The International School for Advanced Studies (SISSA) was founded in 1978 and was the first institution in Italy to promote post-graduate courses leading to a Doctor Philosophiae (or PhD) degree. A centre of excellence among Italian and international universities, the school has around 65 teachers, 100 post docs and 245 PhD students, and is located in Trieste, in a campus of more than 10 hectares with wonderful views over the Gulf of Trieste.
SISSA hosts a very high-ranking, large and multidisciplinary scientific research output. The scientific papers produced by its researchers are published in high impact factor, well-known international journals, and in many cases in the world's most prestigious scientific journals such as Nature and Science. Over 900 students have so far started their careers in the field of mathematics, physics and neuroscience research at SISSA.
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The following article is Open access
Highly-parallelized simulation of a pixelated LArTPC on a GPU
A. Abed Abud35, B. Abi164, R. Acciarri68, M.A. Acero11, M.R. Adames201, G. Adamov74, M. Adamowski68, D. Adams20, M. Adinolfi19, C. Adriano30, A. Aduszkiewicz83, J. Aguilar132, Z. Ahmad213, J. Ahmed216, B. Aimard53, F. Akbar182, K. Allison43, S. Alonso Monsalve35, M. Alrashed124, C. Alt62, A. Alton12, R. Alvarez39, P. Amedo88,87, J. Anderson7, D.A. Andrade89, C. Andreopoulos185,134, M. Andreotti96,69, M.P. Andrews68, F. Andrianala5, S. Andringa133, N. Anfimov122, W.L. Anicézio Campanelli64, A. Ankowski191, M. Antoniassi201, M. Antonova87, A. Antoshkin122, S. Antusch13, A. Aranda-Fernandez42, L. Arellano140, L.O. Arnold45, M.A. Arroyave60, J. Asaadi205, A. Ashkenazi202, L. Asquith199, A. Aurisano40, V. Aushev130, D. Autiero113, M. Ayala-Torres41, F. Azfar164, A. Back93, H. Back165, J.J. Back216, I. Bagaturia74, L. Bagby68, N. Balashov122, S. Balasubramanian68, P. Baldi24, W. Baldini96, B. Baller68, B. Bambah84, F. Barao133,115, G. Barenboim87, P. Barham Alzás35, G.J. Barker216, W. Barkhouse156, C. Barnes144, G. Barr164, J. Barranco Monarca79, A. Barros201, N. Barros133,63, J.L. Barrow141, A. Basharina-Freshville211, A. Bashyal7, V. Basque68, C. Batchelor59, J.B.R. Battat217, F. Battisti164, F. Bay4, M.C.Q. Bazetto30, J.L.L. Bazo Alba177, J.F. Beacom162, E. Bechetoille113, B. Behera44, E. Belchior30, L. Bellantoni68, G. Bellettini105,175, V. Bellini95,31, O. Beltramello35, N. Benekos35, C. Benitez Montiel9, D. Benjamin20, F. Bento Neves133, J. Berger44, S. Berkman68, P. Bernardini99,186, R.M. Berner14, A. Bersani98, S. Bertolucci94,17, M. Betancourt68, A. Betancur