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Showing 1 to 12 of 122 entries
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Cosmic-ray positron energy spectrum measured by PAMELA.

Physical review letters

Adriani O, Barbarino GC, Bazilevskaya GA, Bellotti R, Bianco A, Boezio M, Bogomolov EA, Bongi M, Bonvicini V, Bottai S, Bruno A, Cafagna F, Campana D, Carbone R, Carlson P, Casolino M, Castellini G, De Donato C, De Santis C, De Simone N, Di Felice V, Formato V, Galper AM, Karelin AV, Koldashov SV, Koldobskiy SA, Krutkov SY, Kvashnin AN, Leonov A, Malakhov V, Marcelli L, Martucci M, Mayorov AG, Menn W, Mergé M, Mikhailov VV, Mocchiutti E, Monaco A, Mori N, Munini R, Osteria G, Palma F, Papini P, Pearce M, Picozza P, Pizzolotto C, Ricci M, Ricciarini SB, Rossetto L, Sarkar R, Scotti V, Simon M, Sparvoli R, Spillantini P, Stochaj SJ, Stockton JC, Stozhkov YI, Vacchi A, Vannuccini E, Vasilyev GI, Voronov SA, Yurkin YT, Zampa G, Zampa N, Zverev VG.
PMID: 24010424
Phys Rev Lett. 2013 Aug 23;111(8):081102. doi: 10.1103/PhysRevLett.111.081102. Epub 2013 Aug 19.

Precision measurements of the positron component in the cosmic radiation provide important information about the propagation of cosmic rays and the nature of particle sources in our Galaxy. The satellite-borne experiment PAMELA has been used to make a new...

Phase transitions and thermal-stress-induced structural changes in a ferroelectric Pb(Zr0.80Ti0.20)O3 single crystal.

Journal of physics. Condensed matter : an Institute of Physics journal

Frantti J, Fujioka Y, Puretzky A, Xie Y, Ye ZG, Parish C, Glazer AM.
PMID: 25531118
J Phys Condens Matter. 2015 Jan 21;27(2):025901. doi: 10.1088/0953-8984/27/2/025901. Epub 2014 Dec 22.

A single crystal of lead-zirconate-titanate, composition Pb(Zr0.80Ti0.20)O3, was studied by polarized-Raman scattering as a function of temperature. Raman spectra reveal that the local structure deviates from the average structure in both ferroelectric and paraelectric phases. We show that the...

Formation of new stellar populations from gas accreted by massive young star clusters.

Nature

Li C, de Grijs R, Deng L, Geller AM, Xin Y, Hu Y, Faucher-Giguère CA.
PMID: 26819043
Nature. 2016 Jan 28;529(7587):502-4. doi: 10.1038/nature16493.

Stars in clusters are thought to form in a single burst from a common progenitor cloud of molecular gas. However, massive, old 'globular' clusters--those with ages greater than ten billion years and masses several hundred thousand times that of...

Time Dependence of the Electron and Positron Components of the Cosmic Radiation Measured by the PAMELA Experiment between July 2006 and December 2015.

Physical review letters

Adriani O, Barbarino GC, Bazilevskaya GA, Bellotti R, Boezio M, Bogomolov EA, Bongi M, Bonvicini V, Bottai S, Bruno A, Cafagna F, Campana D, Carlson P, Casolino M, Castellini G, De Santis C, Di Felice V, Galper AM, Karelin AV, Koldashov SV, Koldobskiy SA, Krutkov SY, Kvashnin AN, Leonov A, Malakhov V, Marcelli L, Martucci M, Mayorov AG, Menn W, Mergé M, Mikhailov VV, Mocchiutti E, Monaco A, Mori N, Munini R, Osteria G, Panico B, Papini P, Pearce M, Picozza P, Ricci M, Ricciarini SB, Simon M, Sparvoli R, Spillantini P, Stozhkov YI, Vacchi A, Vannuccini E, Vasilyev GI, Voronov SA, Yurkin YT, Zampa G, Zampa N, Potgieter MS, Vos EE.
PMID: 27367381
Phys Rev Lett. 2016 Jun 17;116(24):241105. doi: 10.1103/PhysRevLett.116.241105. Epub 2016 Jun 17.

