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1,843 results on '"G Norman"'

101. Report on the birds collected in northeastern Siberia by the Jesup North Pacific Expedition, with field notes by the collectors. Bulletin of the AMNH ; v. 21, article 13.

Author

Allen, J. A. (Joel Asaph), 1838-1921, Buxton, N. G. (Norman G.), Jesup North Pacific Expedition (1897-1903), Sokolnikoff, Nicoli Polowitch, American Museum of Natural History Library, Allen, J. A. (Joel Asaph), 1838-1921, Buxton, N. G. (Norman G.), Jesup North Pacific Expedition (1897-1903), and Sokolnikoff, Nicoli Polowitch

Subjects
Birds, Russia (Federation), Siberia, Siberia, Eastern, Siberia, Northeastern

102. Surface conversion of single-crystal Bi2Se3 to β-In2Se3

Author

Pat Dippo, Eric S. Toberer, Jeffrey L. Blackburn, Hanyu Zhang, William E. McMahon, Andrew G. Norman, Adele C. Tamboli, and Celeste L. Melamed

Subjects
Auger electron spectroscopy, Materials science, Analytical chemistry, Crystal structure, Condensed Matter Physics, Inorganic Chemistry, Crystal, symbols.namesake, Lattice constant, Electron diffraction, Materials Chemistry, symbols, Metalorganic vapour phase epitaxy, Raman spectroscopy, Single crystal
Abstract

In this work, we demonstrate that the surface layers of single-crystal layered-2D Bi2Se3 can be converted to layered-2D rhombohedral β-In2Se3 by annealing under a trimethylindium (TMIn) flux. Samples were prepared in a metalorganic chemical vapor deposition (MOCVD) chamber, then transferred under vacuum to a surface analysis chamber for analysis with low-energy electron diffraction (LEED) and Auger electron spectroscopy. Additional ex situ characterization included x-ray diffraction, transmission-electron microscopy (TEM), energy dispersive x-ray spectroscopy (EDS) elemental mapping, and Raman spectroscopy. The resulting single-crystal β-In2Se3 adopts the rhombohedral crystal structure (space group R-3m) and orientation of the underlying Bi2Se3, and the excess Bi atoms generated by this process create an underlying region of Bi-rich BixSey. Due to the difference in bandgap between Bi2Se3 and In2Se3, this conversion reaction presents a pathway to lateral heterojunctions if only selected regions are converted by masking the surface to spatially define the TMIn exposure. The conversion may also have implications for heteroepitaxy, because the in-plane lattice constants of Bi2Se3 and In2Se3 (0001) surfaces match those of InP and GaAs (1 1 1), respectively, and the natural cleavage planes of a layered-2D crystal facilitate substrate removal and reuse.

Published
2021
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105. Micro-CT for the examination of paediatric rib injuries: A case series

Author

Waltraud Baier, Danielle G. Norman, and Mark A. Williams

Subjects
Child abuse, medicine.medical_specialty, medicine.diagnostic_test, RJ, business.industry, Gold standard, Computed tomography, Pathology and Forensic Medicine, Medical evidence, medicine, Microscopic imaging, Radiology, Micro ct, business, Law
Abstract

Cases of child abuse and homicide are amongst the biggest challenges investigators face, with complex evidence bases often strongly contested and reliant on specialist interpretation of the medical evidence. In many cases, this medical evidence includes examination of the deceased’s skeleton using different macroscopic and microscopic imaging methods. Rib fractures are a common concern when examining suspicious cases and much research has been conducted on their causes. The role of CPR in particular has been controversial and therefore a clear assessment of the fracture distribution is crucial. Recent studies have shown the benefit of imaging techniques such as Computed Tomography, although the gold standard remains histology. This paper presents three cases of suspected non-accidental rib fractures of infants which had been examined using micro-CT and histology. Micro-CT has been shown to be superior to medical CT as it achieves a greater resolution, making it effective for paediatric post-mortem imaging. Micro-CT observations were compared retrospectively to the histology, which demonstrated that micro-CT found 69% of the fractures identified histologically as well as an additional 22% not identified through histology. As well as complimenting histological analysis, the extent to which micro-CT can enhance the overall examination of paediatric non-accidental injuries is also discussed.\ud \ud

Published
2021
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106. Performance and reliability of β-Ga2O3 Schottky barrier diodes at high temperature

Author

Andrew G. Norman, David S. Ginley, Philip A. Parilla, Karen N. Heinselman, Patrick Walker, and Andriy Zakutayev

Subjects
Materials science, Equivalent series resistance, business.industry, Band gap, Schottky barrier, Doping, Schottky diode, Surfaces and Interfaces, Condensed Matter Physics, Surfaces, Coatings and Films, Semiconductor, Optoelectronics, business, Ohmic contact, Diode
Abstract

Beta-gallium oxide (β-Ga2O3) is an ultrawide bandgap semiconductor that has potential for power electronic applications and devices operating at high temperatures. Particularly important for these applications are its 4.9 eV bandgap, facile electron doping, and the ability to grow β-Ga2O3 crystals from the melt. In this work, vertical β-Ga2O3 Schottky barrier diodes were fabricated using Pt Schottky and Ti-based Ohmic contacts and Au contact pads on unintentionally doped n-type, ( 2 ¯ 01)-oriented single crystal substrates. The diode’s temperature-dependent electrical properties up to 400 °C were investigated, and the Pt/Ga2O3 Schottky barrier height was determined to be close to 1.2 eV. The degradation of the contacts over multiple cycles up to 400 °C was observed, resulting in a significant increase in series resistance of the diodes by 1000× at ambient temperature after they were cycled. According to electron microscopy measurements, this degradation is likely due in part to the migration and oxidation of Ti at the top surface of the Au contact pads. This degradation highlights the need for further research and development to ensure stable Ohmic and Schottky contacts to Ga2O3 at temperatures above 400 °C.

Published
2021
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107. Low-temperature surface preparation and epitaxial growth of ZnS and Cu2ZnSnS4 on ZnS(1 1 0) and GaP(1 0 0)

Author

Glenn Teeter, Helio Moutinho, Steven P. Harvey, Samual Wilson, and Andrew G. Norman

Subjects
010302 applied physics, Aqueous solution, Materials science, business.industry, 02 engineering and technology, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Epitaxy, 01 natural sciences, Inorganic Chemistry, Crystal, Crystallography, chemistry.chemical_compound, chemistry, Transmission electron microscopy, 0103 physical sciences, Materials Chemistry, Optoelectronics, CZTS, 0210 nano-technology, business, Deposition (law), Molecular beam epitaxy, Electron backscatter diffraction
Abstract

We give a summary of the low-temperature preparation methods of ZnS(1 1 0) and GaP(1 0 0) crystals for epitaxial growth of ZnS and Cu 2 ZnSnS 4 (CZTS) via molecular beam epitaxy. Substrates were prepared for epitaxial growth by means of room-temperature aqueous surface treatments and subsequent ultra-high vacuum transfer to the deposition system. Epitaxial growth of ZnS was successful at 500 K on both ZnS(1 1 0) and GaP(1 0 0) as only single domains were observed with electron backscatter diffraction; furthermore, transmission electron microscopy measurements confirmed an epitaxial interface. Epitaxial growth of CZTS was successful on ZnS at 700 K. However, epitaxial growth was not possible on GaP at 700 K due to Ga x S y formation, which significantly degraded the quality of the GaP crystal surface. Although CZTS was grown epitaxially on ZnS, growth of multiple crystallographic domains remains a problem that could inherently limit the viability of epitaxial CZTS for model system studies.

Published
2017
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108. Large Area Atomically Flat Surfaces via Exfoliation of Bulk Bi2Se3 Single Crystals

Author

Elisa M. Miller, William E. McMahon, Vladan Stevanović, Aaron D. Martinez, Celeste L. Melamed, Eric S. Toberer, Brenden R. Ortiz, Prashun Gorai, Andrew G. Norman, and Adele C. Tamboli

Subjects
Diffraction, Auger electron spectroscopy, Materials science, General Chemical Engineering, 02 engineering and technology, General Chemistry, Surface finish, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, Molecular physics, Exfoliation joint, 0104 chemical sciences, Crystal, Crystallography, Reciprocal lattice, Electron diffraction, X-ray photoelectron spectroscopy, Materials Chemistry, 0210 nano-technology
Abstract

In this work, we present an exfoliation method that produces cm2-area atomically flat surfaces from bulk layered single crystals, with broad applications such as for the formation of lateral heterostructures and for use as substrates for van der Waals epitaxy. Single crystals of Bi2Se3 were grown using the Bridgman method and examined with X-ray reciprocal space maps, Auger spectroscopy, low-energy electron diffraction, and X-ray photoelectron spectroscopy. An indium-bonding exfoliation technique was developed that produces multiple ∼100 μm thick atomically flat, macroscopic (>1 cm2) slabs from each Bi2Se3 source crystal. Two-dimensional X-ray diffraction and reciprocal space maps confirm the high crystalline quality of the exfoliated surfaces. Atomic force microscopy reveals that the exfoliated surfaces have an average root-mean-square (RMS) roughness of ∼0.04 nm across 400 μm2 scans and an average terrace width of 70 μm between step edges. First-principles calculations reveal exfoliation energies of Bi2...

Published
2017
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109. InAlAs photovoltaic cell design for high device efficiency

Author

George T. Nelson, Michael A. Slocum, Staffan Hellstroem, Andrew G. Norman, David V. Forbes, Brittany L. Smith, Seth M. Hubbard, and Zachary S. Bittner

Subjects
Materials science, 02 engineering and technology, engineering.material, 01 natural sciences, law.invention, Coating, law, 0103 physical sciences, Solar cell, Metalorganic vapour phase epitaxy, Electrical and Electronic Engineering, Diffusion (business), Absorption (electromagnetic radiation), Common emitter, 010302 applied physics, Renewable Energy, Sustainability and the Environment, business.industry, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Electronic, Optical and Magnetic Materials, engineering, Optoelectronics, Quantum efficiency, 0210 nano-technology, business, Layer (electronics)
Abstract

This study presents a new design for a single-junction InAlAs solar cell, which reduces parasitic absorption losses from the low band-gap contact layer while maintaining a functional window layer by integrating a selective etch stop. The etch stop is then removed prior to depositing an anti-reflective coating. The final cell had a 17.9% efficiency under 1-sun AM1.5 with an anti-reflective coating. Minority carrier diffusion lengths were extracted from external quantum efficiency data using physics-based device simulation software yielding 170 nm in the n-type emitter and 4.6 μm in the p-type base, which is more than four times the diffusion length previously reported for a p-type InAlAs base. This report represents significant progress towards a high-performance InAlAs top cell for a triple-junction design lattice-matched to InP. Copyright © 2017 John Wiley & Sons, Ltd.

Published
2017
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110. Nanoscale insight into the p‐n junction of alkali‐incorporated Cu(In,Ga)Se 2 solar cells

Author

Mowafak Al-Jassim, Brian P. Gorman, David R. Diercks, Andrew G. Norman, and Adam A. Stokes

Subjects
010302 applied physics, Renewable Energy, Sustainability and the Environment, Chemistry, Band gap, Diffusion, Analytical chemistry, Nanotechnology, 02 engineering and technology, Atom probe, Substrate (electronics), 021001 nanoscience & nanotechnology, Condensed Matter Physics, Alkali metal, 01 natural sciences, Electronic, Optical and Magnetic Materials, law.invention, law, Vacancy defect, 0103 physical sciences, Electrical and Electronic Engineering, 0210 nano-technology, p–n junction, Deposition (law)
Abstract

The effects of alkali diffusion and post-deposition treatment in three-stage processed Cu(In,Ga)Se2 solar cells are examined by using atom probe tomography and electrical property measurements. Cells, for which the substrate was treated at 650°C to induce alkali diffusion from the substrate prior to absorber deposition, exhibited high open-circuit voltage (758 mV) and efficiency (18.2%) and also exhibited a 50 to 100-nm-thick ordered vacancy compound layer at the metallurgical junction. Surprisingly, these high-temperature samples exhibited higher concentrations of K at the junction (1.8 at.%) than post-deposition treatment samples (0.4 at.%). A model that uses Ga/(Ga + In) and Cu/(Ga + In) profiles to predict bandgaps (±17.9 meV) of 22 Cu(In,Ga)Se2 solar cells reported in literature was discussed and ultimately used to predict band properties at the nanoscale by using atom probe tomography data. The high-temperature samples exhibited a greater drop in the valence band maximum (200 meV) due to a lower Cu/(Ga + In) ratio than the post-deposition treatment samples. There was an anticorrelation of K concentrations and Cu/(Ga + In) ratios for all samples, regardless of processing conditions. Changes in elemental profiles at the active junctions correlate well with the electrical behaviour of these devices. Copyright © 2017 John Wiley & Sons, Ltd.

Published
2017
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111. Growth of lattice-matched GaInAsP grown on vicinal GaAs(001) substrates within the miscibility gap for solar cells

Author

Ryuji Oshima, Ryan M. France, John F. Geisz, Andrew G. Norman, and Myles A. Steiner

Subjects
010302 applied physics, Surface diffusion, Materials science, Spinodal decomposition, Analytical chemistry, Nanotechnology, 02 engineering and technology, Surface finish, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Epitaxy, 01 natural sciences, law.invention, Inorganic Chemistry, Transmission electron microscopy, law, 0103 physical sciences, Solar cell, Materials Chemistry, 0210 nano-technology, Current density, Vicinal
Abstract

The growth of quaternary Ga 0.68 In 0.32 As 0.35 P 0.65 by metal-organic vapor phase epitaxy is very sensitive to growth conditions because the composition is within a miscibility gap. In this investigation, we fabricated 1 µm-thick lattice-matched GaInAsP films grown on GaAs(001) for application to solar cells. The growth temperature and substrate miscut are varied in order to characterize the effect of the surface diffusion of adatoms on the material quality of alloys. Transmission electron microscopy and two-dimensional in-situ multi-beam optical stress determine that growth temperatures of 650 °C and below enhance the formation of the CuPt B atomic ordering and suppress material decomposition, which is found to occur at the growth surface. The root-mean-square (RMS) roughness is reduced from 33.6 nm for 750 °C to 1.62 nm for 650 °C, determined by atomic force microscopy. Initial investigations show that the RMS roughness can be further reduced using increased miscut angle, and substrates miscut toward (111)A, leading to an RMS roughness of 0.56 nm for the sample grown at 600 °C on GaAs miscut 6° toward (111)A. Using these conditions, we fabricate an inverted hetero-junction 1.62 eV Ga 0.68 In 0.32 As 0.35 P 0.65 solar cell without an anti-reflection coating with a short-circuit current density, open-circuit voltage, fill factor, and efficiency of 12.23 mA/cm 2 , 1.12 V, 86.18%, and 11.80%, respectively.

Published
2017
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112. From Modules to Atoms: Techniques and Characterization for Identifying and Understanding Device-Level Photovoltaic Degradation Mechanisms

Author

Chuanxiao Xiao, Mowafak Al-Jassim, Peter Hacke, Andrew G. Norman, John Moseley, Stephen B. Harvey, Dana Sulas, Steven W. Johnston, David S. Albin, Chun-Sheng Jiang, Marco Nardone, Harvey Guthrey, Helio R. Moutinho, and Jun Liu

Subjects
Materials science, Photovoltaic system, Degradation (geology), Nanotechnology, Characterization (materials science)
Published
2019
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113. Carrier-Transport Study of Gallium Arsenide Hillock Defects

Author

Jun Liu, Kevin L. Schulte, Andrew G. Norman, John Moseley, Chuanxiao Xiao, Nancy M. Haegel, Aaron J. Ptak, Mowafak Al-Jassim, Brian P. Gorman, Chun-Sheng Jiang, and Helio Moutinho

Subjects
010302 applied physics, Diffraction, Materials science, business.industry, Cathodoluminescence, 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, Gallium arsenide, law.invention, chemistry.chemical_compound, chemistry, Transmission electron microscopy, law, 0103 physical sciences, Solar cell, Optoelectronics, Thin film, 0210 nano-technology, business, Luminescence, Instrumentation, Hillock
Abstract

Single-crystalline gallium arsenide (GaAs) grown by various techniques can exhibit hillock defects on the surface when sub-optimal growth conditions are employed. The defects act as nonradiative recombination centers and limit solar cell performance. In this paper, we applied near-field transport imaging to study hillock defects in a GaAs thin film. On the same defects, we also performed near-field cathodoluminescence, standard cathodoluminescence, electron-backscattered diffraction, transmission electron microscopy, and energy-dispersive X-ray spectrometry. We found that the luminescence intensity around the hillock area is two orders of magnitude lower than on the area without hillock defects in the millimeter region, and the excess carrier diffusion length is degraded by at least a factor of five with significant local variation. The optical and transport properties are affected over a significantly larger region than the observed topography and crystallographic and chemical compositions associated with the defect.

Published
2019

114. Sub-micromolar pulse dipolar EPR spectroscopy reveals increasing CuII-labelling of double-histidine motifs with lower temperature

Author

Joshua L. Wort, Katrin Ackermann, Angeliki Giannoulis, Alan J. Stewart, David G. Norman, Bela E. Bode, BBSRC, The Wellcome Trust, University of St Andrews. School of Chemistry, University of St Andrews. School of Medicine, University of St Andrews. Institute of Behavioural and Neural Sciences, University of St Andrews. Biomedical Sciences Research Complex, University of St Andrews. Cellular Medicine Division, University of St Andrews. Centre of Magnetic Resonance, University of St Andrews. EaSTCHEM, and University of St Andrews. Sir James Mackenzie Institute for Early Diagnosis

Subjects
Double-histidine motif, Chemistry(all), 010405 organic chemistry, Non-covalent interactions, NDAS, DAS, General Medicine, Dissociation constant, 010402 general chemistry, QD Chemistry, 01 natural sciences, Catalysis, 0104 chemical sciences, RIDME, EPR-spectroscopy, Dissociation-constant, QD, BDC, R2C, EPR spectroscopy
Abstract

JLW is supported by the BBSRC DTP Eastbio. This work was supported by equipment funding through the Wellcome Trust (099149/Z/12/Z) and BBSRC (BB/R013780/1). We gratefully acknowledge ISSF support to the University of St Andrews from The Wellcome Trust. Electron paramagnetic resonance (EPR) distance measurements are making increasingly important contributions to the studies of biomolecules by providing highly accurate geometric constraints. Combining double‐histidine motifs with CuII spin labels can further increase the precision of distance measurements. It is also useful for proteins containing essential cysteines that can interfere with thiol‐specific labelling. However, the non‐covalent CuII coordination approach is vulnerable to low binding‐affinity. Herein, dissociation constants (KD) are investigated directly from the modulation depths of relaxation‐induced dipolar modulation enhancement (RIDME) EPR experiments. This reveals low‐ to sub‐μm CuII KDs under EPR distance measurement conditions at cryogenic temperatures. We show the feasibility of exploiting the double‐histidine motif for EPR applications even at sub‐μm protein concentrations in orthogonally labelled CuII–nitroxide systems using a commercial Q‐band EPR instrument. Publisher PDF

Published
2019

115. Nickel Metal and Alloys

Author

G. Norman Flint and C. Peter Cutler

Subjects
inorganic chemicals, Materials science, fungi, Metallurgy, technology, industry, and agriculture, chemistry.chemical_element, Chloride, Copper, Corrosion, Metal, Nickel, Chromium, chemistry, Molybdenum, visual_art, otorhinolaryngologic diseases, visual_art.visual_art_medium, medicine, Base metal, medicine.drug
Abstract

Nickel sheet and strip is used in the chemical industry, particularly for vessels and pipework to handle alkaline liquids. In all these operations, skin contact will be minimal because workers involved in either fabrication or operation are likely to be wearing gloves for normal safety reasons. One of the most striking examples of the way in which alloying can change the properties of a base metal is the addition of chromium to iron to form stainless steel. In addition to the essential chromium, stainless steels can also contain nickel, molybdenum, and other alloying elements to enhance their mechanical and corrosion-resistant properties. Copper and nickel, both face-centred cubic metals, are mutually soluble over the whole range of compositions of copper-nickel alloys. The addition of copper to nickel increases its nobility and generally improves its resistance to corrosion by acids and chloride solutions.

