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1. Production of highly-polarized positrons using polarized electrons at MeV energies

Author

Abbott, D., Adderley, P., Adeyemi, A., Aguilera, P., Ali, M., Areti, H., Baylac, M., Benesch, J., Bosson, G., Cade, B., Camsonne, A., Cardman, L. S., Clark, J., Cole, P., Covert, S., Cuevas, C., Dadoun, O., Dale, D., Dong, H., Dumas, J., Fanchini, E., Forest, T., Forman, E., Freyberger, A., Froidefond, E., Golge, S., Grames, J., Guèye, P., Hansknecht, J., Harrell, P., Hoskins, J., Hyde, C., Josey, B., Kazimi, R., Kim, Y., Machie, D., Mahoney, K., Mammei, R., Marton, M., McCarter, J., McCaughan, M., McHugh, M., McNulty, D., Mesick, K. E., Michaelides, T., Michaels, R., Moffit, B., Moser, D., Camacho, C. Muñoz, Muraz, J. -F., Opper, A., Poelker, M., Réal, J. -S., Richardson, L., Setiniyaz, S., Stutzman, M., Suleiman, R., Tennant, C., Tsai, C., Turner, D., Ungaro, M., Variola, A., Voutier, E., Wang, Y., and Zhang, Y.

Subjects
Physics - Accelerator Physics, High Energy Physics - Experiment, Nuclear Experiment
Abstract

The Polarized Electrons for Polarized Positrons experiment at the injector of the Continuous Electron Beam Accelerator Facility has demonstrated for the first time the efficient transfer of polarization from electrons to positrons produced by the polarized bremsstrahlung radiation induced by a polarized electron beam in a high-$Z$ target. Positron polarization up to 82\% have been measured for an initial electron beam momentum of 8.19~MeV/$c$, limited only by the electron beam polarization. This technique extends polarized positron capabilities from GeV to MeV electron beams, and opens access to polarized positron beam physics to a wide community., Comment: 5 pages, 4 figures

Published
2016
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2. Estimating critical habitat based on year-round movements of the endangered Jefferson Salamander (Ambystoma jeffersonianum) and their unisexual dependents

Author

Drunen, S.G. Van, Linton, J.E., Bogart, J.P., McCarter, J., Fotherby, H., Sandilands, A., and Norris, D.R.

Subjects
Endangered species -- Protection and preservation, Wildlife conservation -- Protection and preservation, Ponds -- Protection and preservation, Canada. Species at Risk Act 2002, Zoology and wildlife conservation, Protection and preservation
Abstract

Habitat protection is a key component of endangered species conservation, but critical habitat designations are often based on limited data or habitat use during only a portion of a species' life cycle. Protected habitat around breeding pools for the endangered Jefferson Salamander (Ambystoma jeffersonianum (Green, 1827)) and their unisexual dependents (Ambystoma laterale--(2) jeffersonianum) is based upon limited movement data from primarily spring and summer seasons. Furthermore, despite their treatment as distinct species under Canada's Species at Risk Act, differences in habitat use have not been directly compared inareas where they co-occur. We used radiotelemetry to track A. jeffersonianum (JJ) and A. laterale--jeffersonianum (LJJ and LJJJ) during fall migrations to overwintering sites. We used these data and summarized available movement data from past studies that tracked movements in other periods of the annual cycle to estimate year-round critical habitat. Ambystoma jeffersonianum travelled significantly longer distances to overwintering locations than unisexuals. Individuals were more likely to overwinter next to a similar genomotype individual than not. Critical habitat encompassing the entire annual cycle of A. jeffersonianum extends up to 400-450 m from breeding ponds indicating existing regulatory habitat protections in Canada do not currently protect sufficient habitat. Key words: overwintering habitat, Ambystoma laterale--jeffersonianum unisexuals, Ambystoma salamander complex, spatial segregation, radiotelemetry. Si la protection des habitats est un element cle de la conservation des especes menacees, la designation d'habitats essentiels repose souvent sur des donnees limitees ou l'utilisation d'habitats durant une partie seulement du cycle biologique de l'espece. Les habitats proteges autour d'etangs de reproduction de salamandres de Jefferson (Ambystoma jeffersonianum (Green, 1827)) et de leurs dependants unisexues (Ambystoma laterale--(2) jeffersonianum) sont bases sur des donnees limitees sur leurs deplacements principalement pour le printemps et l'ete. En outre, malgre le fait qu'elles soient traitees comme des especes distinctes en vertu de la Loi sur les especes en peril du Canada, les differences d'utilisation de l'habitat des deux especes dans des lieux ou elles cooccurrent n'ont pas ete examinees. Nous avons utilise la radiotelemetrie pour suivre des A. jeffersonianum (JJ) et des A. laterale--jeffersonianum (LJJ et LJJJ) durant des migrations automnales vers des sites d'hivernage. Nous utilisons ces donnees et un condense des donnees sur les deplacements disponibles tirees d'etudes anterieures qui ont suivi les deplacements pendant d'autres periodes du cycle annuel, afin d'estimer les habitats essentiels a l'echelle annuelle. Les A. jeffersonianum parcourent des distances significativement plus longues vers les lieux d'hivernage que les ambystoma unisexues. Les individus sont plus susceptibles d'hiverner a cote d'un individu de genomotype semblable que de genomotype different. L'habitat essentiel qui couvre tout le cycle annuel d'A. jeffersonianum s'etend sur des distances de jusqu'a 400-450 m des etangs de reproduction, ce qui indique que les mesures de protection reglementaires actuellement en place au Canada ne protegent pas des habitats suffisants. [Traduit par la Redaction] Mots-cles : habitat d'hivernage, Ambystoma laterale--jeffersonianum unisexues, complexe des salamandres Ambystoma, segregation spatiale, radiotelemetrie., Introduction Habitat disturbance and destruction are dominant drivers of species endangerment across the globe (Dirzo and Raven 2003; WWF 2016), making habitat protection a key component of recovery for species [...]

