J
J. P. Fransen
Publications - 2
Citations - 2289
J. P. Fransen is an academic researcher. The author has contributed to research in topics: Hadron & CP violation. The author has an hindex of 1, co-authored 1 publications receiving 2087 citations.
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Journal ArticleDOI
The LHCb detector at the LHC
A. A. Alves,L. M. Andrade Filho,A. F. Barbosa,Ignacio Bediaga,G. Cernicchiaro,G. Guerrer,H. P. Lima Jr,A. A. Machado,J. Magnin,F. Marujo,J. M. De Miranda,Alberto dos Reis,A. S. Santos,Alessandra Choqueta de Toledo,Kazuyoshi Carvalho Akiba,Sandra Amato,B. De Souza Paula,L. De Paula,T. da Silva,M. Gandelman,Jose Lopes,B. Marechal,D. Moraes,Erica Polycarpo,F. Ferreira Rodrigues,J. Ballansat,Y. Bastian,D. Boget,I. De Bonis,Victor Coco,Pieter David,D. Decamp,P. Delebecque,C. Drancourt,N. Dumont-Dayot,C. Girard,B. Lieunard,M. N. Minard,B. Pietrzyk,T. Rambure,G. Rospabe,Stephane T'Jampens,Ziad Ajaltouni,G. Bohner,R. Bonnefoy,David Borras,C. Carloganu,H. Chanal,Eric Conte,R. Cornat,M. Crouau,E. Delage,Olivier Deschamps,Pierre Henrard,Philippe Jacquet,C. Lacan,J. Laubser,J. Lecoq,R. Lefèvre,M. Magne,M. Martemiyanov,M. L. Mercier,S. Monteil,V. Niess,Pascal Perret,G. Reinmuth,Anne Robert,S. Suchorski,K. Arnaud,Elie Aslanides,J. Babel,C. Benchouk,J.-P. Cachemiche,J. G. Cogan,Frederic Derue,B. Dinkespiler,P.-Y. Duval,Vincent Garonne,S. Favard,R. Le Gac,F. Leon,Olivier Leroy,P. L. Liotard,Francesco Marin,Mohsine Menouni,P. Ollive,S. Poss,A. Roche,M. Sapunov,L. Tocco,Benoit Viaud,Andrei Tsaregorodtsev,Yasmine Amhis,G. C. Barrand,Sergey Barsuk,C. Beigbeder,R. Beneyton,D. Breton,O. Callot,D. Charlet,B. D'Almagne,O. Duarte,F. Fulda-Quenzer,A. Jacholkowska,B. Jean-Marie,Jacques Lefrançois,Frederic Machefert,Patrick Robbe,Marie Helene Schune,V. Tocut,I. Videau,M. Benayoun,P. N. Y. David,L. Del Buono,Geoffrey Gilles,M. Domke,H. Futterschneider,Ch. Ilgner,P. Kapusta,M. Kolander,R. Krause,M. Lieng,M. Nedos,K. Rudloff,S. Schleich,R. Schwierz,B. Spaan,K. Wacker,K. Warda,M. Agari,C. Bauer,D. Baumeister,N. Bulian,H. P. Fuchs,W. Fallot-Burghardt,T. Glebe,Werner Hofmann,K. T. Knöpfle,S. Löchner,A. Ludwig,Florin Maciuc,F. Sanchez Nieto,Michael Schmelling,B. Schwingenheuer,E. Sexauer,Nigel Smale,U. Trunk,H. Voss,Johannes Albrecht,Sebastian Bachmann,J. Blouw,M. Deissenroth,H. Deppe,H. B. Dreis,F. Eisele,T. Haas,Stephanie Hansmann-Menzemer,S. Hennenberger,J. Knopf,M. Moch,Adrian Perieanu,S. Rabenecker,A. Rausch,C Rummel,R. Rusnyak,Manuel Schiller,U. Stange,U. Uwer,M. Walter,R. Ziegler,G. Avoni,G. Balbi,F. Bonifazi,D. Bortolotti,A. Carbone,I. d'Antone,Domenico Galli,D. Gregori,I. Lax,U. Marconi,G. Peco,Vincenzo