Published
2019
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125. Sub-Micromolar Pulse Dipolar EPR Spectroscopy Reveals Increasing Cu

Author

Joshua L, Wort, Katrin, Ackermann, Angeliki, Giannoulis, Alan J, Stewart, David G, Norman, and Bela E, Bode

Subjects
EPR Spectroscopy, non-covalent interactions, Communication, double-histidine motif, dissociation constant, Communications, RIDME
Abstract

Electron paramagnetic resonance (EPR) distance measurements are making increasingly important contributions to the studies of biomolecules by providing highly accurate geometric constraints. Combining double‐histidine motifs with CuII spin labels can further increase the precision of distance measurements. It is also useful for proteins containing essential cysteines that can interfere with thiol‐specific labelling. However, the non‐covalent CuII coordination approach is vulnerable to low binding‐affinity. Herein, dissociation constants (K D) are investigated directly from the modulation depths of relaxation‐induced dipolar modulation enhancement (RIDME) EPR experiments. This reveals low‐ to sub‐μm CuII K Ds under EPR distance measurement conditions at cryogenic temperatures. We show the feasibility of exploiting the double‐histidine motif for EPR applications even at sub‐μm protein concentrations in orthogonally labelled CuII–nitroxide systems using a commercial Q‐band EPR instrument.

Published
2019

126. Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial

Author

Philip M Bath, Polly Scutt, Craig S Anderson, Jason P Appleton, Evind Berge, Lesley Cala, Mark Dixon, Timothy M England, Peter J Godolphin, Diane Havard, Lee Haywood, Trish Hepburn, Kailash Krishnan, Grant Mair, Alan A Montgomery, Keith Muir, Stephen J Phillips, Stuart Pocock, John Potter, Chris Price, Marc Randall, Thompson G Robinson, Christine Roffe, Peter M Rothwell, Else C Sandset, Nerses Sanossian, Jeffrey L Saver, Angela Shone, A Niroshan Siriwardena, Joanna M Wardlaw, Lisa J Woodhouse, Graham Venables, Nikola Sprigg, Pierre Amarenco, Shannon Amoils, Malcolm Jarvis, Peter Sandercock, Kjell Asplund, Colin Baigent, Sandeep Ankolekar, Harriet Howard, Christopher Lysons, Gemma Walker, Hayley Gregory, James Kirby, Jennifer Smithson, Joanne Keeling, Nadia Frowd, Robert Gray, Richard Dooley, Wim Clarke, Patricia Robinson, Zhe Kang Law, Sheila Hodgson, Adam Millington, Eleni Sakka, David Buchanan, Jeb Palmer, D Shaw, H Cobb, R Johnson, T Payne, R Spaight, A Spaight, M A Sajid, A Whileman, E Hall, H Cripps, J Toms, R Gascoyne, S Wright, M Cooper, A Palfreman, A Rajapakse, I Wynter, K Musarrat, A Mistri, C Patel, C Stephens, S Khan, S Patras, M Soliman, A Elmarimi, C Hewitt, E Watson, I Wahishi, J Hindle, L Perkin, M Wills, S Arif, S Leach, S Butler, D O'Kane, C Smith, J O'Callaghan, W Sunman, A Buck, B Jackson, C Richardson, G Wilkes, J Clarke, L Ryan, O Matias, D Mangion, A Hardwick, C Constantin, I Thomas, K Netherton, S Markova, A Hedstrom, B Rushton, C Hyde, J Scott, M Blair, M Maddula, R Donnelly, S Keane, S Johnson, H McKenzie, A Banerjee, D Hutchinson, H Goodhand, J Hill, K Mellows, M Cheeseman, V McTaggart, T Foster, L Prothero, P Saksena, A O'Kelly, H Wyllie, C Hacon, H Nutt, J North, K Goffin, J Potter, A Wiltshire, G Ravenhill, K Metcalf, L Ford, M Langley, W Davison, S Subramonian, F Magezi, I Obi, N Temple, N Butterworth-Cowin, P Oqwusu-Agyei, A F M Azim, A Nicolson, J Imam, J White, L Wood, R Fothergill, N Thompson, J Lazarus, H Werts, L Sztriha, C Ho, E McKenzie, E Owoyele, J Lim, J Aeron-Thomas, M Dockey, N Sylvester, P Rao, B M Bloom, E Erumere, G Norman, I Skene, L Cuenoud, L Howaniec, O Boulton, P Daboo, R Michael, S Al-Saadi, T Harrison, H Syed, L Argandona, S Amiani, R Perry, A Ashton, A Banaras, C Hogan, C Watchurst, E Elliott, N Francia, N Oji, R Erande, S Obarey, S Feerick, S Tshuma, E England, H Pocock, K Poole, S Manchanda, I Burn, S Dayal, K McNee, M Robinson, R Hancock, A South, C Holmes, A Steele, L B Guthrie, M Oborn, A Mohd Nor, B Hyams, C Eglinton, D Waugh, E Cann, N Wilmhurst, S Piesley, S Shave, D Dutta, M Obeid, D Ward, J Turfrey, J Glass, K Bowstead, L Hill, P Brown, S Beames, S O'Connell, V Hughes, R Whiting, J Gagg, M Hussain, M Harvey, D Karunatilake, B Pusuluri, A Witcher, C Pawley, J Allen, J Foot, J Rowe, C Lane, S Ragab, B Wadams, J Dube, B Jupp, A Ljubez, C Bagnall, G Hann, L Tucker, M Kelton, S Orr, F Harrington, A James, A Lydon, G Courtauld, K Bond, L Lucas, T Nisbett, J Kubie, A Bowring, G Jennings, K Thorpe, N Mason, S Keenan, L Gbadomishi, D Howcroft, H Newton, J Choulerton, J Avis, L Shaw, P Paterson, P Kaye, S Hierons, S Lucas, P Clatworthy, B Faulkner, L Rannigan, R Worner, B Bhaskaran, A Saulat, H Bearne, J Garfield-Smith, K Horan, P Fitzell, S Szabo, M Haley, D Simmons, D Cotterill, G Saunders, H Dymond, S Beech, K Rashed, A Tanate, C Buckley, D Wood, L Matthews, S Board, T Pitt-Kirby, N Rees, C Convery, P Jones, C Bryant, H Tench, M Dixon, R Loosley, S Coetzee, S Jones, T Sims, M Krishnan, C Davies, L Quinn, L Connor, M Wani, S Storton, S Treadwell, T Anjum, C Somashekar, A Chandler, C Triscott, L Bevan, M Sander, S Buckle, W Sayed, K Andrews, L Hughes, R Hughes, M Ward, A Pretty, A Rosser, B Davidson, G Price, I Gunson, J Lumley-Holmes, J Miller, M Larden, M Jhamat, P Horwood, R Boldy, C Jenkins, F Price, M Harrison, T Martin, N Ahmad, A Willberry, A Stevens, K Fotherby, A Barry, A Remegoso, F Alipio, H Maquire, J Hiden, K Finney, R Varquez, S Ispoglou, A Hayes, D Gull, R Evans, E Epstein, S Hurdowar, J Crossley, J Miles, K Hird, R Pilbery, C Patterson, H Ramadan, K Stewart, O Quinn, R Bellfield, S Macquire, W Gaba, A Nair, A Wilson, C Hawksworth, I Alam, J Greig, P Gomes, P Rana, Z Ahmed, P Anderston, A Neal, D Walstow, R Fong, S Brotheridge, A Bwalya, A Gillespie, C Midgley, C Hare, H Lyon, L Stephenson, M Broome, R Worton, S Jackson, R Rayessa, A Abdul-Hamid, C Naylor, E Clarkson, A Hassan, E Veraque, L Finch, L Makawa, M Carpenter, P Datta, A Needle, L Jackson, H J Brooke, J Ball, T Lowry, S Punnoose, R Walker, V Murray, A Ali, C Kamara, C Doyle, E Richards, J Howe, K Dakin, K Harkness, R Lindert, P Wanklyn, P Willcoxson, P Clark-Brown, and R Mir

Subjects
Male, Emergency Medical Services, A300 Clinical Medicine, Vasodilator Agents, Ambulances, 030204 cardiovascular system & hematology, Administration, Cutaneous, Article, law.invention, Nitroglycerin, 03 medical and health sciences, 0302 clinical medicine, Randomized controlled trial, Modified Rankin Scale, law, Humans, Medicine, Single-Blind Method, Prospective Studies, 030212 general & internal medicine, Prospective cohort study, Stroke, Aged, B740 Adult Nursing, Intention-to-treat analysis, business.industry, General Medicine, Middle Aged, medicine.disease, Clinical trial, Treatment Outcome, Blood pressure, Anesthesia, Hypertension, Cohort, B780 Paramedical Nursing, Female, business
Abstract

Background: High blood pressure is common in acute stroke and is a predictor of poor outcome; however, large trials of lowering blood pressure have given variable results, and the management of high blood pressure in ultra-acute stroke remains unclear. We investigated whether transdermal glyceryl trinitrate (GTN; also known as nitroglycerin), a nitric oxide donor, might improve outcome when administered very early after stroke onset.Methods: We did a multicentre, paramedic-delivered, ambulance-based, prospective, randomised, sham-controlled, blinded-endpoint, phase 3 trial in adults with presumed stroke within 4 h of onset, face-arm-speech-time score of 2 or 3, and systolic blood pressure 120 mm Hg or higher. Participants were randomly assigned (1:1) to receive transdermal GTN (5 mg once daily for 4 days; the GTN group) or a similar sham dressing (the sham group) in UK-based ambulances by paramedics, with treatment continued in hospital. Paramedics were unmasked to treatment, whereas participants were masked. The primary outcome was the 7-level modified Rankin Scale (mRS; a measure of functional outcome) at 90 days, assessed by central telephone follow-up with masking to treatment. Analysis was hierarchical, first in participants with a confirmed stroke or transient ischaemic attack (cohort 1), and then in all participants who were randomly assigned (intention to treat, cohort 2) according to the statistical analysis plan. This trial is registered with ISRCTN, number ISRCTN26986053.Findings: Between Oct 22, 2015, and May 23, 2018, 516 paramedics from eight UK ambulance services recruited 1149 participants (n=568 in the GTN group, n=581 in the sham group). The median time to randomisation was 71 min (IQR 45–116). 597 (52%) patients had ischaemic stroke, 145 (13%) had intracerebral haemorrhage, 109 (9%) had transient ischaemic attack, and 297 (26%) had a non-stroke mimic at the final diagnosis of the index event. In the GTN group, participants' systolic blood pressure was lowered by 5·8 mm Hg compared with the sham group (pvs 3 [2–5]; n=558, in the sham group; 1·04 [0·84–1·29]; p=0·69). We found no difference in secondary outcomes, death (treatment-related deaths: 36 in the GTN group vs 23 in the sham group [p=0·091]), or serious adverse events (188 in the GTN group vs 170 in the sham group [p=0·16]) between treatment groups.Interpretation: Prehospital treatment with transdermal GTN does not seem to improve functional outcome in patients with presumed stroke. It is feasible for UK paramedics to obtain consent and treat patients with stroke in the ultra-acute prehospital setting.Funding: British Heart Foundation.

Published
2019
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127. The hazards of perception: evaluating a change blindness demonstration within a real-world driver education course

Author

Melina A. Kunar, Danielle G. Norman, Daniel O. A. Gunnell, and Derrick G. Watson

Subjects
TL, Experimental psychology, Overconfidence, Cognitive Neuroscience, media_common.quotation_subject, Driving behavior, Applied psychology, Control (management), BF, lcsh:Consciousness. Cognition, Experimental and Cognitive Psychology, Qualitative property, Change blindness, 050105 experimental psychology, Course (navigation), Education, 03 medical and health sciences, 0302 clinical medicine, Intervention (counseling), Perception, 0501 psychology and cognitive sciences, skin and connective tissue diseases, media_common, 05 social sciences, lcsh:BF309-499, Behavioral change, Original Article, sense organs, Psychology, 030217 neurology & neurosurgery, Overconfidence effect
Abstract

Overconfidence in one’s driving ability can lead to risky decision-making and may therefore increase the accident risk. When educating people about the risks of their driving behavior, it is all too easy for individuals to assume that the message is not meant for them and so can be ignored. In this study we developed and assessed the effect of a road safety demonstration based around the phenomenon of change blindness within a real-world Driver Awareness Course. We collected quantitative and qualitative data to evaluate the effectiveness of the demonstration in both a police-led environment (Experiment 1) and a laboratory environment (Experiment 2). We also compared the change blindness intervention to two control tasks. The results showed that participants’ self-reported ability to spot important visual changes was reduced after the change blindness demonstration in both experiments, but was not reduced after participation in the control tasks of Experiment 2. Furthermore, participants described the change blindness demonstrations positively and would recommend that they were shown more widely. Electronic supplementary material The online version of this article (10.1186/s41235-019-0165-4) contains supplementary material, which is available to authorized users.

