro, L., ...
The temperature dependence of the electron spin relaxation time in MgB2 is anomalous as it does not follow the temperature dependence of the resistivity above 150 K, it has a maximum around 400 K,...
Beam-Energy and System-Size Dependence of Dynamical Net Charge Fluctuations (2008)
Abelev, B. I., Aggarwal, M. M., Ahammed, Z., Anderson, B. D., Arkhipkin, D., Averichev, G. S., ...
We present measurements of net charge fluctuations in $Au + Au$ collisions at $\sqrt{s_{NN}} = $ 19.6, 62.4, 130, and 200 GeV, $Cu + Cu$ collisions at $\sqrt{s_{NN}} = $ 62.4, 200 GeV, and $p + p$...
Abelev, B.I., Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
The STAR collaboration at RHIC reports measurements of the inclusive yield of non-photonic electrons, which arise dominantly from semi-leptonic decays of heavy flavor mesons, over a broad range of...
Strange Particle Production in $p+p$ Collisions at $\sqrt{s}$= 200 GeV (2008)
Abelev, B.I., Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
We present strange particle spectra and yields measured at mid-rapidity in sqrt text s=200 GeV proton-proton (p+p) collisions at RHIC. We find that the previously observed universal transverse mass...
Neutral Kaon Interferometry in Au+Au collisions at sqrt(s_NN) = 200 GeV (2008)
Abelev, B.I., Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
We present the first statistically meaningful results from two-K0s interferometry in heavy-ion collisions. A model that takes the effect of the strong interaction into account has been used to fit...
Abelev, B.I., Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
We report a measurement of the longitudinal double-spin asymmetry A_LL and the differential cross section for inclusive midrapidity jet production in polarized proton collisions at sqrt(s)=200 GeV....
Abelev, B.I., Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
We present STAR measurements of the azimuthal anisotropy parameter v_2 for pions, kaons, protons, Lambda, bar Lambda, Xi+bar Xi, and \Omega + bar Omega, along with v_4 for pions, kaons, protons, and...
Global polarization measurement in Au+Au collisions (2008)
Abelev, B.I., Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
The system created in non-central relativistic nucleus-nucleus collisions possesses large orbital angular momentum. Due to spin-orbit coupling, particles produced in such a system could become...
Abelev, B.I., Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
We report the first measurement of the opening angle distribution between pairs of jets produced in high-energy collisions of transversely polarized protons. The measurement probes (Sivers)...
New Prototype Multi-gap Resistive Plate Chambers with Long Strips (2008)
Sun, Y. J., Li, C., Shao, M., Gui, B., Zhao, Y. E., Chen, H. F., ...
A new kind of Multi-gap Resistive Plate Chamber (MRPC) has been built for the large-area Muon Telescope Detector (MTD) for the STAR experiment at RHIC. These long read-out strip MRPCs (LMRPCs) have...
Electron spin resonance signal of Luttinger liquids and single-wall carbon nanotubes (2008)
Dóra, B., Gulácsi, M., Koltai, J., Zólyomi, V., Kürti, J., Simon, F.
A comprehensive theory of electron spin resonance (ESR) for a Luttinger liquid (LL) state of correlated metals is presented. The ESR measurables such as the signal intensity and the line-width are...
Hauser, B, Giudici, R, Simon, F, Duy, C Nguyen, Radermacher, P, Calzia, E
No abstract available.
Completion of the Series Fabrication of the Main Superconducting Quadrupole Magnets of LHC (2008)
Tortschanoff, Theodor, Modena, M, Papaphilippou, Y, Rossi, L, Schirm, K M, Burgmer, R, ...
By end of November 2006, the last main superconducting quadrupole cold mass needed for the installation was delivered by ACCEL Instruments to CERN. In total, 360 cold masses for the arc regions of...
Enhanced thermal stability and spin-lattice relaxation rate of N@C60 inside carbon nanotubes (2008)
Toth, S., Quintavalle, D., Nafradi, B., Korecz, L., Forro, L., Simon, F.
We studied the temperature stability of the endohedral fullerene molecule, N@C60, inside single-wall carbon nanotubes using electron spin resonance spectroscopy. We found that the nitrogen escapes at...
Mg5C60: A stable two dimensional conducting polymer (2008)
Quintavalle, D., Borondics, F., Klupp, G., Baserga, A., Simon, F., Janossy, A., ...
We present a study on the structural, spectroscopic, conducting and magnetic properties of Mg5C60, a two dimensional (2D) fulleride polymer. The polymer phase is stable up to the exceptionally high...
Metallic bundles of single-wall carbon nanotubes probed by electron spin resonance (2007)
Simon, F., Quintavalle, D., Janossy, A., Nafradi, B., Forro, L., Kuzmany, H., ...
