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2. Fast and slow waves launched from a fast-wave waveguide array

Author

McWilliams, R, Edrich, D, Wolf, NS, and Brusati, M

Subjects
Atomic, Molecular, Nuclear, Particle and Plasma Physics, Fluids & Plasmas
Abstract

Using a waveguide array designed to excite only fast-wave polarization, both slow and fast waves were observed in a toroidal plasma. The relative energy in the two modes was found to be a function of the plasma density, indicating that fast-wave current drive experiments should be performed at densities well above the calculated fast-wave cut-off density.

Published
1992

3. FAST AND SLOW WAVES LAUNCHED FROM A FAST-WAVE WAVE-GUIDE ARRAY

Author

MCWILLIAMS, R, EDRICH, D, WOLF, NS, and BRUSATI, M

Subjects
Atomic, Molecular, Nuclear, Particle and Plasma Physics, Fluids & Plasmas, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

Using a waveguide array designed to excite only fast-wave polarization, both slow and fast waves were observed in a toroidal plasma. The relative energy in the two modes was found to be a function of the plasma density, indicating that fast-wave current drive experiments should be performed at densities well above the calculated fast-wave cut-off density.

Published
1992

4. LHCD OPERATIONS IN JET AND DEVELOPMENTS FOR FUSION APPLICATIONS

Author

Froissard, P., primary, Agarici, G., additional, Baranov, Y., additional, Brandon, M., additional, Brusati, M., additional, Dobbing, J.A., additional, Ekedahl, A., additional, Finburg, P., additional, Fischer, B., additional, Gormezano, C., additional, Haydon, P., additional, Kaye, A., additional, Lennholm, M., additional, McCarthy, T., additional, Page, R., additional, Paling, P., additional, Platt, G., additional, Pledge, D., additional, Plancoulaine, J., additional, Rimini, F., additional, Schild, P., additional, and Söldner, F.X., additional

Published
1995
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5. OPERATION OF THE JET LOWER HYBRID CURRENT DRIVE SYSTEM

Author

Dobbing, J.A., primary, Bosia, G.F., additional, Brinkschulte, H.W., additional, Brusati, M., additional, Ekedahl, A.C., additional, Gormezano, C., additional, Jacquinot, J.G., additional, Kaye, A.S., additional, Lennholm, M., additional, Rimini, F., additional, Schild, P.A.J., additional, Pain, M.S., additional, and Rey, G., additional

Published
1993
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6. THE JET PRELIMINARY TRITIUM EXPERIMENT