Vagnoni,Giovanni Valenti,Stefania Vecchi,W. Bonivento,Alessandro Cardini,S. Cadeddu,V. Deleo,C. Deplano,S. Furcas,A. Lai,R. Oldeman,D. Raspino,Biagio Saitta,Nicola Serra,Wander Baldini,S. Brusa,S. Chiozzi,A. Cotta Ramusino,F. Evangelisti,A. Franconieri,S. Germani,A. Gianoli,L. Guoming,L. Landi,Roberto Malaguti,C. Padoan,C. Pennini,M. Savrie,S. Squerzanti,T. Zhao,M. Zhu,Andrea Bizzeti,Giacomo Graziani,M. Lenti,M. Lenzi,F. Maletta,S. Pennazzi,G. Passaleva,M. Veltri,M. Alfonsi,M. Anelli,A. Balla,A. Battisti,G. Bencivenni,P. Campana,M. Carletti,Paolo Ciambrone,G. Corradi,E. Dané,A. Divirgilio,P. Desimone,G. Felici,C. Forti,M. Gatta,Gaia Lanfranchi,F. Murtas,M. Pistilli,M. Poli Lener,R. Rosellini,M. Santoni,A. Saputi,Alessio Sarti,Adalberto Sciubba,A. Zossi,M. Ameri,S. Cuneo,Flavio Fontanelli,Valerio Gracco,G. Mini,M. Parodi,Alessandro Petrolini,Mario Sannino,A. Vinci,M. Alemi,C. Arnaboldi,T. Bellunato,Marta Calvi,F. Chignoli,A. De Lucia,G. Galotta,R. Mazza,C. Matteuzzi,M. Musy,P. Negri,D. L. Perego,G. Pessina,G. Auriemma,V. Bocci,A. Buccheri,G. Chiodi,S. Di Marco,Francesco Iacoangeli,G. Martellotti,R. Nobrega,A. Pelosi,Gianni Penso,Davide Pinci,W. Rinaldi,Alfredo De Rossi,R. Santacesaria,C. Satriano,Giovanni Carboni,M. Iannilli,A. Massafferri Rodrigues,R. Messi,G. Paoluzzi,G. Sabatino,Emanuele Santovetti,Alessia Satta,J. Amoraal,G. W. Van Apeldoorn,R. Arink,N. Van Bakel,Th. S. Bauer,A. Berkien,M. van Beuzekom,E. Bos,Ch. Bron,L. Ceelie,M. Doets,R Van der Eijk,J. P. Fransen,P. De Groen,V. Gromov,R. Hierck,J. Homma,Bart Hommels,W. Hoogland,Eddy Jans,F. Jansen,L. Jansen,M. Jaspers,B. Kaan,B. Koene,J. Koopstra,F. Kroes,M. Kraan,J. Langedijk,Marcel Merk,S. Mos,B. Munneke,J. Palacios,A. Papadelis,A. Pellegrino,O. van Petten,T. du Pree,E. Roeland,W. Ruckstuhl,A. Schimmel,H. Schuijlenburg,T. Sluijk,J. Spelt,J. Stolte,H. Terrier,Niels Tuning,A. Van Lysebetten,Peter Vankov,J. Verkooijen,B. Verlaat,W. Vink,H. de Vries,L.W. Wiggers,G. V. Ybeles Smit,N. Zaitsev,M. Zupan,A. Zwart,J. F. J. van den Brand,H. J. Bulten,M. de Jong,Tjeerd Ketel,Sander Klous,J. Kos,B. M'charek,F. Mul,G. Raven,Eduard Simioni,Jianping Cheng,G. Dai,Z. Deng,Yang Gao,G. Gong,H. Gong,J. He,L. Hou,Jing Li,W. Qian,B. B. Shao,Tao Xue,Zhenwei Yang,Ming Zeng,B. Muryn,Krzysztof Ciba,Agnieszka Oblakowska-Mucha,J. Blocki,K. Galuszka,L. Hajduk,Jerzy Michalowski,Z. Natkaniec,G. Polok,Marek Stodulski,Mariusz Witek,K. Brzozowski,A. Chlopik,P. Gawor,Z. Guzik,A. Nawrot,A. Srednicki,K. Syryczynski,Marek Szczekowski,F. Constantin,P. Cristian,Gh. Mihon,C. Pavel,S. Stoica,S. Filippov,Yu. Gavrilov,L. Golyshkin,Evgeny Gushchin,Oleg Karavichev,V. Klubakov,Leonid Kravchuk,V. Kutuzov,S. Laptev,Sergei