Related papers: Noise Characterization and Filtering in the MicroB…

TPB-coated Light Guides for Liquid Argon TPC Light Detection Systems

Light detection systems in Liquid Argon Time Projection Chambers (LArTPCs) require the detection of the 128 nm light produced during argon scintillation. Most detectors use Tetraphenyl Butadiene (TPB) to shift the wavelength of the light…

Instrumentation and Detectors · Physics 2015-06-16 C. M. Ignarra

Three-dimensional Imaging for Large LArTPCs

High-performance event reconstruction is critical for current and future massive liquid argon time projection chambers (LArTPCs) to realize their full scientific potential. LArTPCs with readout using wire planes provide a limited number of…

Instrumentation and Detectors · Physics 2018-05-31 Xin Qian , Chao Zhang , Brett Viren , Milind Diwan

A Time Projection Chamber for High-Rate Experiments: Towards an Upgrade of the ALICE TPC

A Time Projection Chamber (TPC) is a powerful detector for 3-dimensional tracking and particle identification for ultra-high multiplicity events. It is the central tracking device of many experiments, e.g. the ALICE experiment at CERN. The…

Instrumentation and Detectors · Physics 2019-08-14 Bernhard Ketzer

Determination of muon momentum in the MicroBooNE LArTPC using an improved model of multiple Coulomb scattering

We discuss a technique for measuring a charged particle's momentum by means of multiple Coulomb scattering (MCS) in the MicroBooNE liquid argon time projection chamber (LArTPC). This method does not require the full particle ionization…

Instrumentation and Detectors · Physics 2023-02-17 MicroBooNE collaboration , P. Abratenko , R. Acciarri , C. Adams , R. An , J. Asaadi , M. Auger , L. Bagby , S. Balasubramanian , B. Baller , C. Barnes , G. Barr , M. Bass , F. Bay , M. Bishai , A. Blake , T. Bolton , L. Bugel , L. Camilleri , D. Caratelli , B. Carls , R. Castillo Fernandez , F. Cavanna , H. Chen , E. Church , D. Cianci , E. Cohen , G. H. Collin , J. M. Conrad , M. Convery , J. I. Crespo-Anadon , M. Del Tutto , D. Devitt , S. Dytman , B. Eberly , A. Ereditato , L. Escudero Sanchez , J. Esquivel , B. T. Fleming , W. Foreman , A. P. Furmanski , D. Garcia-Gamez , G. T. Garvey , V. Genty , D. Goeldi , S. Gollapinni , N. Graf , E. Gramellini , H. Greenlee , R. Grosso , R. Guenette , A. Hackenburg , P. Hamilton , O. Hen , V Hewes , C. Hill , J. Ho , G. Horton-Smith , E. -C. Huang , C. James , J. Jan de Vries , C. -M. Jen , L. Jiang , R. A. Johnson , B. J. P. Jones , J. Joshi , H. Jostlein , D. Kaleko , L. N. Kalousis , G. Karagiorgi , W. Ketchum , B. Kirby , M. Kirby , T. Kobilarcik , I. Kreslo , A. Laube , Y. Li , A. Lister , B. R. Littlejohn , S. Lockwitz , D. Lorca , W. C. Louis , M. Luethi , B. Lundberg , X. Luo , A. Marchionni , C. Mariani , J. Marshall , D. A. Martinez Caicedo , V. Meddage , T. Miceli , G. B. Mills , J. Moon , M. Mooney , C. D. Moore , J. Mousseau , R. Murrells , D. Naples , P. Nienaber , J. Nowak , O. Palamara , V. Paolone , V. Papavassiliou , S. F. Pate , Z. Pavlovic , E. Piasetzky , D. Porzio , G. Pulliam , X. Qian , J. L. Raaf , A. Rafique , L. Rochester , C. Rudolf von Rohr , B. Russell , D. W. Schmitz , A. Schukraft , W. Seligman , M. H. Shaevitz , J. Sinclair , E. L. Snider , M. Soderberg , S. Soldner-Rembold , S. R. Soleti , P. Spentzouris , J. Spitz , J. St. John , T. Strauss , A. M. Szelc , N. Tagg , K. Terao , M. Thomson , M. Toups , Y. -T. Tsai , S. Tufanli , T. Usher , R. G. Van de Water , B. Viren , M. Weber , J. Weston , D. A. Wickremasinghe , S. Wolbers , T. Wongjirad , K. Woodruff , T. Yang , L. Yates , G. P. Zeller , J. Zennamo , C. Zhang