Author

REBUT, P, ADAMS, J, ALPER, B, ALTMANN, H, ANDERSEN, A, ANDREW, P, ALIARSHAD, S, BAILEY, W, BALET, B, BARABASCHI, P, BARANOV, Y, BARKER, P, BARNSLEY, R, BARONIAN, M, BARTLETT, D, BELL, A, BENALI, G, BERTOLI, P, BERTOLINI, E, BHATNAGAR, V, BICKLEY, A, BOND, D, BONICELLI, T, BOOTH, S, BOSIA, G, BOTMAN, M, BOUCHER, D, BOUCQUEY, P, BRANDON, M, BREGER, P, BRELEN, H, BREWERTON, W, BRINKSCHULTE, H, BROWN, T, BRUSATI, M, BUDD, T, BURES, M, BURTON, P, BUSINARO, T, BUTCHER, P, BUTTGEREIT, H, CALDWELLNICHOLS, C, CAMPBELL, D, CAMPLING, D, CARD, P, CELENTANO, G, CHALLIS, C, CHANKIN, A, CHERUBINI, A, CHIRON, D, CHRISTIANSEN, J, CHUILON, P, CLAESEN, R, CLEMENT, S, CLIPSHAM, E, COAD, J, COFFEY, I, COLTON, A, COMISKEY, M, CONROY, S, COOKE, M, COOPER, S, CORDEY, J, CORE, W, CORRIGAN, G, CORTI, S, COSTLEY, A, COTTRELL, G, COX, M, CRAWLEY, P, DACOSTA, O, DAVIES, N, DAVIES, S, DEBLANK, H, DEESCH, H, DEKOCK, L, DEKSNIS, E, DELIYANAKUS, N, DENNEHINNOV, G, DESCHAMPS, G, DICKSON, W, DIETZ, K, DINES, A, DMITRENKO, S, DMITRIEVA, M, DOBBING, J, DOLGETTA, N, DORLING, S, DOYLE, P, DUCHS, D, DUQUENOY, H, EDWARDS, A, EHRENBERG, J, EKEDAHL, A, ELEVANT, T, ERENTS, S, ERIKSSON, L, FAJEMIROKUN, H, FALTER, H, FREILING, J, FROGER, C, FROISSARD, P, FULLARD, K, GADEBERG, M, GALETSAS, A, GALBIATI, L, GAMBIER, D, GARRIBBA, M, GAZE, P, GIANNELLA, R, GIBSON, A, GILL, R, GIRARD, A, GONDHALEKAR, A, GOODALL, D, GORMEZANO, C, GOTTARDI, N, GOWERS, C, GREEN, B, HAANGE, R, HAIGH, A, HANCOCK, C, HARBOUR, P, HAWKES, N, HAYNES, P, HEMMERICH, J, HENDER, T, HOEKZEMA, J, HORTON, L, HOW, J, HOWARTH, P, HUART, M, HUGHES, T, HUGUET, M, HURD, F, IDA, K, INGRAM, B, IRVING, M, JACQUINOT, J, JAECKEL, H, JAEGER, J, JANESCHITZ, G, JANKOWICZ, Z, JARVIS, O, JENSEN, F, JONES, E, JONES, L, JONES, T, JUNGER, J, JUNIQUE, F, KAYE, A, KEEN, B, KEILHACKER, M, KERNER, W, KIDD, N, KONIG, R, KONSTANTELLOS, A, KUPSCHUS, P, LASSER, R, LAST, J, LAUNDY, B, LAUROTARONI, L, LAWSON, K, LENNHOLM, M, LINGERTAT, J, LITUNOVSKI, R, LOARTE, A, LOBEL, R, LOMAS, P, LOUGHLIN, M, LOWRY, C, MAAS, A, MACKLIN, B, MAGGI, C, MAGYAR, G, MARCHESE, V, MARCUS, F, MART, J, MARTIN, D, MARTIN, E, MARTINSOLIS, R, MASSMANN, P, MATTHEWS, G, MCBRYAN, H, MCCRACKEN, G, MERIGUET, P, MIELE, P, MILLS, S, MILLWARD, P, MINARDI, E, MOHANTI, R, MONDINO, P, MONTVAI, A, MORGAN, P, MORSI, H, MURPHY, G, NAVE, F, NEUDATCHIN, S, NEWBERT, G, NEWMAN, M, NIELSEN, P, NOLL, P, OBERT, W, OBRIEN, D, OROURKE, J, OSTROM, R, OTTAVIANI, M, PAPASTERGIOU, S, PASINI, D, PATEL, B, PEACOCK, A, PEACOCK, N, PEARCE, R, PEARSON, D, PEPEDESILVA, R, PERINIC, G, PERRY, C, PICK, M, PLANCOULAINE, J, POFFE, J, POHLCHEN, R, PORCELLI, F, PORTE, L, PRENTICE, R, PUPPIN, S, PUTVINSKII, S, RADFORD, G, RAIMONDI, T, RAMOSDEANDRADE, M, RAPISARDA, M, REICHLE, R, RICHARDS, S, RIGHI, E, RIMINI, F, ROLFE, A, ROSS, R, ROSSI, L, RUSS, R, SACK, H, SADLER, G, SAIBENE, G, SALANAVE, J, SANAZZARO, G, SANTAGIUSTINA, A, SARTORI, R, SBORCHIA, C, SCHILD, P, SCHMID, M, SCHMIDT, G, SCHROEPF, H, SCHUNKE, B, SCOTT, S, SIBLEY, A, SIMONINI, R, SIPS, A, SMEULDERS, P, SMITH, R, STAMP, M, STANGEBY, P, START, D, STEED, C, STORK, D, STOTT, P, STUBBERFIELD, P, SUMMERS, D, SUMMERS, H, SVENSSON, L, TAGLE, J, TANGA, A, TARONI, A, TERELLA, C, TESINI, A, THOMAS, P, THOMPSON, E, THOMSEN, K, TREVALION, P, TUBBING, B, TIBONE, F, VANDERBEKEN, H, VLASES, G, VONHELLERMANN, M, WADE, T, WALKER, C, WARD, D, WATKINS, M, WATSON, M, WEBER, S, WESSON, J, WIJNANDS, T, WILKS, J, WILSON, D, WINKEL, T, WOLF, R, WONG, D, WOODWARD, C, WYKES, M, YOUNG, I, ZANNELLI, L, ZOLFAGHARI, A, ZULLO, G, and ZWINGMANN, W

Subjects
inorganic chemicals, Jet (fluid), Tokamak, Materials science, Lawson criterion, Joint European Torus, Plasma, Fusion power, Condensed Matter Physics, law.invention, Nuclear physics, Nuclear Energy and Engineering, Deuterium, law, cardiovascular system, Tritium
Abstract

The first tokamak discharges with deuterium-tritium mixtures have been carried out in the Joint European Torus (JET). The main objectives were to produce more than IMW of fusion power in a controlled way, to determine tritium retention in torus systems and to establish effective means of tritium removal. The experiments were undertaken within limits imposed by restrictions on vessel activation and tritium usage. Deuterium plasmas were heated by high power deuterium neutral beams from fourteen sources and fuelled by two neural beam sources injecting tritium. In the best (D-T discharge), the tritium concentration was about 11% at peak performance, when total neutron emission rate was 6.0*1017 s-1, with 1.7 MW of fusion power. The fusion amplification factor QDT was 0.15. With optimum tritium concentration, this pulse would have produced a fusion power approximately=5 MW and nominal QDT=0.46. The same extrapolation for the best pure deuterium discharge gives about 11 MW and a nominal QDT=1.14. Techniques for introducing, tracking, monitoring and recovering tritium were highly effective.