Rodríguez60, A. Bevan180, Y. Bezawada23, A.T. Bezerra64, T.J. Bezerra199, J. Bhambure196, A. Bhardwaj136, V. Bhatnagar167, M. Bhattacharjee91, M. Bhattacharya68, D. Bhattarai150, S. Bhuller19, B. Bhuyan91, S. Biagi107, J. Bian24, M. Biassoni100, K. Biery68, B. Bilki15,111, M. Bishai20, V. Bisignani102, A. Bitadze140, A. Blake131, F.D. Blaszczyk68, G.C. Blazey157, D. Blend111, E. Blucher37, J. Boissevain135, S. Bolognesi34, T. Bolton124, L. Bomben100,110, M. Bonesini100,146, C. Bonilla-Diaz32, F. Bonini20, A. Booth180, F. Boran15, S. Bordoni35, A. Borkum199, N. Bostan111, P. Bour50, D. Boyden157, J. Bracinik16, D. Braga68, D. Brailsford131, A. Branca100, A. Brandt205, M. Bravo-Moreno75, J. Bremer35, C. Brew185, S.J. Brice68, C. Brizzolari100,146, C. Bromberg145, J. Brooke19, A. Bross68, G. Brunetti100,146, M. Brunetti216, N. Buchanan44, H. Budd182, J. Buergi14, G.Caceres V.23, I. Cagnoli94,17, T. Cai223, D. Caiulo113, R. Calabrese96,69, P. Calafiura132, J. Calcutt163, M. Calin21, L. Calivers14, S. Calvez44, E. Calvo39, A. Caminata98, D. Caratelli27, D. Carber44, J.C. Carceller211, G. Carini20, B. Carlus113, M.F. Carneiro20, P. Carniti100, I. Caro Terrazas44, H. Carranza205, N. Carrara23, L. Carroll124, T. Carroll220, A. Carter183, J.F. Castaño Forero6, A. Castillo189, E. Catano-Mur219, C. Cattadori100, F. Cavalier168, G. Cavallaro100, F. Cavanna68, S. Centro166, G. Cerati68, A. Cervelli94, A. Cervera Villanueva87, K. Chakraborty174, M. Chalifour35, A. Chappell216, E. Chardonnet169, N. Charitonidis35, A. Chatterjee176, S. Chattopadhyay213, H. Chen20, M. Chen24, Y. Chen14,191, Z. Chen196, Z. Chen-Wishart183, Y. Cheon210, D. Cherdack83, C. Chi45, S. Childress68, R. Chirco89, A. Chiriacescu21, N. Chitirasreemadam105,175, K. Cho127, S. Choate157, D. Chokheli74, P.S. Chong172, B. Chowdhury7, A. Christensen44, D. Christian68, G. Christodoulou35, A. Chukanov122, M. Chung210, E. Church165, V. Cicero94,17, D. Clapa215, P. Clarke59, G. Cline132, T.E. Coan195, A.G. Cocco102, J.A.B. Coelho169, A. Cohen169, J. Collot78, E. Conley57, J.M. Conrad141, M. Convery191, S. Copello98, P. Cova101,170, C. Cox183, L. Cremaldi150, L. Cremonesi180, J.I. Crespo-Anadón39, M. Crisler68, E. Cristaldo101,9, J. Crnkovic68, G. Crone211, R. Cross131, A. Cudd43, C. Cuesta39, Y. Cui26, D. Cussans19, J. Dai78, O. Dalager24, R. Dallavalle169, H. da Motta33, Z.A. Dar219, R. Darby199, L. Da Silva Peres67, C. David223,68, Q. David113, G.S. Davies150, S. Davini98, J. Dawson169, K. De205, S. De2, R. De Aguiar30, P. De Almeida30, P. Debbins111, I. De Bonis53, M.P. Decowski154,3, A. de Gouvêa158, P.C. De Holanda30, I.L. De Icaza Astiz199, A. Deisting139, P. De Jong154,3, A. De la Torre39, A. Delbart34, V. De Leo188,106, D. Delepine79, M. Delgado100,146, A. Dell'Acqua35, N. Delmonte101,170, P. De Lurgio7, J.R.T. de Mello Neto67, D.M. DeMuth212, S. Dennis29, C. Densham185, P. Denton20, G.W. Deptuch20, A. De Roeck35, V. De Romeri87, G. De Souza30, J.P. Detje29, R. Devi119, R. Dharmapalan82, M. Dias209, J.S. Díaz93, F. Díaz177, F. Di Capua102,151, A. Di Domenico188,106, S. Di Domizio98,73, S. Di Falco105, L. Di Giulio35, P. Ding68, L. Di