M. Johnson

Publication List Details

Period

1971 - 2008

Number

822

Co-Authors

Arsenate Incorporation in Gypsum Probed by Neutron, X-ray Scattering and Density Functional Theory Modeling (2008)

Fernandez-Martinez, Alejandro, Charlet, Laurent, Cuello, Gabriel, Johnson, M., Roman-Ross, Gabriela, Bardelli, Fabrizio, ...

The ability of gypsum, a common sulfate mineral, to host arsenic atoms in its crystalline structure, is demonstrated through experimental structural studies of the solid solutions formed upon...

Arsenate Incorporation in Gypsum Probed by Neutron, X-ray Scattering and Density Functional Theory Modeling (2008)

Fernandez-Martinez, Alejandro, Charlet, Laurent, Cuello, Gabriel, Johnson, M., Roman-Ross, Gabriela, Bardelli, Fabrizio, ...

The ability of gypsum, a common sulfate mineral, to host arsenic atoms in its crystalline structure, is demonstrated through experimental structural studies of the solid solutions formed upon...

First Results with the Modified Jet - the Jet Team (2008)

Adams, J. M., Agarici, Y., Ageladarakis, P., Alper, B., Altmann, H., Andrew, P., ...

JET was extensively modified in the 1992/93 shutdown. The new pumped divertor and many new systems were brought into operation early in 1994. Operations have progressed to 4MA plasma current and,...

JET results with the new pumped divertor and implications for ITER (2008)

Adams, J. M., Ageladarakis, P., Alper, B., Altmann, H., Andrew, P., AliArshad, S., ...

This paper presents an overview of results of the 1994/95 experimental campaign on JET with the new pumped divertor and draws implications for ITER in the areas of detached and radiative divertor...

High performance Joint European Torus (JET) plasmas for deuterium-tritium operation with the MkII divertor (2008)

Jones, T. T. C., Adams, J. M., Ageladarakis, P., AliArshad, S., Alper, B., Altmann, H., ...

Planned experiments in the Joint European Torus [Plasma Physics and Controlled Fusion Research, Proceedings, 13th International Conference, Washington, D.C., 1990 (International Atomic Energy Agency,...

Latest JET results in deuterium and deuterium-tritium plasmas (2008)

Adams, J. M., Ageladarakis, P., Arshad, S. A., Alper, B., Altmann, H., Andrew, P., ...

All major JET systems have been fully commissioned for D-T and the DTE1 series of experiments has started with the D-T fuel mixture and operating conditions foreseen for ITER. In the area of ITER...

Overview of JET results in support of the ITER physics basis (2008)

Adams, J. M., Ageladarakis, P., Alper, B., Altmann, H., Arshad, S., Bainbridge, N., ...

The JET experimental campaign has focused on studies in support of the ITER physics basis. An overview of the results obtained is given for the reference ELMy H mode and advanced scenarios, which in...

Mars Aeronomy Explorer (MAX): study employing distributed micro-spacecraft (2008)

Shotwell, Robert F., Gray, Andrew A., Illsley, Peter M., Johnson, M., Sherwood, Robert L., Vozoff, M., ...

An overview of a Mars Aeronomy Explorer (MAX) mission design study performed at NASA's Jet Propulsion Laboratory is presented herein. The mission design consists of ten micro-spacecraft orbiters...

Tetrahedra system Cudaca: high-temperature manifold of molecular configurations governing low-temperature properties (2008)

Zaharko, O., Mesot, J., Salguero, L. A., Valenti, R., Zbiri, M., Johnson, M., ...

The Cudaca system composed of isolated Cu2+ S=1/2 tetrahedra with antiferromagnetic exchange should exhibit properties of a frustrated quantum spin system. ab initio density functional theory...

Development of alternative modes of data collection in South Asians with Type 2 diabetes (2008)

Lloyd, C. E., Sturt, J., Johnson, M., Mughal, S., Collins, G., Barnett, A. H.

Summary Aims: previous research in the UK has established the difficulty of recruiting and collecting information from individuals whose main language is spoken and does not have an agreed written...