First Run of the LArIAT Testbeam Experiment

LArIAT (Liquid Argon In A Testbeam) aims to characterize the response of a liquid argon time projection chamber (LArTPC) to the particles often seen as final-state products of ~1 GeV neutrino interactions in existing and planned detectors.…

Instrumentation and Detectors · Physics 2015-11-04 William Foreman

Demonstration of a Lightguide Detector for Liquid Argon TPCs

We report demonstration of light detection in liquid argon using an acrylic lightguide detector system. This opens the opportunity for development of an inexpensive, large-area light collection system for large liquid argon time projection…

Instrumentation and Detectors · Physics 2015-03-17 L. Bugel , J. M. Conrad , C. Ignarra , B. J. P. Jones , T. Katori , T. Smidt , H. -K. Tanaka

First Measurement of $\nu_{\mu}$ Charged-Current $\pi^{0}$ Production on Argon with a LArTPC

We report the first measurement of the flux-integrated cross section of $\nu_{\mu}$ charged-current single $\pi^{0}$ production on argon. This measurement is performed with the MicroBooNE detector, an 85 ton active mass liquid argon time…

High Energy Physics - Experiment · Physics 2023-02-18 MicroBooNE collaboration , C. Adams , M. Alrashed , R. An , J. Anthony , J. Asaadi , A. Ashkenazi , M. Auger , S. Balasubramanian , B. Baller , C. Barnes , G. Barr , M. Bass , F. Bay , A. Bhat , K. Bhattacharya , M. Bishai , A. Blake , T. Bolton , L. Camilleri , D. Caratelli , I. Caro Terrazas , R. Carr , R. Castillo Fernandez , F. Cavanna , G. Cerati , Y. Chen , E. Church , D. Cianci , E. O. Cohen , G. H. Collin , J. M. Conrad , M. Convery , L. Cooper-Troendle , J. I. Crespo-Anadon , M. Del Tutto , D. Devitt , A. Diaz , K. Duffy , S. Dytman , B. Eberly , A. Ereditato , L. Escudero Sanchez , J. Esquivel , J. J. Evans , A. A. Fadeeva , R. S. Fitzpatrick , B. T. Fleming , D. Franco , A. P. Furmanski , D. Garcia-Gamez , V. Genty , D. Goeldi , S. Gollapinni , O. Goodwin , E. Gramellini , H. Greenlee , R. Grosso , R. Guenette , P. Guzowski , A. Hackenburg , P. Hamilton , O. Hen , V Hewes , C. Hill , G. A. Horton-Smith , A. Hourlier , E. -C. Huang , C. James , J. Jan de Vries , X. Ji , L. Jiang , R. A. Johnson , J. Joshi , H. Jostlein , Y. -J. Jwa , G. Karagiorgi , W. Ketchum , B. Kirby , M. Kirby , T. Kobilarcik , I. Kreslo , I. Lepetic , Y. Li , A. Lister , B. R. Littlejohn , S. Lockwitz , D. Lorca , W. C. Louis , M. Luethi , B. Lundberg , X. Luo , A. Marchionni , S. Marcocci , C. Mariani , J. Marshall , J. Martin-Albo , D. A. Martinez Caicedo , A. Mastbaum , V. Meddage , T. Mettler , K. Mistry , A. Mogan , J. Moon , M. Mooney , C. D. Moore , J. Mousseau , M. Murphy , R. Murrells , D. Naples , P. Nienaber , J. Nowak , O. Palamara , V. Pandey , V. Paolone , A. Papadopoulou , V. Papavassiliou , S. F. Pate , Z. Pavlovic , E. Piasetzky , D. Porzio , G. Pulliam , X. Qian , J. L. Raaf , A. Rafique , L. Ren , L. Rochester , M. Ross-Lonergan , C. Rudolf von Rohr , B. Russell , G. Scanavini , D. W. Schmitz , A. Schukraft , W. Seligman , M. H. Shaevitz , R. Sharankova , J. Sinclair , A. Smith , E. L. Snider , M. Soderberg , S. Soldner-Rembold , S. R. Soleti , P. Spentzouris , J. Spitz , J. St. John , T. Strauss , K. Sutton , S. Sword-Fehlberg , A. M. Szelc , N. Tagg , W. Tang , K. Terao , M. Thomson , R. T. Thornton , M. Toups , Y. -T. Tsai , S. Tufanli , T. Usher , W. Van De Pontseele , R. G. Van de Water , B. Viren , M. Weber , H. Wei , D. A. Wickremasinghe , K. Wierman , Z. Williams , S. Wolbers , T. Wongjirad , K. Woodruff , T. Yang , G. Yarbrough , L. E. Yates , G. P. Zeller , J. Zennamo , C. Zhang