Popov,A. Arefev,B. Bobchenko,V. Dolgoshein,Victor Egorychev,Andrey Golutvin,O. Gushchin,A. Konoplyannikov,I. Korolko,Tengiz Kvaratskheliya,I. Machikhiliyan,S. Malyshev,E. Mayatskaya,M. Prokudin,D. Rusinov,V. Rusinov,Pavel Shatalov,Lesya Shchutska,E. Tarkovskiy,A. Tayduganov,K. Voronchev,O. Zhiryakova,A V Bobrov,Alexander Bondar,Semen Eidelman,A. Kozlinsky,Lev Shekhtman,K. Beloous,R. Dzhelyadin,Yu. V. Gelitsky,Yu. Gouz,K. G. Kachnov,A. Kobelev,Viktor Matveev,V. Novikov,V. Obraztsov,A. P. Ostankov,V. Romanovsky,V.I. Rykalin,A. Soldatov,M. M. Soldatov,E. N. Tchernov,O. Yushchenko,B. Bochin,Nikolay Bondar,O. Fedorov,V. Golovtsov,S. Guets,A. Kashchuk,V. Lazarev,Oleg Maev,P. Neustroev,Naylya Sagidova,E. Spiridenkov,Serguei Volkov,Alexey Vorobyev,An.A. Vorobyov,E. Aguilo,S.A. Bota,M. Calvo,A. Comerma,X. Cano,Angel Dieguez,A. Herms,E. Lopez,S. Luengo,J. Garra,Ll. Garrido,David Gascon,A. Gaspar de Valenzuela,C. Gonzalez,Ricardo Graciani,E. Grauges,A. Perez. Calero,E. Picatoste,J. Riera,M. Rosello,H. Ruiz,X. Vilasis,X. Xirgu,Bernardo Adeva,X. Cid Vidal,D. Marténez Santos,D. Esperante Pereira,J. L. Fungueirino Pazos,A. Gallas Torreira,C. Lois Gomez,A. Pazos Alvarez,E. Perez Trigo,M. Plo Casasus,C. Rodriguez Cobo,P. Rodriguez Perez,J. Saborido,M. Seco,P. Vazquez Regueiro,P. Bartalini,A. Bay,Marc-Olivier Bettler,F. Blanc,J. Borel,B. Carron,C. Currat,G. Conti,O. Dormond,Y. Ermoline,P. Fauland,L. Fernandez,R. Frei,Guido Gagliardi,N. Gueissaz,Guido Haefeli,Adlène Hicheur,C. Jacoby,P. Jalocha,S. Jimenez-Otero,J P Hertig,M. Knecht,Federica Legger,L. Locatelli,J. R. Moser,Matthew Needham,L. Nicolas,A. Perrin-Giacomin,Jean-Pierre Perroud,C. Potterat,F. J. Ronga,O. Schneider,T. Schietinger,D. Steele,L. Studer,M. Tareb,Minh Tâm Tran,J. van Hunen,K. Vervink,Sara Villa,N. Zwahlen,Roland Bernet,A. Büchler,J. Gassner,F. Lehner,T. Sakhelashvili,C. Salzmann,P. Sievers,S. Steiner,O. Steinkamp,U. Straumann,J. van Tilburg,A. Vollhardt,D. Volyanskyy,M. Ziegler,Anatoliy Dovbnya,Y Ranyuk,Illya Shapoval,M. Borisova,V. Iakovenko,V. Kyva,O. Kovalchuk,O. Okhrimenko,Valery Pugatch,Y. Pylypchenko,Marco Adinolfi,N. H. Brook,RD Head,J. Imong,K. Lessnoff,F. Metlica,A. J. Muir,Jonas Rademacker,A. Solomin,P. M. Szczypka,C. Barham,C. Buszello,J. Dickens,Valerie Gibson,S. C. Haines,K. Harrison,Christopher Jones,S G Katvars,U. Kerzel,Cristina Lazzeroni,Yang Li,G. Rogers,John W. V. Storey,Hugh Philip Skottowe,S. A. Wotton,Tim Adye,C. Densham,Sajan Easo,B. Franek,P. Loveridge,D. Morrow,John Verlin Morris,R. Nandakumar,J. Nardulli,Antonios Papanestis,G. N. Patrick,S. Ricciardi,Michael L. Woodward,Zhen Zhang,R. Chamonal,Philip James Clark,Peter Clarke,Stephan