Published
2019

128. Measurement of prompt D0, D+, D*+, and DS+ production in p–Pb collisions at √sNN = 5.02 TeV

Author

Acharya, S. Adamová, D. Adhya, S.P. Adler, A. Adolfsson, J. Aggarwal, M.M. Aglieri Rinella, G. Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S.U. Akindinov, A. Al-Turany, M. Alam, S.N. Albuquerque, D.S.D. Aleksandrov, D. Alessandro, B. Alfanda, H.M. Alfaro Molina, R. Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. Altsybeev, I. Anaam, M.N. Andrei, C. Andreou, D. Andrews, H.A. Andronic, A. Angeletti, M. Anguelov, V. Anson, C. Antičić, T. Antinori, F. Antonioli, P. Anwar, R. Apadula, N. Aphecetche, L. Appelshäuser, H. Arcelli, S. Arnaldi, R. Arratia, M. Arsene, I.C. Arslandok, M. Augustinus, A. Averbeck, R. Aziz, S. Azmi, M.D. Badalà, A. Baek, Y.W. Bagnasco, S. Bai, X. Bailhache, R. Bala, R. Baldisseri, A. Ball, M. Balouza, S. Baral, R.C. Barbera, R. Barioglio, L. Barnaföldi, G.G. Barnby, L.S. Barret, V. Bartalini, P. Barth, K. Bartsch, E. Baruffaldi, F. Bastid, N. Basu, S. Batigne, G. Batyunya, B. Batzing, P.C. Bauri, D. Bazo Alba, J.L. Bearden, I.G. Bedda, C. Behera, N.K. Belikov, I. Bellini, F. Bellwied, R. Belyaev, V. Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, D. Bertens, R.A. Berzano, D. Besoiu, M.G. Betev, L. Bhasin, A. Bhat, I.R. Bhat, M.A. Bhatt, H. Bhattacharjee, B. Bianchi, A. Bianchi, L. Bianchi, N. Bielčík, J. Bielčíková, J. Bilandzic, A. Biro, G. Biswas, R. Biswas, S. Blair, J.T. Blau, D. Blume, C. Boca, G. Bock, F. Bogdanov, A. Boldizsár, L. Bolozdynya, A. Bombara, M. Bonomi, G. Borel, H. Borissov, A. Borri, M. Bossi, H. Botta, E. Bratrud, L. Braun-Munzinger, P. Bregant, M. Broker, T.A. Broz, M. Brucken, E.J. Bruna, E. Bruno, G.E. Buckland, M.D. Budnikov, D. Buesching, H. Bufalino, S. Bugnon, O. Buhler, P. Buncic, P. Buthelezi, Z. Butt, J.B. Buxton, J.T. Bysiak, S.A. Caffarri, D. Caliva, A. Calvo Villar, E. Camacho, R.S. Camerini, P. Capon, A.A. Carnesecchi, F. Castillo Castellanos, J. Castro, A.J. Casula, E.A.R. Catalano, F. Ceballos Sanchez, C. Chakraborty, P. Chandra, S. Chang, B. Chang, W. Chapeland, S. Chartier, M. Chattopadhyay, S. Chattopadhyay, S. Chauvin, A. Cheshkov, C. Cheynis, B. Chibante Barroso, V. Chinellato, D.D. Cho, S. Chochula, P. Chowdhury, T. Christakoglou, P. Christensen, C.H. Christiansen, P. Chujo, T. Cicalo, C. Cifarelli, L. Cindolo, F. Cleymans, J. Colamaria, F. Colella, D. Collu, A. Colocci, M. Concas, M. Conesa Balbastre, G. Conesa del Valle, Z. Contin, G. Contreras, J.G. Cormier, T.M. Corrales Morales, Y. Cortese, P. Cosentino, M.R. Costa, F. Costanza, S. Crkovská, J. Crochet, P. Cuautle, E. Cunqueiro, L. Dabrowski, D. Dahms, T. Dainese, A. Damas, F.P.A. Dani, S. Danisch, M.C. Danu, A. Das, D. Das, I. Das, P. Das, S. Dash, A. Dash, S. Dashi, A. De, S. De Caro, A. de Cataldo, G. de Conti, C. de Cuveland, J. De Falco, A. De Gruttola, D. De Marco, N. De Pasquale, S. De Souza, R.D. Deb, S. Degenhardt, H.F. Deja, K.R. Deloff, A. Delsanto, S. Dhankher, P. Di Bari, D. Di Mauro, A. Diaz, R.A. Dietel, T. Dillenseger, P. Ding, Y. Divià, R. Djuvsland, Ø. Dmitrieva, U. Dobrin, A. Dönigus, B. Dordic, O. Dubey, A.K. Dubla, A. Dudi, S. Dukhishyam, M. Dupieux, P. Ehlers, R.J. Elia, D. Engel, H. Epple, E. Erazmus, B. Erhardt, F. Erokhin, A. Ersdal, M.R. Espagnon, B. Eulisse, G. Eum, J. Evans, D. Evdokimov, S. Fabbietti, L. Faggin, M. Faivre, J. Fantoni, A. Fasel, M. Fecchio, P. Feliciello, A. Feofilov, G. Fernández Téllez, A. Ferrero, A. Ferretti, A. Festanti, A. Feuillard, V.J.G. Figiel, J. Filchagin, S. Finogeev, D. Fionda, F.M. Fiorenza, G. Flor, F. Foertsch, S. Foka, P. Fokin, S. Fragiacomo, E. Frankenfeld, U. Fronze, G.G. Fuchs, U. Furget, C. Furs, A. Fusco Girard, M. Gaardhøje, J.J. Gagliardi, M. Gago, A.M. Gal, A. Galvan, C.D. Ganoti, P. Garabatos, C. Garcia-Solis, E. Garg, K. Gargiulo, C. Garibli, A. Garner, K. Gasik, P. Gauger, E.F. Gay Ducati, M.B. Germain, M. Ghosh, J. Ghosh, P. Ghosh, S.K. Gianotti, P. Giubellino, P. Giubilato, P. Glässel, P. Goméz Coral, D.M. Gomez Ramirez, A. Gonzalez, V. González-Zamora, P. Gorbunov, S. Görlich, L. Gotovac, S. Grabski, V. Graczykowski, L.K. Graham, K.L. Greiner, L. Grelli, A. Grigoras, C. Grigoriev, V. Grigoryan, A. Grigoryan, S. Groettvik, O.S. Gronefeld, J.M. Grosa, F. Grosse-Oetringhaus, J.F. Grosso, R. Guernane, R. Guerzoni, B. Guittiere, M. Gulbrandsen, K. Gunji, T. Gupta, A. Gupta, R. Guzman, I.B. Haake, R. Habib, M.K. Hadjidakis, C. Hamagaki, H. Hamar, G. Hamid, M. Hannigan, R. Haque, M.R. Harlenderova, A. Harris, J.W. Harton, A. Hasenbichler, J.A. Hassan, H. Hatzifotiadou, D. Hauer, P. Hayashi, S. Hechavarria, A.D.L.B. Heckel, S.T. Hellbär, E. Helstrup, H. Herghelegiu, A. Hernandez, E.G. Herrera Corral, G. Herrmann, F. Hetland, K.F. Hilden, T.E. Hillemanns, H. Hills, C. Hippolyte, B. Hohlweger, B. Horak, D. Hornung, S. Hosokawa, R. Hristov, P. Huang, C. Hughes, C. Huhn, P. Humanic, T.J. Hushnud, H. Husova, L.A. Hussain, N. Hussain, S.A. Hussain, T. Hutter, D. Hwang, D.S. Iddon, J.P. Ilkaev, R. Inaba, M. Ippolitov, M. Islam, M.S. Ivanov, M. Ivanov, V. Izucheev, V. Jacak, B. Jacazio, N. Jacobs, P.M. Jadhav, M.B. Jadlovska, S. Jadlovsky, J. Jaelani, S. Jahnke, C. Jakubowska, M.J. Janik, M.A. Jercic, M. Jevons, O. Jimenez Bustamante, R.T. Jin, M. Jonas, F. Jones, P.G. Jusko, A. Kalinak, P. Kalweit, A. Kang, J.H. Kaplin, V. Kar, S. Karasu Uysal, A. Karavichev, O. Karavicheva, T. Karczmarczyk, P. Karpechev, E. Kebschull, U. Keidel, R. Keil, M. Ketzer, B. Khabanova, Z. Khan, A.M. Khan, S. Khan, S.A. Khanzadeev, A. Kharlov, Y. Khatun, A. Khuntia, A. Kileng, B. Kim, B. Kim, B. Kim, D. Kim, D.J. Kim, E.J. Kim, H. Kim, J. Kim, J.S. Kim, J. Kim, J. Kim, J. Kim, M. Kim, S. Kim, T. Kim, T. Kirsch, S. Kisel, I. Kiselev, S. Kisiel, A. Klay, J.L. Klein, C. Klein, J. Klein, S. Klein-Bösing, C. Klewin, S. Kluge, A. Knichel, M.L. Knospe, A.G. Kobdaj, C. Köhler, M.K. Kollegger, T. Kondratyev, A. Kondratyeva, N. Kondratyuk, E. Konopka, P.J. Koska, L. Kovalenko, O. Kovalenko, V. Kowalski, M. Králik, I. Kravčáková, A. Kreis, L. Krivda, M. Krizek, F. Krizkova Gajdosova, K. Krüger, M. Kryshen, E. Krzewicki, M. Kubera, A.M. Kučera, V. Kuhn, C. Kuijer, P.G. Kumar, L. Kumar, S. Kundu, S. Kurashvili, P. Kurepin, A. Kurepin, A.B. Kushpil, S. Kvapil, J. Kweon, M.J. Kwon, J.Y. Kwon, Y. La Pointe, S.L. La Rocca, P. Lai, Y.S. Langoy, R. Lapidus, K. Lardeux, A. Larionov, P. Laudi, E. Lavicka, R. Lazareva, T. Lea, R. Leardini, L. Lee, S. Lehas, F. Lehner, S. Lehrbach, J. Lemmon, R.C. León Monzón, I. Lesser, E.D. Lettrich, M. Lévai, P. Li, X. Li, X.L. Lien, J. Lietava, R. Lim, B. Lindal, S. Lindenstruth, V. Lindsay, S.W. Lippmann, C. Lisa, M.A. Litichevskyi, V. Liu, A. Liu, S. Llope, W.J. Lofnes, I.M. Loginov, V. Loizides, C. Loncar, P. Lopez, X. López Torres, E. Luettig, P. Luhder, J.R. Lunardon, M. Luparello, G. Lupi, M. Maevskaya, A. Mager, M. Mahmood, S.M. Mahmoud, T. Maire, A. Majka, R.D. Malaev, M. Malik, Q.W. Malinina, L. Mal’Kevich, D. Malzacher, P. Mamonov, A. Mandaglio, G. Manko, V. Manso, F. Manzari, V. Mao, Y. Marchisone, M. Mareš, J. Margagliotti, G.V. Margotti, A. Margutti, J. Marín, A. Markert, C. Marquard, M. Martin, N.A. Martinengo, P. Martinez, J.L. Martínez, M.I. Martínez García, G. Martinez Pedreira, M. Masciocchi, S. Masera, M. Masoni, A. Massacrier, L. Masson, E. Mastroserio, A. Mathis, A.M. Matonoha, O. Matuoka, P.F.T. Matyja, A. Mayer, C. Mazzilli, M. Mazzoni, M.A. Mechler, A.F. Meddi, F. Melikyan, Y. Menchaca-Rocha, A. Meninno, E. Meres, M. Mhlanga, S. Miake, Y. Micheletti, L. Mieskolainen, M.M. Mihaylov, D.L. Mikhaylov, K. Mischke, A. Mishra, A.N. Miśkowiec, D. Mitu, C.M. Modak, A. Mohammadi, N. Mohanty, A.P. Mohanty, B. Mohisin Khan, M. Mondal, M. Mondal, M.M. Mordasini, C. Moreira De Godoy, D.A. Moreno, L.A.P. Moretto, S. Morreale, A. Morsch, A. Mrnjavac, T. Muccifora, V. Mudnic, E. Mühlheim, D. Muhuri, S. Mulligan, J.D. Munhoz, M.G. Münning, K. Munzer, R.H. Murakami, H. Murray, S. Musa, L. Musinsky, J. Myers, C.J. Myrcha, J.W. Naik, B. Nair, R. Nandi, B.K. Nania, R. Nappi, E. Naru, M.U. Nassirpour, A.F. Natal da Luz, H. Nattrass, C. Nayak, R. Nayak, T.K. Nazarenko, S. Negrao De Oliveira, R.A. Nellen, L. Nesbo, S.V. Neskovic, G. Nielsen, B.S. Nikolaev, S. Nikulin, S. Nikulin, V. Noferini, F. Nomokonov, P. Nooren, G. Norman, J. Nowakowski, P. Nyanin, A. Nystrand, J. Ogino, M. Ohlson, A. Oleniacz, J. Oliveira Da Silva, A.C. Oliver, M.H. Oppedisano, C. Orava, R. Ortiz Velasquez, A. Oskarsson, A. Otwinowski, J. Oyama, K. Pachmayer, Y. Pacik, V. Pagano, D. Paić, G. Palni, P. Pan, J. Pandey, A.K. Panebianco, S. Papikyan, V. Pareek, P. Park, J. Parkkila, J.E. Parmar, S. Passfeld, A. Pathak, S.P. Patra, R.N. Paul, B. Pei, H. Peitzmann, T. Peng, X. Pereira, L.G. Pereira Da Costa, H. Peresunko, D. Perez, G.M. Perez Lezama, E. Peskov, V. Pestov, Y. Petráček, V. Petrovici, M. Pezzi, R.P. Piano, S. Pikna, M. Pillot, P. Pimentel, L.O.D.L. Pinazza, O. Pinsky, L. Pinto, C. Pisano, S. Piyarathna, D.B. Płoskoń, M. Planinic, M. Pliquett, F. Pluta, J. Pochybova, S. Poghosyan, M.G. Polichtchouk, B. Poljak, N. Poonsawat, W. Pop, A. Poppenborg, H. Porteboeuf-Houssais, S. Pozdniakov, V. Prasad, S.K. Preghenella, R. Prino, F. Pruneau, C.A. Pshenichnov, I. Puccio, M. Punin, V. Puranapanda, K. Putschke, J. Quishpe, R.E. Ragoni, S. Raha, S. Rajput, S. Rak, J. Rakotozafindrabe, A. Ramello, L. Rami, F. Raniwala, R. Raniwala, S. Räsänen, S.S. Rascanu, B.T. Rath, R. Ratza, V. Ravasenga, I. Read, K.F. Redlich, K. Rehman, A. Reichelt, P. Reidt, F. Ren, X. Renfordt, R. Reshetin, A. Revol, J.-P. Reygers, K. Riabov, V. Richert, T. Richter, M. Riedler, P. Riegler, W. Riggi, F. Ristea, C. Rode, S.P. Rodríguez Cahuantzi, M. Røed, K. Rogalev, R. Rogochaya, E. Rohr, D. Röhrich, D. Rokita, P.S. Ronchetti, F. Rosas, E.D. Roslon, K. Rosnet, P. Rossi, A. Rotondi, A. Roukoutakis, F. Roy, A. Roy, P. Rueda, O.V. Rui, R. Rumyantsev, B. Rustamov, A. Ryabinkin, E. Ryabov, Y. Rybicki, A. Rytkonen, H. Sadhu, S. Sadovsky, S. Šafařík, K. Saha, S.K. Sahoo, B. Sahoo, P. Sahoo, R. Sahoo, S. Sahu, P.K. Saini, J. Sakai, S. Sambyal, S. Samsonov, V. Sandoval, A. Sarkar, A. Sarkar, D. Sarkar, N. Sarma, P. Sarti, V.M. Sas, M.H.P. Scapparone, E. Schaefer, B. Schambach, J. Scheid, H.S. Schiaua, C. Schicker, R. Schmah, A. Schmidt, C. Schmidt, H.R. Schmidt, M.O. Schmidt, M. Schmidt, N.V. Schmier, A.R. Schukraft, J. Schutz, Y. Schwarz, K. Schweda, K. Scioli, G. Scomparin, E. Šefčík, M. Seger, J.E. Sekiguchi, Y. Sekihata, D. Selyuzhenkov, I. Senyukov, S. Serebryakov, D. Serradilla, E. Sett, P. Sevcenco, A. Shabanov, A. Shabetai, A. Shahoyan, R. Shaikh, W. Shangaraev, A. Sharma, A. Sharma, A. Sharma, H. Sharma, M. Sharma, N. Sheikh, A.I. Shigaki, K. Shimomura, M. Shirinkin, S. Shou, Q. Sibiriak, Y. Siddhanta, S. Siemiarczuk, T. Silvermyr, D. Silvestre, C. Simatovic, G. Simonetti, G. Singh, R. Singh, R. Singh, V.K. Singhal, V. Sinha, T. Sitar, B. Sitta, M. Skaali, T.B. Slupecki, M. Smirnov, N. Snellings, R.J.M. Snellman, T.W. Sochan, J. Soncco, C. Song, J. Songmoolnak, A. Soramel, F. Sorensen, S. Sputowska, I. Stachel, J. Stan, I. Stankus, P. Steffanic, P.J. Stenlund, E. Stocco, D. Storetvedt, M.M. Strmen, P. Suaide, A.A.P. Sugitate, T. Suire, C. Suleymanov, M. Suljic, M. Sultanov, R. Šumbera, M. Sumowidagdo, S. Suzuki, K. Swain, S. Szabo, A. Szarka, I. Tabassam, U. Taillepied, G. Takahashi, J. Tambave, G.J. Tang, S. Tarhini, M. Tarzila, M.G. Tauro, A. Tejeda Muñoz, G. Telesca, A. Terrevoli, C. Thakur, D. Thakur, S. Thomas, D. Thoresen, F. Tieulent, R. Tikhonov, A. Timmins, A.R. Toia, A. Topilskaya, N. Toppi, M. Torales-Acosta, F. Torres, S.R. Trifiro, A. Tripathy, S. Tripathy, T. Trogolo, S. Trombetta, G. Tropp, L. Trubnikov, V. Trzaska, W.H. Trzcinski, T.P. Trzeciak, B.A. Tsuji, T. Tumkin, A. Turrisi, R. Tveter, T.S. Ullaland, K. Umaka, E.N. Uras, A. Usai, G.L. Utrobicic, A. Vala, M. Valle, N. Vallero, S. van der Kolk, N. van Doremalen, L.V.R. van Leeuwen, M. Vande Vyvre, P. Varga, D. Varga, Z. Varga-Kofarago, M. Vargas, A. Vargyas, M. Varma, R. Vasileiou, M. Vasiliev, A. Vázquez Doce, O. Vechernin, V. Veen, A.M. Vercellin, E. Vergara Limón, S. Vermunt, L. Vernet, R. Vértesi, R. Vicencio, M.G.D.L.C. Vickovic, L. Viinikainen, J. Vilakazi, Z. Villalobos Baillie, O. Villatoro Tello, A. Vino, G. Vinogradov, A. Virgili, T. Vislavicius, V. Vodopyanov, A. Volkel, B. Völkl, M.A. Voloshin, K. Voloshin, S.A. Volpe, G. von Haller, B. Vorobyev, I. Voscek, D. Vrláková, J. Wagner, B. Watanabe, Y. Weber, M. Weber, S.G. Wegrzynek, A. Weiser, D.F. Wenzel, S.C. Wessels, J.P. Widmann, E. Wiechula, J. Wikne, J. Wilk, G. Wilkinson, J. Willems, G.A. Willsher, E. Windelband, B. Witt, W.E. Wu, Y. Xu, R. Yalcin, S. Yamakawa, K. Yang, S. Yano, S. Yin, Z. Yokoyama, H. Yoo, I.-K. Yoon, J.H. Yuan, S. Yuncu, A. Yurchenko, V. Zaccolo, V. Zaman, A. Zampolli, C. Zanoli, H.J.C. Zardoshti, N. Zarochentsev, A. Závada, P. Zaviyalov, N. Zbroszczyk, H. Zhalov, M. Zhang, X. Zhang, Z. Zhao, C. Zherebchevskii, V. Zhigareva, N. Zhou, D. Zhou, Y. Zhou, Z. Zhu, J. Zhu, Y. Zichichi, A. Zimmermann, M.B. Zinovjev, G. Zurlo, N. The ALICE collaboration

Subjects
High Energy Physics::Experiment, Nuclear Experiment
Abstract

The measurement of the production of prompt D0, D+, D*+, and DS+ mesons in proton–lead (p–Pb) collisions at the centre-of-mass energy per nucleon pair of sNN = 5.02 TeV, with an integrated luminosity of 292 ± 11 μb−1, are reported. Differential production cross sections are measured at mid-rapidity (−0.96 < ycms< 0.04) as a function of transverse momentum (pT) in the intervals 0 < pT< 36 GeV/c for D0, 1 < pT< 36 GeV/c for D+ and D*+, and 2 < pT< 24 GeV/c for D+ mesons. For each species, the nuclear modification factor RpPb is calculated as a function of pT using a proton-proton (pp) ref- erence measured at the same collision energy. The results are compatible with unity in the whole pT range. The average of the non-strange D mesons RpPb is compared with theoretical model predictions that include initial-state effects and parton transport model predictions. The pT dependence of the D0, D+, and D*+ nuclear modification factors is also reported in the interval 1 < pT< 36 GeV/c as a function of the collision centrality, and the central-to-peripheral ratios are computed from the D-meson yields measured in different centrality classes. The results are further compared with charged-particle measurements and a similar trend is observed in all the centrality classes. The ratios of the pT-differential cross sections of D0, D+, D*+, and DS+ mesons are also reported. The DS+ and D+ yields are compared as a function of the charged-particle multiplicity for several pT intervals. No modification in the relative abundances of the four species is observed with respect to pp collisions within the statistical and systematic uncertainties. [Figure not available: see fulltext.]. © 2019, The Author(s).

