A
A. Caldwell
Researcher at Columbia University
Publications - 43
Citations - 4128
A. Caldwell is an academic researcher from Columbia University. The author has contributed to research in topics: HERA & ZEUS (particle detector). The author has an hindex of 26, co-authored 43 publications receiving 3939 citations. Previous affiliations of A. Caldwell include Max Planck Society.
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Journal ArticleDOI
Heavy quarkonium: progress, puzzles, and opportunities
Nora Brambilla,Semen Eidelman,Brian Heltsley,Ramona Vogt,Ramona Vogt,G. T. Bodwin,Estia Eichten,A. D. Frawley,A. B. Meyer,Ryan E. Mitchell,V. Papadimitriou,Peter Petreczky,Alexey A. Petrov,Patrick Robbe,Antonio Vairo,Anton Andronic,Roberta Arnaldi,Pierre Artoisenet,Gunnar S. Bali,A. Bertolin,D. Bettoni,Jolanta Brodzicka,Giuseppe Bruno,A. Caldwell,J. R. Catmore,C. H. Chang,Kuang-Ta Chao,E. Chudakov,Pietro Cortese,Philippe Crochet,A. Drutskoy,Ulrich Ellwanger,Pietro Faccioli,A. Gabareen Mokhtar,X. Garcia i Tormo,Christoph Hanhart,F. A. Harris,D. M. Kaplan,S. R. Klein,H. Kowalski,Jean-Philippe Lansberg,E. Levichev,V. P. Lombardo,Carlos Lourenco,Fabio Maltoni,Agnes Mocsy,R. Mussa,Fernando S. Navarra,Matteo Negrini,Marina Nielsen,S. L. Olsen,P. Pakhlov,G. Pakhlova,Krisztian Peters,Antonio D. Polosa,W. Qian,Jian-Wei Qiu,Jian-Wei Qiu,G. Rong,M. A. Sanchis-Lozano,Enrico Scomparin,P. Senger,Frank Simon,Frank Simon,S. Stracka,Yukinari Sumino,Mikhail B Voloshin,C. Weiss,H. K. Wöhri,C. Z. Yuan +69 more
TL;DR: The early years of this period were chronicled in the Quarkonium Working Group (QWG) CERN Yellow Report (YR) in 2004, which presented a comprehensive review of the status of the field at that time and provided specific recommendations for further progress as mentioned in this paper.
Journal ArticleDOI
Construction and beam test of the ZEUS forward and rear calorimeter
A. Andresen,A. Bamberger,A. Bargende,Fernando Barreiro,Ulf Behrens,Stan Bentvelsen,M. Brkic,B.D. Burow,A. Caldwell,G. Cases,Francois Corriveau,James Crittenden,A. Dake,A. Dannemann,J. W. Dawson,K. Dierks,G. Drews,J. Engelen,H.F. Fawcett,Wr Frisken,A Furtjes,D. J. Gilkinson,L. Hagge,R. Hamatsu,D. S. Hanna,Jens Hartmann,T. Hasegawa,D. Hasell,Masashi Hazumi,Luis Hervas,E. Hilger,U. Holm,Takehiko Ishii,P. de Jong,H. Kammerlocher,S. Kasai,S. Kitamura,Robert Klanner,P. Kooijman,U. Kötz,M. Krämer,B. Krebs,W. Kröger,J. Krüger,M. Kuze,Gm Levman,T. Lindenberg,H. v. d. Lugt,J. F. Martin,J.K. Mayer,Jonathan Mitchell,Pm Patel,T. Poser,K. Prange,S. Ritz,M. Rohde,Ta Romanowski,E. Ros,H. L. Schneider,D. Schäcke,W. Schulz,F. Selonke,W. Sippach,George Davey Smith,G.G. Stairs,J. Straver,G. Theisen,H. Tiecke,Katsuo Tokushuku,B. Tröndle,T. Tsurugai,H. Uijterwaal,R. Ullmann,W. Vogel,K. Wick,T. Woeniger,S. Yamada,C. Youngman +77 more
TL;DR: The forward and rear calorimeters of the ZEUS experiment are made of 48 modules with maximum active dimensions of 4.6 m height, 0.2 m width, 7 λ depth and maximum weight of 12 t as mentioned in this paper.