Published
2020
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5. What Makes a Location into a “Favorable Habitat” under Changing Climate and Environmental Conditions? A Pilot Study Focused on Exploring the Differences between Natural and Non-natural Habitats using Airborne LiDAR

Author

Mohan, M, primary, Catts, G P, additional, Vaughan, B, additional, Roise, J P, additional, Silva, C A, additional, McCarter, J B, additional, Jat, P., additional, Wan Mohd Jaafar, W S, additional, Gopan, G, additional, and Abdul Maulud, K N, additional

Published
2019
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10. Impact of postoperative non-steroidal anti-inflammatory drugs on adverse events after gastrointestinal surgery

Author

Chapman, S. J., Glasbey, J., Kelly, M., Khatri, C., Nepogodiev, D., Fitzgerald, J. E. F., Bhangu, A., Harrison, E. M., Adams, R., Patel, K., Retchless, A. R., Elsaddig, M., Curtis, A. E., McMahon, R., Mittapalli, D., Ferguson, L. A., Gentry, S. V., Kong, C. Y. N., Naqvi, Z., Amin, H., Chaudhry, B., Burke, J., Henderson, I., Trecarten, S., Clements, J. M., Drake, T. M., Wild, J. R. L., Venkatesh, H., Butters, N., Ahmeidat, H., Goergen, N., Black, D., Robertson, K., Jama, G. M., McGuire, S. A., Ahl, R., Suri, T. S., Kuo, R., Fadhlillah, M., Mills, H., Mitchell, R., Goodship, J., Tan, M., Barker, T., Wright, T., Mohamad, W., Hanna, N., Laing, G., Warnock, M. W. C., Baird-Fraser, P. R., Logan, T., Young, F. M., Fane De Salis, A. C., McHugh, R., Hickson, C., Paszkiewicz, J., Anderson, L. B., Neeson, D., Mohan, M., Narang, Y., Brophy, T., Punj, R., Majumdar, S., Kauser, S., Jong, G., Palkhi, E., Finch, D., Mitchell, H., Carter, N., Viyasar, T., Sammut, T., Cook, N., Powell, M. M., Horne, S., Allen, J. L. Y., Marshall, D., McIntyre, C., S Koh, D. T., Shi, J., Reid, T., Armugam, N. P., Luck, J., Fozard, T., O'Callaghan, J., Copley, P. C., Tilliriou, V., Aiyer, R., Yazdi, A., Wiltshire, A., Blower, E., Jewitt, C., Cheung, L. K., Fourali, S., Rahimi, Y., Velho, R., Taylor, C., Satterthwaite, L., Eze, N. V., Johnston, J. P. M., McCain, R. S., Hess, E. C. F., Thumbadoo, R. P., Turner, E. J. H., Wookey, R., Morris, R., Gasteratos, K., Heywood, E., Simpson, S. J., Rai, Z., Kazzazi, D., Ducey, J., Livesey, M. J., Finan, C., Staunton, E., Haddad, S. D., Karanjia, R., Bokobza, I., Ahmed, M., Howell, J., Grainger, C., Woo, A., McDowall, M., Bulley, F., Keating, R., Tan, B., Sng, S., Brown, C., Aidoo-Micah, G., Champsi, A., Ellis, R., Darwazeh, S., Polson, R., Chan, J. Z., Chong, B. F. H. K., Park, J. H., Kong, C. Y., Mogan, Y. P., Stevens, S., Sekhon, H. K., McIntosh, R., Ochiltree, D. W., Jamieson, P. D., Naumann, D. N., Bowley, D. M., Howell, G., Clark, T., Dear, K., James, L., Upchurch, E., Wilson, H., Hughes, M., Modayur, S. M., Datta, U., Chen, J. H. C., Williams, L. J. L., Selby, J., Prabhudesai, A., Mahomed, K., Shah, H. A., Kong, K., Chandramoorthy, S., Marshall, L., De