Published
2016

7. Using CD4 percentage and age to optimize pediatric antiretroviral therapy initiation

Author

Yin, D.E., Warshaw, M.G., Miller, W.C., Castro, H., Fiscus, S.A., Harper, L.M., Harrison, L.J., Klein, N.J., Lewis, J., Melvin, A.J., Tudor Williams, G., Mckinney, R.E., Brouwers, P., Costello, D., Ferguson, E., Fiscus, S., Hodge, J., Hughes, M., Jennings, C., Melvin, A., Mckinney, R., Mofenson, L., Warshaw, M., Smith, M., Spector, S., Stiehm, E., Toye, M., Yogev, R., Babiker, A., Compagnucci, A., De Rossi, A., Giaquinto, C., Darbyshire, J., Debré, M., Gibb, D., Harper, L., Harrison, L., Klein, N., Pillay, D., Saidi, Y., Walker, A., Brody, B., Hill, C., Lepage, P., Modlin, J., Poziak, A., Rein, M., Robb, M., Fleming, T., Vella, S., Kim, K., Bologna, R., Mecikovsky, D., Pineda, N., Sen, L., Mangano, A., Marino, S., Galvez, C., Deluchi, G., Zöhrer, B., Zenz, W., Daghofer, E., Pfurtscheller, K., Pabst, B., Gomez, M., Mcneil, P., Jervis, M., Whyms, I., Kwolfe, D., Scott, S., Mussi Pinhata MM, Issac, M., Cervi, M., Negrini, B., Matsubara, T., de Souza CB, Gabaldi, J., Oliveira, R., Sapia, M., Abreu, T., Evangelista, L., Pala, A., Fernandes, I., Farias, I., Melo M, D.F., Carreira, H., Lira, L., Della Negra, M., Queiroz, W., Lian, Y., Pacola, D., Pinto, J., Ferreira, F., Kakehasi, F., Martins, L., Diniz, A., Lobato, V., Diniz, M., Cleto, S., Costa, S., Romeiro, J., Dollfus, C., Tabone, M., Courcoux, M., Vaudre, G., Dehée, A., Schnuriger, A., Le Gueyades, N., De Bortoli, C., Méchinaud, F., Reliquet, V., Arias, J., Rodallec, A., André, E., Falconi, I., Le Pelletier, A., Monpoux, F., Cottalorda, J., Mellul, S., Lachassinne, E., Galimand, J., Rouzioux, C., Chaix, M., Benabadji, Z., Pourrat, M., Firtion, G., Rivaux, D., Denon, M., Boudjoudi, N., Nganzali, F., Krivine, A., Méritet, J., Delommois, G., Norgeux, C., Guérin, C., Floch, C., Marty, L., Hichou, H., Tournier, V., Faye, A., Le Moal, I., Sellier, M., Dehache, L., Damond, F., Leleu, J., Beniken, D., Alexandre Castor, G., Neubert, J., Niehues, T., Laws, H., Huck, K., Gudowius, S., Siepermann, K., Loeffler, H., Bellert, S., Ortwin, A., Notheis, G., Wintergerst, U., Hoffman, F., Werthmann, A., Seyboldt, S., Schneider, L., Bucholz, B., Feiterna Sperling, C., Peiser, C., Nickel, R., Schmitz, T., Piening, T., Müller, C., Warncke, G., Wigger, M., Neubauer, R., Butler, K., Chong, A., Boulger, T., Menon, A., O'Connell, M., Barrett, L., Rochford, A., Goode, M., Hayes, E., Mcdonagh, S., Walsh, A., Doyle, A., Fanning, J., O'Connor, M., Byrne, M., O'Sullivan, N., Hyland, E., Giacomet, V., Viganò, A., Colombo, I., Trabattoni, D., Berzi, A., Badolato, R., Schumacher, F., Bennato, V., Brusati, M., Sorlini, A., Spinelli, E., Filisetti, M., Bertulli, C., Rampon, O., Zanchetta, M., Mazza, A., Stringari, G., Rossetti, G., Bernardi, S., Martino, A., Castelli Gattinara, G., Palma, P., Pontrelli, G., Tchidjou, H., Furcas, A., Frillici, C., Mazzei, A., Zoccano, A., Concato, C., Duiculescu, D., Oprea, C., Tardei, G., Abaab, F., Mardarescu, M., Draghicenoiu, R., Otelea, D., Alecsandru, L., Matusa, R., Rugina, S., Ilie, M., Netescu, S., Florea, C., Voicu, E., Poalelungi, D., Belmega, C., Vladau, L., Chiriac, A., Ramos Amador JT, Gonzalez Tomé MI, Rojo Conejo, P., Fernandez, M., Delgado Garcia, R., Ferrari, J., Garcia Lopez, M., Mellado Peña MJ, Martin Fontelos, P., Jimenez Nacher, I., Muñoz Fernandez MA, Jimenez, J., García Torre, A., Penin, M., Pineiro Perez, R., Garcia Mellado, I., Finn, A., Lajeunesse, M., Hutchison, E., Usher, J., Ball, L., Dunn, M., Sharland, M., Doerholt, K., Storey, S., Donaghy, S., Chakraborty, R., Wells, C., Buckberry, K., Rice, P., Mcmaster, P., Butler, P., O'Connell C, R., Shenton, J., Haley, H., Orendi, J., Stroobant, J., Navarante, L., Archer, P., Mazhude, C., Scott, D., O'Connell, R., Wong, J., Boddy, G., Shackley, F., Lakshman, R., Hobbs, J., Ball, G., Kudesia, G., Bane, J., Painter, D., Sloper, K., Shah, V., Cheng, A., Aali, A., Ball, C., Hawkins, S., Nayagam, D., Waters, A., Doshi, S., Liebeschuetz, S., Sodiende, B., Shingadia, D., Wong, S., Swan, J., Shah, Z., Collinson, A., Hayes, C., King, J., O'Connor, K., Lyall, H., Fidler, K., Walters, S., Foster, C., Hamadache, D., Newbould, C., Monrose, C., Campbell, S., Yeung, S., Cohen, J., Martinez Allier, N., Melvin, D., Dodge, J., Welch, S., Tatum, G., Gordon, A., Kaye, S., Muir, D., Patel, D., Novelli, V., Moshal, K., Lambert, J., Flynn, J., Farrelly, L., Clapson, M., Spencer, L., Depala, M., Jacobsen, M., Segal, S., Pollard, A., Kelly, D., Yeadon, S., Ohene Kena, B., Peng, Y., Dong, T., Jeffries, K., Snelling, M., Smyth, A., Smith, J., Ward, B., Jungmann, E., Ryan, C., Swaby, K., Buckton, A., Smit, E., Abrams, E., Champion, S., Fernandez, A., Calo, D., Garrovillo, L., Swaminathan, K., Alford, T., Frere, M., Navarra, J., Borkowsky, W., Deygoo, S., Hastings, T., Akleh, S., Ilmet, T., Mohan, K., Bowen, G., Emmanuel, P., Lujan Zimmerman, J., Rodriguez, C., Johnson, S., Marion, A., Graisbery, C., Casey, D., Lewis, G., Guzman Cottrill, J., Croteau, R., Acevedo Flores, M., Gonzalez, M., Angeli, L., Fabregas, L., Valentin, P., Weiner, L., Contello, K., Holz, W., Butler, M., Nachman, S., Kelly, M., Ferraro, D., Rana, S., Reed, C., Yeagley, E., Malheiro, A., Roa, J., Neely, M., Kovacs, A., Homans, J., Rodriguez Lozano, Y., Puga, A., Talero, G., Sellers, R., Lawrence, R., Weinberg, G., Murante, B., Laverty, S., Deveikis, A., Batra, J., Chen, T., Michalik, D., Deville, J., Elkins, K., Marks, S., Jackson Alvarez, J., Palm, J., Fineanganofo, I., Keuth, M., Deveikis, L., Tomosada, W., Van Dyke, R., Alchediak, T., Silio, M., Borne, C., Bradford, S., Eloby Childress, S., Nguyen, K., Rathore, M., Alvarez, A., Mirza, A., Mahmoudi, S., Burke, M., Febo, I., Lugo, L., Santos, R., Church, J., Dunaway, T., Rodier, C., Flynn, P., Patel, N., Discenza, S., Donohoe, M., Luzuriaga, K., Picard, D., Kline, M., Paul, M., Shearer, W., Mcmullen, C., Chadwick, E., Cagwin, E., Kabat, K., Dieudonne, A., Palumbo, P., Johnson, J., Gaur, S., Cerracchio, L., Foca, M., Jurgrau, A., Vasquez Bonilla, S., Silva, G., Gershon, A., Sullivan, J., Bryson, Y., Frenkel, L., Nelson, J., Aboulker, J., Hadjou, G., Léonardo, S., Riault, Y., Saïdi, Y., Buck, L., Forcat, S., Horton, J., Johnson, D., Moore, S., Taylor, C., Collins, D., Buskirk, S., Kamara, P., Nesel, C., Johnson, M., Ferreira, A., Tutko, J., Sprenger, H., Britto, P., Powell, C., Dersimonian, R., Handelsman, E., Ananworanich, J., Belfrage, E., Blanche, S., Bohlin, A., Burger, D., Clayden, P., De Groot, R., Di Biagio, A., Grosch Wörner, I., Hainault, M., Lallemant, M., Levy, J., Marczynska, M., Mellado Pena MJ, Nadal, D., Naver, L., Peckham, C., Popieska, J., Rosado, L., Rosso, R., Rudin, C., Scherpbier, H., Stevanovic, M., Thorne, C., Tovo, P., Valerius, N., Poole, C., Cole, S., and Mcculloh, R.J.