Journal ArticleDOI
Observation of events with a large rapidity gap in deep inelastic scattering at HERA
M. Derrick,D. Krakauer,S. Magill,B. Musgrave,Jose Repond,S. Repond,Robert Stanek,R. L. Talaga,J. L. Thron,F. Arzarello,R. Ayad,G. Bari,Maurizio Basile,Lorenzo Bellagamba,Davide Boscherini,Alessia Bruni,Graziano Bruni,P. Bruni,G. Cara Romeo,G. Castellini,M. Chiarini,Luisa Cifarelli,Federico Cindolo,F. Ciralli,A. Contin,Saverio D'Auria,C. Del Papa,F. Frasconi,P. Giusti,Giuseppe Iacobucci,G. Laurenti,Giuseppe Levi,Q. Lin,B. Lisowski,Giovanni Maccarrone,A. Margotti,T. Massam,Rosario Nania,Christian Nemoz,F. Palmonari,G. Sartorelli,R. Timellini,Y. Zamora Garcia,A. Zichichi,A. Bargende,James Crittenden,Klaus Kurt Desch,B. Diekmann,T. Doeker,A. Frey,M. Geerts,G. Geitz,H. Hartmann,D. Haun,K. Heinloth,E. Hilger,H.-P. Jakob,S. Kramarczyk,M. Kückes,A. Mass,S. Mengel,J. Mollen,D. Monaldi,H. Müsch,E. Paul,R. Schattevoy,J.-L. Schneider,D. Schramm,R. Wedemeyer,A. Cassidy,David Cussans,N. Dyce,B. Foster,R.S. Gilmore,Greg P Heath,Helen F Heath,M. Lancaster,T. J. Llewellyn,J. Malos,C.J.S. Morgado,R. J. Tapper,S.S. Wilson,R. Yoshida,Rr Rau,Michele Arneodo,Marco Schioppa,G. Susinno,A. Bernstein,A. Caldwell,I. Gialas,John Parsons,S. Ritz,F. J. Sciulli,P. B. Straub,L. Wai,S. Yang,P. Borzemski,Janusz Chwastowski,A. Dwuraźny,A. Eskreys,Z. Jakubowski,B. Nizioł,Krzysztof Piotrzkowski,M. Zachara,L. Zawiejski,Leszek Adamczyk,B. Bednarek,K. Eskreys,K. Jelen,Danuta Kisielewska,Tadeusz Kowalski,E. Rulikowska-Zarȩbska,L. Suszycki,J. Zaja̧c,T. Kȩdzieski,A. Kotański,M. Przybycień,Lothar At Bauerdick,Ulf Behrens,J. K. Bienlein,S. Böttcher,C. Coldewey,A. Dannemann,G. Drews,P. Erhard,Mariusz Flasiński,Ivor Fleck,R. Gläser,P. Göttlicher,B. Gutjahr,Tobias M. Haas,L. Hagge,W. Hain,D. K. Hasell,H. Hultschig,G. Jahnen,P. Joos,Matthias Kasemann,Robert Klanner,W. Koch,L. Köpke,U. Kötz,H. Kowalski,W. Kröger,J. Krüger,J. F. Labs,A. Ladage,B. Löhr,M. Löwe,D. Lüke,J. Mainusch,O. Mańczak,M. Momayezi,J.S.T. Ng,S. Nickel,D. Notz,K. U. Pösnecker,M. Rohde,J. Roldán,E. Ros,U. Schneekloth,J. Schroeder,W. Schulz,F. Selonke,Efstathios Stiliaris,E. Tscheslog,T. Tsurugai,W. Vogel,Guenter Wolf,C. Youngman,H.J. Grabosch,A. Leich,A. B. Meyer,C. Rethfeldt,S. Schlenstedt,Giuseppe Barbagli,A. Francescato,M. Nuti,P. G. Pelfer,G. Anzivino,R. Casaccia,S. De Pasquale,S. Qian,Lucia Votano,A. Bamberger,A. Freidhof,T. Poser,S. Söldner-Rembold,G. Theisen,Thomas Trefzger,N. H. Brook,P. J. Bussey,A. T. Doyle,J.R. Forbes,V.A. Jamieson,C. Raine,D. H. Saxon,H. Brückmann,G. Gloth,U. Holm,H. Kammerlocher,B. Krebs,T. Neumann,K. Wick,A