Kauwe, C., Rana, R., Patel, J., Pezas, T., Ma, J., Stohlner, V., Kinsella, M. S., Gardiner, S. N., Smith, R. A., Glover, M., Akinfala, M., Lee, J. Z. C., Aggarwal, V., Waters, S., Atif, M., Hill, M., Ramasubramoni, A., Jaffry, Z., Sagoo, H., Jeyakumar, J., Kosasih, S., Davis, J., Stanley, G. H. M., Nijran, J., Tang, I., Mehta, K., Fillery, A., Watson, N. F., Shah, D., Naidu, S., Grewal, T. K., Singh, P., Reissis, D., Marusza, C., Pettit, W., Timbrell, S., Woods, R., Phillips, J., Vaughan, R., Dean, S., Gibby, R., Jones, T. F., Rao, R., Torrance, H. D. T., Thirumal, V., McMahon, R. K., Yap, D., Shaw, A., Claireaux, H. A., Pang, Y. L., Narramore, R., Holmes, C., Caldwell, A., Daoub, A., Bibby, L., Hague, A.G., Sykes, M. C., Morar, P., Downes, G., Shah, S., Walimohamed, S., Alsulaimi, A., Biswas, V., Gnaneswaran, B., Davies, N., Narwani, V., Hernon, J., Jumbu, A., Ilyas, M., Johal, G., Atia, F., Williams, A., Chan, C., McAnelly, S., Evans, A., Chan, K. Y., Flegg, K., Carter, S., Coley, J., Khaw, R., Jayakody, N., Jones, B., Fawcett, N., Ghali, C., Jalundhwala, K., Ariyaratnam, P., Colville, H., Walls, M., Lindsay, J., Keane, M., Ban, V. S., Kambasha, C., Sait, S., Tahir, M., Tharakan, R., Voll, J., Shiwani, H., Al-Omran, Y., Hawash, A., McCaughan, V., Shatkar, V., Gohil, K., Greenhalgh, A., Higgins, E., Moody, T., Booth, M. B., Chan, W. H., Shanthakumaran, S., Maple, N., McNish, D., Shahin, B., Nicholas, J., McDermid, R., Narayan, P., Brodie, C., Hurrey, S., Panayi, V., Turner, B., Kopala, K., Winfield, S. Clayton A., Mohamud, A., Venkatesh, A., Hosein, S., Olimpio, C., Gkiousias, V., Kilgour, J. M., Cogbill, E., Ramcham, M., Carr, G., Bannerman, A., Grundy, L., White, S., Beamish, A., Neo, Y. N., Cragg, A. R., Perkins, A., Wynn-Hebden, A., Khan, T., Ali, M., Battersby, C. L. F., Pinto, R. S., Poon, S. S., Patel, M., Patel, P., Shafi, A. M. A., Vedage, D., Ghorbhanian, S., Klimach, S., Bradley, J., de Sausmarez, E., Hayward, P., Naqib, S., Flanigan, C., Shuttleworth, R. H. A., McElvanna, K., Shelton, B., Westbrook, N., Weir, A., Webb, P., Alam, M., Bhanderi, S., Roberts, C., Al-Shakarchi, J., Lu, M., Harvey, J., Chowdhury, M. U., McGow, C., Antoniou, I., Good, D. F., Gerasimova, N., Eragat, M., Pressler, N., Santos, C. R. D., Arshad, W., Patel, H. R., Kassim, Y., Jayaratne, N., Perera, A., Chandramoorthy, L., Quan, V., Ponweera, A., Tadjkarimi, J., Moyes, L., Metcalfe, C., Napier-Hemy, T, Bull, A., Jaffer, Y., Mushtaq, J., Warren, M., Jarrar, Z., Wickenden, R., Kang, M., Holohan, G., Isbister, T., Strachan, E., Varma, R., Simpson, R., Rajasekar, N., Panayiotou, H., Walsh, E., Thacoor, A., Willson, J. M. H., Mustafa, A., Barai, I., Menon, A., Soon, W. C., Thakrar, C., McCurdie, S., Carr, E. C. F., Westwood, K. J., Wardell, H., Weinberg, D., Craig, A. R. J., Khan, F. A. S., Mulla, A., Dann, P., Saleh, M., Pignatelli, I. C., Igbagiri, K. V., Panagoulas, E. V., Tilston, T. W., Thayaparan, A. J., Navaratnam, J., Aryasomayajula, S., Joji, N., Screen, R., Quinn, C., Harrison, R., Arnaout, A., McCartan, N., Allen, W., Gabriel, R., Hartelius, C. F., Makinde, M. L., Sivasubramaniam, S., Spreadborough, P., Lobo, R., Surendran, H., Couch, L., Butters, T., Beale, K., Markiewicz, O., Kennedy, E. D., Neely, D. M., Martin, A., Al-Moasseb, Z. H., Ong, K. K., Letchumanan, S., Lam, W. L., Yapp, L., Skelly, B. L., Stallard, S., Westhuizen, P. V. D., Rafferty, A. R., Lambert, A., Tay, Y. Z., Koshnow, Z., Elamin, O., Shah, A., Kim, E., English, W., Farrell, A., Sharma, J., Rowan, D. Chudek. K., Mullan, B., Brown, R. J., McCarter, J. A., Johnston, D., Symonds, C., Gatfield, W., Messenger, D., Knox, J. D., Jani, P., Trinquet, J., Naqvi, Z. B., Hussain, K., Jaffer, A., McAleer, E., Joshi, H., Cecil, E., Lochrane, A., Woolley, T., Marriott, P., Bolton, W., Balian, V., Scott, A. J., and Tan, Y. H.