Salmeterol with fluticasone enhances the suppression of IL-8 release and increases the translocation of glucocorticoid receptor by human neutrophils stimulated with cigarette smoke (2008)

Mortaz, E., Rad, M.V., Johnson, M., Raats, D., Nijkamp, F.P., Folkerts, G.

The combination of inhaled corticosteroids and long-acting β2-adrenoceptor agonists is increasingly used in chronic obstructive pulmonary disease (COPD). Recently, we have demonstrated that...

Measurement of the $p\bar{p} \to t\bar{t} + X$ production cross section at $sqrt{s}$=1.96 TeV in the fully hadronic decay channel (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of sqrt(s)=1.96 TeV is presented. This analysis uses 405 pb-1 of data collected...

Measurement of the $p\bar{p} \to t\bar{t} + X$ production cross section at $sqrt{s}$=1.96 TeV in the fully hadronic decay channel (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of sqrt(s)=1.96 TeV is presented. This analysis uses 405 pb-1 of data collected...

Measurement of the $p\bar{p} \to t\bar{t} + X$ production cross section at $sqrt{s}$=1.96 TeV in the fully hadronic decay channel (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of sqrt(s)=1.96 TeV is presented. This analysis uses 405 pb-1 of data collected...

30 GHz High-Gradient Accelerating Structure Test Results (2007)

Rodríguez, J, Aksakal, H, Arnau-Izquierdo, G, Corsini, R, Döbert, S, Fandos, R, ...

The CLIC study is high power testing accelerating structures in a number of different materials and accelerating structure designs to understand the physics of breakdown, determine the appropriate...

Beam-Based Diagnostics of RF-Breakdown in the Two-Beam Test-Stand in CTF3 (2007)

Johnson, M

The general outline of a beam-based diagnostic method of RF-breakdown, using BPMs, at the two-beam test-stand in CTF3 is discussed. The basic components of the set-up and their functions in the...

Rate of AIDS diseases or death in HIV-infected antiretroviral therapy-naive individuals with high CD4 cell count (2007)

Phillips, A.N., Gazzard, B., Gilson, R., Easterbrook, P., Johnson, M., Walsh, J., ...

Objective: To assess the absolute rate of AIDS and death in antiretroviral therapy (ART)-naive patients with a high CD4 cell count. Such information would be helpful in the design of a trial...

Combination of CDF and D0 results on the W boson mass and width (2007)

Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Combination of CDF and D0 results on the W boson mass and width (2007)

Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Combination of CDF and D0 results on the W boson mass and width (2007)

Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Search for $B^0_ s \to \mu^+ \mu^-$ decays at D0 (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We report results from a search for the decay Bs --> mu+ mu- using 1.3/fb of pbar p collisions at sqrt(s)= 1.96 TeV collected by the D0 experiment at the Fermilab Tevatron Collider. We find two...

Search for the lightest scalar top quark in events with two leptons in $p\bar p$ collisions at $\sqrt{s}$ = 1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

Data collected by the D0 detector at a p-pbar center-of-mass energy of 1.96 TeV at the Fermilab Tevatron Collider have been used to search for pair production of the lightest supersymmetric partner...

Measurement of the $\Lambda_b^0$ lifetime using semileptonic decays (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We report a measurement of the Lambda_b lifetime using a sample corresponding to 1.3 fb$^{-1}$ of data collected by the D0 experiment in 2002--2006 during Run II of the Fermilab Tevatron collider....

Measurement of the shape of the boson rapidity distribution for $p\bar{p} \to Z/\gamma^* \to e^+e^- +X$ events produced at $\sqrt{s}$ of 1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Aguilo, E., ...

We present a measurement of the shape of the boson rapidity distribution for p\bar{p}-> Z/gamma*-> e+e- +X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with...

Measurement of the shape of the boson rapidity distribution for $p\bar{p} \to Z/\gamma^* \to e^+e^- +X$ events produced at $\sqrt{s}$ of 1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Aguilo, E., ...

We present a measurement of the shape of the boson rapidity distribution for p\bar{p}-> Z/gamma*-> e+e- +X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with...

Measurement of the shape of the boson rapidity distribution for $p\bar{p} \to Z/\gamma^* \to e^+e^- +X$ events produced at $\sqrt{s}$ of 1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Aguilo, E., ...