Furtjes,E. Lohrmann,J. Milewski,M. Nakahata,N. Pavel,G. Poelz,W. Schott,Juan Terron,F. Zetsche,T. C. Bacon,R. Beuselinck,I. Butterworth,E. Gallo,V. L. Harris,D. B. Miller,A. Prinias,J. K. Sedgbeer,A. Vorvolakos,A.F. Whitfield,T. Bienz,H. Kreutzmann,U. Mallik,E. McCliment,M. Roco,Meng Wang,P. Cloth,Detlef Filges,S.H. An,S. M. Hong,C. O. Kim,T. Y. Kim,S. W. Nam,Sung Keun Park,M. H. Suh,S. H. Yon,R. Imlay,S. Kartik,H. J. Kim,R. R. McNeil,W. Metcalf,V. K. Nadendla,Fernando Barreiro,G. Cases,Luis Hervas,Luis Labarga,J. Del Peso,J. F. de Trocóniz,F. Ikraiam,J.K. Mayer,Geoffrey Smith,Francois Corriveau,D. J. Gilkinson,D. S. Hanna,Jens Hartmann,L. W. Hung,J. N. Lim,R. Meijer Drees,J.W. Mitchell,P.M. Patel,L.E. Sinclair,Dg Stairs,M. St.Laurent,R. Ullmann,G. L. Bashindzhagyan,P.F. Ermolov,Leonid Gladilin,Yu. A. Golubkov,V. A. Kuzmin,E.N. Kuznetsov,A. A. Savin,A. A. Voronin,N. P. Zotov,Stan Bentvelsen,M.A.J. Botje,A. Dake,J. Engelen,P. de Jong,M. de Kamps,P. Kooijman,A. Kruse,H. van der Lugt,Vivian O'Dell,A.G. Tenner,H. Tiecke,H. Uijterwaal,Marcel Vreeswijk,L.W. Wiggers,E. A. De Wolf,R. van Woudenberg,Ben Bylsma,Lloyd Stanley Durkin,K. Honscheid,C. Li,T. Y. Ling,K.W. McLean,W.N. Murray,Inkyu Park,Ta Romanowski,R. Seidlein,G.A. Blair,A. Byrne,R. J. Cashmore,Amanda Cooper-Sarkar,R.C.E. Devenish,Douglas Gingrich,P.M. Hallam-Baker,Neville Harnew,T. Khatri,Kr Long,P. Luffman,I. McArthur,P. Morawitz,J. Nash,S.J.P. Smith,N.C. Roocroft,F. F. Wilson,Giovanni Abbiendi,R. Brugnera,Roberto Carlin,F. Dal Corso,M. De Giorgi,Umberto Dosselli,F. Gasparini,S. Limentani,Mauro Morandin,M. Posocco,Luca Stanco,R. Stroili,C. Voci,Jonathan Butterworth,J. Bulmahn,G. Feild,B.Y. Oh,J. Whitmore,U. Contino,G. D'Agostini,Michele Guida,M. Iori,Stefano Maria Mari,G. Marini,M. Mattioli,A. Nigro,John Hart,N. A. McCubbin,K. Prytz,T.P. Shah,T.L. Short,E. Barberis,Nicolo Cartiglia,C. A. Heusch,B. Hubbard,J. Leslie,W. S. Lockman,K. O'Shaughnessy,Hartmut Sadrozinski,Abraham Seiden,D. Zer-Zion,E. Badura,J. Biltzinger,R. J. Seifert,A.H. Walenta,G. Zech,S. Dagan,Aharon Levy,T. Hasegawa,Masashi Hazumi,T. Ishii,S. Kasai,M. Kuze,S. Mine,Y. Nagasawa,T. Nagira,M. Nakao,Hideki Okuno,I. Suzuki,Katsuo Tokushuku,S. Yamada,Yuji Yamazaki,Masami Chiba,R. Hamatsu,Tachishige Hirose,S. Kitamura,S. Nagayama,Y. Nakamitsu,Roberto Cirio,Mário Costa,M.I. Ferrero,L. Lamberti,Silvia Maselli,C. Peroni,Ada Solano,Amedeo Staiano,M. Dardo,D. C. Bailey,Debades Bandyopadhyay,F. Bernard,S. Bhadra,M. Brkic,B.D. Burow,F.S. Chlebana,M.B. Crombie,G. F. Hartner,Gm Levman,J. F. Martin,Robert