Noto98,73, E. Diociaiuti97, C. Distefano107, R. Diurba14, M. Diwan20, Z. Djurcic7, D. Doering191, S. Dolan35, F. Dolek15, M.J. Dolinski56, D. Domenici97, L. Domine191, S. Donati105,175, Y. Donon35, S. Doran112, D. Douglas145, A. Dragone191, F. Drielsma191, L. Duarte209, D. Duchesneau53, K. Duffy164,68, K. Dugas24, P. Dunne90, B. Dutta203, H. Duyang192, O. Dvornikov82, D.A. Dwyer132, A.S. Dyshkant157, M. Eads157, A. Earle199, D. Edmunds145, J. Eisch68, L. Emberger140,142, P. Englezos184, A. Ereditato221, T. Erjavec23, C.O. Escobar68, J.J. Evans140, E. Ewart93, A.C. Ezeribe190, K. Fahey68, L. Fajt35, A. Falcone100,146, M. Fani'135, C. Farnese103, Y. Farzan114, D. Fedoseev122, J. Felix79, Y. Feng112, E. Fernandez-Martinez138, F. Ferraro98,73, L. Fields159, P. Filip49, A. Filkins200, F. Filthaut154,181, R. Fine135, G. Fiorillo102,151, M. Fiorini96,69, V. Fischer112, R.S. Fitzpatrick144, W. Flanagan52, B. Fleming37,221, R. Flight182, S. Fogarty44, W. Foreman89, J. Fowler57, J. Franc50, D. Franco221, J. Freeman68, J. Fried20, A. Friedland191, S. Fuess68, I.K. Furic70, K. Furman180, A.P. Furmanski149, A. Gabrielli94,17, A. Gago177, H. Gallagher208, A. Gallas168, A. Gallego-Ros39, N. Gallice101,147, V. Galymov113, E. Gamberini35, T. Gamble190, F. Ganacim201, R. Gandhi80, S. Ganguly68, F. Gao176, S. Gao20, D. Garcia-Gamez75, M.Á. García-Peris87, S. Gardiner68, D. Gastler18, A. Gauch14, J. Gauvreau161, P. Gauzzi188,106, G. Ge45, N. Geffroy53, B. Gelli30, A. Gendotti62, S. Gent194, L. Gerlach20, Z. Ghorbani-Moghaddam98, P. Giammaria30, T. Giammaria96,69, N. Giangiacomi207, D. Gibin166,103, I. Gil-Botella39, S. Gilligan163, A. Gioiosa105, S. Giovannella97, C. Girerd113, A.K. Giri92, D. Gnani132, O. Gogota130, M. Gold152, S. Gollapinni135, K. Gollwitzer68, R.A. Gomes65, L.V. Gomez Bermeo189, L.S. Gomez Fajardo189, F. Gonnella16, D. Gonzalez-Diaz88, M. Gonzalez-Lopez138, M.C. Goodman7, O. Goodwin140, S. Goswami174, C. Gotti100, J. Goudeau136, E. Goudzovski16, C. Grace132, R. Gran148, E. Granados79, P. Granger169, C. Grant18, D. Gratieri72, P. Green164, S. Greenberg22,132, L. Greenler220, J. Greer19, J. Grenard35, W.C. Griffith199, F.T. Groetschla35, M. Groh44, K. Grzelak215, W. Gu20, V. Guarino7, M. Guarise96,69, R. Guenette140, E. Guerard168, M. Guerzoni94, D. Guffanti100, A. Guglielmi103, B. Guo192, A. Gupta191, V. Gupta154,3, K.K. Guthikonda128, P. Guzowski140, M.M. Guzzo30, S. Gwon38, C. Ha38, K. Haaf68, A. Habig148, H. Hadavand205, A. Hadef139, R. Haenni14, L. Hagaman221, A. Hahn68, J. Haiston193, P. Hamacher-Baumann164, T. Hamernik68, P. Hamilton90, J. Han176, J. Hancock16, F. Happacher97, D.A. Harris223,68, J. Hartnell199, T. Hartnett185, J. Harton44, T. Hasegawa126, C. Hasnip164, R. Hatcher68, K.W. Hatfield24, A. Hatzikoutelis187, C. Hayes93, K. Hayrapetyan180, J. Hays180, E. Hazen18, M. He83, A. Heavey68, K.M. Heeger221, J. Heise198, S. Henry182, M.A. Hernandez Morquecho89, K. Herner68, V. Hewes40, C. Hilgenberg149, T. Hill85, S.J. Hillier16, A. Himmel68, E. Hinkle37, L.R. Hirsch201, J. Ho55, J. Hoff68, A. Holin185, T. Holvey164, E. Hoppe165, G.A. Horton-Smith124, M. Hostert149, T. Houdy168, A. Hourlier141, B. Howard68, R. Howell182, J. Hoyos Barrios143, I. Hristova185, M.S. Hronek68, J. Huang23, R.G. Huang132, Z. Hulcher191, G. Iles90, N. Ilic207, A.M. Iliescu94, R. Illingworth68, G. Ingratta94,17, A. Ioannisian222, B. Irwin149, L. Isenhower1, M. Ismerio