We present a measurement of the shape of the boson rapidity distribution for p\bar{p}-> Z/gamma*-> e+e- +X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with...

Search for techniparticles in e +jets events at D0 (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We search for the technicolor process ppbar -> rho_T/omega_T ->W+pi_T in events containing one electron and two jets, in data corresponding to an integrated luminosity of 390 pb-1, recorded by the D0...

Evidence for production of single top quarks and first direct measurement of $|V_{tb}|$ (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron ppbar collider. Using a 0.9 fb^-1 dataset, we apply a multivariate analysis to separate...

Evidence for production of single top quarks and first direct measurement of $|V_{tb}|$ (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron ppbar collider. Using a 0.9 fb^-1 dataset, we apply a multivariate analysis to separate...

Evidence for production of single top quarks and first direct measurement of $|V_{tb}|$ (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron ppbar collider. Using a 0.9 fb^-1 dataset, we apply a multivariate analysis to separate...

Ammonium accumulation during a silicate-limited diatom bloom indicates the potential for ammonia emission events (2007)

Johnson, M., Sanders, R., Avgoustidi, V., Lucas, M., Brown, L., Hansell, D., ...

Ammonium (NH4+) concentration was measured at 15 stations in the NE Atlantic during the declining phase of the spring diatom bloom as part of the FISHES 2001 cruise. The NE Atlantic temperate spring...

Z$\gamma$ production and limits on anomalous ZZ$\gamma$ and Z$\gamma\gamma$ couplings in p$\bar p$ collisions at $\sqrt{s}$ = 1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We present a study of eegamma and mumugamma events using over 1 fb-1 of data collected with the D0 detector at the Fermilab Tevatron ppbar Collider at sqrt(s) = 1.96 TeV. Having observed 453 (515)...

Measurement of the $t\bar{t}$ production cross section in $p\bar{p}$ collisions using dilepton events (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We present a measurement of the ttbar pair production cross section in ppbar collisions at sqrt(s) = 1.96 TeV utilizing approximately 425 pb-1 of data collected with the D0 detector. We consider...

Observation and properties of L=1 $B_1$ and B$_2^*$ mesons (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

Excited B mesons B_1 and B_2* are observed directly for the first time as two separate states in fully reconstructed decays to B+(*) pi-. The mass of B_1 is measured to be (5720.6 +- 2.4 +- 1.4)...

Measurement of the $t\bart$ production cross section in $p\barp$ collisions at $\sqrt{s}$ = 1.96 TeV using kinematic characteristics of lepton + jets events (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We present a measurement of the top quark pair production cross section in ppbar collisions at sqrt(s)=1.96 TeV utilizing 425 pb-1 of data collected with the D0 detector at the Fermilab Tevatron...

Multivariate searches for single top quark production with the D0 detector (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We present a search for electroweak production of single top quarks in the s-channel (p-pbar -> t bbar + X) and t-channel (p-pbar -> tq bbar + X) modes. We have analyzed 230 pb^(-1) of data collected...

Photexcitation of Aqueous Ruthenium(II)-tris-(2,2'-bipyridine) with High-Intensity Femtosecond Laser Pulses (2007)

Tarnovsky, A. N., Gawelda, W., Johnson, M., Bressler, C., Chergui, M.

The authors report a femtosecond pump-probe study of photochem. of concd. aq. solns. of [Ru(bpy)3]2+, as a function of pump power (up to 2 TW/cm2) at 400 nm excitation. The transient absorption...

Measurement of the top quark mass in the lepton+jets channel using the ideogram method (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

A measurement of the top quark mass using events with one charged lepton, missing transverse energy, and jets in the final state, collected by the D0 detector from p-pbar collisions at sqrt{s} = 1.96...

Measurement of the charge asymmetry in semileptonic $B^0_s$ decays (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We have performed the first direct measurement of the time integrated flavor untagged charge asymmetry in semileptonic Bs decays, Asl(unt), by comparing the decay rate of Bs --> mu+ Ds- nu X, where...