C59N magnetic fullerenes inside single-wall carbon nanotubes (SWCNTs) are used to probe the density of states (DOS) on the host tubes using electron spin resonance (ESR). The C59N radicals are...
Electron spin resonance of single-walled carbon nanotubes and related structures (2007)
Nafradi, B, Nemes, N M, Feher, T, Forro, L, Kim, Y, Fischer, J E, ...
We report new results on the electron spin resonance of single walled carbon nanotubes, peapods and double walled carbon nanotubes. A small ESR line is present in well purified samples and its...
Magnetic fullerenes inside single-wall carbon nanotubes (2007)
Simon, F, Kuzmany, H, Nafradi, B, Feher, T, Forro, L, Fulop, F, ...
C59N magnetic fullerenes were formed inside single-wall carbon nanotubes by vacuum annealing functionalized C59N molecules encapsulated inside the tubes. A hindered, anisotropic rotation of C59N was...
Development of Tracking Detectors with industrially produced GEM Foils (2007)
Simon, F., Azmoun, B., Becker, U., Burns, L., Crary, D., Kearney, K., ...
The planned tracking upgrade of the STAR experiment at RHIC includes a large-area GEM tracker used to determine the charge sign of electrons and positrons produced from W+(-) decays. For such a...
Spin excitations in the antiferromagnet NaNiO2 (2007)
De Brion, Sophie, Darie, Céline, Hopzapfel, M., Talbayev, D., Mihaly, L., Simon, F., ...
In NaNiO2 , Ni3+ ions form a quasi two dimensional triangular lattice of S = 1=2 spins. The magnetic order observed below 20K has been described as an A type antiferromagnet with ferro- magnetic...
Abelev, B.I., Aggarwal, M.M., Ahammed, Z., Anderson, B.D., Arkhipkin, D., Averichev, G.S., ...
We study the energy dependence of the transverse momentum $(p_T)$ spectra for charged pions, protons and anti-protons for Au+Au collisions at $\sqrt{S_{NN}$=62.4 and 200 GeV. Data are presented at...
Spin excitations in the antiferromagnet NaNiO2 (2007)
De Brion, Sophie, Darie, Céline, Hopzapfel, M., Talbayev, D., Mihaly, L., Simon, F., ...
In NaNiO2 , Ni3+ ions form a quasi two dimensional triangular lattice of S = 1=2 spins. The magnetic order observed below 20K has been described as an A type antiferromagnet with ferro- magnetic...
Strange Particle Production in $p+p$ Collisions at $\sqrt{s}$= 200 GeV (2007)
Abelev, B.I., Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
We present strange particle spectra and yields measured at mid-rapidity in $\sqrt{\text{s}}=200$ GeV proton-proton ($p+p$) collisions at RHIC. We find that the previously observed universal...
Abelev, B.I., Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
The STAR collaboration at RHIC reports measurements of the inclusive yield of non-photonic electrons, which arise dominantly from semi-leptonic decays of heavy flavor mesons, over a broad range of...
Abelev, B.I., Aggarwal, M.M., Ahammed, Z., Anderson, B.D., Arkhipkin, D., Averichev, G.S., ...
We report the measurement of Lamda and Anti-Lamda yields and inverse slope parameters in d + Au collisions at sqrt(s_NN) = 200 GeV at forward and backward rapidities (y = +- 2.75), using data from...
Abelev, B.I., Aggarwal, M.M., Ahammed, Z., Anderson, B.D., Arkhipkin, D., Averichev, G.S., ...
We report on the observed differences in production rates of strange and multi-strange baryons in Au+Au collisions at sqrts = 200 GeV compared to p+p interactions at the same energy. The yields in...
Global polarization measurement in Au+Au collisions (2007)
Abelev, B.I., Aggarwal, M.M., Ahammed, Z., Anderson, B.D., Arkhipkin, D., Averichev, G.S., ...
The system created in non-central relativistic nucleus-nucleus collisions possesses large orbital angular momentum. Due to spin-orbit coupling, particles produced in such a system could become...
Abelev, B.I., Aggarwal, M.M., Ahammed, Z., Anderson, B.D., Arkhipkin, D., Averichev, G.S., ...
We report the first measurement of the opening angle distribution between pairs of jets produced in high-energy collisions of transversely polarized protons. The measurement probes (Sivers)...
Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., Anderson, M., ...
We report charged particle pair correlation analyses in the space of $\delta\phi$ (azimuth) and $\delta\eta$ (pseudorapidity), for central Au+Au collisions at $\sqrt{S_NN}$=200 GeV in the STAR...