Subjects
CD4-Positive T-Lymphocytes, Male, medicine.medical_treatment, HIV (FISIOLOGIA), lnfectious Diseases and Global Health Radboud Institute for Molecular Life Sciences [Radboudumc 4], Human immunodeficiency virus (HIV), HIV Infections, medicine.disease_cause, Treatment failure, Settore BIO/13 - Biologia Applicata, Antiretroviral Therapy, Highly Active, immunologic, Child, HIV, child, reconstitution, treatment failure, Adolescent, Anti-HIV Agents, CD4 Lymphocyte Count, Child, Preschool, Female, Follow-Up Studies, HIV-1, Humans, Infant, Infant, Newborn, Follow up studies, Immunosuppression, medicine.medical_specialty, Settore MED/17 - Malattie Infettive, Antiretroviral Therapy, World health, Article, Internal medicine, medicine, Highly Active, Preschool, Settore MED/04 - Patologia Generale, business.industry, Disease progression, Settore MED/46 - Scienze Tecniche di Medicina di Laboratorio, Newborn, Antiretroviral therapy, Confidence interval, lnfectious Diseases and Global Health Radboud Institute for Health Sciences [Radboudumc 4], Immunologic, Reconstitution, Pediatrics, Perinatology and Child Health, Immunology, business
Abstract

BACKGROUND: Quantifying pediatric immunologic recovery by highly active antiretroviral therapy (HAART) initiation at different CD4 percentage (CD4%) and age thresholds may inform decisions about timing of treatment initiation. METHODS: HIV-1-infected, HAART-naive children in Europe and the Americas were followed from 2002 through 2009 in PENPACT-1. Data from 162 vertically infected children, with at least World Health Organization “mild” immunosuppression and CD4% RESULTS: Seventy-two percent of baseline immunosuppressed children recovered to normal within 4 years. Compared with “severe” immunosuppression, more children with “mild” immunosuppression (difference 36%, 95% confidence interval [CI]: 22% to 49%) or “advanced” immunosuppression (difference 20.8%, 95% CI: 5.8% to 35.9%) recovered a normal CD4%. For each 5-year increase in baseline age, the proportion of children achieving a normal CD4% declined by 19% (95% CI: 11% to 27%). Combining baseline CD4% and age effects resulted in >90% recovery when initiating HAART with “mild” immunosuppression at any age or “advanced” immunosuppression at age CONCLUSIONS: Initiating HAART at higher CD4% and younger ages maximizes potential for immunologic recovery. Guidelines should weigh immunologic benefits against long-term risks.