Oliveira67, R. Itay191, C.M. Jackson165, V. Jain2, E. James68, W. Jang205, B. Jargowsky24, F. Jediny50, D. Jena68, Y.S. Jeong38, C. Jesús-Valls86, X. Ji20, J. Jiang196, L. Jiang214, A. Jipa21, J.H. Jo221, F.R. Joaquim133,115, W. Johnson193, B. Jones205, R. Jones190, N. Jovancevic160, M. Judah176, C.K. Jung196, T. Junk68, Y. Jwa45, M. Kabirnezhad90, A. Kaboth183,185, I. Kadenko130, I. Kakorin122, A. Kalitkina122, D. Kalra45, O. Kamer Koseyan111, F. Kamiya66, D.M. Kaplan89, G. Karagiorgi45, G. Karaman111, A. Karcher132, Y. Karyotakis53, S. Kasai129, S.P. Kasetti136, L. Kashur44, I. Katsioulas16, N. Kazaryan222, E. Kearns18, P. Keener172, K.J. Kelly35, E. Kemp30, O. Kemularia74, Y. Kermaidic168, W. Ketchum68, S.H. Kettell20, M. Khabibullin109, A. Khotjantsev109, A. Khvedelidze74, D. Kim203, B. King68, B. Kirby45, M. Kirby68, J. Klein172, J. Kleykamp150, A. Klustova90, T. Kobilarcik68, K. Koehler220, L.W. Koerner83, D.H. Koh191, S. Kohn22,132, P.P. Koller14, L. Kolupaeva122, D. Korablev122, M. Kordosky219, T. Kosc78, U. Kose35, V.A. Kostelecký93, K. Kothekar19, I. Kotler56, V. Kozhukalov122, R. Kralik199, L. Kreczko19, F. Krennrich112, I. Kreslo14, W. Kropp24, T. Kroupova172, M. Kubu35, Y. Kudenko109, V.A. Kudryavtsev190, S. Kuhlmann7, S. Kulagin109, J. Kumar82, P. Kumar190, P. Kunze53, R. Kuravi132, N. Kurita191, C. Kuruppu192, V. Kus50, T. Kutter136, J. Kvasnicka49, D. Kwak210, A. Lambert132, B.J. Land172, C.E. Lane56, K. Lang206, T. Langford221, M. Langstaff140, F. Lanni35, O. Lantwin53, J. Larkin20, P. Lasorak90, D. Last172, A. Laundrie220, G. Laurenti94, A. Lawrence132, P. Laycock20, I. Lazanu21, M. Lazzaroni101,147, T. Le208, S. Leardini88, J. Learned82, P. LeBrun113, T. LeCompte191, C. Lee68, V. Legin130, G. Lehmann Miotto35, R. Lehnert93, M.A. Leigui de Oliveira66, M. Leitner132, L.M. Lepin140, S.W. Li191, Y. Li20, H. Liao124, C.S. Lin132, S. Lin136, D. Lindebaum19, R.A. Lineros32, J. Ling197, A. Lister220, B.R. Littlejohn89, J. Liu24, Y. Liu37, S. Lockwitz68, T. Loew132, M. Lokajicek49, I. Lomidze74, K. Long90, T. Lord216, J.M. LoSecco159, W.C. Louis135, X.-G. Lu216, K.B. Luk22,132, B. Lunday172, X. Luo27, E. Luppi96,69, T. Lux86, V.P. Luzio66, J. Maalmi168, D. MacFarlane191, A.A. Machado30, P. Machado68, C.T. Macias93, J.R. Macier68, M. MacMahon211, A. Maddalena77, A. Madera35, P. Madigan22,132, S. Magill7, K. Mahn145, A. Maio133,63, A. Major57, K. Majumdar134, J.A. Maloney51, M. Man207, G. Mandrioli94, R.C. Mandujano24, J. Maneira133,63, L. Manenti211, S. Manly182, A. Mann208, K. Manolopoulos185, M. Manrique Plata93, V.N. Manyam20, M. Marchan68, A. Marchionni68, W. Marciano20, D. Marfatia82, C. Mariani214, J. Maricic82, F. Marinho116, A.D. Marino43, T. Markiewicz191, D. Marsden140, M. Marshak149, C.M. 