Published
2019

129. Measurement of the inclusive isolated photon production cross section in pp collisions at √s=7 TeV

Author

Acharya, S. Adamová, D. Adhya, S.P. Adler, A. Adolfsson, J. Aggarwal, M.M. Aglieri Rinella, G. Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S.U. Akindinov, A. Al-Turany, M. Alam, S.N. Albuquerque, D.S.D. Aleksandrov, D. Alessandro, B. Alfanda, H.M. Alfaro Molina, R. Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. Altsybeev, I. Anaam, M.N. Andrei, C. Andreou, D. Andrews, H.A. Andronic, A. Angeletti, M. Anguelov, V. Anson, C. Antičić, T. Antinori, F. Antonioli, P. Anwar, R. Apadula, N. Aphecetche, L. Appelshäuser, H. Arcelli, S. Arnaldi, R. Arratia, M. Arsene, I.C. Arslandok, M. Augustinus, A. Averbeck, R. Aziz, S. Azmi, M.D. Badalà, A. Baek, Y.W. Bagnasco, S. Bai, X. Bailhache, R. Bala, R. Baldisseri, A. Ball, M. Balouza, S. Baral, R.C. Barbera, R. Barioglio, L. Barnaföldi, G.G. Barnby, L.S. Barret, V. Bartalini, P. Barth, K. Bartsch, E. Baruffaldi, F. Bastid, N. Basu, S. Batigne, G. Batyunya, B. Batzing, P.C. Bauri, D. Bazo Alba, J.L. Bearden, I.G. Bedda, C. Behera, N.K. Belikov, I. Bellini, F. Bellwied, R. Belyaev, V. Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, D. Bertens, R.A. Berzano, D. Besoiu, M.G. Betev, L. Bhasin, A. Bhat, I.R. Bhat, M.A. Bhatt, H. Bhattacharjee, B. Bianchi, A. Bianchi, L. Bianchi, N. Bielčík, J. Bielčíková, J. Bilandzic, A. Biro, G. Biswas, R. Biswas, S. Blair, J.T. Blau, D. Blume, C. Boca, G. Bock, F. Bogdanov, A. Boldizsár, L. Bolozdynya, A. Bombara, M. Bonomi, G. Borel, H. Borissov, A. Borri, M. Bossi, H. Botta, E. Bratrud, L. Braun-Munzinger, P. Bregant, M. Broker, T.A. Broz, M. Brucken, E.J. Bruna, E. Bruno, G.E. Buckland, M.D. Budnikov, D. Buesching, H. Bufalino, S. Bugnon, O. Buhler, P. Buncic, P. Buthelezi, Z. Butt, J.B. Buxton, J.T. Bysiak, S.A. Caffarri, D. Caliva, A. Calvo Villar, E. Camacho, R.S. Camerini, P. Capon, A.A. Carnesecchi, F. Castillo Castellanos, J. Castro, A.J. Casula, E.A.R. Catalano, F. Ceballos Sanchez, C. Chakraborty, P. Chandra, S. Chang, B. Chang, W. Chapeland, S. Chartier, M. Chattopadhyay, S. Chattopadhyay, S. Chauvin, A. Cheshkov, C. Cheynis, B. Chibante Barroso, V. Chinellato, D.D. Cho, S. Chochula, P. Chowdhury, T. Christakoglou, P. Christensen, C.H. Christiansen, P. Chujo, T. Cicalo, C. Cifarelli, L. Cindolo, F. Cleymans, J. Colamaria, F. Colella, D. Collu, A. Colocci, M. Concas, M. Conesa Balbastre, G. Conesa del Valle, Z. Contin, G. Contreras, J.G. Cormier, T.M. Corrales Morales, Y. Cortese, P. Cosentino, M.R. Costa, F. Costanza, S. Crkovská, J. Crochet, P. Cuautle, E. Cunqueiro, L. Dabrowski, D. Dahms, T. Dainese, A. Damas, F.P.A. Dani, S. Danisch, M.C. Danu, A. Das, D. Das, I. Das, P. Das, S. Dash, A. Dash, S. Dashi, A. De, S. De Caro, A. de Cataldo, G. de Conti, C. de Cuveland, J. De Falco, A. De Gruttola, D. De Marco, N. De Pasquale, S. De Souza, R.D. Deb, S. Degenhardt, H.F. Deja, K.R. Deloff, A. Delsanto, S. Dhankher, P. Di Bari, D. Di Mauro, A. Diaz, R.A. Dietel, T. Dillenseger, P. Ding, Y. Divià, R. Djuvsland, Ø. Dmitrieva, U. Dobrin, A. Dönigus, B. Dordic, O. Dubey, A.K. Dubla, A. Dudi, S. Dukhishyam, M. Dupieux, P. Ehlers, R.J. Elia, D. Engel, H. Epple, E. Erazmus, B. Erhardt, F. Erokhin, A. Ersdal, M.R. Espagnon, B. Eulisse, G. Eum, J. Evans, D. Evdokimov, S. Fabbietti, L. Faggin, M. Faivre, J. Fantoni, A. Fasel, M. Fecchio, P. Feliciello, A. Feofilov, G. Fernández Téllez, A. Ferrero, A. Ferretti, A. Festanti, A. Feuillard, V.J.G. Figiel, J. Filchagin, S. Finogeev, D. Fionda, F.M. Fiorenza, G. Flor, F. Foertsch, S. Foka, P. Fokin, S. Fragiacomo, E. Frankenfeld, U. Fronze, G.G. Fuchs, U. Furget, C. Furs, A. Fusco Girard, M. Gaardhøje, J.J. Gagliardi, M. Gago, A.M. Gal, A. Galvan, C.D. Ganoti, P. Garabatos, C. Garcia-Solis, E. Garg, K. Gargiulo, C. Garibli, A. Garner, K. Gasik, P. Gauger, E.F. Gay Ducati, M.B. Germain, M. Ghosh, J. Ghosh, P. Ghosh, S.K. Gianotti, P. Giubellino, P. Giubilato, P. Glässel, P. Goméz Coral, D.M. Gomez Ramirez, A. Gonzalez, V. González-Zamora, P. Gorbunov, S. Görlich, L. Gotovac, S. Grabski, V. Graczykowski, L.K. Graham, K.L. Greiner, L. Grelli, A. Grigoras, C. Grigoriev, V. Grigoryan, A. Grigoryan, S. Groettvik, O.S. Gronefeld, J.M. Grosa, F. Grosse-Oetringhaus, J.F. Grosso, R. Guernane, R. Guerzoni, B. Guittiere, M. Gulbrandsen, K. Gunji, T. Gupta, A. Gupta, R. Guzman, I.B. Haake, R. Habib, M.K. Hadjidakis, C. Hamagaki, H. Hamar, G. Hamid, M. Hannigan, R. Haque, M.R. Harlenderova, A. Harris, J.W. Harton, A. Hasenbichler, J.A. Hassan, H. Hatzifotiadou, D. Hauer, P. Hayashi, S. Hechavarria, A.D.L.B. Heckel, S.T. Hellbär, E. Helstrup, H. Herghelegiu, A. Hernandez, E.G. Herrera Corral, G. Herrmann, F. Hetland, K.F. Hilden, T.E. Hillemanns, H. Hills, C. Hippolyte, B. Hohlweger, B. Horak, D. Hornung, S. Hosokawa, R. Hristov, P. Huang, C. Hughes, C. Huhn, P. Humanic, T.J. Hushnud, H. Husova, L.A. Hussain, N. Hussain, S.A. Hussain, T. Hutter, D. Hwang, D.S. Iddon, J.P. Ilkaev, R. Inaba, M. Ippolitov, M. Islam, M.S. Ivanov, M. Ivanov, V. Izucheev, V. Jacak, B. Jacazio, N. Jacobs, P.M. Jadhav, M.B. Jadlovska, S. Jadlovsky, J. Jaelani, S. Jahnke, C. Jakubowska, M.J. Janik, M.A. Jercic, M. Jevons, O. Jimenez Bustamante, R.T. Jin, M. Jonas, F. Jones, P.G. Jusko, A. Kalinak, P. Kalweit, A. Kang, J.H. Kaplin, V. Kar, S. Karasu Uysal, A. Karavichev, O. Karavicheva, T. Karczmarczyk, P. Karpechev, E. Kebschull, U. Keidel, R. Keil, M. Ketzer, B. Khabanova, Z. Khan, A.M. Khan, S. Khan, S.A. Khanzadeev, A. Kharlov, Y. Khatun, A. Khuntia, A. Kileng, B. Kim, B. Kim, B. Kim, D. Kim, D.J. Kim, E.J. Kim, H. Kim, J. Kim, J.S. Kim, J. Kim, J. Kim, J. Kim, M. Kim, S. Kim, T. Kim, T. Kirsch, S. Kisel, I. Kiselev, S. Kisiel, A. Klay, J.L. Klein, C. Klein, J. Klein, S. Klein-Bösing, C. Klewin, S. Kluge, A. Knichel, M.L. Knospe, A.G. Kobdaj, C. Köhler, M.K. Kollegger, T. Kondratyev, A. Kondratyeva, N. Kondratyuk, E. Konopka, P.J. Koska, L. Kovalenko, O. Kovalenko, V. Kowalski, M. Králik, I. Kravčáková, A. Kreis, L. Krivda, M. Krizek, F. Gajdosova, K.K. Krüger, M. Kryshen, E. Krzewicki, M. Kubera, A.M. Kučera, V. Kuhn, C. Kuijer, P.G. Kumar, L. Kumar, S. Kundu, S. Kurashvili, P. Kurepin, A. Kurepin, A.B. Kushpil, S. Kvapil, J. Kweon, M.J. Kwon, J.Y. Kwon, Y. La Pointe, S.L. La Rocca, P. Lai, Y.S. Langoy, R. Lapidus, K. Lardeux, A. Larionov, P. Laudi, E. Lavicka, R. Lazareva, T. Lea, R. Leardini, L. Lee, S. Lehas, F. Lehner, S. Lehrbach, J. Lemmon, R.C. León Monzón, I. Lesser, E.D. Lettrich, M. Lévai, P. Li, X. Li, X.L. Lien, J. Lietava, R. Lim, B. Lindal, S. Lindenstruth, V. Lindsay, S.W. Lippmann, C. Lisa, M.A. Litichevskyi, V. Liu, A. Liu, S. Llope, W.J. Lodato, D.F. Lofnes, I.M. Loginov, V. Loizides, C. Loncar, P. Lopez, X. López Torres, E. Luettig, P. Luhder, J.R. Lunardon, M. Luparello, G. Lupi, M. Maevskaya, A. Mager, M. Mahmood, S.M. Mahmoud, T. Maire, A. Majka, R.D. Malaev, M. Malik, Q.W. Malinina, L. Mal’Kevich, D. Malzacher, P. Mamonov, A. Mandaglio, G. Manko, V. Manso, F. Manzari, V. Mao, Y. Marchisone, M. Mareš, J. Margagliotti, G.V. Margotti, A. Margutti, J. Marín, A. Markert, C. Marquard, M. Martin, N.A. Martinengo, P. Martinez, J.L. Martínez, M.I. Martínez García, G. Martinez Pedreira, M. Masciocchi, S. Masera, M. Masoni, A. Massacrier, L. Masson, E. Mastroserio, A. Mathis, A.M. Matonoha, O. Matuoka, P.F.T. Matyja, A. Mayer, C. Mazzilli, M. Mazzoni, M.A. Mechler, A.F. Meddi, F. Melikyan, Y. Menchaca-Rocha, A. Meninno, E. Meres, M. Mhlanga, S. Miake, Y. Micheletti, L. Mieskolainen, M.M. Mihaylov, D.L. Mikhaylov, K. Mischke, A. Mishra, A.N. Miśkowiec, D. Mitu, C.M. Modak, A. Mohammadi, N. Mohanty, A.P. Mohanty, B. Mohisin Khan, M. Mondal, M. Mondal, M.M. Mordasini, C. Moreira De Godoy, D.A. Moreno, L.A.P. Moretto, S. Morreale, A. Morsch, A. Mrnjavac, T. Muccifora, V. Mudnic, E. Mühlheim, D. Muhuri, S. Mulligan, J.D. Munhoz, M.G. Münning, K. Munzer, R.H. Murakami, H. Murray, S. Musa, L. Musinsky, J. Myers, C.J. Myrcha, J.W. Naik, B. Nair, R. Nandi, B.K. Nania, R. Nappi, E. Naru, M.U. Nassirpour, A.F. Natal da Luz, H. Nattrass, C. Nayak, R. Nayak, T.K. Nazarenko, S. Negrao De Oliveira, R.A. Nellen, L. Nesbo, S.V. Neskovic, G. Nielsen, B.S. Nikolaev, S. Nikulin, S. Nikulin, V. Noferini, F. Nomokonov, P. Nooren, G. Norman, J. Nowakowski, P. Nyanin, A. Nystrand, J. Ogino, M. Ohlson, A. Oleniacz, J. Oliveira Da Silva, A.C. Oliver, M.H. Oppedisano, C. Orava, R. Ortiz Velasquez, A. Oskarsson, A. Otwinowski, J. Oyama, K. Pachmayer, Y. Pacik, V. Pagano, D. Paić, G. Palni, P. Pan, J. Pandey, A.K. Panebianco, S. Papikyan, V. Pareek, P. Park, J. Parkkila, J.E. Parmar, S. Passfeld, A. Pathak, S.P. Patra, R.N. Paul, B. Pei, H. Peitzmann, T. Peng, X. Pereira, L.G. Pereira Da Costa, H. Peresunko, D. Perez, G.M. Perez Lezama, E. Peskov, V. Pestov, Y. Petráček, V. Petrovici, M. Pezzi, R.P. Piano, S. Pikna, M. Pillot, P. Pimentel, L.O.D.L. Pinazza, O. Pinsky, L. Pinto, C. Pisano, S. Piyarathna, D.B. Płoskoń, M. Planinic, M. Pliquett, F. Pluta, J. Pochybova, S. Poghosyan, M.G. Polichtchouk, B. Poljak, N. Poonsawat, W. Pop, A. Poppenborg, H. Porteboeuf-Houssais, S. Pozdniakov, V. Prasad, S.K. Preghenella, R. Prino, F. Pruneau, C.A. Pshenichnov, I. Puccio, M. Punin, V. Puranapanda, K. Putschke, J. Quishpe, R.E. Ragoni, S. Raha, S. Rajput, S. Rak, J. Rakotozafindrabe, A. Ramello, L. Rami, F. Raniwala, R. Raniwala, S. Räsänen, S.S. Rascanu, B.T. Rath, R. Ratza, V. Ravasenga, I. Read, K.F. Redlich, K. Rehman, A. Reichelt, P. Reidt, F. Ren, X. Renfordt, R. Reshetin, A. Revol, J.-P. Reygers, K. Riabov, V. Richert, T. Richter, M. Riedler, P. Riegler, W. Riggi, F. Ristea, C. Rode, S.P. Rodríguez Cahuantzi, M. Røed, K. Rogalev, R. Rogochaya, E. Rohr, D. Röhrich, D. Rokita, P.S. Ronchetti, F. Rosas, E.D. Roslon, K. Rosnet, P. Rossi, A. Rotondi, A. Roukoutakis, F. Roy, A. Roy, P. Rueda, O.V. Rui, R. Rumyantsev, B. Rustamov, A. Ryabinkin, E. Ryabov, Y. Rybicki, A. Rytkonen, H. Sadhu, S. Sadovsky, S. Šafařík, K. Saha, S.K. Sahoo, B. Sahoo, P. Sahoo, R. Sahoo, S. Sahu, P.K. Saini, J. Sakai, S. Sambyal, S. Samsonov, V. Sandoval, A. Sarkar, A. Sarkar, D. Sarkar, N. Sarma, P. Sarti, V.M. Sas, M.H.P. Scapparone, E. Schaefer, B. Schambach, J. Scheid, H.S. Schiaua, C. Schicker, R. Schmah, A. Schmidt, C. Schmidt, H.R. Schmidt, M.O. Schmidt, M. Schmidt, N.V. Schmier, A.R. Schukraft, J. Schutz, Y. Schwarz, K. Schweda, K. Scioli, G. Scomparin, E. Šefčík, M. Seger, J.E. Sekiguchi, Y. Sekihata, D. Selyuzhenkov, I. Senyukov, S. Serebryakov, D. Serradilla, E. Sett, P. Sevcenco, A. Shabanov, A. Shabetai, A. Shahoyan, R. Shaikh, W. Shangaraev, A. Sharma, A. Sharma, A. Sharma, H. Sharma, M. Sharma, N. Sheikh, A.I. Shigaki, K. Shimomura, M. Shirinkin, S. Shou, Q. Sibiriak, Y. Siddhanta, S. Siemiarczuk, T. Silvermyr, D. Silvestre, C. Simatovic, G. Simonetti, G. Singh, R. Singh, R. Singh, V.K. Singhal, V. Sinha, T. Sitar, B. Sitta, M. Skaali, T.B. Slupecki, M. Smirnov, N. Snellings, R.J.M. Snellman, T.W. Sochan, J. Soncco, C. Song, J. Songmoolnak, A. Soramel, F. Sorensen, S. Sputowska, I. Stachel, J. Stan, I. Stankus, P. Steffanic, P.J. Stenlund, E. Stocco, D. Storetvedt, M.M. Strmen, P. Suaide, A.A.P. Sugitate, T. Suire, C. Suleymanov, M. Suljic, M. Sultanov, R. Šumbera, M. Sumowidagdo, S. Suzuki, K. Swain, S. Szabo, A. Szarka, I. Tabassam, U. Taillepied, G. Takahashi, J. Tambave, G.J. Tang, S. Tarhini, M. Tarzila, M.G. Tauro, A. Tejeda Muñoz, G. Telesca, A. Terrevoli, C. Thakur, D. Thakur, S. Thomas, D. Thoresen, F. Tieulent, R. Tikhonov, A. Timmins, A.R. Toia, A. Topilskaya, N. Toppi, M. Torales-Acosta, F. Torres, S.R. Trifiro, A. Tripathy, S. Tripathy, T. Trogolo, S. Trombetta, G. Tropp, L. Trubnikov, V. Trzaska, W.H. Trzcinski, T.P. Trzeciak, B.A. Tsuji, T. Tumkin, A. Turrisi, R. Tveter, T.S. Ullaland, K. Umaka, E.N. Uras, A. Usai, G.L. Utrobicic, A. Vala, M. Valle, N. Vallero, S. van der Kolk, N. van Doremalen, L.V.R. van Leeuwen, M. Vande Vyvre, P. Varga, D. Varga, Z. Varga-Kofarago, M. Vargas, A. Vargyas, M. Varma, R. Vasileiou, M. Vasiliev, A. Vázquez Doce, O. Vechernin, V. Veen, A.M. Vercellin, E. Vergara Limón, S. Vermunt, L. Vernet, R. Vértesi, R. Vicencio, M.G.D.L.C. Vickovic, L. Viinikainen, J. Vilakazi, Z. Villalobos Baillie, O. Villatoro Tello, A. Vino, G. Vinogradov, A. Virgili, T. Vislavicius, V. Vodopyanov, A. Volkel, B. Völkl, M.A. Voloshin, K. Voloshin, S.A. Volpe, G. von Haller, B. Vorobyev, I. Voscek, D. Vrláková, J. Wagner, B. Watanabe, Y. Weber, M. Weber, S.G. Wegrzynek, A. Weiser, D.F. Wenzel, S.C. Wessels, J.P. Widmann, E. Wiechula, J. Wikne, J. Wilk, G. Wilkinson, J. Willems, G.A. Willsher, E. Windelband, B. Witt, W.E. Wu, Y. Xu, R. Yalcin, S. Yamakawa, K. Yang, S. Yano, S. Yin, Z. Yokoyama, H. Yoo, I.-K. Yoon, J.H. Yuan, S. Yuncu, A. Yurchenko, V. Zaccolo, V. Zaman, A. Zampolli, C. Zanoli, H.J.C. Zardoshti, N. Zarochentsev, A. Závada, P. Zaviyalov, N. Zbroszczyk, H. Zhalov, M. Zhang, X. Zhang, Z. Zhao, C. Zherebchevskii, V. Zhigareva, N. Zhou, D. Zhou, Y. Zhou, Z. Zhu, J. Zhu, Y. Zichichi, A. Zimmermann, M.B. Zinovjev, G. Zurlo, N. ALICE Collaboration

Subjects
Physics::Instrumentation and Detectors, High Energy Physics::Experiment, Nuclear Experiment
Abstract

The production cross section of inclusive isolated photons has been measured by the ALICE experiment at the CERN LHC in pp collisions at a centre-of-momentum energy of s= 7 TeV. The measurement is performed with the electromagnetic calorimeter EMCal and the central tracking detectors, covering a range of | η| < 0.27 in pseudorapidity and a transverse momentum range of 10