Demonstration of neutron identification in neutrino interactions in the MicroBooNE liquid argon time projection chamber

A significant challenge in measurements of neutrino oscillations is reconstructing the incoming neutrino energies. While modern fully-active tracking calorimeters such as liquid argon time projection chambers in principle allow the…

High Energy Physics - Experiment · Physics 2025-04-03 MicroBooNE collaboration , P. Abratenko , O. Alterkait , D. Andrade Aldana , L. Arellano , J. Asaadi , A. Ashkenazi , S. Balasubramanian , B. Baller , A. Barnard , G. Barr , D. Barrow , J. Barrow , V. Basque , J. Bateman , O. Benevides Rodrigues , S. Berkman , A. Bhanderi , A. Bhat , M. Bhattacharya , M. Bishai , A. Blake , B. Bogart , T. Bolton , J. Y. Book , M. B. Brunetti , L. Camilleri , Y. Cao , D. Caratelli , F. Cavanna , G. Cerati , A. Chappell , Y. Chen , J. M. Conrad , M. Convery , L. Cooper-Troendle , J. I. Crespo-Anadon , R. Cross , M. Del Tutto , S. R. Dennis , P. Detje , R. Diurba , Z. Djurcic , R. Dorrill , K. Duffy , S. Dytman , B. Eberly , P. Englezos , A. Ereditato , J. J. Evans , R. Fine , B. T. Fleming , W. Foreman , D. Franco , A. P. Furmanski , F. Gao , D. Garcia-Gamez , S. Gardiner , G. Ge , S. Gollapinni , E. Gramellini , P. Green , H. Greenlee , L. Gu , W. Gu , R. Guenette , P. Guzowski , L. Hagaman , M. D. Handley , O. Hen , C. Hilgenberg , G. A. Horton-Smith , Z. Imani , B. Irwin , M. S. Ismail , C. James , X. Ji , J. H. Jo , R. A. Johnson , Y. J. Jwa , D. Kalra , N. Kamp , G. Karagiorgi , W. Ketchum , M. Kirby , T. Kobilarcik , I. Kreslo , N. Lane , J. -Y. Li , Y. Li , K. Lin , B. R. Littlejohn , H. Liu , W. C. Louis , X. Luo , C. Mariani , D. Marsden , J. Marshall , N. Martinez , D. A. Martinez Caicedo , S. Martynenko , A. Mastbaum , I. Mawby , N. McConkey , V. Meddage , J. Mendez , J. Micallef , K. Miller , K. Mistry , T. Mohayai , A. Mogan , M. Mooney , A. F. Moor , C. D. Moore , L. Mora Lepin , M. M. Moudgalya , S. Mulleria Babu , D. Naples , A. Navrer-Agasson , N. Nayak , M. Nebot-Guinot , C. Nguyen , J. Nowak , N. Oza , O. Palamara , N. Pallat , V. Paolone , A. Papadopoulou , V. Papavassiliou , H. Parkinson , S. F. Pate , N. Patel , Z. Pavlovic , E. Piasetzky , K. Pletcher , I. Pophale , X. Qian , J. L. Raaf , V. Radeka , A. Rafique , M. Reggiani-Guzzo , L. Ren , L. Rochester , J. Rodriguez Rondon , M. Rosenberg , M. Ross-Lonergan , I. Safa , D. W. Schmitz , A. Schukraft , W. Seligman , M. H. Shaevitz , R. Sharankova , J. Shi , E. L. Snider , M. Soderberg , S. Soldner-Rembold , J. Spitz , M. Stancari , J. St. John , T. Strauss , A. M. Szelc , W. Tang , N. Taniuchi , K. Terao , C. Thorpe , D. Torbunov , D. Totani , M. Toups , A. Trettin , Y. -T. Tsai , J. Tyler , M. A. Uchida , T. Usher , B. Viren , J. Wang , M. Weber , H. Wei , A. J. White , S. Wolbers , T. Wongjirad , M. Wospakrik , K. Wresilo , W. Wu , E. Yandel , T. Yang , L. E. Yates , H. W. Yu , G. P. Zeller , J. Zennamo , C. Zhang