$\phi$ meson production in Au+Au and p+p collisions at $\sqrt{s_{NN}}$= 200 GeV (2007)
Adams, J., Adler, C., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., ...
We report the STAR measurement of Phi meson production in Au+Au and p+p collisions at sqrt (s)=200 GeV. Using the event mixing technique, the Phi spectra and yields are obtained at mid-rapidity for...
The COMPASS Experiment at CERN (2007)
Abbon, P, Albrecht, E, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Alekseev, M G, ...
The COMPASS experiment makes use of the CERN SPS high-intensitymuon and hadron beams for the investigation of the nucleon spin structure and the spectroscopy of hadrons. One or more outgoing...
Conduction electron spin-lattice relaxation time in the MgB2 superconductor (2007)
Simon, F., Murányi, F., Fehér, T., Jánossy, A., Forró, L., Petrovic, C., ...
The spin-lattice relaxation time, $T_{1}$, of conduction electrons is measured as a function of temperature and magnetic field in MgB$_2$. The method is based on the detection of the $z$ component of...
Partonic flow and $\phi$-meson production in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV (2007)
Abelev, B.I., Aggarwal, M.M., Ahammed, Z., Anderson, B.D., Arkhipkin, D., Averichev, G.S., ...
We present first measurements of the $\phi$-meson elliptic flow ($v_{2}(p_{T})$) and high statistics $p_{T}$ distributions for different centralities from $\sqrt{s_{NN}}$ = 200 GeV Au+Au collisions...
Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., Anderson, M., ...
We present the first study of the energy dependence of p$_t$ angular correlations inferred from event-wise mean transverse momentum (p$_$t) fluctuations in heavy ion collisions. We compare our...
Abelev, B.I., Aggarwal, M.M., Ahammed, Z., Anderson, B.D., Arkhipkin, D., Averichev, G.S., ...
The measurements of the centrality dependence of $dN/d\eta$ and transverse momentum spectra from mid- to forward rapidity in d+Au collisions at $\sqrt{s_{_{\rm NN}}} =$ 200 GeV are reported. They...
Scaling properties of hyperon production in Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV (2007)
Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., Anderson, M., ...
We present the scaling properties of Lambda, Xi, and Omega in midrapidity Au+Au collisions at the Brookhaven National Laboratory Relativistic Heavy Ion Collider at root s(NN)=200 GeV. The yield of...
Multi-strange baryon elliptic flow in Au+Au collisions at $\sqrt{s_{NN}}$= 200 GeV (2007)
Adams, J., M. Aggarwal, M., Ahammed, Z., Amonett, J., D. Anderson, B., Arkhipkin, D., ...
We report on the first measurement of elliptic flow $v_2(p_T)$ of multi-strange baryons $\Xi+\bar{Xi}$ and $\Omega+\bar{Omega} in heavy-ion collisions. In minimum bias Au+Au collisions at sqrt(s_NN)...
I. Abelev, B., M. Aggarwal, M., Ahammed, Z., Amonett, J., D. Anderson, B., Anderson, M., ...
We report a measurement of the longitudinal double-spin asymmetry A(LL) and the differential cross section for inclusive midrapidity jet production in polarized proton collisions at s=200 GeV. The...
Neutral Kaon Interferometry in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV (2007)
Abelev, B.I., M. Aggarwal, M., Ahammed, Z., Amonett, J., D. Anderson, B., Anderson, M., ...
We present the first statistically meaningful results from two-K0s interferometry in heavy-ion collisions. A model that takes the effect of the strong interaction into account has been used to fit...
Proton-Lambda correlations in central Au+Au collisions at $\sqrt{^{s}NN}$=200 GeV (2007)
Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., Arkhipkin, D., ...
We report on p-$\lambda$,p-$\lambdabar$,$\pbar$-$\lambda, and - correlation functions constructed in central Au-Au collisions at $\sqrt{^{s}NN}$=200 GeV by the STAR experiment at RHIC. The proton and...
Scaling properties of hyperon production in Au+Au collisions at root s(NN)=200 GeV (2007)
Adams, J., Aggarwal, M. M., Ahammed, Z., Amonett, J., Anderson, B. D., Anderson, M., ...
We present the scaling properties of Lambda, Xi, and Omega in midrapidity Au+Au collisions at the Brookhaven National Laboratory Relativistic Heavy Ion Collider at root s(NN)=200 GeV. The yield of...
Evaluating software project control centers in industrial environments (2007)
Ciolkowski, M., Heidrich, J., Münch, J., Simon, F., Radicke, M.
Many software development organizations still lack support for detecting and reacting to critical project states in order to achieve planned goals. One means to institutionalize project control,...