Published
2019

130. One-dimensional charged kaon femtoscopy in p-Pb collisions at root s(NN)=5.02 TeV

Author

Acharya, S. Adamova, D. Adhya, S. P. Adler, A. and Adolfsson, J. Aggarwal, M. M. Rinella, G. Aglieri Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S. U. and Aiola, S. Akindinov, A. Al-Turany, M. Alam, S. N. and Albuquerque, D. S. D. Aleksandrov, D. Alessandro, B. and Alfanda, H. M. Alfaro Molina, R. Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. and Altsybeev, I Anaam, M. N. Andrei, C. Andreou, D. and Andrews, H. A. Andronic, A. Angeletti, M. Anguelov, V and Anson, C. Anticic, T. Antinori, F. Antonioli, P. Anwar, R. Apadula, N. Aphecetche, L. Appelshaeuser, H. Arcelli, S. Arnaldi, R. Arratia, M. Arsene, I. C. Arslandok, M. and Augustinus, A. Averbeck, R. Aziz, S. Azmi, M. D. and Badala, A. Baek, Y. W. Bagnasco, S. Bailhache, R. Bala, R. Baldisseri, A. Ball, M. Baral, R. C. Barbera, R. and Barioglio, L. Barnafoldi, G. G. Barnby, L. S. Barret, V and Bartalini, P. Barth, K. Bartsch, E. Bastid, N. Basu, S. and Batigne, G. Batyunya, B. Batzing, P. C. Bauri, D. and Bazo Alba, J. L. Bearden, I. G. Bedda, C. Behera, N. K. and Belikov, I Bellini, F. Bellwied, R. Beltran, L. G. E. and Belyaev, V Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, D. Bertens, R. A. Berzano, D. Betev, L. and Bhasin, A. Bhat, I. R. Bhatt, H. Bhattacharjee, B. and Bianchi, A. Bianchi, L. Bianchi, N. Bielcik, J. and Bielcikova, J. Bilandzic, A. Biro, G. Biswas, R. Biswas, S. Blair, J. T. Blau, D. Blume, C. Boca, G. Bock, F. and Bogdanov, A. Boldizsar, L. Bolozdynya, A. Bombara, M. and Bonomi, G. Bonora, M. Borel, H. Borissov, A. Borri, M. Bossi, H. Botta, E. Bourjau, C. Bratrud, L. and Braun-Munzinger, P. Bregant, M. Broker, T. A. Broz, M. and Brucken, E. J. Bruna, E. Bruno, G. E. Buckland, M. D. and Budnikov, D. Buesching, H. Bufalino, S. Bugnon, O. and Buhler, P. Buncic, P. Busch, O. Buthelezi, Z. Butt, J. B. Buxton, J. T. Caffarri, D. Caliva, A. Calvo Villar, E. Camacho, R. S. Camerini, P. Capon, A. A. Carnesecchi, F. Castellanos, J. Castillo Castro, A. J. Casula, E. A. R. and Catalano, F. Sanchez, C. Ceballos Chakraborty, P. and Chandra, S. Chang, B. Chang, W. Chapeland, S. Chartier, M. Chattopadhyay, S. Chauvin, A. Cheshkov, C. Cheynis, B. Barroso, V. Chibante Chinellato, D. D. Cho, S. and Chochula, P. Chowdhury, T. Christakoglou, P. Christensen, C. H. Christiansen, P. Chujo, T. Cicalo, C. Cifarelli, L. and Cindolo, F. Cleymans, J. Colamaria, F. Colella, D. and Collu, A. Colocci, M. Concas, M. Balbastre, G. Conesa and del Valle, Z. Conesa Contin, G. Contreras, J. G. Cormier, T. M. Morales, Y. Corrales Cortese, P. Cosentino, M. R. and Costa, F. Costanza, S. Crkovska, J. Crochet, P. Cuautle, E. Cunqueiro, L. Dabrowski, D. Dahms, T. Dainese, A. and Damas, F. P. A. Dani, S. Danisch, M. C. Danu, A. Das, D. and Das, I Das, S. Dash, A. Dash, S. Dashi, A. De, S. De Caro, A. de Cataldo, G. de Conti, C. de Cuveland, J. De Falco, A. De Gruttola, D. De Marco, N. De Pasquale, S. De Souza, R. D. Deb, S. Degenhardt, H. F. and Deisting, A. Deja, K. R. Deloff, A. Delsanto, S. and Dhankher, P. Di Bari, D. Di Mauro, A. Diaz, R. A. and Dietel, T. Dillenseger, P. Ding, Y. Divia, R. Djuvsland, O. Dmitrieva, U. Dobrin, A. Domenicis Gimenez, D. and Doenigus, B. Dordic, O. Dubey, A. K. Dubla, A. Dudi, S. and Duggal, A. K. Dukhishyam, M. Dupieux, P. Ehlers, R. J. and Elia, D. Engel, H. Epple, E. Erazmus, B. Erhardt, F. and Erokhin, A. Ersdal, M. R. Espagnon, B. Eulisse, G. and Eum, J. Evans, D. Evdokimov, S. Fabbietti, L. Faggin, M. and Faivre, J. Fantoni, A. Fasel, M. Fecchio, P. and Feldkamp, L. Feliciello, A. Feofilov, G. Fernandez Tellez, A. Ferrero, A. Ferretti, A. Festanti, A. Feuillard, V. J. G. Figiel, J. Filchagin, S. Finogeev, D. Fionda, F. M. Fiorenza, G. Flor, F. Foertsch, S. Foka, P. and Fokin, S. Fragiacomo, E. Francisco, A. Frankenfeld, U. and Fronze, G. G. Fuchs, U. Furget, C. Furs, A. Girard, M. Fusco Gaardhoje, J. J. Gagliardi, M. Gago, A. M. Gal, A. and Galvan, C. D. Ganoti, P. Garabatos, C. 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Hillemanns, H. Hills, C. Hippolyte, B. Hohlweger, B. Horak, D. Hornung, S. Hosokawa, R. Hristov, P. and Huang, C. Hughes, C. Huhn, P. Humanic, T. J. Hushnud, H. and Husova, L. A. Hussain, N. Hussain, S. A. Hussain, T. and Hutter, D. Hwang, D. S. Iddon, J. P. Ilkaev, R. Inaba, M. Ippolitov, M. Islam, M. S. Ivanov, M. Ivanov, V and Izucheev, V Jacak, B. Jacazio, N. Jacobs, P. M. Jadhav, M. B. Jadlovska, S. Jadlovsky, J. Jaelani, S. Jahnke, C. and Jakubowska, M. J. Janik, M. A. Jercic, M. Jevons, O. and Bustamante, R. T. Jimenez Jin, M. Jonas, F. Jones, P. G. and Jusko, A. Kalinak, P. Kalweit, A. Kang, J. H. Kaplin, V and Kar, S. Uysal, A. Karasu Karavichev, O. Karavicheva, T. and Karczmarczyk, P. Karpechev, E. Kebschull, U. Keidel, R. and Keil, M. Ketzer, B. Khabanova, Z. Khan, A. M. Khan, S. Khan, S. A. Khanzadeev, A. Kharlov, Y. Khatun, A. and Khuntia, A. Kileng, B. Kim, B. Kim, D. Kim, D. J. and Kim, E. J. Kim, H. Kim, J. S. Kim, J. Kim, M. Kim, S. Kim, T. Kindra, K. Kirsch, S. 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Vodopyanov, A. Volkel, B. and Voelkl, M. A. Voloshin, K. Voloshin, S. A. Volpe, G. von Haller, B. Vorobyev, I Voscek, D. Vrlakova, J. Wagner, B. Watanabe, Y. Weber, M. Weber, S. G. Wegrzynek, A. and Weiser, D. F. Wenzel, S. C. Wessels, J. P. Westerhoff, U. and Whitehead, A. M. Widmann, E. Wiechula, J. Wikne, J. and Wilk, G. Wilkinson, J. Willems, G. A. Willsher, E. and Windelband, B. Witt, W. E. Wu, Y. Xu, R. Yalcin, S. and Yamakawa, K. Yang, S. Yano, S. Yin, Z. Yokoyama, H. and Yoo, I-K Yoon, J. H. Yuan, S. Yuncu, A. Yurchenko, V and Zaccolo, V Zaman, A. Zampolli, C. Zanoli, H. J. C. and Zardoshti, N. Zarochentsev, A. Zavada, P. Zaviyalov, N. and Zbroszczyk, H. Zhalov, M. Zhang, X. Zhang, Z. Zhao, C. and Zherebchevskii, V Zhigareva, N. Zhou, D. Zhou, Y. and Zhou, Z. Zhu, J. Zhu, Y. Zichichi, A. Zimmermann, M. B. and Zinovjev, G. Zurlo, N. ALICE Collaboration

Subjects
High Energy Physics::Experiment, Nuclear Experiment
Abstract

The correlations of identical charged kaons were measured in p-Pb collisions at root s(NN) = 5.02 TeV by the ALICE experiment at the LHC. The femtoscopic invariant radii and correlation strengths were extracted from one-dimensional kaon correlation functions and were compared with those obtained in pp and Pb-Pb collisions at root s = 7 TeV and root s(NN) = 2.76 TeV, respectively. The presented results also complement the identical-pion femtoscopic data published by the ALICE collaboration. The extracted radii increase with increasing charged-particle multiplicity and decrease with increasing pair transverse momentum. At comparable multiplicities, the radii measured in p-Pb collisions are found to be close to those observed in pp collisions. The obtained femtoscopic parameters are reproduced by the EPOS 3 hadronic interaction model and disfavor models with large initial size or strong collective expansion at low multiplicities.

Published
2019

131. H-3(Lambda) and (3)((Lambda)over-bar)(H)over-bar lifetime measurement in Pb-Pb collisions at root s(NN)=5.02 TeV via two-body decay

Author

Acharya, S. Adamova, D. Adhya, S. P. Adler, A. and Adolfsson, J. Aggarwal, M. M. Rinella, G. Aglieri Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S. U. and Aiola, S. Akindinov, A. Al-Turany, M. Alam, S. N. and Albuquerque, D. S. D. Aleksandrov, D. Alessandro, B. and Alfanda, H. M. Alfaro Molina, R. Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. and Altsybeev, I Anaam, M. N. Andrei, C. Andreou, D. and Andrews, H. A. Andronic, A. Angeletti, M. Anguelov, V and Anson, C. Anticic, T. Antinori, F. Antonioli, P. Anwar, R. Apadula, N. Aphecetche, L. Appelshaeuser, H. Arcelli, S. Arnaldi, R. Arratia, M. Arsene, I. C. Arslandok, M. and Augustinus, A. Averbeck, R. Aziz, S. Azmi, M. D. and Badala, A. Baek, Y. W. Bagnasco, S. Bailhache, R. Bala, R. Baldisseri, A. Ball, M. Baral, R. C. Barbera, R. and Barioglio, L. Barnafoldi, G. G. Barnby, L. S. Barret, V and Bartalini, P. Barth, K. Bartsch, E. Bastid, N. Basu, S. and Batigne, G. Batyunya, B. Batzing, P. C. Bauri, D. and Bazo Alba, J. L. Bearden, I. G. Bedda, C. Behera, N. K. and Belikov, I Bellini, F. Bellwied, R. Beltran, L. G. E. and Belyaev, V Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, D. Bertens, R. A. Berzano, D. Betev, L. and Bhasin, A. Bhat, I. R. Bhatt, H. Bhattacharjee, B. and Bianchi, A. Bianchi, L. Bianchi, N. Bielcik, J. and Bielcikova, J. Bilandzic, A. Biro, G. Biswas, R. Biswas, S. Blair, J. T. Blau, D. Blume, C. Boca, G. Bock, F. and Bogdanov, A. Boldizsar, L. Bolozdynya, A. Bombara, M. and Bonomi, G. Bonora, M. Borel, H. Borissov, A. Borri, M. Bossi, H. Botta, E. Bourjau, C. Bratrud, L. and Braun-Munzinger, P. Bregant, M. Broker, T. A. Broz, M. and Brucken, E. J. Bruna, E. Bruno, G. E. Buckland, M. D. and Budnikov, D. Buesching, H. Bufalino, S. Bugnon, O. and Buhler, P. Buncic, P. Busch, O. Buthelezi, Z. Butt, J. B. Buxton, J. T. Caffarri, D. Caliva, A. Calvo Villar, E. Camacho, R. S. Camerini, P. Capon, A. A. Carnesecchi, F. Castellanos, J. Castillo Castro, A. J. Casula, E. A. R. and Catalano, F. Sanchez, C. Ceballos Chakraborty, P. and Chandra, S. Chang, B. Chang, W. Chapeland, S. Chartier, M. Chattopadhyay, S. Chauvin, A. Cheshkov, C. Cheynis, B. Barroso, V. Chibante Chinellato, D. D. Cho, S. and Chochula, P. Chowdhury, T. Christakoglou, P. Christensen, C. H. Christiansen, P. Chujo, T. Cicalo, C. Cifarelli, L. and Cindolo, F. Cleymans, J. Colamaria, F. Colella, D. and Collu, A. Colocci, M. Concas, M. Balbastre, G. Conesa and del Valle, Z. Conesa Contin, G. Contreras, J. G. Cormier, T. M. Morales, Y. Corrales Cortese, P. Cosentino, M. R. and Costa, F. Costanza, S. Crkovska, J. Crochet, P. Cuautle, E. Cunqueiro, L. Dabrowski, D. Dahms, T. Dainese, A. and Damas, F. P. A. Dani, S. Danisch, M. C. Danu, A. Das, D. and Das, I Das, S. Dash, A. Dash, S. Dashi, A. De, S. De Caro, A. de Cataldo, G. de Conti, C. de Cuveland, J. De Falco, A. De Gruttola, D. De Marco, N. De Pasquale, S. De Souza, R. D. Deb, S. Degenhardt, H. F. and Deisting, A. Deja, K. R. Deloff, A. Delsanto, S. and Dhankher, P. Di Bari, D. Di Mauro, A. Diaz, R. A. and Dietel, T. Dillenseger, P. Ding, Y. Divia, R. Djuvsland, O. Dmitrieva, U. Dobrin, A. Domenicis Gimenez, D. and Doenigus, B. Dordic, O. Dubey, A. K. Dubla, A. Dudi, S. and Duggal, A. K. Dukhishyam, M. Dupieux, P. Ehlers, R. J. and Elia, D. Engel, H. Epple, E. Erazmus, B. Erhardt, F. and Erokhin, A. Ersdal, M. R. Espagnon, B. Eulisse, G. and Eum, J. Evans, D. Evdokimov, S. Fabbietti, L. Faggin, M. and Faivre, J. Fantoni, A. Fasel, M. Fecchio, P. and Feldkamp, L. Feliciello, A. Feofilov, G. Fernandez Tellez, A. Ferrero, A. Ferretti, A. Festanti, A. Feuillard, V. J. G. Figiel, J. Filchagin, S. Finogeev, D. Fionda, F. M. Fiorenza, G. Flor, F. Foertsch, S. Foka, P. and Fokin, S. Fragiacomo, E. Francisco, A. Frankenfeld, U. and Fronze, G. G. Fuchs, U. Furget, C. Furs, A. Girard, M. Fusco Gaardhoje, J. J. Gagliardi, M. Gago, A. M. Gal, A. and Galvan, C. D. Ganoti, P. Garabatos, C. 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Vodopyanov, A. Volkel, B. and Voelkl, M. A. Voloshin, K. Voloshin, S. A. Volpe, G. von Haller, B. Vorobyev, I Voscek, D. Vrlakova, J. Wagner, B. Watanabe, Y. Weber, M. Weber, S. G. Wegrzynek, A. and Weiser, D. F. Wenzel, S. C. Wessels, J. P. Westerhoff, U. and Whitehead, A. M. Widmann, E. Wiechula, J. Wikne, J. and Wilk, G. Wilkinson, J. Willems, G. A. Willsher, E. and Windelband, B. Witt, W. E. Wu, Y. Xu, R. Yalcin, S. and Yamakawa, K. Yang, S. Yano, S. Yin, Z. Yokoyama, H. and Yoo, I-K Yoon, J. H. Yuan, S. Yuncu, A. Yurchenko, V and Zaccolo, V Zaman, A. Zampolli, C. Zanoli, H. J. C. and Zardoshti, N. Zarochentsev, A. Zavada, P. Zaviyalov, N. and Zbroszczyk, H. Zhalov, M. Zhang, X. Zhang, Z. Zhao, C. and Zherebchevskii, V Zhigareva, N. Zhou, D. Zhou, Y. and Zhou, Z. Zhu, J. Zhu, Y. Zichichi, A. Zimmermann, M. B. and Zinovjev, G. Zurlo, N. ALICE Collaboration

Subjects
Nuclear Theory, High Energy Physics::Experiment
Abstract

An improved value for the lifetime of the (anti-)hypertriton has been obtained using the data sample of Pb-Pb collisions at root s(NN) = 5.02 TeV collected by the ALICE experiment at the LHC. The (anti-)hypertriton has been reconstructed via its charged two-body mesonic decay channel and the lifetime has been determined from an exponential fit to the dN/d(ct) spectrum. The measured value, tau = 242(-38)(+34) (stat.) +/- 17 (syst.) ps, is compatible with representative theoretical predictions, thus contributing to the solution of the longstanding hypertriton lifetime puzzle. (C) 2019 The Author. Published by Elsevier B.V.

Published
2019

132. Measurement of Upsilon(1S) Elliptic Flow at Forward Rapidity in Pb-Pb Collisions at root s(NN)=5.02 TeV

Author

Acharya, S. Adamova, D. Adhya, S. P. Adler, A. and Adolfsson, J. Aggarwal, M. M. Rinella, G. Aglieri Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S. U. and Akindinov, A. Al-Turany, M. Alam, S. N. Albuquerque, D. S. D. Aleksandrov, D. Alessandro, B. Alfanda, H. M. Alfaro Molina, R. Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. Altsybeev, I Anaam, M. N. and Andrei, C. Andreou, D. Andrews, H. A. Andronic, A. and Angeletti, M. Anguelov, V Anson, C. Anticic, T. and Antinori, F. Antonioli, P. Anwar, R. Apadula, N. and Aphecetche, L. Appelshaeuser, H. Arcelli, S. Arnaldi, R. and Arratia, M. Arsene, I. C. Arslandok, M. Augustinus, A. and Averbeck, R. Aziz, S. Azmi, M. D. Badala, A. Baek, Y. W. and Bagnasco, S. Bai, X. Bailhache, R. Bala, R. and Baldisseri, A. Ball, M. Balouza, S. Baral, R. C. and Barbera, R. Barioglio, L. Barnafoldi, G. G. Barnby, L. S. and Barret, V Bartalini, P. Barth, K. Bartsch, E. and Baruffaldi, F. Bastid, N. Basu, S. Batigne, G. Batyunya, B. Batzing, P. C. Bauri, D. Bazo Alba, J. L. Bearden, I. G. Bedda, C. Behera, N. K. Belikov, I Bellini, F. and Bellwied, R. Belyaev, V Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, D. Bertens, R. A. Berzano, D. and Besoiu, M. G. Betev, L. Bhasin, A. Bhat, I. R. Bhat, M. A. Bhatt, H. Bhattacharjee, B. Bianchi, A. Bianchi, L. Bianchi, N. Bielcik, J. Bielcikova, J. Bilandzic, A. and Biro, G. Biswas, R. Biswas, S. Blair, J. T. Blau, D. and Blume, C. Boca, G. Bock, F. Bogdanov, A. Boldizsar, L. Bolozdynya, A. Bombara, M. Bonomi, G. Borel, H. and Borissov, A. Borri, M. Bossi, H. Botta, E. Bratrud, L. and Braun-Munzinger, P. Bregant, M. Broker, T. A. Broz, M. and Brucken, E. J. Bruna, E. Bruno, G. E. Buckland, M. D. and Budnikov, D. Buesching, H. Bufalino, S. Bugnon, O. and Buhler, P. Buncic, P. Buthelezi, Z. Butt, J. B. Buxton, J. T. Bysiak, S. A. Caffarri, D. Caliva, A. Calvo Villar, E. Camacho, R. S. Camerini, P. Capon, A. A. and Carnesecchi, F. Caron, R. Castellanos, J. Castillo Castro, A. J. Casula, E. A. R. Catalano, F. Sanchez, C. Ceballos and Chakraborty, P. Chandra, S. Chang, B. Chang, W. and Chapeland, S. Chartier, M. Chattopadhyay, S. Chauvin, A. and Cheshkov, C. Cheynis, B. Barroso, V. Chibante Chinellato, D. D. Cho, S. Chochula, P. Chowdhury, T. Christakoglou, P. and Christensen, C. H. Christiansen, P. Chujo, T. Cicalo, C. and Cifarelli, L. Cindolo, F. Cleymans, J. Colamaria, F. and Colella, D. Collu, A. Colocci, M. Concas, M. Balbastre, G. Conesa del Valle, Z. Conesa Contin, G. Contreras, J. G. and Cormier, T. M. Morales, Y. Corrales Cortese, P. and Cosentino, M. R. Costa, F. Costanza, S. Crkovska, J. and Crochet, P. Cuautle, E. Cunqueiro, L. Dabrowski, D. and Dahms, T. Dainese, A. Damas, F. P. A. Dani, S. Danisch, M. C. Danu, A. Das, D. Das, I Das, P. Das, S. and Dash, A. Dash, S. Dashi, A. De, S. De Caro, A. de Cataldo, G. de Conti, C. de Cuveland, J. De Falco, A. De Gruttola, D. De Marco, N. De Pasquale, S. De Souza, R. D. and Deb, S. Degenhardt, H. F. Deja, K. R. Deloff, A. and Delsanto, S. Devetak, D. Dhankher, P. Di Bari, D. Di Mauro, A. Diaz, R. A. Dietel, T. Dillenseger, P. Ding, Y. Divia, R. Djuvsland, O. Dmitrieva, U. Dobrin, A. and Doenigus, B. Dordic, O. Dubey, A. K. Dubla, A. Dudi, S. and Dukhishyam, M. Dupieux, P. Ehlers, R. J. Elia, D. and Engel, H. Epple, E. Erazmus, B. Erhardt, F. Erokhin, A. and Ersdal, M. R. Espagnon, B. Eulisse, G. Eum, J. and Evans, D. Evdokimov, S. Fabbietti, L. Faggin, M. Faivre, J. Fantoni, A. Fasel, M. Fecchio, P. Feliciello, A. and Feofilov, G. Fernandez Tellez, A. Ferrero, A. Ferretti, A. and Festanti, A. Feuillard, V. J. G. Figiel, J. Filchagin, S. Finogeev, D. Fionda, F. M. Fiorenza, G. Flor, F. and Foertsch, S. Foka, P. Fokin, S. Fragiacomo, E. and Frankenfeld, U. Fronze, G. G. Fuchs, U. Furget, C. Furs, A. Girard, M. Fusco Gaardhoje, J. J. Gagliardi, M. Gago, A. M. Gal, A. Galvan, C. D. Ganoti, P. Garabatos, C. and Garcia-Solis, E. Garg, K. Gargiulo, C. 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Subjects
High Energy Physics::Experiment
Abstract