Subjects
Complications and side effects, Nonsteroidal anti-inflammatory agents -- Complications and side effects, Nonsteroidal anti-inflammatory drugs -- Complications and side effects
Abstract

Background Recent evidence has suggested an association between postoperative non-steroidal anti-inflammatory drugs (NSAIDs) and increased operation-specific complications. This study aimed to determine the safety profile following gastrointestinal surgery across a multicentre setting in the UK. Methods This multicentre study was carried out during a 2-week interval in September-October 2013. Consecutive adults undergoing elective or emergency gastrointestinal resection were included. The study was powered to detect a 10 per cent increase in major complications (grade III-V according to the Dindo-Clavien classification). The effect of administration of NSAIDs on the day of surgery or the following 2days was risk-adjusted using propensity score matching and multivariable logistic regression to produce adjusted odds ratios (ORs). The type of NSAID and the dose were registered. Results Across 109 centres, early postoperative NSAIDs were administered to 242 (16ae1 per cent) of 1503 patients. Complications occurred in 981 patients (65ae3 per cent), which were major in 257 (17ae1 per cent) and minor (Dindo-Clavien grade I-II) in 724 (48ae2 per cent). Propensity score matching created well balanced groups. Treatment with NSAIDs was associated with a reduction in overall complications (OR 0ae72, 95 per cent confidence interval 0ae52 to 0ae99; P=0ae041). This effect predominately comprised a reduction in minor complications with high-dose NSAIDs (OR 0ae57, 0ae39 to 0ae89; P=0ae009). Conclusion Early use of NSAIDs is associated with a reduction in postoperative adverse events following major gastrointestinal surgery. CAPTION(S): Table S1 Dindo-Clavien classification of surgical complications (Word document) Table S2 Definition of high- and low-dose non-steroidal anti-inflammatory drug use (Word document) Table S3 Revised Cardiac Risk Index (Word document)

Published
2014
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15. Charge lifetime measurements at high average current using aK2CsSbphotocathode inside a dc high voltage photogun

Author

Mammei, R. R., primary, Suleiman, R., additional, Feingold, J., additional, Adderley, P. A., additional, Clark, J., additional, Covert, S., additional, Grames, J., additional, Hansknecht, J., additional, Machie, D., additional, Poelker, M., additional, Rao, T., additional, Smedley, J., additional, Walsh, J., additional, McCarter, J. L., additional, and Ruiz-Osés, M., additional

Published
2013
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19. High Intensity Polarized Electron Sources

Author

Poelker, M., primary, Adderley, P., additional, Brittian, J., additional, Clark, J., additional, Grames, J., additional, Hansknecht, J., additional, McCarter, J., additional, Stutzman, M. L., additional, Suleiman, R., additional, Surles-Law, K., additional, Kponou, Ahovi, additional, Makdisi, Yousef, additional, and Zelenski, Anatoli, additional

