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This paper presents a summary of beam-induced backgrounds observed in the ATLAS detector and discusses methods to tag and remove background contaminated events in data. Trigger-rate based monitoring of beam-related backgrounds is presented. The correlations of backgrounds with machine conditions, such as residual pressure in the beam-pipe, are discussed. Results from dedicated beam-background simulations are shown, and their qualitative agreement with data is evaluated. Data taken during the passage of unpaired, i.e. non-colliding, proton bunches is used to obtain background-enriched data samples. These are used to identify characteristic features of beam-induced backgrounds, which then are exploited to develop dedicated background tagging tools. These tools, based on observables in the Pixel detector, the muon spectrometer and the calorimeters, are described in detail and their efficiencies are evaluated. Finally an example of an application of these techniques to a monojet analysis is given, which demonstrates the importance of such event cleaning techniques for some new physics searches.
Characterisation and mitigation of beam-induced backgrounds observed in the ATLAS detector during the 2011 proton-proton run / Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S.A., Abdelalim, A.A., Abdinov, O., Aben, R., Abi, B., Abolins, M., Abouzeid, O.S., Abramowicz, H., Abreu, H., Acharya, B.S., Adamczyk, L., Adams, D.L., Addy, T.N., Adelman, J., Adomeit, S., Adragna, P., et al.. - In: JOURNAL OF INSTRUMENTATION. - ISSN 1748-0221. - 8:(2013), p. P07004. [10.1088/1748-0221/8/07/p07004]
Characterisation and mitigation of beam-induced backgrounds observed in the ATLAS detector during the 2011 proton-proton run
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Kortner;S. Kortner;V. V. Kostyukhin;S. Kotov;V. M. Kotov;A. Kotwal;C. Kourkoumelis;V. Kouskoura;A. Koutsman;R. Kowalewski;T. Z. Kowalski;W. Kozanecki;A. S. Kozhin;V. Kral;V. A. Kramarenko;G. Kramberger;M. W. Krasny;A. Krasznahorkay;J. K. Kraus;S. Kreiss;F. Krejci;J. Kretzschmar;N. Krieger;P. Krieger;K. Kroeninger;H. Kroha;J. Kroll;J. Kroseberg;J. Krstica;U. Kruchonak;H. Krueger;T. Kruker;N. Krumnack;Z. V. Krumshteyn;M. K. Kruse;T. Kubota;S. Kuday;S. Kuehn;A. Kugel;T. Kuhl;D. Kuhn;V. Kukhtin;Y. Kulchitsky;S. Kuleshov;C. Kummer;M. Kuna;J. Kunkle;A. Kupco;H. Kurashige;M. Kurata;Y. A. Kurochkin;V. Kus;E. S. Kuwertz;M. Kuze;J. Kvita;R. Kwee;A. L. Rosa;L. L. Rotonda;L. Labarga;J. Labbe;S. Lablak;C. Lacasta;LACAVA, Francesco;J. Lacey;H. Lacker;D. Lacour;V. R. Lacuesta;E. Ladygin;R. Lafaye;B. Laforge;T. Lagouri;S. Lai;E. Laisne;L. Lambourne;C. L. Lampen;W. Lampl;E. Lancon;U. Landgraf;M. P. J.;V. S. Lang;C. Lange;A. J. Lankford;F. Lanni;K. Lantzsch;A. Lanza;S. Laplace;C. Lapoire;J. F. Laporte;T. Lari;A. Larner;M. Lassnig;P. Laurelli;V. Lavorini;W. Lavrijsen;P. Laycock;O. L. Dortz;E. L. Guirriec;E. L. Menedeu;T. LeCompte;F. Ledroit