The first measurement of the Upsilon(1S) elliptic flow coefficient (v(2)) is performed at forward rapidity (2.5 < y < 4) in Pb-Pb collisions at root s(NN) = 5.02 TeV with the ALICE detector at the LHC. The results are obtained with the scalar product method and are reported as a function of transverse momentum (pT) up to 15 GeV/c in the 5%-60% centrality interval. The measured Upsilon(1S)v(2) is consistent with 0 and with the small positive values predicted by transport models within uncertainties. The v(2) coefficient in 2 < p(T) < 15 GeV=c is lower than that of inclusive J/psi mesons in the same p(T) interval by 2.6 standard deviations. These results, combined with earlier suppression measurements, are in agreement with a scenario in which the Upsilon(1S) production in Pb-Pb collisions at LHC energies is dominated by dissociation limited to the early stage of the collision, whereas in the J/psi case there is substantial experimental evidence of an additional regeneration component.

Published
2019

133. Production of muons from heavy-flavour hadron decays in pp collisions at root s=5.02 TeV

Author

Acharya, S. Adamova, D. Adhya, S. P. Adler, A. and Adolfsson, J. Aggarwal, M. M. Aglieri Rinella, G. Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S. U. and Aiola, S. Akindinov, A. Al-Turany, M. Alam, S. N. and Albuquerque, D. S. D. Aleksandrov, D. Alessandro, B. and Alfanda, H. M. Alfaro Molina, R. Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. and Altsybeev, I. Anaam, M. N. Andrei, C. Andreou, D. and Andrews, H. A. Andronic, A. Angeletti, M. Anguelov, V. and Anson, C. Anticic, T. Antinori, F. Antonioli, P. Anwar, R. Apadula, N. Aphecetche, L. Appelshaeuser, H. Arcelli, S. Arnaldi, R. Arratia, M. Arsene, I. C. Arslandok, M. and Augustinus, A. Averbeck, R. Aziz, S. Azmi, M. D. and Badala, A. Baek, Y. W. Bagnasco, S. Bailhache, R. Bala, R. Baldisseri, A. Ball, M. Baral, R. C. Barbera, R. and Barioglio, L. Barnafoeldi, G. G. Barnby, L. S. Barret, V. and Bartalini, P. Barth, K. Bartsch, E. Baruffaldi, F. and Bastid, N. Basu, S. Batigne, G. Batyunya, B. Batzing, P. C. Bauri, D. Bazo Alba, J. L. Bearden, I. G. Bedda, C. and Behera, N. K. Belikov, I. Bellini, F. Bellwied, R. and Belyaev, V. Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, D. Bertens, R. A. Berzano, D. Betev, L. and Bhasin, A. Bhat, I. R. Bhatt, H. Bhattacharjee, B. and Bianchi, A. Bianchi, L. Bianchi, N. Bielcik, J. and Bielcikova, J. Bilandzic, A. Biro, G. Biswas, R. Biswas, S. Blair, J. T. Blau, D. Blume, C. Boca, G. Bock, F. and Bogdanov, A. Boldizsar, L. Bolozdynya, A. Bombara, M. and Bonomi, G. Bonora, M. Borel, H. Borissov, A. Borri, M. Bossi, H. Botta, E. Bourjau, C. Bratrud, L. and Braun-Munzinger, P. Bregant, M. Broker, T. A. Broz, M. and Brucken, E. J. Bruna, E. Bruno, G. E. Buckland, M. D. and Budnikov, D. Buesching, H. Bufalino, S. Bugnon, O. and Buhler, P. Buncic, P. Busch, O. Buthelezi, Z. Butt, J. B. Buxton, J. T. Caffarri, D. Caliva, A. Calvo Villar, E. Camacho, R. S. Camerini, P. Capon, A. A. Carnesecchi, F. Castillo Castellanos, J. Castro, A. 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Deb, S. and Degenhardt, H. F. Deisting, A. Deja, K. R. Deloff, A. and Delsanto, S. Dhankher, P. Di Bari, D. Di Mauro, A. Diaz, R. A. Dietel, T. Dillenseger, P. Ding, Y. Divia, R. and Djuvsland, O. Dmitrieva, U. Dobrin, A. Doenigus, B. and Dordic, O. Dubey, A. K. Dubla, A. Dudi, S. Duggal, A. K. and Dukhishyam, M. Dupieux, P. Ehlers, R. J. Elia, D. and Engel, H. Epple, E. Erazmus, B. Erhardt, F. Erokhin, A. and Ersdal, M. R. Espagnon, B. Eulisse, G. Eum, J. and Evans, D. Evdokimov, S. Fabbietti, L. Faggin, M. Faivre, J. Fantoni, A. Fasel, M. Fecchio, P. Feldkamp, L. and Feliciello, A. Feofilov, G. Fernandez Tellez, A. Ferrero, A. and Ferretti, A. Festanti, A. Feuillard, V. J. G. Figiel, J. and Filchagin, S. Finogeev, D. Fionda, F. M. Fiorenza, G. and Flor, F. Foertsch, S. Foka, P. Fokin, S. Fragiacomo, E. Francisco, A. Frankenfeld, U. Fronze, G. G. Fuchs, U. and Furget, C. Furs, A. Fusco Girard, M. Gaardhoje, J. J. and Gagliardi, M. Gago, A. M. Gal, A. Galvan, C. D. and Ganoti, P. Garabatos, C. Garcia-Solis, E. Garg, K. and Gargiulo, C. Garner, K. Gasik, P. Gauger, E. F. Gay Ducati, M. B. Germain, M. Ghosh, J. Ghosh, P. Ghosh, S. K. Gianotti, P. Giubellino, P. Giubilato, P. Glaessel, P. Gomez Coral, D. M. Gomez Ramirez, A. Gonzalez, V. and Gonzalez-Zamora, P. Gorbunov, S. Goerlich, L. Gotovac, S. and Grabski, V. Graczykowski, L. K. Graham, K. L. Greiner, L. Grelli, A. Grigoras, C. Grigoriev, V. Grigoryan, A. and Grigoryan, S. Groettvik, O. S. Gronefeld, J. M. Grosa, F. Grosse-Oetringhaus, J. F. Grosso, R. Guernane, R. and Guerzoni, B. Guittiere, M. Gulbrandsen, K. Gunji, T. and Gupta, A. Gupta, R. Guzman, I. B. Haake, R. Habib, M. K. and Hadjidakis, C. Hamagaki, H. Hamar, G. Hamid, M. and Hamon, J. C. Hannigan, R. Haque, M. R. Harlenderova, A. and Harris, J. W. Harton, A. Hassan, H. Hatzifotiadou, D. and Hauer, P. Hayashi, S. Heckel, S. T. Hellbaer, E. and Helstrup, H. Herghelegiu, A. Hernandez, E. G. Herrera Corral, G. Herrmann, F. Hetland, K. F. Hilden, T. E. and Hillemanns, H. Hills, C. Hippolyte, B. Hohlweger, B. and Horak, D. Hornung, S. Hosokawa, R. Hristov, P. Huang, C. and Hughes, C. Huhn, P. Humanic, T. J. Hushnud, H. and Husova, L. A. Hussain, N. Hussain, S. A. Hussain, T. and Hutter, D. Hwang, D. S. Iddon, J. P. Ilkaev, R. Inaba, M. Ippolitov, M. Islam, M. S. Ivanov, M. Ivanov, V. and Izucheev, V. Jacak, B. Jacazio, N. Jacobs, P. M. Jadhav, M. B. Jadlovska, S. Jadlovsky, J. Jaelani, S. Jahnke, C. and Jakubowska, M. J. Janik, M. A. Jercic, M. Jevons, O. and Jimenez Bustamante, R. T. Jin, M. Jonas, F. Jones, P. G. and Jusko, A. Kalinak, P. Kalweit, A. Kang, J. H. Kaplin, V. and Kar, S. Karasu Uysal, A. Karavichev, O. Karavicheva, T. and Karczmarczyk, P. Karpechev, E. Kebschull, U. Keidel, R. and Keil, M. Ketzer, B. Khabanova, Z. Khan, A. M. Khan, S. Khan, S. A. Khanzadeev, A. Kharlov, Y. Khatun, A. and Khuntia, A. Kileng, B. Kim, B. Kim, B. Kim, D. Kim, D. J. Kim, E. J. Kim, H. Kim, J. S. Kim, J. Kim, J. and Kim, J. Kim, M. 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Micheletti, L. Mieskolainen, M. M. Mihaylov, D. L. and Mikhaylov, K. Mischke, A. Mishra, A. N. Miskowiec, D. and Mitu, C. M. Mohammadi, N. Mohanty, A. P. Mohanty, B. and Mohisin Khan, M. Mondal, M. Mondal, M. M. Mordasini, C. and Moreira De Godoy, D. A. Moreno, L. A. P. Moretto, S. and Morreale, A. Morsch, A. Mrnjavac, T. Muccifora, V. and Mudnic, E. Muehlheim, D. Muhuri, S. Mulligan, J. D. and Munhoz, M. G. Muenning, K. Munzer, R. H. Murakami, H. and Murray, S. Musa, L. Musinsky, J. Myers, C. J. Myrcha, J. W. Naik, B. Nair, R. Nandi, B. K. Nania, R. Nappi, E. Naru, M. U. Nassirpour, A. F. Natal da Luz, H. and Nattrass, C. Nayak, R. Nayak, T. K. Nazarenko, S. Negrao De Oliveira, R. A. Nellen, L. Nesbo, S. V. Neskovic, G. and Nielsen, B. S. Nikolaev, S. Nikulin, S. Nikulin, V. and Noferini, F. Nomokonov, P. Nooren, G. Norman, J. and Nowakowski, P. Nyanin, A. Nystrand, J. Ogino, M. Ohlson, A. Oleniacz, J. Oliveira Da Silva, A. C. Oliver, M. H. and Onderwaater, J. Oppedisano, C. 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Vilakazi, Z. Villalobos Baillie, O. Villatoro Tello, A. Vino, G. Vinogradov, A. and Virgili, T. Vislavicius, V. Vodopyanov, A. Volkel, B. and Voelkl, M. A. Voloshin, K. Voloshin, S. A. Volpe, G. von Haller, B. Vorobyev, I. Voscek, D. Vrlakova, J. Wagner, B. Watanabe, Y. Weber, M. Weber, S. G. Wegrzynek, A. and Weiser, D. F. Wenzel, S. C. Wessels, J. P. Westerhoff, U. and Whitehead, A. M. Widmann, E. Wiechula, J. Wikne, J. and Wilk, G. Wilkinson, J. Willems, G. A. Willsher, E. and Windelband, B. Witt, W. E. Wu, Y. Xu, R. Yalcin, S. and Yamakawa, K. Yang, S. Yano, S. Yin, Z. Yokoyama, H. and Yoo, I. -K. Yoon, J. H. Yuan, S. Yuncu, A. Yurchenko, V. and Zaccolo, V. Zaman, A. Zampolli, C. Zanoli, H. J. C. and Zardoshti, N. Zarochentsev, A. Zavada, P. Zaviyalov, N. and Zbroszczyk, H. Zhalov, M. Zhang, X. Zhang, Z. Zhao, C. and Zherebchevskii, V. Zhigareva, N. Zhou, D. Zhou, Y. and Zhou, Z. Zhu, J. Zhu, Y. Zichichi, A. Zimmermann, M. B. and Zinovjev, G. Zurlo, N. AI Alikhanyan Natl Sci Lab

Subjects
High Energy Physics::Phenomenology, High Energy Physics::Experiment, Nuclear Experiment
Abstract

Production cross sections of muons from semi-leptonic decays of charm and beauty hadrons were measured at forward rapidity (2.5 < y < 4) in proton-proton (pp) collisions at a centre-of-mass energy root s = 5.02 TeV with the ALICE detector at the CERN LHC. The results were obtained in an extended transverse momentum interval, 2 < p(T)< 20 GeV/c, and with an improved precision compared to previous measurements performed in the same rapidity interval at centre-of-mass energies root s = 2.76 and 7 TeV. The p(T)- and y-differential production cross sections as well as the p(T)-differential production cross section ratios between different centre-of-mass energies and different rapidity intervals are described, within experimental and theoretical uncertainties, by predictions based on perturbative QCD.

Published
2019

134. Study of the Lambda-Lambda interaction with femtoscopy correlations in pp and p-Pbcollisions at the LHC

Author

Acharya, S. Adamova, D. Adhya, S. P. Adler, A. and Adolfsson, J. Aggarwal, M. M. Rinella, G. Aglieri Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S. U. and Aiola, S. Akindinov, A. Al-Turany, M. Alam, S. N. and Albuquerque, D. S. D. Aleksandrov, D. Alessandro, B. and Alfanda, H. M. Alfaro Molina, R. Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. and Altsybeev, I Anaam, M. N. Andrei, C. Andreou, D. and Andrews, H. A. Andronic, A. Angeletti, M. Anguelov, V and Anson, C. Anticic, T. Antinori, F. Antonioli, P. Anwar, R. Apadula, N. Aphecetche, L. Appelshaeuser, H. Arcelli, S. Arnaldi, R. Arratia, M. Arsene, I. C. Arslandok, M. and Augustinus, A. Averbeck, R. Aziz, S. Azmi, M. D. and Badala, A. Baek, Y. W. Bagnasco, S. Bailhache, R. Bala, R. Baldisseri, A. Ball, M. Baral, R. C. Barbera, R. and Barioglio, L. Barnafoldi, G. G. Barnby, L. S. Barret, V and Bartalini, P. Barth, K. Bartsch, E. Bastid, N. Basu, S. and Batigne, G. Batyunya, B. Batzing, P. C. Bauri, D. and Bazo Alba, J. L. Bearden, I. G. Bedda, C. Behera, N. K. and Belikov, I Bellini, F. Bellwied, R. Beltran, L. G. E. and Belyaev, V Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, D. Bertens, R. A. Berzano, D. Betev, L. and Bhasin, A. Bhat, I. R. Bhatt, H. Bhattacharjee, B. and Bianchi, A. Bianchi, L. Bianchi, N. Bielcik, J. and Bielcikova, J. Bilandzic, A. Biro, G. Biswas, R. Biswas, S. Blair, J. T. Blau, D. Blume, C. Boca, G. Bock, F. and Bogdanov, A. Boldizsar, L. Bolozdynya, A. Bombara, M. and Bonomi, G. Bonora, M. Borel, H. Borissov, A. Borri, M. Bossi, H. Botta, E. Bourjau, C. Bratrud, L. and Braun-Munzinger, P. Bregant, M. Broker, T. A. Broz, M. and Brucken, E. J. Bruna, E. Bruno, G. E. Buckland, M. D. and Budnikov, D. Buesching, H. Bufalino, S. Bugnon, O. and Buhler, P. Buncic, P. Busch, O. Buthelezi, Z. Butt, J. B. Buxton, J. T. Caffarri, D. Caliva, A. Calvo Villar, E. Camacho, R. S. Camerini, P. Capon, A. A. Carnesecchi, F. Castellanos, J. Castillo Castro, A. J. Casula, E. A. R. and Catalano, F. Sanchez, C. Ceballos Chakraborty, P. and Chandra, S. Chang, B. Chang, W. Chapeland, S. Chartier, M. Chattopadhyay, S. Chauvin, A. Cheshkov, C. Cheynis, B. Barroso, V. Chibante Chinellato, D. D. Cho, S. and Chochula, P. Chowdhury, T. Christakoglou, P. Christensen, C. H. Christiansen, P. Chujo, T. Cicalo, C. Cifarelli, L. and Cindolo, F. Cleymans, J. Colamaria, F. Colella, D. and Collu, A. Colocci, M. Concas, M. Balbastre, G. Conesa and del Valle, Z. Conesa Contin, G. Contreras, J. G. Cormier, T. M. Morales, Y. Corrales Cortese, P. Cosentino, M. R. and Costa, F. Costanza, S. Crkovska, J. Crochet, P. Cuautle, E. Cunqueiro, L. Dabrowski, D. Dahms, T. Dainese, A. and Damas, F. P. A. Dani, S. Danisch, M. C. Danu, A. Das, D. and Das, I Das, S. Dash, A. Dash, S. Dashi, A. De, S. De Caro, A. de Cataldo, G. de Conti, C. de Cuveland, J. De Falco, A. De Gruttola, D. De Marco, N. De Pasquale, S. De Souza, R. D. Deb, S. Degenhardt, H. 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Vodopyanov, A. Volkel, B. and Voelkl, M. A. Voloshin, K. Voloshin, S. A. Volpe, G. von Haller, B. Vorobyev, I Voscek, D. Vrlakova, J. Wagner, B. Watanabe, Y. Weber, M. Weber, S. G. Wegrzynek, A. and Weiser, D. F. Wenzel, S. C. Wessels, J. P. Westerhoff, U. and Whitehead, A. M. Widmann, E. Wiechula, J. Wikne, J. and Wilk, G. Wilkinson, J. Willems, G. A. Willsher, E. and Windelband, B. Witt, W. E. Wu, Y. Xu, R. Yalcin, S. and Yamakawa, K. Yang, S. Yano, S. Yin, Z. Yokoyama, H. and Yoo, I-K Yoon, J. H. Yuan, S. Yuncu, A. Yurchenko, V and Zaccolo, V Zaman, A. Zampolli, C. Zanoli, H. J. C. and Zardoshti, N. Zarochentsev, A. Zavada, P. Zaviyalov, N. and Zbroszczyk, H. Zhalov, M. Zhang, X. Zhang, Z. Zhao, C. and Zherebchevskii, V Zhigareva, N. Zhou, D. Zhou, Y. and Zhou, Z. Zhu, J. Zhu, Y. Zichichi, A. Zimmermann, M. B. and Zinovjev, G. Zurlo, N. ALICE Collaboration

Abstract

This work presents new constraints on the existence and the binding energy of a possible Lambda-Lambda bound state, the H-dibaryon, derived from Lambda-Lambda femtoscopic measurements by the ALICE collaboration. The results are obtained from a new measurement using the femtoscopy technique in pp collisions at root s = 13 TeV and p-Pb collisions at root s(NN) = 5.02 TeV, combined with previously published results from pp collisions at root s = 7 TeV. The Lambda-Lambda scattering parameter space, spanned by the inverse scattering length f(0)(-1) and the effective range d(0), is constrained by comparing the measured Lambda-Lambda correlation function with calculations obtained within the Lednicky model. The data are compatible with hypernuclei results and lattice computations, both predicting a shallow attractive interaction, and permit to test different theoretical approaches describing the Lambda-Lambda interaction. The region in the (f(0)(-1), d(0)) plane which would accommodate a Lambda-Lambda bound state is substantially restricted compared to previous studies. The binding energy of the possible Lambda-Lambda bound state is estimated within an effective-range expansion approach and is found to be B-Lambda Lambda = 3.2(-2.4)(+1.6)(stat)(-1.0)(+1.8)(syst) MeV. (C) 2019 The Author(s). Published by Elsevier B.V.