Published
2014

12. ENERGY BALANCE OF THE PLT TOKAMAK

Author

Hsuan, H., primary, Arunasalam, V., additional, Bitter, M., additional, Bol, K., additional, Boyd, D., additional, Brau, K., additional, Bretz, N., additional, Brusati, M., additional, Bussac, J., additional, Cohen, S., additional, Colestock, P., additional, Davis, S., additional, Dimock, D., additional, Dylla, F., additional, Eames, D., additional, Efthimion, P., additional, Eubank, H., additional, Goldston, R., additional, Grishman, L., additional, Hawryluk, R., additional, Hill, K., additional, Hinnov, E., additional, Hosea, J., additional, Jobes, F., additional, Johnson, D., additional, Medley, S., additional, Meservey, E., additional, Sauthoff, N., additional, Schilling, G., additional, Schmidt, G., additional, Stauffer, F., additional, Stewart, L., additional, Stodiek, W., additional, Strachan, J., additional, Strooksberry, R., additional, Suckewer, S., additional, Tait, G., additional, Ulrickson, M., additional, and von Goeler, S., additional

Published
1979
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13. PRELIMINARY RESULTS OF OHMIC HEATING IN FT

Author

Ascoli-Bartoli, U., primary, Bardotti, G., additional, Bartiromo, R., additional, Battaglia, G., additional, Brusati, M., additional, Buratti, P., additional, Cima, G., additional, De Angelis, A., additional, De Marco, F., additional, De pretis, M., additional, Enriques, L., additional, Ferro, C., additional, Grolli, M., additional, Haegi, M., additional, Marconero, R., additional, Martone, M., additional, Mazzitelli, G., additional, Mazzucato, E., additional, Pieroni, L., additional, Righetti, G.B., additional, Samuelli, M., additional, Segre, S.E., additional, Strangio, C., additional, and Tuccillo, A., additional

Published
1979
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14. ENERGY BALANCE IN THE OHMICALLY HEATED FT

Author

Bartiromo, R., primary, Brusati, M., additional, De Marco, F., additional, Gasparotto, M., additional, Giannella, R., additional, Pieroni, L., additional, Samuelli, M., additional, Santini, F., additional, Tanga, A., additional, Zanga, V., additional, Cilloco, F., additional, Mazzitelli, G., additional, and Tuccillo, A., additional

Published
1981
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32. Fusion Energy-Production from a Deuterium-Tritium Plasma in the Jet Tokamak