Eisenhardt,N. Gilardi,Akram Khan,Yongsun Kim,R. W. Lambert,J. Lawrence,A. Main,J. Mccarron,Colin Mclean,Franz Muheim,A. F. Osorio-Oliveros,S. Playfer,Nicholas Adam Styles,Yuehong Xie,A. G. Bates,Laurence Carson,F. da Cunha Marinho,F. Doherty,Lars Eklund,Marco Gersabeck,L. Haddad,A. Macgregor,J. J. Melone,F. McEwan,D. Petrie,S. Paterson,C. Parkes,A. Pickford,B. Rakotomiaramanana,Eduardo Rodrigues,Aldo Saavedra,F. J. P. Soler,Tomasz Szumlak,S. Viret,L. Allebone,O. Awunor,John Back,G.J. Barber,Chris P. Barnes,B. Cameron,D. Clark,I. Clark,P. J. Dornan,A. Duane,C. Eames,Ulrik Egede,Maria Girone,S. Greenwood,R. Hallam,R. Hare,A. Howard,S. Jolly,V. Kasey,M. Khaleeq,Patrick Koppenburg,David Miller,R. Plackett,Darren Price,W. Reece,P. Savage,T. Savidge,Brinick Simmons,G. Vidal-Sitjes,D. Websdale,A. Affolder,J. Anderson,S.F. Biagi,T. J. V. Bowcock,J. Carroll,Gianluigi Casse,P. Cooke,S. Donleavy,L. Dwyer,Karol Hennessy,T. Huse,David Hutchcroft,D. Jones,M. Lockwood,M. McCubbin,R. McNulty,D. Muskett,A. Noor,G. D. Patel,Kurt Rinnert,Tara Shears,N. A. Smith,G. Southern,I. Stavitski,P. Sutcliffe,M. Tobin,S. M. Traynor,P.R. Turner,M. Whitley,M. Wormald,V. Wright,J.H. Bibby,S. Brisbane,Matthew Brock,Matthew Charles,C. Cioffi,Vladimir Gligorov,T. Handford,Neville Harnew,F. J. Harris,Malcolm John,M. Jones,J. Libby,L. Martin,I. A. Mcarthur,R. Muresan,C. Newby,B. Ottewell,A. Powell,N. Rotolo,R. Senanayake,L. Somerville,A. Soroko,P. Spradlin,P. Sullivan,I. Stokes-Rees,S. Topp-Jorgensen,F. Xing,Guy Wilkinson,Marina Artuso,Ivan Belyaev,S. Blusk,G. Lefeuvre,N. Menaa,R. Menaa-Sia,R. Mountain,T. Skwarnicki,Sheldon Stone,Jing Wang,L. Abadie,G. Aglieri-Rinella,E. Albrecht,J André,G. Anelli,N. Arnaud,Andre Augustinus,F. Bal,M. C. Barandela Pazos,A. Barczyk,M Bargiotti,J. C. Batista Lopes,O. Behrendt,S. Berni,P. Binko,V. Bobillier,A. Braem,L. Brarda,J. Buytaert,L. Camilleri,M. Cambpell,G. Castellani,F. Cataneo,Marco Cattaneo,B. Chadaj,Ph. Charpentier,S. Cherukuwada,E. Chesi,J. Christiansen,R. Chytracek,Marco Clemencic,Joel Closier,P. Collins,P. Colrain,O. C. Cooke,B. Corajod,Gloria Corti,Carmelo D'Ambrosio,B. Damodaran,C. David,S. De Capua,G. Decreuse,H. Degaudenzi,Hans Dijkstra,J. P. Droulez,D. Duarte Ramos,J. P. Dufey,Raphael Dumps,Doris Eckstein,M. Ferro-Luzzi,Frank Fiedler,Frank Filthaut,W. Flegel,Roger Forty,Clarisse Fournier,Markus Frank,Christoph Frei,Benjamin Gaidioz,C. Gaspar,Jean-Christophe Gayde,Ph. Gavillet,A. Go,G. Gracia Abril,J. S. Graulich,P A Giudici,A. Guirao Elias,P. Guglielmini,Thierry Gys,F. Hahn,S. Haider,John T Harvey,B Hay,J. A. Hernando Morata,J. Herranz Alvarez,E. van Herwijnen,H. J. Hilke,G. von Holtey,Wouter Hulsbergen,Richard