Characterization of Multiple Channels Room Temperature Readout Electronics for Large Transition-Edge Sensor Array

Transition-edge sensor (TES) is a highly sensitive device that is capable of detecting extremely low levels of energy. It is characterised by low noise performance and high energy resolution. A mature method for reading out TES signal is…

Instrumentation and Detectors · Physics 2025-02-11 N. Li , X. Ren , H. Gao , Z. Zhang , Y. Zhang , C. Liu , H. Li , Z. Li

Conceptual design of a scalable multi-kton superconducting magnetized liquid Argon TPC

We discuss the possibility of new generation neutrino and astroparticle physics experiments exploiting a superconducting magnetized liquid Argon Time Projection Chamber (LAr TPC). The possibility to complement the features of the LAr TPC…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Ereditato , A. Rubbia

The ALICE TPC, a large 3-dimensional tracking device with fast readout for ultra-high multiplicity events

The design, construction, and commissioning of the ALICE Time-Projection Chamber (TPC) is described. It is the main device for pattern recognition, tracking, and identification of charged particles in the ALICE experiment at the CERN LHC.…

Instrumentation and Detectors · Physics 2014-11-20 J. Alme , Y. Andres , H. Appelshauser , S. Bablok , N. Bialas , R. Bolgen , U. Bonnes , R. Bramm , P. Braun-Munzinger , R. Campagnolo , P. Christiansen , A. Dobrin , C. Engster , D. Fehlker , P. Foka , U. Frankenfeld , J. J. Gaardhoje , C. Garabatos , P. Glassel , C. Gonzalez Gutierrez , P. Gros , H. -A. Gustafsson , H. Helstrup , M. Hoch , M. Ivanov , R. Janik , A. Junique , A. Kalweit , R. Keidel , S. Kniege , M. Kowalski , D. T. Larsen , Y. Lesenechal , P. Lenoir , N. Lindegaard , C. Lippmann , M. Mager , M. Mast , A. Matyja , M. Munkejord , L. Musa , B. S. Nielsen , V. Nikolic , H. Oeschler , E. K. Olsen , A. Oskarsson , L. Osterman , M. Pikna , A. Rehman , G. Renault , R. Renfordt , S. Rossegger , D. Rohrich , K. Roed , M. Richter , G. Rueshmann , A. Rybicki , H. Sann , H. -R. Schmidt , M. Siska , B. Sitar , C. Soegaard , H. -K. Soltveit , D. Soyk , J. Stachel , H. Stelzer , E. Stenlund , R. Stock , P. Strmen , I. Szarka , K. Ullaland , D. Vranic , R. Veenhof , J. Westergaard , J. Wiechula , B. Windelband

Readout electronics for low occupancy High-Pressure Gas TPCs

HPgTPCs have benefits such as low energy threshold, magnetisability, and 4$\pi$ acceptance, making them ideal for neutrino experiments such as DUNE. We present the design of an FPGA-based solution optimised for ND-GAr, which is part of the…

Instrumentation and Detectors · Physics 2025-10-22 N. Khan , Y. Hua , I. Xiotidis , T. Alves , E. Atkin , G. Barker , D. Barrow , A. Booth , J. Borg , A. Bross , M. F. Cicala , L. Cremonesi , A. Deisting , K. Duffy , R. Gran , P. Green , A. Habig , M. Judah , T. Junk , A. Kaboth , A. Klustová , H. LeMoine , A. D. Marino , F. Martínez López , T. Mohayai , D. Naples , R. Nichol , D. Parker , M. Pfaff , J. Raaf , P. Rubinov , P. Singh , A. Srivastava , A. Waldron , L. Warsame , M. Wascko , A. Wilkinson , A. Ritchie-Yates , P. Dunne

Measurement of cosmic-ray reconstruction efficiencies in the MicroBooNE LArTPC using a small external cosmic-ray counter