Direct observation of dijets in central Au plus Au collisions at $\sqrt{{^}NN}=200 GeV (2006)
Adams, J., M. Aggarwal, M., Ahammed, Z., Amonett, J., D. Anderson, B., Anderson, M., ...
The STAR Collaboration at the Relativistic Heavy Ion Collider reports measurements of azimuthal correlations of high transverse momentum (p(T)) charged hadrons in Au+Au collisions at higher p(T) than...
Forward neutral pion production in p+p and d+Au collisions at $\sqrt{^{S}NN}$=200 GeV (2006)
Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., Arkhipkin, D., ...
Measurements of the production of forward pi(0) mesons from p+p and d+Au collisions at root s(NN) = 200 GeV are reported. The p+p yield generally agrees with next-to-leading order perturbative QCD...
Abelev, B.I., Aggarwal, M.M., Ahammed, Z., Anderson, B.D., Anderson, M., Arkhipkin, D., ...
Transverse momentum spectra of pi(+/-), p, and (p) over bar p up to 12 GeV/c at midrapidity in centrality selected Au + Au collisions at root s(NN) = 200 GeV are presented. In central Au + Au...
Strange Baryon Resonance Production in $\sqrt{^{S}NN}$=200 GeV p+p and Au+Au Collisions (2006)
Abelev, B.I., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., Anderson, M., ...
We report the measurements of Sigma(1385) and Lambda(1520) production in p+p and Au+Au collisions at root s(NN)=200 GeV from the STAR Collaboration. The yields and the p(T) spectra are presented and...
Adams, J., M. Aggarwal, M., Ahammed, Z., Amonett, J., D. Anderson, B., Anderson, M., ...
We report measurements of transverse momentum $p_t$ spectra for ten event multiplicity classes of p-p collisions at $\sqrt{s} = 200$ GeV. By analyzing the multiplicity dependence we find that the...
Inclusive $\pi^0$ spectra at high transverse momentum in d-Au collisions at RHIC (2006)
Adams, J., Adler, C., M. Aggarwal, M., Ahammed, Z., Amonett, J., D. Anderson, B., ...
Preliminary results on inclusive neutral pion production in d-Au collisions at $\sqrt{s_{NN}}$ in the pseudo-rapidity range $0
Event-wise mean ($p_t$) fluctuations in Au-Au collisions at $\sqrt{s_{NN}}$ = 130 GeV (2006)
Adams, J., Adler, C., M. Aggarwal, M., Ahammed, Z., Amonett, J., D. Anderson, B., ...
We present the first large-acceptance measurement of event-wise mean transverse momentum mean p_t fluctuations for Au-Au collisions at nucleon-nucleon center-of-momentum collision energy sqrt{s_{NN}}...
Adams, J., Aggarwal, M. M., Ahammed, Z., Amonett, J., Anderson, B. D., Arkhipkin, D., ...
We present first measurements of the pseudorapidity and azimuth $(\eta,\phi)$ bin-size dependence of event-wise mean transverse momentum $$ fluctuations for Au-Au collisions at $\sqrt{s_{NN}} = 200$...
Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., Arkhipkin, D., ...
We present first measurements of charge-independent correlations on momentum-space difference variables $\eta_1 - \eta_2$ (pseudorapidity) and $\phi_1 - \phi_2$ (azimuth) for charged primary hadrons...
Tortschanoff, Theodor, Burgmer, R, Durante, M, Hagen, P, Klein, U, Krischel, D, ...
The fabrication of the 408 main arc quadrupole magnets and their cold masses will come to an end in summer 2006. A rich collection of measurement and test data has been accumulated and their analysis...
Spin excitations in the antiferromagnet NaNiO2 (2006)
De Brion, Sophie, Darie, C., Hopzapfel, M., Talbayev, D., Mihaly, L., Simon, F., ...
In NaNiO2, Ni3+ ions form a quasi two dimensional triangular lattice of S = 1=2 spins. The magnetic order observed below 20K has been described as an A type antiferromagnet with ferro- magnetic...
Adams, J., Aggarwal, M.M., Ahammed, Z., Amonett, J., Anderson, B.D., Anderson, M., ...
We present the transverse momentum (p$_T$) spectra for identified charged pions, protons and anti-protons from p+p and d+Au collisions at $\sqrt{^s}NN}$ . The spectra are measured around midrapidity...
The LHC Main Quadrupoles during Series Fabrication (2006)
Tortschanoff, Theodor, Burgmer, R, Durante, M, Hagen, P, Klein, U, Krischel, D, ...
By the end of August 2005 about 320 of the 400 main LHC quadrupole magnets have been fabricated and about 220 of them assembled into their cold masses, together with corrector magnets. About 130 of...