Jacobsson,O. Jamet,Christian Joram,Beat Jost,Naoko Kanaya,J. Knaster Refolio,S. Koestner,M. Koratzinos,R. Kristic,Daniel Lacarrere,C. Lasseur,T. Lastovicka,M. Laub,Dietrich Liko,C. Lippmann,R. Lindner,M. Losasso,A. A. Maier,K. Mair,P. Maley,P. Mato Vila,G. Moine,J. Morant,M. Moritz,Jakub Moscicki,M. Muecke,H. Mueller,Tatsuya Nakada,Niko Neufeld,J. Ocariz,C. Padilla Aranda,Ulrich Parzefall,Maulik R. Patel,M. Pepe-Altarelli,D. Piedigrossi,M. Pivk,W. Pokorski,Sebastien Ponce,F. Ranjard,Werner Riegler,J. Renaud,Stefan Roiser,L. Roy,T. Ruf,D. Ruffinoni,S. Saladino,A. Sambade Varela,R. Santinelli,S. Schmelling,B. Schmidt,Thomas Schneider,André Schöning,A. Schopper,Jacques Séguinot,W. Snoeys,Alexander K. Smith,A.C. Smith,P. Somogyi,Radu Stoica,W. Tejessy,Frederic Teubert,E. G. Thomas,J. Toledo Alarcon,O. Ullaland,A. Valassi,P. Vannerem,Raymond Veness,P. Wicht,D. Wiedner,W. Witzeling,A.E. Wright,Kenneth Wyllie,T. Ypsilantis +889 more
TL;DR: The LHCb experiment is dedicated to precision measurements of CP violation and rare decays of B hadrons at the Large Hadron Collider (LHC) at CERN (Geneva).
Peer ReviewDOI
The KM3NeT multi-PMT optical module
Sebastiano Aiello,A. Albert,Maitha Alshamsi,S. Alves Garre,Zineb Aly,Antonio Ambrosone,Fabrizio Ameli,Michel André,G. Androulakis,M. Anghinolfi,Manuel Anguita,Miguel Ardid,Salva Ardid,Julien Aublin,T. Avgitas,C. Bagatelas,Louis Bailly-Salins,Bruny Baret,S. Başeğmez du Pree,M. Bendahman,F. Benfenati,E. Berbee,A. M. van den Berg,Vincent Bertin,V. van Beveren,S.F. Biagi,Robert de Boer,Marita Boettcher,M. Bou Cabo,Jihad Boumaaza,M. Bouta,M.C. Bouwhuis,Cristiano Bozza,H. Brânzaş,R. Bruijn,Jürgen Brunner,Robin Bruno,E. J. Buis,Raffaele Buompane,Jose Busto,G. Cacopardo,B. Caiffi,D. Calvo,Stefano Campion,A. Capone,V. Carretero,Paolo Castaldi,Silvia Celli,Mohamed Chabab,Christophe Champion,Nhan Chau,A. W. Chen,Silvio Cherubini,Vitaliano Chiarella,Tommaso Chiarusi,M. Circella,Rosanna Cocimano,J. A. B. Coelho,Alexis Coleiro,M. Colomer Molla,R. Coniglione,P. Coyle,A. Creusot,Anvil Cruz,Giacomo Cuttone,C. D'Amato,A. D'Amico,Richard Dallier,A. De Benedittis,B. De Martino,G. de Wasseige,I. Di Palma,Antonio F. Díaz,Dídac Diego-Tortosa,C. Distefano,Alba Domi,Corinne Donzaud,D. Dornic,Martin Dörr,E. Drakopoulou,Doriane Drouhin,Thomas Eberl,Ahmed Eddyamoui,T. van Eeden,D. van Eijk,I. El Bojaddaini,Sonia El Hedri,A. Enzenhöfer,Valeriano Suárez Espinosa,Paolo Fermani,Giovanna Ferrara,M.D. Filipovic,Fabrizio Filippini,J. P. Fransen,Luigi Antonio Fusco,D. Gajanana,T. Gal,J. García Méndez,A. García Soto,F. Garufi,Y. Gatelet,C. Gatius Oliver,N. Geißelbrecht,Leigh Gialanella,Emidio Giorgio,S. R. Gozzini,R. Gracia,Kay