Guillon;H. Lee;J. S. H.;S. C. Lee;L. Lee;M. Lefebvre;M. Legendre;F. Legger;C. Leggett;M. Lehmacher;G. L. Miotto;A. G. Leister;M. A. L.;R. Leitner;D. Lellouch;B. Lemmer;V. Lendermann;K. J. C.;T. Lenz;G. Lenzen;B. Lenzi;K. Leonhardt;S. Leontsinis;F. Lepold;C. Leroy;J. . . R.;C. G. Lester;C. M. Lester;J. Leveque;D. Levin;L. J. Levinson;A. Lewis;G. H. Lewis;A. M. Leyko;M. Leyton;B. Li;H. Li;H. L. Li;S. Li;X. Li;Z. Liang;H. Liao;B. Liberti;P. Lichard;M. Lichtnecker;K. Lie;W. Liebig;C. Limbach;A. Limosani;M. Limper;S. C. Lin;F. Linde;J. T. Linnemann;E. Lipeles;A. Lipniacka;T. M. Liss;D. Lissauer;A. Lister;A. M. Litke;C. Liu;D. Liu;H. Liu;J. B. Liu;L. Liu;M. Liu;Y. Liu;M. Livan;S. S. A.;A. Lleres;J. L. Merino;S. L. Lloyd;E. Lobodzinska;P. Loch;W. S. Lockman;T. Loddenkoetter;F. K. Loebinger;A. Loginov;C. W. Loh;T. Lohse;K. Lohwasser;M. Lokajicek;V. P. Lombardo;R. E. Long;L. Lopes;D. L. Mateos;J. Lorenz;N. L. Martinez;M. Losada;P. Loscutoff;F. L. Sterzo;M. J. Losty;X. Lou;A. Lounis;K. F. Loureiro;J. Love;P. A. Love;A. J. Lowe;F. Lu;H. J. Lubatti;LUCI, Claudio;A. Lucotte;A. Ludwig;D. Ludwig;I. Ludwig;J. Ludwig;F. Luehring;G. Luijckx;W. Lukas;L. Luminari;E. Lund;B. Lund Jensen;B. Lundberg;J. Lundberg;O. Lundberg;J. Lundquist;M. Lungwitz;D. Lynn;E. Lytken;H. Ma;L. L. Ma;G. Maccarrone;A. Macchiolo;B. Macek;J. M. Miguens;D. Macina;R. Mackeprang;R. J. Madaras;H. J. Maddocks;W. F. Mader;R. Maenner;T. Maeno;P. Maettig;M. Maettig;L. Magnoni;E. Magradze;K. Mahboubi;J. Mahlstedt;S. Mahmoud;G. Mahout;C. Maiani;C. Maidantchik;A. Maio;S. Majewski;Y. Makida;N. Makovec;P. Mal;B. Malaescu;P. Malecki;P. Malecki;V. P. Maleev;F. Malek;U. Mallik;D. Malon;C. Malone;S. Maltezos;V. Malyshev;S. Malyukov;R. Mameghani;J. Mamuzic;A. Manabe;L. Mandelli;I. Mandic;R. Mandrysch;J. Maneira;A. Manfredini;L. M. de;J. A. Manjarres;A. Mann;P. M. Manning;A. Manousakis Katsikakis;B. Mansoulie;A. Mapelli;L. Mapelli;L. March;J. F. Marchand;F. Marchese;G. Marchiori;M. Marcisovsky;C. P. Marino;F. Marroquim;Z. Marshall;F. K. Martens;L. F. Marti;S. Marti Garcia;B. Martin;B. Martin;J. P. Martin;T. A. Martin;V. J. Martin;B. M. Dit;S. Martin