Orr,J.D. Prentice,C.R. Sampson,G.G. Stairs,Richard Teuscher,T. S. Yoon,F. W. Bullock,Cd Catterall,J.C. Giddings,T. W. Jones,A.M. Khan,J.B. Lane,P.L. Makkar,D. Shaw,J. Shulman,K. Blankenship,J. Kochocki,B. Lu,L.W. Mo,K. Charchuła,J. Ciborowski,J. Gajewski,G. Grzelak,M. Kasprzak,M. Krzyżanowski,K. Muchorowski,R. J. Nowak,J. M. Pawlak,A. Stopczyński,T. Tymieniecka,R. Walczak,A.K. Wróblewski,J.A. Zakrzewski,Aleksander Filip Żarnecki,M. Adamus,Halina Abramowicz,Y. Eisenberg,Claudia Glasman,U. Karshon,A. Montag,D. Revel,A. Shapira,Costas Foudas,C. Fordham,R. Loveless,Anna Goussiou,I. Ali,B. Behrens,Sridhara Dasu,D.D. Reeder,Wesley H Smith,Samuel Silverstein,Wr Frisken,K.M. Furutani,Y. Iga +462 more
TL;DR: In this article, neutral current scattering of electrons and protons at square-root s = 296 GeV was observed in the ZEUS detector events with a large rapidity gap in the hadronic final state.
Journal ArticleDOI
Measurement of the proton structure function F2 in ep scattering at HERA
M. Derrick,D. Krakauer,S. Magill,B. Musgrave,Jose Repond,S. Repond,R. Stanek,R. L. Talaga,J. L. Thron,F. Arzarello,R. Ayad,G. Bari,M. Basile,L. Bellagamba,D. Boscherini,A. Bruni,G. Bruni,P. Bruni,G. Cara Romero,G. Castellini,M. Chiarini,Luisa Cifarelli,Federico Cindolo,F. Ciralli,A. Contin,Saverio D'Auria,C. Del Papa,F. Frasconi,P. Giusti,Giuseppe Iacobucci,G. Laurenti,Giuseppe Levi,O. Lin,B. Losowski,Giovanni Maccarrone,Anselmo Margotti,T. Massam,D. Monaldi,Rosario Nania,Christian Nemoz,F. Palmonari,G. Sartorelli,R. Timellini,Y. Zamora Garcia,A. Zichini,A. Bargende,James Crittenden,Klaus Kurt Desch,B. Diekmann,T. Doeker,A. Frey,M. Geerts,G. Geitz,H. Hartmann,D. Haun,K. Heinloth,E. Hilger,H.-P. Jacob,S. Kramaczyk,M. Kückes,A. Mass,S. Mengel,J. Mollen,H. Müsch,E. Paul,R. Schattevoy,J.-L. Schneider,D. Schramm,R. Wedemeyer,A. Cassidy,David Cussans,N. Dyce,B. Foster,Simon George,R.S. Gilmore,Greg P Heath,Helen F Heath,M. Lancaster,T.J. Llwellyn,C.J.S. Morgado,J. A. O'Mara,R. J. Tapper,S.S. Wilson,R. Yoshida,Rr Rau,Michele Arneodo,Marco Schioppa,G. Susinno,A. Bernstein,A. Caldwell,I. Gialas,J. A. Parsons,S. Ritz,F. J. Sciulli,P. B. Straub,L. Wai,S. Yang,P. Borzemski,Janusz Chwastowski,A. Dwuraźny,A. Eskreys,Z. Jakubowski,B. Nizioł,Krzysztof Piotrzkowski,M. Zachara,L. Zawiejski,Leszek Adamczyk,B. Bednarek,K. Eskreys,K. Jelen,Danuta Kisielewska,Tadeusz Kowalski,E. Rulikowska-Zarȩbska,L. Suszycki,J. Zaja̧c,T. Kȩdzierski,A. Kotański,M. Przybycień,Lothar At Bauerdick,Ulf Behrens,J. K. Bienlein,S. Böttcher,C. Coldewey,A. Dannemann,G. Drews,P. Erhard,Mariusz