Search for a Higgs boson produced in association with a Z boson in $p\bar{p}$ collisions (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We describe a search for the standard model Higgs boson with a mass of 105 GeV/c^2 to 145 GeV/c^2 in data corresponding to an integrated luminosity of approximately 450 pb^{-1} collected with the D0...

Search for third-generation leptoquarks in $p\bar p$ collisions at $\sqrt{s}$=1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We report on a search for charge-1/3 third-generation leptoquarks (LQ) produced in ppbar collisions at sqrt(s)=1.96 TeV using the D0 detector at Fermilab. Third generation leptoquarks are assumed to...

Search for stopped gluinos from $p\bar p$ collisions at $\sqrt{s}$=1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

Long-lived, colored, heavy particles are predicted in several models beyond the standard model of particle physics, one example being the gluino ($\tilde g$) in split supersymmetry. Some fraction of...

Measurement of the $\Lambda_b$ lifetime in the exclusive decay $\Lambda_b \to J/\psi \Lambda$ (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We have measured the Lambda_b lifetime using the exclusive decay Lambda_b to J/psi Lambda, based on 1.2 fb-1 of data collected with the D0 detector during 2002-2006. From 171 reconstructed Lambda_b...

Search for scalar leptoquarks in the acoplanar jet topology in $p\bar{p}$ collisions at $\sqrt(s)$=1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

A search for leptoquarks has been performed in 310 pb-1 of data from ppbar collisions at a center-of-mass energy of 1.96 TeV, collected by the D0 detector at the Fermilab Tevatron Collider. The...

Measurement of B(t$\to$Wb)/B(t$\to$Wq) at $\sqrt(s)$ = 1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We present the measurement of R = B(t->Wb)/B(t->Wq) in ppbar collisions at sqrt(s) = 1.96 TeV, using 230 pb-1 of data collected by the DO experiment at the Fermilab Tevatron Collider. We fit...

The upgraded D0 detector (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, D.L., Adams, M., ...

The D0 experiment enjoyed a very successful data-collection run at the Fermilab Tevatron collider between 1992 and 1996. Since then, the detector has been upgraded to take advantage of improvements...

Measurement of the W boson helicity in top quark decay at D0 (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We present a measurement of the fraction f_+ of right-handed W bosons produced in top quark decays, based on a candidate sample of ttbar events in the l+jets and dilepton decay channels corresponding...

Search for single production of scalar leptoquarks in p$\bar{p}$ collisions decaying into muons and quarks with the D0 detector (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We report on a search for second generation leptoquarks LQ_2 which decay into a muon plus quark in p\bar{p} collisions at a center-of-mass energy of sqrt{s} = 1.96 TeV in the D0 detector using an...

Lifetime difference and CP-violating phase in the $B_s^0$ system (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

From an analysis of the decay Bs -> J/psi phi we obtain the width difference between the light and heavy mass eigenstates, and the CP-violating phase.

Search for single production of scalar leptoquarks in p$\bar{p}$ collisions decaying into muons and quarks with the D0 detector (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We report on a search for second generation leptoquarks LQ_2 which decay into a muon plus quark in p\bar{p} collisions at a center-of-mass energy of sqrt{s} = 1.96 TeV in the D0 detector using an...

Search for single production of scalar leptoquarks in p$\bar{p}$ collisions decaying into muons and quarks with the D0 detector (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We report on a search for second generation leptoquarks LQ_2 which decay into a muon plus quark in p\bar{p} collisions at a center-of-mass energy of sqrt{s} = 1.96 TeV in the D0 detector using an...

Measurement of the branching fraction Br(B$^0_s \to D^{(*)}_s D^{(*)}_s)$ (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

We report a measurement of the branching fraction Br(Bs -> Ds(*) Ds(*)) using a data sample corresponding to 1.3 fb^{-1} of integrated luminosity collected by the D0 experiment in 2002-2006 during...

Search for the pair production of scalar top quarks in the acoplanar charm jet final state in p $\bar p$ collisions at $\sqrt s$ = 1.96 TeV (2007)

Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...

A search for the pair production of scalar top quarks, or stops, has been performed in 360 pb-1 of data from p pbar collisions at a center-of-mass energy of 1.96 TeV, collected by the D0 detector at...