Haugh;M. Martinez;V. M. Outschoorn;A. C. Martyniuk;M. Marx;F. Marzano;A. Marzin;L. Masetti;T. Mashimo;R. Mashinistov;J. Masik;A. L. Maslennikov;I. Massa;G. Massaro;N. Massol;P. Mastrandrea;A. Mastroberardino;T. Masubuchi;P. Matricon;H. Matsunaga;T. Matsushita;C. Mattravers;J. Maurer;S. J. Maxfield;D. A. Maximov;A. Mayne;R. Mazini;M. Mazur;L. Mazzaferro;M. Mazzanti;J. M. Donald;S. P. Mc;A. McCarn;R. L. McCarthy;T. G. McCarthy;N. A. McCubbin;K. W. McFarlane;J. A. Mcfayden;G. Mchedlidze;T. Mclaughlan;S. J. McMahon;R. A. McPherson;A. Meade;J. Mechnich;M. Mechtel;M. Medinnis;S. Meehan;R. Meera Lebbai;T. Meguro;S. Mehlhase;A. Mehta;K. Meier;B. Meirose;C. Melachrinos;B. R. Mellado;F. Meloni;L. M. Navas;Z. Meng;A. Mengarelli;S. Menke;E. Meoni;K. M. Mercurio;P. Mermod;L. Merola;C. Meroni;F. S. Merritt;H. Merritt;MESSINA, Andrea;J. Metcalfe;A. S. Mete;C. Meyer;C. Meyer;J. . . P.;J. Meyer;J. Meyer;S. Michal;L. Micu;R. P. Middleton;S. Migas;L. Mijovic;G. Mikenberg;M. Mikestikova;M. Mikuz;D. W. Miller;R. J. Miller;W. J. Mills;C. Mills;A. Milov;D. A. Milstead;D. Milstein;A. A. Minaenko;M. M. Moya;I. A. Minashvili;A. I. Mincer;B. Mindur;M. Mineev;Y. Ming;L. M. Mir;G. Mirabelli;J. Mitrevski;V. A. Mitsou;S. Mitsui;P. S. Miyagawa;J. U. Mjoernmark;T. Moa;V. Moeller;K. Moenig;N. Moeser;S. Mohapatra;W. Mohr;R. Moles Valls;A. Molfetas;J. Monk;E. Monnier;J. M. Berlingen;F. Monticelli;MONZANI, SIMONE;R. W. Moore;G. F. Moorhead;C. M. Herrera;A. Moraes;N. Morange;J. Morel;G. Morello;D. Moreno;M. M. Llacer;P. Morettini;M. Morgenstern;M. Morii;A. K. Morley;G. Mornacchi;J. D. Morris;L. Morvaj;H. G. Moser;M. Mosidze;J. Moss;R. Mount;E. Mountricha;S. V. Mouraviev;E. J. W.;F. Mueller;K. Mueller;T. A. Mueller;T. Mueller;D. Muenstermann;Y. Munwes;W. J. Murray;I. Mussche;E. Musto;A. G. Myagkov;M. Myska;O. Nackenhorst;J. Nadal;K. Nagai;R. Nagai;K. Nagano;A. Nagarkar;Y. Nagasaka;M. Nagel;A. M. Nairz;Y. Nakahama;K. Nakamura;T. Nakamura;I. Nakano;G. Nanava;A. Napier;R. Narayan;M. Nash;T. Nattermann;T. Naumann;G. Navarro;H. A. Neal;P. Y. Nechaeva;T. J. Neep;A. Negri;G. Negri;M. Negrini;S. Nektarijevic;A. Nelson;T. K. Nelson;S. Nemecek;P. Nemethy;A. A. Nepomuceno;M. Nessi;M. S. Neubauer;M. Neumann;A. Neusiedl;R. M. Neves;P. Nevski;F. M. Newcomer;P. R. Newman;V. N. Thi;R. B. Nickerson;R. Nicolaidou;B. Nicquevert;F. Niedercorn;J. Nielsen;N. Nikiforou;A. Nikiforov;V. Nikolaenko;I. Nikolic Audit;K. Nikolics;K. Nikolopoulos;H. Nilsen;P. Nilsson;Y. Ninomiya;A. Nisati;R. Nisius;T. Nobe;L. Nodulman;M. Nomachi;I. Nomidis;S. Norberg;M. Nordberg;P. R. Norton;J. Novakova;M. Nozaki;L. Nozka;I. M. Nugent;A. . . E.;G. N. Hanninger;T. Nunnemann;E. Nurse;B. J. O'Brien;D. C. O'Neil;V. O'Shea;L. B. Oakes;F. G. Oakham;H. Oberlack;J. Ocariz;A. Ochi;S. Oda;S. Odaka;J. Odier;H. Ogren;A. Oh;S. H. Oh;C. C. Ohm;T. Ohshima;W. Okamura;H. Okawa;Y. Okumura;T. Okuyama;A. Olariua;A. G. Olchevski;S. A. Olivares;M. Oliveira;D. O. Damazio;E. O. Garcia;D. Olivito;A. Olszewski;J. Olszowska;A. Onofre;P. U. E.;C. J. Oram;M. J. Oregli;Y. Oren;D. Orestano;N. Orlando;I. Orlov;C. O. Barrera;R. S. Orr;B. Osculati;R. Ospanov;C. Osuna;G. O. y;J. P. Ottersbach;M. Ouchrif;E. A. Ouellette;F. Ould