Flasiński,I. Fleck,D. J. Gilkinson,R. Gläser,P. Göttlicher,B. Gutjahr,Tobias M. Haas,L. Hagge,W. Hain,D. K. Hasell,H. Hultschig,G. Jahnen,P. Joos,Matthias Kasemann,Robert Klanner,W. Koch,L. Köpke,U. Kötz,H. Kowalski,W. Kröger,J. Krüger,J. F. Labs,A. Ladage,B. Löhr,M. Löwe,D. Lüke,J. Mainusch,O. Mańczak,M. Momayezi,J.S.T. Ng,S. Nickel,D. Notz,K. U. Pösnecker,M. Rohde,J. Roldán,Eduardo Ros,U. Schneekloth,J. Schroeder,W. Schulz,F. Selonke,Efstathios Stiliaris,E. Tscheslog,T. Tsurugai,W. Vogel,D. Westphal,Guenter Wolf,C. Youngman,H.J. Grabosch,A. Leich,A. Meyer,C. Rethfeldt,S. Schlenstedt,Giuseppe Barbagli,A. Francescato,M. Nuti,P. G. Pelfer,G. Anzivino,R. Casaccia,S. De Pasquale,S. Qian,Lucia Votano,A. Bamberger,A. Freidhof,T. Poser,S. Söldner-Rembold,G. Theisen,Thomas Trefzger,N. H. Brook,P. J. Bussey,A. T. Doyle,J.R. Forbes,V.A. Jamieson,C. Raine,D. H. Saxon,H. Brückmann,G. Gloth,U. Holm,H. Kammerlocher,B. Krebs,T. Neumann,K. Wick,A Furtjes,E. Lohrmann,J. Milewski,M. Nakahata,N. Pavel,G. Poelz,W. Schott,Juan Terron,F. Zetsche,T. C. Bacon,R. Beuselinck,I. Butterworth,E. Gallo,V. L. Harris,D. B. Miller,A. Prinias,J. K. Sedgbeer,A. Vorvolakos,A.F. Whitfield,T. Bienz,H. Kreutzmann,U. Mallik,E. McCliment,M. Roco,M. Z. Wang,P. Cloth,Detlef Filges,S.H. An,S. M. Hong,C. O. Kim,T. Y. Kim,S. W. Nam,Sung Keun Park,M. H. Suh,S. H. Yon,R. Imlay,S. Kartik,H. J. Kim,R. R. McNeil,W. Metcalf,V. K. Nadendla,Fernando Barreiro,G. Cases,Luis Hervas,Luis Labarga,J. Del Peso,J. F. de Trocóniz,F. Ikraiam,J.K. Mayer,Geoffrey Smith,Francois Corriveau,D. S. Hanna,Jens Hartmann,L. W. Hung,J. N. Lim,R. Meijer Drees,Cg Matthews,J.W. Mitchell,P.M. Patel,L.E. Sinclair,Dg Stairs,M. St.Laurent,R. Ullmann,G. L. Bashindzhagyan,P.F. Ermolov,L. K. Gladilin,Yu. A. Golubkov,V. A. Kuzmin,E.N. Kuznetsov,A. A. Savin,A. A. Voronin,N. P. Zotov,Stan Bentvelsen,M.A.J. Botje,A. Dake,J. Engelen,P. de Jong,M. de Kamps,P. Kooijman,A. Kruse,H. van der Lugt,Vivian O'Dell,A.G. Tenner,H. Tiecke,H. Uijterwaal,Marcel Vreeswijk,L.W. Wiggers,E. A. De Wolf,R. van Woudenberg,Ben Bylsma,L. S. Durkin,K. Honscheid,C. Li,T. Y. Ling,K.W. McLean,W.N. Murray,I. H. Park,Ta Romanowski,R. Seidlein,G.A. Blair,A. Byrne,R. J. Cashmore,A. M. Cooper-Sarkar,R.C.E. Devenish,D.M. Gingrich,P.M. Hallam-Baker,Neville Harnew,T. Khatri,Kr Long,P. Luffman,I. McArthur,P. Morawitz,J. Nash,S.J.P. Smith,N.C. Roocroft,F. F. Wilson,Giovanni Abbiendi,R. Brugnera,Roberto Carlin,F. Dal Corso,M. De Giorgi,Umberto Dosselli,F. Gasparini,S. Limentani,Mauro Morandin,M. Posocco,Luca Stanco,R. Stroili,C. Voci,Jonathan