Author

Rebut, Ph, Gibson, A., Huguet, M., Adams, Jm, Alper, B., Altmann, H., Andersen, A., Andrew, P., Angelone, M., Aliarshad, S., Baigger, P., Bailey, W., Balet, B., Barabaschi, P., Barker, P., Barnsley, R., Baronian, M., Bartlett, Dv, Baylor, L., Bell, Ac, Benali, G., Bertoldi, P., Bertolini, E., Bhatnagar, V., Bickley, Aj, Binder, D., Bindslev, H., Bonicelli, T., Booth, Sj, Bosia, G., Botman, M., Boucher, D., Boucquey, P., Breger, P., Brelen, H., Brinkschulte, H., Brooks, D., Brown, A., Brown, T., Brusati, M., Bryan, S., Brzozowski, J., Buchse, R., Budd, T., Bures, M., Businaro, T., Butcher, P., Buttgereit, H., Caldwellnichols, C., Campbell, Dj, Card, P., Celentano, G., Challis, Cd, Chankin, Av, Cherubini, A., Chiron, D., Christiansen, J., Chuilon, P., Claesen, R., Clement, S., Clipsham, E., Coad, Jp, Coffey, Ih, Colton, A., Comiskey, M., Conroy, S., Cooke, M., Cooper, D., Cooper, S., Cordey, Jg, Core, W., Corrigan, G., Corti, S., Costley, Ae, Cottrell, G., Cox, M., Cripwell, P., Dacosta, O., Davies, J., Davies, N., Deblank, H., Deesch, H., Dekock, L., Deksnis, E., Delvart, F., Dennehinnov, Gb, Deschamps, G., Dickson, Wj, Dietz, Kj, Dmitrenko, Sl, Dmitrieva, M., Dobbing, J., Doglio, A., Dolgetta, N., Dorling, Se, Doyle, Pg, Duchs, Df, Duquenoy, H., Edwards, A., Ehrenberg, J., Ekedahl, A., Elevant, T., Erents, Sk, Eriksson, Lg, Fajemirokun, H., Falter, H., Freiling, J., Freville, F., Froger, C., Froissard, P., Fullard, K., Gadeberg, M., Galetsas, A., Gallagher, T., Gambier, D., Garribba, M., Gaze, P., Giannella, R., Gill, Rd, Girard, A., Gondhalekar, A., Goodall, D., Gormezano, C., Gottardi, Na, Gowers, C., Green, Bj, Grievson, B., Haange, R., Haigh, A., Hancock, Cj, Harbour, Pj, Hartrampf, T., Hawkes, Nc, Haynes, P., Hemmerich, Jl, Hender, T., Hoekzema, J., Holland, D., Hone, M., Horton, L., How, J., Huart, M., Hughes, I., Hughes, Tp, Hugon, M., Huo, Y., Ida, K., Ingram, B., Irving, M., Jacquinot, J., Jaeckel, H., Jaeger, Jf, Janeschitz, G., Jankovicz, Z., Jarvis, On, Jensen, F., Jones, Em, Jones, Hd, Jones, Lpdf, Jones, S., Jones, Ttc, Junger, Jf, Junique, F., Kaye, A., Keen, Be, Keilhacker, M., Kelly, Gj, Kerner, W., Khudoleev, A., Konig, R., Konstantellos, A., Kovanen, M., Kramer, G., Kupschus, P., Lasser, R., Last, Jr, Laundy, B., Laurotaroni, L., Laveyry, M., Lawson, K., Lennholm, M., Lingertat, J., Litunovski, Rn, Alberto Loarte, Lobel, R., Lomas, P., Loughlin, M., Lowry, C., Lupo, J., Maas, Ac, Machuzak, J., Macklin, B., Maddison, G., Maggi, Cf, Magyar, G., Mandl, W., Marchese, V., Marcon, G., Marcus, F., Mart, J., Martin, D., Martin, E., Martinsolis, R., Massmann, P., Matthews, G., Mcbryan, H., Mccracken, G., Mckivitt, J., Meriguet, P., Miele, P., Miller, A., Mills, J., Mills, Sf, Millward, P., Milverton, P., Minardi, E., Mohanti, R., Mondino, Pl, Montgomery, D., Montvai, A., Morgan, P., Morsi, H., Muir, D., Murphy, G., Myrnas, R., Nave, F., Newbert, G., Newman, M., Nielsen, P., Noll, P., Obert, W., Obrien, D., Orchard, J., Orourke, J., Ostrom, R., Ottaviani, M., Pain, M., Paoletti, F., Papastergiou, S., Parsons, W., Pasini, D., Patel, D., Peacock, A., Peacock, N., Pearce, Rjm, Pearson, D., Peng, Jf, Desilva, Rp, Perinic, G., Perry, C., Petrov, M., Pick, Ma, Plancoulaine, J., Poffe, Jp, Pohlchen, R., Porcelli, F., Porte, L., Prentice, R., Puppin, S., Putvinskii, S., Radford, G., Raimondi, T., Deandrade, Mcr, Reichle, R., Reid, J., Richards, S., Righi, E., Rimini, F., Robinson, D., Rolfe, A., Ross, Rt, Rossi, L., Russ, R., Rutter, P., Sack, Hc, Sadler, G., Saibene, G., Salanave, Jl, Sanazzaro, G., Santagiustina, A., Sartori, R., Sborchia, C., Schild, P., Schmid, M., Schmidt, G., Schunke, B., Scott, Sm, Serio, L., Sibley, A., Simonini, R., Sips, Acc, Smeulders, P., Smith, R., Stagg, R., Stamp, M., Stangeby, P., Stankiewicz, R., Start, Df, Steed, Ca, Stork, D., Stott, Pe, Stubberfield, P., Summers, D., Summers, H., Svensson, L., Tagle, Ja, Talbot, M., Tanga, A., Taroni, A., Terella, C., Terrington, A., Tesini, A., Thomas, Pr, Thompson, E., Thomsen, K., Tibone, F., Tiscornia, A., Trevalion, P., Tubbing, B., Vanbelle, P., Vanderbeken, H., Vlases, G., Vonhellermann, M., Wade, T., Walker, C., Walton, R., Ward, D., Watkins, Ml, Watkins, N., Watson, Mj, Weber, S., Wesson, J., Wijnands, Tj, Wilks, J., Wilson, D., Winkel, T., Wolf, R., Wong, D., Woodward, C., Wu, Y., Wykes, M., Young, D., Young, Id, Zannelli, L., Zolfaghari, A., and Zwingmann, W.

Abstract

The paper describes a series of experiments in the Joint European Torus (JET), culminating in the first tokamak discharges in deuterium-tritium fuelled mixtures. The experiments were undertaken within limits imposed by restrictions on vessel activation and tritium usage. The objectives were: (i) to produce more than one megawatt of fusion power in a controlled way; (ii) to validate transport codes and provide a basis for accurately predicting the performance of deuterium-tritium plasma from measurements made in deuterium plasmas; (iii) to determine tritium retention in the torus systems and to establish the effectiveness of discharge cleaning techniques for tritium removal; (iv) to demonstrate the technology related to tritium usage; and (v) to establish safe procedures for handling tritium in compliance with the regulatory requirements. A single-null X-point magnetic configuration, diverted onto the upper carbon target, with reversed toroidal magnetic field was chosen. Deuterium plasmas were heated by high power, long duration deuterium neutral beams from fourteen sources and fuelled also by up to two neutral beam sources injecting tritium. The results from three of these high performance hot ion H-mode discharges are described: a high performance pure deuterium discharge; a deuterium-tritium discharge with a 1% mixture of tritium fed to one neutral beam source; and a deuterium-tritium discharge with 100% tritium fed to two neutral beam sources. The TRANSP code was used to check the internal consistency of the measured data and to determine the origin of the measured neutron fluxes. In the best deuterium-tritium discharge, the tritium concentration was about 11% at the time of peak performance, when the total neutron emission rate was 6.0 x 10(17) neutrons/s. The integrated total neutron yield over the high power phase, which lasted about 2 s, was 7.2 x 10(17) neutrons, with an accuracy of +/- 7%. The actual fusion amplification factor, Q(DT), was about 0.15. With an optimum tritium concentration, this pulse would have produced a fusion power of almost-equal-to 5 MW and a nominal Q(DT) almost-equal-to 0.46. The same extrapolation for the pure deuterium discharge would have given almost-equal-to 11 MW and a nominal Q(DT) = 1.14, so that the total fusion power (neutrons and alpha-particles) would have exceeded the total losses in the equivalent deuterium-tritium discharge in these transient conditions. Techniques for introducing, tracking, monitoring and recovering tritium were demonstrated to be highly effective: essentially all of the tritium introduced into the neutral beam system and, so far, about two thirds of that introduced into the torus have been recovered.