Saada;A. Ouraou;Q. Ouyang;A. Ovcharova;M. Owen;S. Owen;V. E. Ozcan;N. Ozturk;A. P. Pages;C. P. Aranda;S. P. Griso;E. Paganis;C. Pahl;F. Paige;P. Pais;K. Pajchel;G. Palacino;C. P. Paleari;S. Palestini;D. Pallin;A. Palma;J. D. Palmer;Y. B. Pan;E. Panagiotopoulou;J. G. Panduro;P. Pani;N. Panikashvili;S. Panitkin;D. Pantea;A. Papadelis;T. D. Papadopoulou;A. Paramonov;D. P. Hernandez;W. Park;M. A. Parker;F. Parodi;J. A. Parsons;U. Parzefall;S. Pashapour;E. Pasqualucci;S. Passaggio;A. Passeri;F. Pastore;F. Pastore;G. Pasztor;S. Pataraia;N. Patel;J. R. Pater;S. Patricelli;T. Pauly;M. Pecsy;S. P. Lopez;M. I. Pedraza;S. V. Peleganchuk;D. Pelikan;H. Peng;B. Penning;A. Penson;J. Penwell;M. Perantoni;K. Perez;T. P. Cavalcanti;E. P. Codina;M. T. Perez;V. P. Reale;L. Perini;H. Pernegger;R. Perrino;P. Perrodo;V. D. Peshekhonov;K. Peters;B. A. Petersen;J. Petersen;T. C. Petersen;E. Petit;A. Petridis;C. Petridou;E. Petrolo;F. Petrucci;D. Petschull;M. Petteni;R. Pezoa;A. Phan;P. W. Phillips;G. Piacquadio;A. Picazio;E. Piccaro;M. Piccinini;S. M. Piec;R. Piegaia;D. T. Pignotti;J. E. Pilcher;A. D. Pilkington;J. Pina;M. Pinamonti;A. Pinder;J. L. Pinfold;B. Pinto;C. Pizio;M. Plamondon;M. . . A.;E. Plotnikova;A. Poblaguev;S. Poddar;F. Podlyski;L. Poggioli;D. Pohl;M. Pohl;G. Polesello;A. Policicchio;A. Polini;J. Poll;V. Polychronakos;D. Pomeroy;K. Pommes;L. Pontecorvo;B. G. Pope;G. A. Popeneciu;D. S. Popovic;A. Poppleton;X. P. Bueso;G. E. Pospelov;S. Pospisil;I. N. Potrap;C. J. Potter;C. T. Potter;G. Poulard;J. Poveda;V. Pozdnyakov;R. Prabhu;P. Pralavorio;A. Pranko;S. Prasad;R. Pravahan;S. Prell;K. Pretzl;D. Price;J. Price;L. E. Price;D. Prieur;M. Primavera;K. Prokofiev;F. Prokoshin;S. Protopopescu;J. Proudfoot;X. Prudent;M. Przybycien;H. Przysiezniak;S. Psoroulas;E. Ptacek;E. Pueschel;J. Purdham;M. Purohit;P. Puzo;Y. Pylypchenko;J. Qian;A. Quadt;D. R. Quarrie;W. B. Quayle;F. Quinonez;M. Raas;V. Radeka;V. Radescu;P. Radloff;T. Rador;F. Ragusa;G. Rahal;A. M. Rahimi;D. Rahm;S. Rajagopalan;M. Rammensee;M. Rammes;A. S. Randle Conde;K. Randrianarivony;F. Rauscher;T. C. Rave;M. Raymond;A. L. Read;D. M. Rebuzzi;A. Redelbach;G. Redlinger;R. Reece;K. Reeves;A. Reinsch;I. Reisinger;C. Rembser;Z. L. Ren;A. Renaud;M. Rescigno;S. Resconi;B. Resende;P. Reznicek;R. Rezvani;R. Richter;E. Richter Was;M. Ridel;M. Rijpstra;M. Rijssenbeek;A. Rimoldi;L. Rinaldi;R. R. Rios;I. Riu;G. Rivoltella;F. Rizatdinova;E. Rizvi;S. H. Robertson;A. Robichaud