Cosmic-ray electrons and positrons are a unique probe of the propagation of cosmic rays as well as of the nature and distribution of particle sources in our Galaxy. Recent measurements of these particles are challenging our basic understanding of...

Images of absolute retardance L.Deltan, using the rotating polariser method.

Journal of microscopy

Geday MA, Kaminsky W, Lewis JG, Glazer AM.
PMID: 10781203
J Microsc. 2000 Apr;198:1-9. doi: 10.1046/j.1365-2818.2000.00687.x.

Modulation techniques for measuring changes in optical birefringence, such as the rotating-polariser method (Wood & Glazer, 1980, J. Appl. Crystallogr. 13, 217), allow one to determine |sin delta|, delta = 2piLDeltan/lambda, Deltan = double refraction, L = light path...

Two approaches to treating unilateral neglect after right hemisphere stroke: a preliminary investigation.

Topics in stroke rehabilitation

Cherney LR, Halper AS, Papachronis D.
PMID: 14523697
Top Stroke Rehabil. 2003;9(4):22-33. doi: 10.1310/BWY3-7GQL-596Y-V17J.

PURPOSE: This preliminary study assessed the efficacy of two treatment methods for persistent unilateral or hemispatial neglect following right hemisphere stroke.METHOD: Two patients received an intervention focusing on the underlying impairment of attention during visual scanning. Two other participants...

An intrinsic reaction coordinate calculation of the torsion-internal rotation potential of hydrogen peroxide and its isotopomers.

The Journal of chemical physics

Halpern AM, Glendening ED.
PMID: 15260545
J Chem Phys. 2004 Jul 01;121(1):273-9. doi: 10.1063/1.1756858.

Intrinsic reaction coordinate (IRC) calculations of the internal rotation (torsional) potentials for H(2)O(2) and its isotopomers HDO(2) and D(2)O(2) were carried out at the CCSD(T)/CBS//aug-cc-pVDZ level. Two extrapolation methods were used to obtain energies in the complete basis set...

Ab initio study of cyclobutane: molecular structure, ring-puckering potential, and origin of the inversion barrier.

The journal of physical chemistry. A

Glendening ED, Halpern AM.
PMID: 16833390
J Phys Chem A. 2005 Feb 03;109(4):635-42. doi: 10.1021/jp0405097.

The structure and ring-puckering properties of cyclobutane and its perdeuterated isotopomer are studied using high-level ab initio methods and complete basis set extrapolations. Calculations reveal significant coupling between the ring-puckering (theta) and CH(2)-rocking (alpha) motions, with equilibrium angles (theta(eq)...

Physical mineralogy: structural and magnetic phase transitions in minerals.

Science (New York, N.Y.)

Glazer AM.
PMID: 17807614
Science. 1989 Apr 28;244(4903):478-9. doi: 10.1126/science.244.4903.478-a.

No abstract available.

Health outcomes and costs of community mitigation strategies for an influenza pandemic in the United States.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Perlroth DJ, Glass RJ, Davey VJ, Cannon D, Garber AM, Owens DK.
PMID: 20021259
Clin Infect Dis. 2010 Jan 15;50(2):165-74. doi: 10.1086/649867.

BACKGROUND: The optimal community-level approach to control pandemic influenza is unknown.METHODS: We estimated the health outcomes and costs of combinations of 4 social distancing strategies and 2 antiviral medication strategies to mitigate an influenza pandemic for a demographically typical...

A binary star fraction of 76 per cent and unusual orbit parameters for the blue stragglers of NGC 188.

Nature

Mathieu RD, Geller AM.
PMID: 20033042
Nature. 2009 Dec 24;462(7276):1032-5. doi: 10.1038/nature08568.

Blue straggler stars lie on or near the main sequences of star clusters (all members of which formed around the same time), but typically are more luminous than the turn-off stars and therefore long ago should have evolved off...

Homology of assessment of visual function in human and animal models.

Environmental toxicology and pharmacology

Geller AM.
PMID: 21783516
Environ Toxicol Pharmacol. 2005 May;19(3):485-90. doi: 10.1016/j.etap.2004.12.011.

To connect animal models with human neurobehavioral evaluations, it is necessary to understand the level of homology present between tests administered across species. This paper identifies four different levels of homology of assessment based on identity of measurement, function,...

Showing 1 to 12 of 122 entries