Published
1992

41. Recent Results from the Lower Hybrid Current Drive Experiment on JET

Author

Brusati, M., primary, Ekedahl, A., additional, Froissard, P., additional, Gormezano, C., additional, Jacquinot, J., additional, Lennholm, M., additional, Lomas, P. J., additional, Pain, M., additional, Andrade, M. C. R. de, additional, Rimini, F., additional, Schild, P., additional, and Start, D., additional

Published
1992
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43. Design and calibration of the JET neutral particle analyzer.

Author

Bartiromo, R., Bracco, G., Brusati, M., Grosso, G., Mantovani, S., Tilia, B., and Zanza, V.

Subjects
NUCLEAR physics instruments, TOKAMAKS
Abstract

The neutral particle analyzer with energy and mass selection capability built for JET is described. The analyzer is able to detect in the same shot both H atoms from 0.3 to 320 keV and D atoms from 0.15 to 160 keV. In order to optimize the ion optics of the analyzer an oblique entrance in the magnet has been chosen. An ion trajectory code shows that in this way a good mass separation and a high efficiency can be achieved. The problems inherent in the analyzer calibration for a wide energy range are discussed, and the calibration procedure is described. In conclusion, the calibration results obtained with five analyzers are presented, together with theoretical consideration on ion optics and atomic processes, which have enabled us to write a simple interpolation formula for the experimental data. [ABSTRACT FROM AUTHOR]

Published
1987
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45. Energy confinement in JET ohmically heated plasmas

Author

Bartlett, D.V., Bickerton, R.J., Brusati, M., Campbell, D.J., Christiansen, J.P., Cordey, J.G., Corti, S., Costley, A.E., Edwards, A., Fessey, J., Gadeberg, M., Gibson, A., Gill, R.D., Gottardi, N., Gondhalekar, A., Gowers, C.W., Hendriks, F., Jarvis, O.N., Källne, E., Källne, J., Kissel, S., De Kock, L.C.J.M., Krause, H., Lazzaro, E., Lomas, P.J., Mast, F.K., Morgan, P.D., Nielsen, P., Prentice, R., Ross, R.T., O'Rourke, J., Sadler, G., Schüller, F.C., Stamp, M.F., Stott, P.E., Summers, D.R., Tanga, A., Taroni, A., Thomas, P.R., Tibone, F., Tonetti, G., Tubbing, B.J.D., and Watkins, M.L.

Abstract

The energy confinement properties of ohmically heated JET discharges are discussed in detail, from both a local and a global point of view. Also, the plasma resistivity and poloidal field diffusion are discussed in some detail.

Published
1988
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46. Magnetic separatrix experiments in JET

Author

Tanga, A., Behringer, K.H., Costley, A.E., Brusati, M., Denne, B., Edwards, A., Gibson, A., Gill, R.D., Gottardi, N., Granetz, R., Harbour, P.J., Jäckel, H., Keilhacker, M., Lazzaro, E., Malacarne, M., Morgan, P.D., Noll, P., O'Rourke, J., Stott, P.E., Summers, D.R., Tagle, J.A., and Thomas, P.R.

Abstract

Magnetic separatrix configurations have been produced in JET for plasma currents of up to 3 MA. Experimental results obtained with these configurations show that some features can be achieved that are common to divertor tokamaks. In Ohmic discharges, high recycling regimes can be produced. In neutral beam heated discharges, substantial improvement of the energy confinement time is achieved together with the characteristic signatures of an H-mode. These characteristics include improved particle confinement, flatter density profile, and an increase in electron temperature especially at the edge, leading to a characteristic pedestal feature. At higher neutral beam power, higher plasma densities are reached, with deterioration of beam penetration and strong radiation losses in the outer region of the plasma. The global energy confinement time in the H-mode is observed to degrade with additional power. However, results of radial power balance analysis suggest that in the central region, where the radiation is not important, the degradation of confinement is small.

Published
1987
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47. Ion energy balance in Ohmically heated PLT discharges

Author

Brusati, M., Davis, S.L., Hosea, J.C., Strachan, J.D., and Suckewer, S.

Abstract

Radial profiles of the ion temperature have been measured on PLT by using neutron flux Doppler broadening of oxygen, carbon and helium line radiations, and charge exchange. The ion temperature (1.2 keV) is consistent with Hinton-Rosenbluth neoclassical heat conduction in the plateau regime as the dominant energy loss from the plasma with central ion energy confinement times 0.1 s.

Published
1978
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48. Energy transport in JET with ohmic and auxiliary heating

Author

Thomsen, K., Bartlett, D., Bhatnagar, V., Bickerton, R., Brusati, M., Bures, M., Campbell, D., Christiansen, J., Cordey, J., Corti, S., Costley, A., Cottrell, G., Duesing, G., Edwards, A., Ejima, S., Fessey, J., Gadeberg, M., Gibson, A., Gill, R., Gottardi, N., Gondhalekar, A., Gowers, C., Hendricks, F., Jacquinot, J., Jarvis, O., Kallne, E., Kallne, J., Kissel, S., de Kock, L., Lallia, P., Lazzaro, E., Lomas, P., Morgan, P., Nielsen, P., Prentice, R., Ross, R., O'Rourke, J., Sadler, G., Schüller, F., Stäbler, A., Stamp, M., Stott, P., Summers, D., Tanga, A., Taroni, A., Thomas, P., Thompson, E., Tibone, F., Tonetti, G., Tubbing, B., and Watkins, M.