Graf,G. Grella,Andreja Grmek,I.V. Gromov,D. Guderian,C. Guidi,Benoit Guillon,Miguel Gutiérrez,J. Häfner,L. Haegel,Steffen Hallmann,Hassane Hamdaoui,H. van Haren,A. Heijboer,A. Hekalo,Lukas Hennig,J.J. Hernández-Rey,J. Hofestädt,F. Huang,W. Idrissi Ibnsalih,A. Ilioni,Giulia Illuminati,C. W. James,Davit Janezashvili,P. Jansweijer,M. de Jong,P. de Jong,Bouke Jisse Jung,Piotr Kalaczyński,O. Kalekin,Uli Katz,F.E. Kayzel,N. Khan Chowdhury,Giorgi Kistauri,F. van der Knaap,P.M. Kooijman,Jan Koopstra,Antoine Kouchner,Vladimir Kulikovskiy,M. Labalme,Robert Lahmann,M. Lamoureux,Giuseppina Larosa,C. Lastoria,Alfonso Lazo,Ronan Le Breton,Sébastien Le Stum,G. Lehaut,Ornella Leonardi,Francesco Leone,Emanuele Leonora,Nadja Lessing,George Levi,Massimiliano Lincetto,Miles Lindsey Clark,C. D. Llorens Alvarez,Fabio Longhitano,D. Lopez-Coto,L. Maderer,Jhilik Majumdar,J. Manczak,Annarita Margiotta,A. Marinelli,C. Markou,Luis Martín,J.A. Martínez-Mora,Agnese Martini,Fabio Marzaioli,S. Mastroianni,Karel Melis,Gennaro Miele,P. Migliozzi,E. Migneco,P. Mijakowski,L. S. Miranda,Carlos Maximiliano Mollo,M. Mongelli,Abdelilah Moussa,R. Muller,Mario Musumeci,L. Nauta,S. Navas,Carlo Alessandro Nicolau,Bhuti Nkosi,B. Ó Fearraigh,Mitchell O'Sullivan,M. Organokov,A. Orlando,J. Palacios González,G. Papalashvili,Riccardo Papaleo,Gianluca Passaro,G. Passaro,C. Pastore,Alice Paun,G.E. Păvălaş,G. Pellegrini,C. Pellegrino,M. Perrin-Terrin,V. Pestel,Paolo Piattelli,C. Pieterse,Ofelia Pisanti,C. Poirè,V. Popa,T. Pradier,Isabella Probst,Sara Pulvirenti,G. Quéméner,N. Randazzo,Soebur Razzaque,Diego Real,Stefan Reck,Giorgio Riccobene,Raffaele Rocco,Andrey Romanov,A. Rovelli,F. Salesa Greus,D. F. E. Samtleben,A. Sánchez Losa,Matteo Sanguineti,Domenico Santonocito,Piera Sapienza,R. Schmeitz,J. Schmelling,Jutta Schnabel,Martin Friedrich Schneider,J. Schumann,H. M. Schutte,J. Seneca,I. Sgura,Rezo Shanidze,A. Sharma,A. Sinopoulou,Mikhail Smirnov,Bernardino Spisso,Maurizio Spurio,D. Stavropoulos,Simona Maria Stellacci,M. Taiuti,Francesca Tatone,Yahya Tayalati,H. Tedjditi,Hannes Thiersen,P. Timmer,Susan Tingay,Stavroula Tsagkli,Vasileios Tsourapis,E. Tzamariudaki,D. Tzanetatos,C. Valieri,V. Van Elewyck,G. Vasileiadis,Federico Versari,S. Viola,Daniele Vivolo,Jörn Wilms,R. Wojaczyński,Els de Wolf,Tarik Yousfi,Sandra Zavatarelli,Angela Zegarelli,Daniele Zito,J.D. Zornoza,J. Zúñiga,Natalia Żywucka +272 more
TL;DR: The optical module of the KM3NeT neutrino telescope is an innovative multi-faceted large area photodetection module as mentioned in this paper , which contains 31 three-inch photomultiplier tubes in a single 0.44 m diameter pressure-resistant glass sphere.