Veronneau;D. Robinson;J. E. M.;A. Robson;J. G. Rocha;C. Roda;D. R. Dos;A. Roe;S. Roe;O. Rohne;S. Rolli;A. Romaniouk;M. Romano;G. Romeo;E. R. Adam;N. Rompotis;L. Roos;E. Ros;S. Rosati;K. Rosbach;A. Rose;M. Rose;G. A. Rosenbaum;E. I. Rosenberg;P. L. Rosendahl;O. Rosenthal;L. Rosselet;V. Rossetti;E. Rossi;L. P. Rossi;M. Rotaru;I. Roth;J. Rothberg;D. Rousseau;C. R. Royon;A. Rozanov;Y. Rozen;X. Ruan;F. Rubbo;I. Rubinskiy;N. Ruckstuhl;V. I. Rud;C. Rudolph;G. Rudolph;F. Ruehr;A. Ruiz Martinez;L. Rumyantsev;Z. Rurikova;N. A. Rusakovich;A. Ruschke;J. P. Rutherfoord;P. Ruzicka;Y. F. Ryabov;M. Rybar;G. Rybkin;N. C. Ryder;A. F. Saavedra;I. Sadeh;H. F. .;R. Sadykov;F. S. Tehrani;H. Sakamoto;G. Salamanna;A. Salamon;M. Saleem;D. Salek;D. Salihagic;A. Salnikov;J. Salt;B. M. Salvachua;D. Salvatore;F. Salvatore;A. Salvucci;A. Salzburger;D. Sampsonidis;B. H. Samset;A. Sanchez;V. S. Martinez;H. Sandaker;H. G. Sander;M. P. Sanders;M. Sandhoff;T. Sandoval;C. Sandoval;R. Sandstroem;D. P. C.;A. Sansoni;C. S. Rios;C. Santoni;R. Santonico;H. Santos;I. S. Castillo;J. G. Saraiva;T. Sarangi;E. Sarkisyan Grinbaum;B. Sarrazin;F. Sarri;G. Sartisohn;O. Sasaki;Y. Sasaki;N. Sasao;I. Satsounkevitch;G. Sauvage;E. Sauvan;J. B. Sauvan;P. Savard;V. Savinov;D. O. Savu;L. Sawyer;D. H. Saxon;J. Saxon;C. Sbarra;A. Sbrizzi;D. A. Scannicchio;M. Scarcella;J. Schaarschmidt;P. Schacht;D. Schaefer;U. Schaefer;A. Schaelicke;S. Schaepe;S. Schaetzel;A. C. Schaffer;D. Schaile;R. D. Schamberger;A. G. Schamov;V. Scharf;V. A. Schegelsky;D. Scheirich;M. Schernau;M. I. Scherzer;C. Schiavi;J. Schieck;M. Schioppa;S. Schlenker;E. Schmidt;K. Schmieden;C. Schmitt;S. Schmitt;B. Schneider;U. Schnoor;L. Schoeffel;A. Schoeningb;A. L. S.;M. Schott;D. Schouten;J. Schovancova;M. Schram;C. Schroeder;N. Schroerc;M. J. Schultens;J. Schultes;H. . . C.;H. Schulz;M. Schumacher;B. A. Schumm;P. Schune;C. Schwanenberger;A. Schwartzman;P. Schwegler;P. Schwemling;R. Schwienhorst;R. Schwierz;J. Schwindling;T. Schwindt;M. Schwoerer;F. G. Sciacca;G. Sciolla;W. G. Scott;J. Searcy;G. Sedov;E. Sedykh;S. C. Seidel;A. 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Zmouchko;G. Zobernig;A. Zoccoli;M. Z. Nedden;V. Zutshi;L. Zwalinski
2013
Abstract
This paper presents a summary of beam-induced backgrounds observed in the ATLAS detector and discusses methods to tag and remove background contaminated events in data. Trigger-rate based monitoring of beam-related backgrounds is presented. The correlations of backgrounds with machine conditions, such as residual pressure in the beam-pipe, are discussed. Results from dedicated beam-background simulations are shown, and their qualitative agreement with data is evaluated. Data taken during the passage of unpaired, i.e. non-colliding, proton bunches is used to