Published
1986

50. JET - PROGRESS IN PERFORMANCE AND UNDERSTANDING

Author

Keilhacker, M., Adams, Jm, Altmann, H., Andersen, A., Andrew, P., Angelone, M., Arshad, Sa, Bailey, W., Ballantyne, P., Balet, B., Barabaschi, P., Barnsley, R., Baronian, M., Bartlett, Dv, Bell, Ac, Benfatto, I., Benali, G., Bergsaker, H., Bertoldi, P., Bertolini, E., Bhatnagar, V., Bickley, Aj, Bindslev, H., Bonicelli, T., Booth, Sj, Bosia, G., Botman, M., Boucher, D., Boucquey, P., Breger, P., Brelen, H., Brinkschulte, H., Brown, T., Brusati, M., Budd, T., Bures, M., Businaro, T., Butcher, P., Buttgereit, H., Caldwellnichols, C., Campbell, Dj, Card, P., Celentano, G., Challis, Cd, Chankin, Av, Chiron, D., Christiansen, J., Christodoulopoulos, C., Chuilon, P., Claesen, R., Clement, S., Clipsham, E., Coad, Jp, Comiskey, M., Conroy, S., Cooke, M., Cooper, S., Cordey, Jg, Core, W., Corrigan, G., Corti, S., Costley, Ae, Cottrell, G., Cox, M., Cripwell, P., Deblank, H., Deesch, H., Dekock, L., Deksnis, E., Dennehinnov, Gb, Deschamps, G., Dietz, Kj, Dmitrenko, Sl, Dobbing, J., Dolgetta, N., Dorling, Se, Doyle, Pg, Duchs, Df, Duquenoy, H., Edwards, A., Ehrenberg, J., Ekedahl, A., Elevant, T., Erents, Sk, Eriksson, Lg, Fajemirokun, H., Falter, H., Flory, D., Freiling, J., Froger, C., Froissard, P., Fullard, K., Gadeberg, M., Galetsas, A., Gambier, D., Garribba, M., Gaze, P., Giannella, R., Gibson, A., Gill, Rd, Girard, A., Gondhalekar, A., Gormezano, C., Gottardi, Na, Gowers, C., Green, Bj, Haange, R., Haas, G., Haigh, A., Gregory Hammett, Hancock, Cj, Harbour, Pj, Hawkes, Nc, Haynes, P., Hemmerich, Jl, Hender, T., Herzog, Fb, Herzog, Rf, Hoekzema, J., How, J., Huart, M., Hughes, I., Hughes, Tp, Hugon, M., Huguet, M., Hwang, A., Ingram, B., Irving, M., Jacquinot, J., Jaeckel, H., Jaeger, Jf, Janeschitz, G., Jankowicz, S., Jarvis, On, Jensen, F., Jones, Em, Jones, Lpdf, Jones, Ttc, Junger, Jf, Junique, E., Kaye, A., Keen, Be, Kelly, Gj, Kerner, W., Konig, R., Konstantellos, A., Kovanen, M., Kramer, G., Kupschus, P., Lasser, R., Last, Jr, Laundy, B., Laurotaroni, L., Lawson, K., Lennholm, M., Loarte, A., Lobel, R., Lomas, P., Loughlin, M., Lowry, C., Macklin, B., Maddison, G., Magyar, G., Mandl, W., Marchese, V., Marcus, F., Mart, J., Martin, E., Martinsolis, R., Massmann, P., Mccracken, G., Meriguet, P., Miele, P., Mills, Sf, Millward, P., Mohanti, R., Mondino, Pl, Montvai, A., Moriyama, S., Morgan, P., Morsi, H., Murphy, G., Mynarends, M., Myrnas, R., Nardone, C., Nave, F., Newbert, G., Newman, M., Nielsen, P., Noll, P., Obert, W., Obrien, D., Orourke, J., Ostrom, R., Ottaviani, M., Pain, M., Paoletti, F., Papastergiou, S., Pasini, D., Peacock, A., Peacock, N., Pearson, D., Desilva, Rp, Perinic, G., Perry, C., Pick, M., Pitts, R., Plancoulaine, J., Poffe, Jp, Porcelli, F., Porte, L., Prentice, R., Puppin, S., Putvinsko, S., Radford, G., Raimondi, T., Deandrade, Mcr, Rebut, Ph, Reichle, R., Righi, E., Rimini, F., Robinson, D., Rolfe, A., Ross, Rt, Rossi, L., Russ, R., Rutter, P., Sack, Hc, Sadler, G., Saibene, G., Salanave, Jl, Sanazzaro, G., Santagiustina, A., Sartori, R., Sborchia, C., Schild, P., Schmid, M., Schmidt, G., Schunke, B., Scott, Sm, Sibley, A., Simonini, R., Sips, Acc, Smeulders, P., Stankiewicz, R., Stamp, M., Stangeby, P., Start, Df, Steed, Ca, Stork, D., Stott, Pe, Stringer, Te, Stubberfield, P., Summers, D., Summers, H., Svensson, L., Tagle, Ja, Tanga, A., Taroni, A., Tesini, A., Thomas, Pr, Thompson, E., Thomsen, K., Todd, Jm, Trevalion, P., Tubbing, B., Tibone, F., Usselmann, E., Vanderbeken, H., Vlases, G., Vonhellermann, M., Wade, T., Walker, C., Walton, R., Ward, D., Watkins, Ml, Watson, Mj, Weber, S., Wesson, J., Wijnands, Tj, Wilks, J., Wilson, D., Winkel, T., Wolf, R., Wolle, B., Wong, D., Woodward, C., Wu, Y., Wykes, M., Young, Id, Zannelli, L., Zhu, Y., and Zwingmann, W.

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