Published
2008
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28. Real-Time Trajectory Assessment and Abort Management for the X-33 Vehicle

Author

Moise, M. C, McCarter, J. W, and Mulqueen, J

Subjects
Launch Vehicles And Launch Operations
Abstract

The X-33 is a flying testbed to evaluate technologies and designs for a reusable Single Stage To Orbit (SSTO) production vehicle. Although it is sub-orbital, it is trans-atmospheric. This paper will discuss the abort capabilities, both commanded and autonomous, available to the X-33. The cornerstone of the abort capabilities is the Performance Monitor (PM) and it's supporting software. PM is an on-board 3-DOF simulation, which evaluates the vehicle ability to execute the current trajectory. The Abort Manager evaluates the results from PM, and, when indicated, computes and implements an abort trajectory.

Published
2000

30. Estimating critical habitat based on year-round movements of the endangered Jefferson Salamander (Ambystoma jeffersonianum) and their unisexual dependents.

Author

Van Drunen, S.G., Linton, J.E., Bogart, J.P., McCarter, J., Fotherby, H., Sandilands, A., and Norris, D.R.

Subjects
HOME range (Animal geography), WILDLIFE conservation, SALAMANDERS, ENDANGERED species, HABITATS, SUMMER, HABITAT conservation
Abstract

Copyright of Canadian Journal of Zoology is the property of Canadian Science Publishing and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020
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31. Single-Handed Rural Practice

Author

Ainscow, D. M. C., Austin, C., Baker, J. W., van Bergen, J. E., Betts, N. E., Binnie, G. A. C., Bolam, K., Bowden, P. W., Bruce, N. P., Burgess, G. L., Cameron, N. W., Campbell, D. C., Caray, J. N., Chamberlain, A. G., Colburn, W. F., Daniel, A. C., Dias, Y. M., Eddy, J. A., Elliott, C. G., Fenn, C. D., Fenn, H. J., Fowler, G. S., Ghosh, A. K., Gray, K., Hall, A. G., Hansell, R. H., Hardman, B. M. H., Harper, W. H., High, R., Hotson, C., Ingall, G. M., Ingold, Sylvia R., Jenkins, D. G. W., Jones, J. S., King, R. G. P., Lalgee, C. W., Lawson, D. J., Legg, W. J. J., McCarter, J. D., McCrae, T., McDowell, R. W., MacIntosh, J., McMinn, R. M., Madden, J. G., Marshall, J. R., Menzies, A., Morris, P. M., Newman, C. A., Nightingale, G. M., Normandale, P. A., Oakland, M. H., Parsons, C. A., Pratt, I. H., Rayner, T., Rider, J. G., Robinson, Winifred M. C., Rycroft, R. M., Sherlaw, W., Squires, G. C., Stewart-Hess, C. H., Theakston, R. N., Waller, I. S., Webb, H. B. G., Wilson, H. F., and Wright, D.

Published
1972

32. Development of a New Marine Exposure Site on the Atlantic North-west Coast of Ireland

Author

Holmes, Niall, Basheer, L., Nanukuttan, S., Srinivasan, S., Basheer, PAM, McCarter, J., and Chrisp, M.

Subjects
exposure, site, marine, coast, Ireland, Civil Engineering
Abstract

This paper presents a new marine exposure site being developed on the North-west Atlantic coastline of Ireland in Co. Donegal by the Centre for Built Environment Research at Queen’s University Belfast. The site will initially contain a number of large precast concrete stems, each 1.5m high, 1.5m wide and 1m thick placed on concrete plinths poured in-situ. The concrete stems will be placed at three levels to achieve different exposure conditions outlined in EN 206, namely atmospheric (XS1), a splash or spray zone (XS3) and a tidal zone (XS3) where the stems will be submerged by the incoming tide twice daily. The concrete will consist of different cements and appropriate w/b ratios suitable for this type of exposure. The permeability and diffusion properties will be measured using non-destructive tests developed at Queen’s University Belfast, namely the Autoclam permeability system and the Permit ion migration test. Other tests to measure the corrosion of the embedded rebar will also be undertaken. In order to monitor the internal concrete properties, electrical sensors will be attached to the rebar and embedded in concrete. The information from these sensors will be relayed back to the office using remote wireless technology. Such integrated monitoring systems for concrete structures can reduce assessment and repair costs by continuously profiling the covercrete and corrosion for the ingress of various deleterious substances, such as chlorides, in the reinforcing steel in real-time. This approach permits an informed assessment of the performance of the structure throughout its service life. This site will form part of a world-wide exposure study, including similar sites in Scotland, India and China.

Published
2010

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