Butterworth,J. Bulmahn,G. Feild,B.Y. Oh,J. J. Whitmore,U. Contino,G. D'Agostini,Michele Guida,M. Iori,Stefano Maria Mari,G. Marini,M. Mattioli,A. Nigro,John Hart,N. A. McCubbin,K. Prytz,T.P. Shah,T.L. Short,E. Barberis,Nicolo Cartiglia,C. A. Heusch,B. Hubbard,J. Leslie,William S. Lockman,K. O'Shaughnessy,H. F.W. Sadrozinski,A. Seiden,D. Zer-Zion,E. Badura,J. Biltzinger,R. J. Seifert,A.H. Walenta,G. Zech,S. Dagan,Aharon Levy,T. Hasegawa,Masashi Hazumi,T. Ishii,S. Kasai,M. Kuze,S. Mine,Y. Nagasawa,T. Nagira,M. Nakao,Hideki Okuno,I. Suzuki,Katsuo Tokushuku,Shoichi Yamada,Yasunori Yamazaki,Masami Chiba,R. Hamatsu,Tachishige Hirose,K. Homma,S. Kitamura,S. Nagayama,Y. Nakamitsu,Roberto Cirio,Mário Costa,M.I. Ferrero,L. Lamberti,Silvia Maselli,C. Peroni,Ada Solano,Roberto Sacchi,Amedeo Staiano,M. Dardo,D. C. Bailey,Debades Bandyopadhyay,F. Bernard,S. Bhadra,M. Brkic,B.D. Burow,F.S. Chlebana,M.B. Crombie,G. F. Hartner,Gm Levman,J. F. Martin,R. S. Orr,J.D. Prentice,C.R. Sampson,G.G. Stairs,R. J. Teuscher,T. S. Yoon,F. W. Bullock,Cd Catterall,J.C. Giddings,T. W. Jones,A.M. Khan,J.B. Lane,P.L. Makkar,D. Shaw,J. Shulman,K. Blankenship,J. Kochocki,B. Lu,L.W. Mo,K. Charchuła,J. Ciborowski,J. Gajewski,G. Grzelak,M. Kasprzak,M. Krzyanowski,K. Muchorowski,R. J. Nowak,J. M. Pawlak,A. Stopczyński,T. Tymieniecka,R. Walczak,A.K. Wróblewski,J.A. Zakrzewski,A.F. arnecki,M. Adamus,Halina Abramowicz,Y. Eisenberg,Claudia Glasman,U. Karshon,A. Montag,D. Revel,A. Shapira,Costas Foudas,C. Fordham,R. Loveless,Anna Goussiou,I. Ali,B. Behrens,Sridhara Dasu,D.D. Reeder,W. H. Smith,Samuel Silverstein,Wr Frisken,K.M. Furutani,Y. Iga +467 more
TL;DR: In this article, the first measurement of the F 2 structure function in neutral-current, deep inelastic scattering using the ZEUS detector at HERA, the ep colliding beam facility at DESY, was presented.
Journal ArticleDOI
Beam tests of the ZEUS barrel calorimeter
A. Bernstein,T. Bienz,A. Caldwell,L. Chen,M. Derrick,I. Gialas,A. Hamri,R. Imlay,S. Kartik,H.J. Kim,T. Kinnel,H. Kreutzmann,C.G. Li,J.N. Lim,R. Loveless,R. Loveless,B. Lu,U. Mallik,K.W. McLean,R. McNeil,W. Metcalf,B. Musgrave,B.Y. Oh,S. Park,J. A. Parsons,D. Reeder,Jose Repond,S. Ritz,M. Roco,P.H. Sandler,F. Sciulli,W.H. Smith,R. L. Talaga,G. Tzanakos,L. Wai,Meng Wang,J. Whitmore,J. Wu,S. Yang +38 more
TL;DR: A fully compensating uranium-scintillator calorimeter was constructed for the ZEUS detector at HERA and several of the barrel calorimeters were subjected to beam tests at Fermilab before shipping them to DESY for installation as discussed by the authors.