obtain background-enriched data samples. These are used to identify characteristic features of beam-induced backgrounds, which then are exploited to develop dedicated background tagging tools. These tools, based on observables in the Pixel detector, the muon spectrometer and the calorimeters, are described in detail and their efficiencies are evaluated. Finally an example of an application of these techniques to a monojet analysis is given, which demonstrates the importance of such event cleaning techniques for some new physics searches.
pattern recognition; cluster finding; calibration and fitting methods; single-particle dynamics); analysis and statistical methods; accelerator modelling and simulations (multi-particle dynamics; performance of high energy physics detectors
01 Pubblicazione su rivista::01a Articolo in rivista
Characterisation and mitigation of beam-induced backgrounds observed in the ATLAS detector during the 2011 proton-proton run / Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S.A., Abdelalim, A.A., Abdinov, O., Aben, R., Abi, B., Abolins, M., Abouzeid, O.S., Abramowicz, H., Abreu, H., Acharya, B.S., Adamczyk, L., Adams, D.L., Addy, T.N., Adelman, J., Adomeit, S., Adragna, P., et al.. - In: JOURNAL OF INSTRUMENTATION. - ISSN 1748-0221. - 8:(2013), p. P07004. [10.1088/1748-0221/8/07/p07004]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/555834
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simulazione ASN
Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione. La simulazione si basa sui dati IRIS e sugli indicatori bibliometrici alla data indicata e non tiene conto di eventuali periodi di congedo obbligatorio, che in sede di domanda ASN danno diritto a incrementi percentuali dei valori. La simulazione può differire dall'esito di un’eventuale domanda ASN sia per errori di catalogazione e/o dati mancanti in IRIS, sia per la variabilità dei dati bibliometrici nel tempo. Si consideri che Anvur calcola i valori degli indicatori all'ultima data utile per la presentazione delle domande.
La presente simulazione è stata realizzata sulla base delle specifiche raccolte sul tavolo ER del Focus Group IRIS coordinato dall’Università di Modena e Reggio Emilia e delle regole riportate nel DM 589/2018 e allegata Tabella A. Cineca, l’Università di Modena e Reggio Emilia e il Focus Group IRIS non si assumono alcuna responsabilità in merito all’uso che il diretto interessato o terzi faranno della simulazione. Si specifica inoltre che la simulazione contiene calcoli effettuati con dati e algoritmi di pubblico dominio e deve quindi essere considerata come un mero ausilio al calcolo svolgibile manualmente o con strumenti equivalenti.