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Olshevskiy122, Y. Onel111, Y. Onishchuk130, J. Ott24, L. Pagani23, G. Palacio60, O. Palamara68, S. Palestini35, J.M. Paley68, M. Pallavicini98,73, C. Palomares39, S. Pan174, W. Panduro Vazquez183, E. Pantic23, V. Paolone176, V. Papadimitriou68, R. Papaleo107, A. Papanestis185, S. Paramesvaran19, S. Parke68, E. Parozzi100,146, S. Parsa14, Z. Parsa20, S. Parveen120, M. Parvu21, D. Pasciuto105, S. Pascoli58,17, L. Pasqualini94,17, J. Pasternak90, J. Pater140, C. Patrick59,211, L. Patrizii94, R.B. Patterson28, S.J. Patton132, T. Patzak169, A. Paudel68, L. Paulucci66, Z. Pavlovic68, G. Pawloski149, D. Payne134, V. Pec49, S.J.M. Peeters199, A. Pena Perez191, E. Pennacchio113, A. Penzo111, O.L.G. Peres30, Y.F. Perez Gonzalez58, L. Pérez-Molina39, C. Pernas219, J. Perry59, D. Pershey57, G. Pessina100, G. Petrillo191, C. Petta95,31, R. Petti192, V. Pia94,17, F. Piastra14, L. Pickering183, F. Pietropaolo35,103, V.L. Pimentel47,30, G. Pinaroli20, K. Plows164, R. Plunkett68, T. Pollman154,3, F. Pompa87, X. Pons35, N. Poonthottathil112, F. Poppi94,17, S. Pordes68, J. Porter199, M. Potekhin20, R. Potenza95,31, B.V.K.S. Potukuchi119, J. Pozimski90, M. Pozzato94,17, S. Prakash30, T. Prakash132, C. Pratt23, M. Prest100, F. Psihas68, D. Pugnere113, X. Qian20, J.L. Raaf68, V. Radeka20, J. Rademacker19, R. Radev35, B. Radics223, A. Rafique7, E. Raguzin20, M. Rai216, M. Rajaoalisoa40, I. Rakhno68, A. Rakotonandrasana5, L. Rakotondravohitra5, R. Rameika68, M.A. Ramirez Delgado172, B. Ramson68, A. Rappoldi104,171, G. Raselli104,171, P. Ratoff131, S. Raut196, H. Razafinime40, R.F. Razakamiandra5, E.M. Rea149, J.S. Real78, B. Rebel220,68, R. Rechenmacher68, M. Reggiani-Guzzo140, J. Reichenbacher193, S.D. Reitzner68, H. Rejeb Sfar35, A. Renshaw83, S. Rescia20, F. Resnati35, M. Ribas201, S. Riboldi101, C. Riccio196, G. Riccobene107, L.C.J. Rice176, J.S. Ricol78, A. Rigamonti35, Y. Rigaut62, E.V. Rincón60, A. Ritchie-Yates183, D. Rivera135, R. Rivera68, A. Robert78, J.L. 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The rapid development of general-purpose computing on
graphics processing units (GPGPU) is allowing the implementation
of highly-parallelized Monte Carlo simulation chains for particle
physics experiments. This technique is particularly suitable for
the simulation of a pixelated charge readout for time projection
chambers, given the large number of channels that this technology
employs. Here we present the first implementation of a full
microphysical simulator of a liquid argon time projection
chamber (LArTPC) equipped with light readout and pixelated charge
readout, developed for the DUNE Near Detector. The software is
implemented with an end-to-end set of GPU-optimized
algorithms. The algorithms have been written in Python and
translated into CUDA kernels using Numba, a just-in-time compiler
for a subset of Python and NumPy instructions. The GPU
implementation achieves a speed up of four orders of magnitude
compared with the equivalent CPU version. The simulation of the
current induced on 10^3 pixels takes around 1 ms on the GPU,
compared with approximately 10 s on the CPU. The results of the
simulation are compared against data from a pixel-readout LArTPC
prototype.
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