Published
2019

135. Measurement of jet radial profiles in Pb–Pb collisions at sNN=2.76 TeV

Author

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Dubey, A.K. Dubla, A. Dudi, S. Dukhishyam, M. Dupieux, P. Ehlers, R.J. Elia, D. Engel, H. Epple, E. Erazmus, B. Erhardt, F. Erokhin, A. Ersdal, M.R. Espagnon, B. Eulisse, G. Eum, J. Evans, D. Evdokimov, S. Fabbietti, L. Faggin, M. Faivre, J. Fantoni, A. Fasel, M. Fecchio, P. Feldkamp, L. Feliciello, A. Feofilov, G. Fernández Téllez, A. Ferrero, A. Ferretti, A. Festanti, A. Feuillard, V.J.G. Figiel, J. Filchagin, S. Finogeev, D. Fionda, F.M. Fiorenza, G. Flor, F. Foertsch, S. Foka, P. Fokin, S. Fragiacomo, E. Frankenfeld, U. Fronze, G.G. Fuchs, U. Furget, C. Furs, A. Fusco Girard, M. Gaardhøje, J.J. Gagliardi, M. Gago, A.M. Gal, A. Galvan, C.D. Ganoti, P. Garabatos, C. Garcia-Solis, E. Garg, K. Gargiulo, C. Garner, K. Gasik, P. Gauger, E.F. Gay Ducati, M.B. Germain, M. Ghosh, J. Ghosh, P. Ghosh, S.K. Gianotti, P. Giubellino, P. Giubilato, P. Glässel, P. Goméz Coral, D.M. Gomez Ramirez, A. Gonzalez, V. González-Zamora, P. Gorbunov, S. Görlich, L. Gotovac, S. Grabski, V. Graczykowski, L.K. Graham, K.L. Greiner, L. Grelli, A. Grigoras, C. Grigoriev, V. Grigoryan, A. Grigoryan, S. Groettvik, O.S. Gronefeld, J.M. Grosa, F. Grosse-Oetringhaus, J.F. Grosso, R. Guernane, R. Guerzoni, B. Guittiere, M. Gulbrandsen, K. Gunji, T. Gupta, A. Gupta, R. Guzman, I.B. Haake, R. Habib, M.K. Hadjidakis, C. Hamagaki, H. Hamar, G. Hamid, M. Hannigan, R. Haque, M.R. Harlenderova, A. Harris, J.W. Harton, A. Hasenbichler, J.A. Hassan, H. Hatzifotiadou, D. Hauer, P. Hayashi, S. Heckel, S.T. Hellbär, E. Helstrup, H. Herghelegiu, A. Hernandez, E.G. Herrera Corral, G. Herrmann, F. Hetland, K.F. Hilden, T.E. Hillemanns, H. Hills, C. Hippolyte, B. Hohlweger, B. Horak, D. Hornung, S. Hosokawa, R. Hristov, P. Huang, C. Hughes, C. Huhn, P. Humanic, T.J. Hushnud, H. Husova, L.A. Hussain, N. Hussain, S.A. Hussain, T. Hutter, D. Hwang, D.S. Iddon, J.P. Ilkaev, R. Inaba, M. Ippolitov, M. Islam, M.S. Ivanov, M. Ivanov, V. Izucheev, V. Jacak, B. Jacazio, N. Jacobs, P.M. Jadhav, M.B. Jadlovska, S. Jadlovsky, J. Jaelani, S. Jahnke, C. Jakubowska, M.J. Janik, M.A. Jercic, M. Jevons, O. Jimenez Bustamante, R.T. Jin, M. Jonas, F. Jones, P.G. Jusko, A. Kalinak, P. Kalweit, A. Kang, J.H. Kaplin, V. Kar, S. Karasu Uysal, A. Karavichev, O. Karavicheva, T. Karczmarczyk, P. Karpechev, E. Kebschull, U. Keidel, R. Keil, M. Ketzer, B. Khabanova, Z. Khan, A.M. Khan, S. Khan, S.A. Khanzadeev, A. Kharlov, Y. Khatun, A. Khuntia, A. Kileng, B. Kim, B. Kim, D. Kim, D.J. Kim, E.J. Kim, H. Kim, J. Kim, J.S. Kim, M. Kim, S. Kim, T. Kirsch, S. Kisel, I. Kiselev, S. Kisiel, A. Klay, J.L. Klein, C. Klein, J. Klein, S. Klein-Bösing, C. Klewin, S. Kluge, A. Knichel, M.L. Knospe, A.G. Kobdaj, C. Köhler, M.K. Kollegger, T. Kondratyev, A. Kondratyeva, N. Kondratyuk, E. Konopka, P.J. Koska, L. Kovalenko, O. Kovalenko, V. Kowalski, M. Králik, I. Kravčáková, A. Kreis, L. Krivda, M. Krizek, F. Krizkova Gajdosova, K. Krüger, M. Kryshen, E. Krzewicki, M. Kubera, A.M. Kučera, V. Kuhn, C. Kuijer, P.G. Kumar, L. Kumar, S. Kundu, S. Kurashvili, P. Kurepin, A. Kurepin, A.B. Kushpil, S. Kvapil, J. Kweon, M.J. Kwon, J.Y. Kwon, Y. La Pointe, S.L. La Rocca, P. Lai, Y.S. Langoy, R. Lapidus, K. Lardeux, A. Larionov, P. Laudi, E. Lavicka, R. Lazareva, T. Lea, R. Leardini, L. Lee, S. Lehas, F. Lehner, S. Lehrbach, J. Lemmon, R.C. León Monzón, I. Lesser, E.D. Lettrich, M. Lévai, P. Li, X. Li, X.L. Lien, J. Lietava, R. Lim, B. Lindal, S. Lindenstruth, V. Lindsay, S.W. Lippmann, C. Lisa, M.A. Litichevskyi, V. Liu, A. Liu, S. Llope, W.J. Lofnes, I.M. Loginov, V. Loizides, C. Loncar, P. Lopez, X. López Torres, E. Luettig, P. Luhder, J.R. Lunardon, M. Luparello, G. Lupi, M. Maevskaya, A. Mager, M. Mahmood, S.M. Mahmoud, T. Maire, A. Majka, R.D. Malaev, M. Malik, Q.W. Malinina, L. Mal'Kevich, D. Malzacher, P. Mamonov, A. Manko, V. Manso, F. Manzari, V. Mao, Y. Marchisone, M. Mareš, J. Margagliotti, G.V. Margotti, A. Margutti, J. Marín, A. Markert, C. Marquard, M. Martin, N.A. Martinengo, P. Martinez, J.L. Martínez, M.I. Martínez García, G. Martinez Pedreira, M. Masciocchi, S. Masera, M. Masoni, A. Massacrier, L. Masson, E. Mastroserio, A. Mathis, A.M. Matuoka, P.F.T. Matyja, A. Mayer, C. Mazzilli, M. Mazzoni, M.A. Mechler, A.F. Meddi, F. Melikyan, Y. Menchaca-Rocha, A. Meninno, E. Meres, M. Mhlanga, S. Miake, Y. Micheletti, L. Mieskolainen, M.M. Mihaylov, D.L. Mikhaylov, K. Mischke, A. Mishra, A.N. Miśkowiec, D. Mitu, C.M. Mohammadi, N. Mohanty, A.P. Mohanty, B. Mohisin Khan, M. Mondal, M. Mondal, M.M. Mordasini, C. Moreira De Godoy, D.A. Moreno, L.A.P. Moretto, S. Morreale, A. Morsch, A. Mrnjavac, T. Muccifora, V. Mudnic, E. Mühlheim, D. Muhuri, S. Mulligan, J.D. Munhoz, M.G. Münning, K. Munzer, R.H. Murakami, H. Murray, S. Musa, L. Musinsky, J. Myers, C.J. Myrcha, J.W. Naik, B. Nair, R. Nandi, B.K. Nania, R. Nappi, E. Naru, M.U. Nassirpour, A.F. Natal da Luz, H. Nattrass, C. Nayak, R. Nayak, T.K. Nazarenko, S. Negrao De Oliveira, R.A. Nellen, L. Nesbo, S.V. Neskovic, G. Nielsen, B.S. Nikolaev, S. Nikulin, S. Nikulin, V. Noferini, F. Nomokonov, P. Nooren, G. Norman, J. Nowakowski, P. Nyanin, A. Nystrand, J. Ogino, M. Ohlson, A. Oleniacz, J. Oliveira Da Silva, A.C. Oliver, M.H. Oppedisano, C. Orava, R. Ortiz Velasquez, A. Oskarsson, A. Otwinowski, J. Oyama, K. Pachmayer, Y. Pacik, V. Pagano, D. Paić, G. Palni, P. Pan, J. Pandey, A.K. Panebianco, S. Papikyan, V. Pareek, P. Park, J. Parkkila, J.E. Parmar, S. Passfeld, A. Pathak, S.P. Patra, R.N. Paul, B. Pei, H. Peitzmann, T. Peng, X. Pereira, L.G. Pereira Da Costa, H. Peresunko, D. Perez, G.M. Perez Lezama, E. Peskov, V. Pestov, Y. Petráček, V. Petrovici, M. Pezzi, R.P. Piano, S. Pikna, M. Pillot, P. Pimentel, L.O.D.L. Pinazza, O. Pinsky, L. Pisano, S. Piyarathna, D.B. Płoskoń, M. Planinic, M. Pliquett, F. Pluta, J. Pochybova, S. Poghosyan, M.G. Polichtchouk, B. Poljak, N. Poonsawat, W. Pop, A. Poppenborg, H. Porteboeuf-Houssais, S. Pozdniakov, V. Prasad, S.K. Preghenella, R. Prino, F. Pruneau, C.A. Pshenichnov, I. Puccio, M. Punin, V. Puranapanda, K. Putschke, J. Quishpe, R.E. Ragoni, S. Raha, S. Rajput, S. Rak, J. Rakotozafindrabe, A. Ramello, L. Rami, F. Raniwala, R. Raniwala, S. Räsänen, S.S. Rascanu, B.T. Rath, R. Ratza, V. Ravasenga, I. Read, K.F. Redlich, K. Rehman, A. Reichelt, P. Reidt, F. Ren, X. Renfordt, R. Reshetin, A. Revol, J.-P. Reygers, K. Riabov, V. Richert, T. Richter, M. Riedler, P. Riegler, W. Riggi, F. Ristea, C. Rode, S.P. Rodríguez Cahuantzi, M. Røed, K. Rogalev, R. Rogochaya, E. Rohr, D. Röhrich, D. Rokita, P.S. Ronchetti, F. Rosas, E.D. Roslon, K. Rosnet, P. Rossi, A. Rotondi, A. Roukoutakis, F. Roy, A. Roy, P. Rueda, O.V. Rui, R. Rumyantsev, B. Rustamov, A. Ryabinkin, E. Ryabov, Y. Rybicki, A. Rytkonen, H. Saarinen, S. Sadhu, S. Sadovsky, S. Šafařík, K. Saha, S.K. Sahoo, B. Sahoo, P. Sahoo, R. Sahoo, S. Sahu, P.K. Saini, J. Sakai, S. Sambyal, S. Samsonov, V. Sandoval, A. Sarkar, A. Sarkar, D. Sarkar, N. Sarma, P. Sarti, V.M. Sas, M.H.P. Scapparone, E. Schaefer, B. Schambach, J. Scheid, H.S. Schiaua, C. Schicker, R. Schmah, A. Schmidt, C. Schmidt, H.R. Schmidt, M.O. Schmidt, M. Schmidt, N.V. Schmier, A.R. Schukraft, J. Schutz, Y. Schwarz, K. Schweda, K. Scioli, G. Scomparin, E. Šefčík, M. Seger, J.E. Sekiguchi, Y. Sekihata, D. Selyuzhenkov, I. Senyukov, S. Serebryakov, D. Serradilla, E. Sett, P. Sevcenco, A. Shabanov, A. Shabetai, A. Shahoyan, R. Shaikh, W. Shangaraev, A. Sharma, A. Sharma, M. Sharma, N. Sheikh, A.I. Shigaki, K. Shimomura, M. Shirinkin, S. Shou, Q. Sibiriak, Y. Siddhanta, S. Siemiarczuk, T. Silvermyr, D. Simatovic, G. Simonetti, G. Singh, R. Singh, V.K. Singhal, V. Sinha, T. Sitar, B. Sitta, M. Skaali, T.B. Slupecki, M. Smirnov, N. Snellings, R.J.M. Snellman, T.W. Sochan, J. Soncco, C. Song, J. Songmoolnak, A. Soramel, F. Sorensen, S. Sputowska, I. Stachel, J. Stan, I. Stankus, P. Steffanic, P.J. Stenlund, E. Stocco, D. Storetvedt, M.M. Strmen, P. Suaide, A.A.P. Sugitate, T. Suire, C. Suleymanov, M. Suljic, M. Sultanov, R. Šumbera, M. Sumowidagdo, S. Suzuki, K. Swain, S. Szabo, A. Szarka, I. Tabassam, U. Taillepied, G. Takahashi, J. Tambave, G.J. Tang, S. Tarhini, M. Tarzila, M.G. Tauro, A. Tejeda Muñoz, G. Telesca, A. Terrevoli, C. Thakur, D. Thakur, S. Thomas, D. Thoresen, F. Tieulent, R. Tikhonov, A. Timmins, A.R. Toia, A. Topilskaya, N. Toppi, M. Torales-Acosta, F. Torres, S.R. Tripathy, S. Tripathy, T. Trogolo, S. Trombetta, G. Tropp, L. Trubnikov, V. Trzaska, W.H. Trzcinski, T.P. Trzeciak, B.A. Tsuji, T. Tumkin, A. Turrisi, R. Tveter, T.S. Ullaland, K. Umaka, E.N. Uras, A. Usai, G.L. Utrobicic, A. Vala, M. Valle, N. Vallero, S. van der Kolk, N. van Doremalen, L.V.R. van Leeuwen, M. Vande Vyvre, P. Varga, D. Varga-Kofarago, M. Vargas, A. Vargyas, M. Varma, R. Vasileiou, M. Vasiliev, A. Vázquez Doce, O. Vechernin, V. Veen, A.M. Vercellin, E. Vergara Limón, S. Vermunt, L. Vernet, R. Vértesi, R. Vickovic, L. Viinikainen, J. Vilakazi, Z. Villalobos Baillie, O. Villatoro Tello, A. Vino, G. Vinogradov, A. Virgili, T. Vislavicius, V. Vodopyanov, A. Volkel, B. Völkl, M.A. Voloshin, K. Voloshin, S.A. Volpe, G. von Haller, B. Vorobyev, I. Voscek, D. Vrláková, J. Wagner, B. Watanabe, Y. Weber, M. Weber, S.G. Wegrzynek, A. Weiser, D.F. Wenzel, S.C. Wessels, J.P. Widmann, E. Wiechula, J. Wikne, J. Wilk, G. Wilkinson, J. Willems, G.A. Willsher, E. Windelband, B. Witt, W.E. Wu, Y. Xu, R. Yalcin, S. Yamakawa, K. Yang, S. Yano, S. Yin, Z. Yokoyama, H. Yoo, I.-K. Yoon, J.H. Yuan, S. Yuncu, A. Yurchenko, V. Zaccolo, V. Zaman, A. Zampolli, C. Zanoli, H.J.C. Zardoshti, N. Zarochentsev, A. Závada, P. Zaviyalov, N. Zbroszczyk, H. Zhalov, M. Zhang, X. Zhang, Z. Zhao, C. Zherebchevskii, V. Zhigareva, N. Zhou, D. Zhou, Y. Zhou, Z. Zhu, J. Zhu, Y. Zichichi, A. Zimmermann, M.B. Zinovjev, G. Zurlo, N.

Subjects
Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Experiment, Nuclear Experiment
Abstract

The jet radial structure and particle transverse momentum (pT) composition within jets are presented in centrality-selected Pb–Pb collisions at sNN=2.76 TeV. Track-based jets, which are also called charged jets, were reconstructed with a resolution parameter of R=0.3 at midrapidity |ηch jet

Published
2019

136. Three-Dimensional Mapping of Cycling Changes in Silicon-Graphite Composite Anodes Via Scanning Probe Microscopy

Author

Mowafak Al-Jassim, Yeyoung Ha, Zoey Huey, Steven C. DeCaluwe, Chun-Sheng Jiang, Sang-Don Han, Donal P. Finegan, and Andrew G. Norman

Subjects
Scanning probe microscopy, Materials science, Silicon, chemistry, chemistry.chemical_element, Composite material, Cycling, Anode, Graphite composite
Abstract

Silicon (Si) anodes have the potential to greatly improve the energy density of lithium-ion batteries due to the greater specific capacity of Si relative to standard graphite (Gr) anodes (1). However, Si anode implementation is limited by issues such as volumetric expansion during cycling and an unstable solid-electrolyte interphase (SEI). Composite anodes with Si and Gr particles can increase capacity while mitigating Si anode degradation. However, these electrodes can be challenging to characterize (and therefore optimize) due to their multiple components, heterogeneous surfaces, and the complex processes occurring there. Scanning spreading resistance microscopy (SSRM) is a form of scanning probe microscopy that measures local resistivity in a sample. By removing material with the probe tip while measuring resistivity, three-dimensional resistivity maps can be determined (2). For Si-Gr composite anodes, the different resistivities of the electrode components (e.g., Si, Gr, carbon, and lithium polyacrylate binder) allows direct identification through SSRM. 3D nanoscale volumes can then be created for both the whole electrode and the individual components. This presentation will demonstrate 3D SSRM mapping of pristine and cycled anodes with three compositions – Si, Gr, and Si-Gr. By comparing changes in the morphology, thickness, and resistivity in the active material and SEI in each single-component electrode, the component distribution and evolution of the Si-Gr composite anode is better understood. SSRM results will be compared to chemical analysis techniques such as scanning transmission electron microscopy, energy dispersive x-ray spectroscopy, and electron energy loss spectroscopy to verify the component identification and to correlate chemical composition to resistivity. These data will then be correlated to electrochemical performance and used to further the development of Si-Gr electrodes with enhanced performance. W.-J. Zhang, Journal of Power Sources, 196, 13 (2011). C. Stetson, Z. Huey, A. Downard, Z. Li, B. To, A. Zakutayev, C. S. Jiang, M. M. Al-Jassim, D. P. Finegan, S. D. Han and S. C. DeCaluwe, Nano Lett (2020). Figure 1

Published
2021
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137. Iron and manganese distribution in nodules from a young Texas Vertisol

Author

White, G. Norman and Dixon, J.B.