The MicroBooNE detector is a liquid argon time projection chamber at Fermilab designed to study short-baseline neutrino oscillations and neutrino-argon interaction cross-section. Due to its location near the surface, a good understanding of…

High Energy Physics - Experiment · Physics 2023-02-17 MicroBooNE collaboration , R. Acciarri , C. Adams , R. An , J. Anthony , J. Asaadi , M. Auger , L. Bagby , S. Balasubramanian , B. Baller , C. Barnes , G. Barr , M. Bass , F. Bay , M. Bishai , A. Blake , T. Bolton , L. Camilleri , D. Caratelli , B. Carls , R. Castillo Fernandez , F. Cavanna , H. Chen , E. Church , D. Cianci , E. Cohen , G. H. Collin , J. M. Conrad , M. Convery , J. I. Crespo-Anadon , M. Del Tutto , D. Devitt , S. Dytman , B. Eberly , A. Ereditato , L. Escudero Sanchez , J. Esquivel , A. A. Fadeeva , B. T. Fleming , W. Foreman , A. P. Furmanski , D. Garcia-Gamez , G. T. Garvey , V. Genty , D. Goeldi , S. Gollapinni , N. Graf , E. Gramellini , H. Greenlee , R. Grosso , R. Guenette , A. Hackenburg , P. Hamilton , O. Hen , V Hewes , C. Hill , J. Ho , G. Horton-Smith , A. Hourlier , E. -C. Huang , C. James , J. Jan de Vries , C. -M. Jen , L. Jiang , R. A. Johnson , J. Joshi , H. Jostlein , D. Kaleko , L. N. Kalousis , G. Karagiorgi , W. Ketchum , B. Kirby , M. Kirby , T. Kobilarcik , I. Kreslo , G. Lange , A. Laube , Y. Li , A. Lister , B. R. Littlejohn , S. Lockwitz , D. Lorca , W. C. Louis , M. Luethi , B. Lundberg , X. Luo , A. Marchionni , C. Mariani , J. Marshall , D. A. Martinez Caicedo , V. Meddage , T. Miceli , G. B. Mills , J. Moon , M. Mooney , C. D. Moore , J. Mousseau , R. Murrells , D. Naples , P. Nienaber , J. Nowak , O. Palamara , V. Paolone , V. Papavassiliou , S. F. Pate , Z. Pavlovic , R. Pelkey , E. Piasetzky , D. Porzio , G. Pulliam , X. Qian , J. L. Raaf , A. Rafique , L. Rochester , C. Rudolf von Rohr , B. Russell , D. W. Schmitz , A. Schukraft , W. Seligman , M. H. Shaevitz , J. Sinclair , A. Smith , E. L. Snider , M. Soderberg , S. Soldner-Rembold , S. R. Soleti , P. Spentzouris , J. Spitz , J. St. John , T. Strauss , A. M. Szelc , N. Tagg , K. Terao , M. Thomson , M. Toups , Y. -T. Tsai , S. Tufanli , T. Usher , W. Van De Pontseele , R. G. Van de Water , B. Viren , M. Weber , D. A. Wickremasinghe , S. Wolbers , T. Wongjirad , K. Woodruff , T. Yang , L. Yates , G. P. Zeller , J. Zennamo , C. Zhang

Study on the fabrication of low-pass metal powder filters for use at cryogenic temperatures

We fabricated compact low-pass stainless-steel powder filters for use in low-noise measurements at cryogenic temperatures and investigated their attenuation characteristics for different wire lengths, shapes, and preparation methods up to…

Instrumentation and Detectors · Physics 2016-09-21 Sung Hoon Lee , Soon-Gul Lee

Study of space charge in the ICARUS T600 detector

The accumulation of positive ions, produced by ionizing particles crossing Liquid Argon Time Projection Chambers (LAr-TPCs), may generate distortions of the electric drift field affecting the track reconstruction of the ionizing events.…

Instrumentation and Detectors · Physics 2020-08-26 M. Antonello , B. Baibussinov , V. Bellini , F. Boffelli , M. Bonesini , A. Bubak , S. Centro , K. Cieslik , A. G. Cocco , A. Dabrowska , A. Dermenev , A. Falcone , C. Farnese , A. Fava , A. Ferrari , D. Gibin , S. Gninenko , A. Guglielmi , M. Haranczyk , J. Holeczek , M. Kirsanov , J. Kisiel , I. Kochanek , J. Lagoda , A. Menegolli , G. Meng , C. Montanari , C. Petta , F. Pietropaolo , P. Picchi , A. Rappoldi , G. L. Raselli , M. Rossella , C. Rubbia , P. Sala , A. Scaramelli , F. Sergiampietri , M. Spanu , M. Szarska , M. Torti , F. Tortorici , F. Varanini , S. Ventura , C. Vignoli , H. Wang , X. Yang , A. Zalewska , A. Zani