Subjects
Texas -- Environmental aspects, Iron -- Research, Manganese -- Research, Soils -- Composition, Earth sciences
Abstract

Iron and Mn distributions in the black nodules from the BCk3 horizon of the microlow position of a Burleson soil, a fine, montmorillonitic, thermic, Udic Haplustert, from a terrace of the Brazos River were mapped with scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS) x-ray analysis. Spherical nodules were concentrically banded, and the irregularly shaped nodules lacked well-developed banding of Fe and Mn. More and better expressed banding was found by decreasing pixel size used for mapping and by increasing the count time per pixel for banded nodules. Bands of higher or lower Fe and Mn concentration were not coincident. The Mn/Fe weight ratios of individual nodules analyzed by EDS were between 0.71 to 2.85. Banded nodules had a narrower range of Mn and Fe concentrations and a narrower range in Mn to Fe ratios than unbanded nodules. Barium concentration in the nodules was unusually high, averaging 30 g [kg.sup.-1], and correlated strongly with Mn concentration. Some interelement correlations (e.g., Fe vs. Mn, r = -0.5.6; Fe vs. Al, r = -0.58) reflected partitioning into the oxide or silicate minerals of the soil. Fractured nodules revealed the interior to have only a few very small pores. The 30 nodules examined are well developed solid bodies that are expected to persist in the soil environment. They appear to contain unique and important information about the weathering history of the Burleson soil and the landscape in which it occurs. The order and expression of the banding is a relict of the redox history of the nodules, which can be used to induce the redox history of the soil.

Published
1996

138. Mg x Zn1−x O contact to CuGa3Se5 absorber for photovoltaic and photoelectrochemical devices

Author

Andriy Zakutayev, Christopher P. Muzzillo, Nicolas Gaillard, Imran Khan, James L. Young, Craig L. Perkins, and Andrew G. Norman

Subjects
General Energy, Materials science, business.industry, Materials Science (miscellaneous), Photovoltaic system, Materials Chemistry, Optoelectronics, business
Abstract

CuGa3Se5 is a promising candidate material with wide band gap for top cells in tandem photovoltaic and photoelectrochemical (PEC) devices. However, traditional CdS contact layers used with other chalcopyrite absorbers are not suitable for CuGa3Se5 due to the higher position of its conduction band (CB) minimum. Mg x Zn1− x O (MZO) is a transparent oxide with adjustable band gap and CB position as a function of magnesium composition, but its direct application is hindered by CuGa3Se5 surface oxidation. Here, MZO is investigated as a contact (n-type ‘buffer’ or ‘window’) material to CuGa3Se5 absorbers pretreated in Cd2+ solution, and an onset potential close to 1 V vs reversible hydrogen electrode in 10 mM hexaammineruthenium (III) chloride electrolyte is demonstrated. The Cd2+ surface treatment changes the chemical composition and electronic structure of the CuGa3Se5 surface, as demonstrated by photoelectron spectroscopy measurements. The performance of CuGa3Se5 absorber with Cd2+ treated surface in the solid-state test structure depends on the Zn/Mg ratio in the MZO layer. The measured open circuit voltage of 925 mV is promising for tandem PEC water splitting with CuGa3Se5/MZO top cells.

Published
2021
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139. Evolution of solid electrolyte interphase and active material in the silicon wafer model system

Author

Mowafak Al-Jassim, Andrew G. Norman, Chunmei Ban, Manuel Schnabel, Caleb Stetson, Steven P. Harvey, Chun-Sheng Jiang, Steven C. DeCaluwe, and Yanli Yin

Subjects
Materials science, Silicon, Spreading resistance profiling, Renewable Energy, Sustainability and the Environment, business.industry, Energy Engineering and Power Technology, chemistry.chemical_element, 02 engineering and technology, Electrolyte, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, 0104 chemical sciences, Anode, Secondary ion mass spectrometry, Scanning probe microscopy, chemistry, Scanning transmission electron microscopy, Optoelectronics, Wafer, Electrical and Electronic Engineering, Physical and Theoretical Chemistry, 0210 nano-technology, business
Abstract

Alloying anode materials for lithium-ion batteries, such as silicon (Si), are an important focus of materials research due to the demand for increased energy density for electric vehicles and stationary grid storage. However, progress towards next generation anode materials has been hindered by poor capacity retention due to the instability of the Si active material and the solid electrolyte interphase (SEI). In this work, the evolution of the active Si material and the SEI are simultaneously investigated from the perspective of chemical, structural, morphological, and electronic evolution in the Si wafer model system through its cycling life, using time-of-flight secondary ion mass spectrometry (TOF-SIMS), scanning transmission electron microscopy (STEM), atomic force microscopy (AFM), and scanning spreading resistance microscopy (SSRM). The results illustrate a dynamic evolution of the SEI and active Si material through cycling. Through an improved understanding of evolution of SEI and Si active material within the Si wafer model system, mitigation strategies may be designed to extend the lifetime of Si anodes.

Published
2021
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140. Forensic 3D printing from micro-CT for court use- process validation

Author

Michael Donnelly, Danielle G. Norman, Waltraud Baier, and Mark A. Williams

Subjects
Engineering drawing, 3d printed, Rib Fractures, Swine, Computer science, business.industry, Micro computed tomography, 3D printing, Ribs, 3d scanning, 3d model, X-Ray Microtomography, Process validation, Pathology and Forensic Medicine, Forensic science, Models, Animal, Printing, Three-Dimensional, Animals, Forensic Anthropology, Humans, business, Micro ct, Law, Metatarsal Bones, Software
Abstract

Forensic application of 3D scanning and printing technology is gaining momentum with 3D printed evidence starting to be produced for court. However, the processes for creating these forensic 3D models requires still rigorous assessment to ensure they adhere to the relevant legal standards. Although, previous work has examined the accuracy of 3D prints created from medical grade Computed Tomography (CT), no such assessment has been carried out for Micro Computed Tomography (micro-CT) which offers superior resolution and the ability to capture forensically relevant injuries. This study aimed to quantify the error rates associated with forensic 3D printed models and toolmarks, created using three different printing technologies, based on micro-CT data. Overall, 3D printed models, based on micro-CT scans, replicate bone surface geometry to sub-millimetre accuracy (

Published
2021
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141. Application of templated vapor-liquid-solid growth to heteroepitaxy of InP on Si

Author

Jeramy D. Zimmerman, Andrew G. Norman, John S. Mangum, Olivia D. Schneble, Anica Neumann, and Emily L. Warren

Subjects
Liquid metal, Fabrication, Materials science, business.industry, Surfaces and Interfaces, Substrate (electronics), Condensed Matter Physics, Surfaces, Coatings and Films, Semiconductor, Optoelectronics, Wafer, Crystallite, business, Electroplating, Layer (electronics)
Abstract

Direct growth of III–V semiconductors on Si promises to combine the superior optoelectronic properties of III–Vs with the existing large-scale fabrication capabilities for Si. Vapor-liquid-solid-based growth techniques have previously been used to grow optoelectronic-quality III–Vs in polycrystalline films and various photolithography-defined features. We show that templated vapor-liquid-solid growth can produce epitaxial material when performed on crystalline substrates. In templated vapor-liquid-solid growth, the metal group-III precursor is evaporated along with a capping SiO 2 layer on the crystalline substrate, then melted and converted with exposure to a vapor-phase group-V precursor. We demonstrate homoepitaxial growth of InP on InP wafers using two forms of the SiO x capping layer to confine the liquid metal: evaporated SiO 2 and solgel SiO x, the latter of which is necessary for growth on Si. We then demonstrate heteroepitaxial growth of InP islands on Si substrates from both evaporated and electroplated In metals. The templated vapor-liquid-solid process provides better material utilization and growth rates than common vapor-phase techniques, with similar control and convenience, providing a path toward the large-scale fabrication of integrated optoelectronic components.

Published
2021
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144. To Save the Country : A Lost Treatise on Martial Law

Author

Francis Lieber, G. Norman Lieber, Will Smiley, Francis Lieber, G. Norman Lieber, and Will Smiley

Subjects
Martial law
Abstract

A Civil War-era treatise addressing the power of governments in moments of emergency The last work of Abraham Lincoln's law of war expert Francis Lieber was long considered lost—until Will Smiley and John Fabian Witt discovered it in the National Archives. Lieber's manuscript on emergency powers and martial law addresses important contemporary debates in law and political philosophy and stands as a significant historical discovery. As a key legal advisor to the Lincoln White House, Columbia College professor Francis Lieber was one of the architects and defenders of Lincoln's most famous uses of emergency powers during the Civil War. Lieber's work laid the foundation for rules now accepted worldwide. In the years after the war, Lieber and his son turned their attention to the question of emergency powers. The Liebers'treatise addresses a vital question, as prominent since 9/11 as it was in Lieber's lifetime: how much power should the government have in a crisis? The Liebers present a theory that aims to preserve legal restraint, while giving the executive necessary freedom of action. Smiley and Witt have written a lucid introduction that explains how this manuscript is a key discovery in two ways: both as a historical document and as an important contribution to the current debate over emergency powers in constitutional democracies.

Published
2019

145. Synthesis and Characterization of (Sn,Zn)O Alloys

Author

Sebastian Siol, Andrew G. Norman, Stephan Lany, Aaron M. Holder, André Bikowski, Haowei Peng, and Andriy Zakutayev

Subjects
Materials science, Valence (chemistry), General Chemical Engineering, Alloy, chemistry.chemical_element, 02 engineering and technology, General Chemistry, Partial pressure, engineering.material, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, 0104 chemical sciences, chemistry, Attenuation coefficient, Metastability, Materials Chemistry, engineering, Physical chemistry, Direct and indirect band gaps, Thin film, 0210 nano-technology, Tin
Abstract

SnO exhibits electrical properties that render it promising for solar energy conversion applications, but it also has a strongly indirect band gap. Recent theoretical calculations predict that this disadvantage can be mitigated by isovalent alloying with other group II oxides, such as ZnO. Here, we have synthesized new metastable isovalent (Sn,Zn)O alloy thin films by combinatorial reactive co-sputtering and characterized their structural, optical, and electrical properties. The alloying of ZnO into SnO leads to a change of the valence state of the tin from Sn0 via Sn2+ to Sn4+, which can be counteracted by reducing the oxygen partial pressure during the deposition. The optical characterization of the smooth

Published
2016
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146. Surfaces and interfaces governing the OMVPE growth of APD-free GaP on AsH3-cleaned vicinal Si(100)

Author

William E. McMahon, Emily L. Warren, Alan E. Kibbler, Ryan M. France, Andrew G. Norman, Robert C. Reedy, Jerry M. Olson, Adele C. Tamboli, and Paul Stradins

Subjects
010302 applied physics, Carbon contamination, Materials science, Atmospheric oxygen, Nanotechnology, 02 engineering and technology, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Epitaxy, 01 natural sciences, Engineering physics, Inorganic Chemistry, 0103 physical sciences, Materials Chemistry, Analysis tools, 0210 nano-technology, Atmospheric contamination, Vicinal
Abstract

Direct growth of GaP on Si enables the integration of III–V and Si optoelectronic devices for a wide variety of applications, and has therefore been the subject of much research for many decades. Most of this effort has been directed toward overcoming the two main technical challenges: 1) removing atmospheric oxygen and carbon contamination and 2) establishing the conditions needed for “APD-free” III–V epitaxy ( i.e ., without antiphase domains). We have developed an OMVPE process for APD-free GaP growth on Si which overcomes both challenges by using AsH 3 to clean and prepare the Si surface in situ at a relatively low temperature. This process is based upon a very brief “AsH 3 -cleaning” step which simultaneously removes atmospheric contamination (thereby eliminating the need for Si regrowth) and creates a single-domain As-terminated Si surface. Here we discuss the key process steps using results from a suite of analysis tools.

Published
2016
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147. Intra- and inter-laboratory reproducibility and accuracy of the LuSens assay: A reporter gene-cell line to detect keratinocyte activation by skin sensitizers

Author

Paul Beilstein, Alexandra Aumann, Kimberly G. Norman, Sebastian Hoffmann, Markus Fehr, Xiaohong Wang, Amber Edwards, Florence Burleson, Annette Mehling, Frank Gerberick, Tina Remus, Cindy A. Ryan, Bennard van Ravenzwaay, Tzutzuy Ramirez, Robert Landsiedel, Jackie E. Bader, Nadine Stein, and Leslie M. Foertsch

Subjects
Keratinocytes, 0301 basic medicine, Pathology, medicine.medical_specialty, NF-E2-Related Factor 2, Computational biology, 010501 environmental sciences, Animal Testing Alternatives, Dermatitis, Contact, Toxicology, Sensitivity and Specificity, 01 natural sciences, Cell Line, 03 medical and health sciences, Genes, Reporter, In vivo, medicine, Humans, Bioassay, Inter-laboratory, Luciferases, Reliability (statistics), 0105 earth and related environmental sciences, Reproducibility, Reporter gene, business.industry, Reproducibility of Results, Keratinocyte activation, General Medicine, Allergens, Antioxidant Response Elements, 030104 developmental biology, Cell culture, Biological Assay, Laboratories, business
Abstract

Several non-animal methods are now available to address the key events leading to skin sensitization as defined by the adverse outcome pathway. The KeratinoSens™ assay addresses the cellular event of keratinocyte activation and is a method accepted under OECD TG 442D. In this study, the results of an inter-laboratory evaluation of the “me-too” LuSens assay, a bioassay that uses a human keratinocyte cell line harboring a reporter gene construct composed of the rat antioxidant response element (ARE) of the NADPH:quinone oxidoreductase 1 gene and the luciferase gene, are described. Earlier in-house validation with 74 substances showed an accuracy of 82% in comparison to human data. When used in a battery of non-animal methods, even higher predictivity is achieved. To meet European validation criteria, a multicenter study was conducted in 5 laboratories. The study was divided into two phases, to assess 1) transferability of the method, and 2) reproducibility and accuracy. Phase I was performed by testing 8 non-coded test substances; the results showed a good transferability to naïve laboratories even without on-site training. Phase II was performed with 20 coded test substances (performance standards recommended by OECD, 2015). In this phase, the intra- and inter-laboratory reproducibility as well as accuracy of the method was evaluated. The data demonstrate a remarkable reproducibility of 100% and an accuracy of over 80% in identifying skin sensitizers, indicating a good concordance with in vivo data. These results demonstrate good transferability, reliability and accuracy of the method thereby achieving the standards necessary for use in a regulatory setting to detect skin sensitizers.

Published
2016
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148. Prevention and Early Intervention Program for Psychoses (PEPP)

Author

Ross M G, Norman and Rahul, Manchanda

Subjects
medicine.medical_specialty, Research program, Intervention program, business.industry, Research, MEDLINE, 030227 psychiatry, 03 medical and health sciences, Early Diagnosis, 0302 clinical medicine, Psychotic Disorders, System transformation, Intervention (counseling), Medicine, Effective treatment, Program development, Program Development, business, Psychiatry, 030217 neurology & neurosurgery
Abstract

The Prevention and Early Intervention Program for Psychoses (PEPP) was established in 1997 for individuals with first-episode non-affective psychotic disorder. The objectives of PEPP are to improve outcomes for clients by providing a prompt, comprehensive, coordinated and effective treatment program as well as to advance research concerning early intervention for psychotic disorders. This article describes the clinical and research program and the lessons learned.

Published
2016
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149. Mg-Coated Si Thin Film As Model Electrode for Mechanistic Study of Li-Mg-Si Zintl Phase Formation in Lithium-Ion Batteries

Author

Sang-Don Han, Zhifei Li, Yeyoung Ha, Andrew G. Norman, Andriy Zakutayev, Chun-Sheng Jiang, Caleb Stetson, Bertrand J. Tremolet de Villers, Zoey Huey, Anthony K. Burrell, and Glenn Teeter

Subjects
Materials science, Zintl phase, chemistry, Electrode, Inorganic chemistry, chemistry.chemical_element, Lithium, Thin film, Ion
Abstract

Silicon (Si) is a promising anode material for high energy density lithium-ion batteries (LIBs) but its poor cycling performance prevents its large-scale adoption. Introducing Mg salt into the electrolyte has shown to form a ternary Li-Mg-Si Zintl phase upon lithiation of Si and improve the cycling stability; however, its formation mechanism and impacts on the solid electrolyte interphase (SEI) are not yet well understood. Herein, we demonstrate the formation of a ternary Li-Mg-Si Zintl phase via a Magnesium (Mg) coated Si thin film electrode, where Mg diffuses into the Si film upon deposition and in the lithiation process. The Zintl phase alters the nature of SEI, suppresses the excess decomposition of electrolyte and improves the capacity retention of the Si anode. This study provides insights into the formation mechanism of ternary Zintl phase and guidelines for the future design of Si anodes.

Published
2020
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150. Growth of GaAs on single-crystal layered-2D Bi2Se3

Author

Celeste L. Melamed, Andrew G. Norman, A.E. Tamboli, William E. McMahon, and Eric S. Toberer

Subjects
010302 applied physics, Chemical substance, Materials science, business.industry, Annealing (metallurgy), Nucleation, 02 engineering and technology, Diethylzinc, 021001 nanoscience & nanotechnology, Condensed Matter Physics, 01 natural sciences, Inorganic Chemistry, chemistry.chemical_compound, chemistry, 0103 physical sciences, Materials Chemistry, Optoelectronics, Metalorganic vapour phase epitaxy, Triethylgallium, 0210 nano-technology, Science, technology and society, business, Single crystal
Abstract

This work demonstrates the successful growth of cubic GaAs (111) on single-crystal 2D layered Bi2Se3 (0001) substrates achieved using a cubic ZnSe buffer layer. This growth sequence was chosen based upon observed reactions between Bi2Se3 (0001) substrates and both Ga and Zn. For the conditions used in our MOCVD reactor, triethylgallium (TEGa) interacts strongly with Bi2Se3 to form Ga2Se3, which can disrupt the nucleation and growth of GaAs. Therefore, a buffer layer is needed which prevents Ga–Bi2Se3 interactions while simultaneously providing a suitable growth surface for GaAs. ZnSe was chosen because it is lattice-matched to GaAs, and can be created by annealing the Bi2Se3 under a diethylzinc (DEZn) flux. A sample utilizing this growth sequence has been grown, characterized and exfoliated as a possible pathway toward reducing the substrate cost for III-V devices such as solar cells.

Published
2020
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