Characterization of the Electronic Noise in the Readout of Resistive Micromegas in the High-Angle Time Projection Chambers of the T2K Experiment

The two high-angle Time Projection Chambers of the T2K experiment are equipped with a new readout system based on resistive Micromegas detector technology, and utilize custom-made electronics based on AFTER chips for signal processing. This…

Instrumentation and Detectors · Physics 2025-04-11 D. Attié , P. Billoir , G. Bortolato , S. Bolognesi , N. F. Calabria , D. Calvet , M. G. Catanesi , G. Collazuol , P. Colas , D. D'Ago , T. Daret , A. Delbart , J. Dumarchez , S. Emery-Schrenk , M. Feltre , C. Forza , A. N. Gacino Olmedo , C. Giganti , M. Guigue , G. Eurin , S. Hassani , D. Henaff , S. Joshi , J. F. Laporte , S. Levorato , T. Lux , L. Magaletti , L. Mareso , M. Mattiazzi , E. Miller , B. Popov , C. Pastore , C. Pió , E. Radicioni , L. Russo , S. Roth , W. Saenz Arevalo , L. Scomparin , Ph. Schune , D. Smyczek , J. Steinmann , N. Thamm , U. Virginet , G. Vasseur , M. Varghese , V. Valentino , M. Zito

Argon Purification Studies and a Novel Liquid Argon Re-circulation System

Future giant liquid argon (LAr) time projection chambers (TPCs) require a purity of better than 0.1 parts per billion (ppb) to allow the ionised electrons to drift without significant capture by any electronegative impurities. We present a…

Instrumentation and Detectors · Physics 2015-05-28 K. Mavrokoridis , R. G. Calland , J. Coleman , P. K. Lightfoot , N. McCauley , K. J. McCormick , C. Touramanis

Design, development and performance study of six-gap glass MRPC detectors

The Multigap Resistive Plate Chambers (MRPCs) are gas ionization detectors with multiple gas sub-gaps made of resistive electrodes. The high voltage (HV) is applied on the outer surfaces of outermost resistive plates only, while the…

Instrumentation and Detectors · Physics 2016-12-16 Moon Moon Devi , Naba K. Mondal , B. Satyanarayana , R. R. Shinde

Study of ionization signals in a TPC filled with a mixture of liquid Argon and Nitrogen

In this paper we report on the evidence for ionization track signals from cosmic ray muons and Compton electrons in a Time Projection Chamber (TPC) filled with liquid Argon and doped with different fractions of Nitrogen. This study has been…

Instrumentation and Detectors · Physics 2014-11-18 A. Ereditato , M. Hess , S. Janos , I. Kreslo , L. Martinez , M. Messina , U. Moser , B. Rossi , H. -U. Shuetz , M. Zeller

A tagged low-momentum kaon test-beam exposure with a 250L LAr TPC (J-PARC T32)

At the beginning of 2010, we presented at the J-PARC PAC an R$&$D program towards large (100 kton scale) liquid argon TPCs, suitable to investigate, in conjunction with the J-PARC neutrino beam, the possibility of CP violation in the…

Instrumentation and Detectors · Physics 2011-05-31 O. Araoka , A. Badertscher , A. Curioni , S. DiLuise , U. Degunda , L. Epprecht , L. Esposito , A. Gendotti , T. Hasegawa , S. Horikawa , K. Kasami , N. Kimura , L. Knecht , T. Kobayashi , C. Lazzaro , D. Lussi , M. Maki , A. Marchionni , T. Maruyama , A. Meregaglia , T. Mitani , Y. Nagasaka , J. Naganoma , H. Naito , S. Narita , G. Natterer , K. Nishikawa , A. Okamoto , H. Okamoto , F. Petrolo , F. Resnati , A. Rubbia , C. Strabel , M. Tanaka , T. Viant , Y. Yamanoi , K. Yorita , M. Yoshioka