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Benvenuti nell'Anagrafe della Ricerca d'Ateneo
The production of dark matter in association with Higgs bosons is predicted in several extensions of the Standard Model. An exploration of such scenarios is presented, considering final states with missing transverse momentum and b-tagged jets consistent with a Higgs boson. The analysis uses proton-proton collision data at a centre-of-mass energy of 13 TeV recorded by the ATLAS experiment at the LHC during Run 2, amounting to an integrated luminosity of 139 fb−1. The analysis, when compared with previous searches, benefits from a larger dataset, but also has further improvements providing sensitivity to a wider spectrum of signal scenarios. These improvements include both an optimised event selection and advances in the object identification, such as the use of the likelihood-based significance of the missing transverse momentum and variable-radius track-jets. No significant deviation from Standard Model expectations is observed. Limits are set, at 95% confidence level, in two benchmark models with two Higgs doublets extended by either a heavy vector boson Z′ or a pseudoscalar singlet a and which both provide a dark matter candidate χ. In the case of the two-Higgs-doublet model with an additional vector boson Z′, the observed limits extend up to a Z′ mass of 3 TeV for a mass of 100 GeV for the dark matter candidate. The two-Higgs-doublet model with a dark matter particle mass of 10 GeV and an additional pseudoscalar a is excluded for masses of the a up to 520 GeV and 240 GeV for tan β = 1 and tan β = 10 respectively. Limits on the visible cross-sections are set and range from to 0.05 fb to 3.26 fb, depending on the missing transverse momentum and b-quark jet multiplicity requirements. [Figure not available: see fulltext.]
Aad, G., Abbott, B., Abbott, D.C., Abed Abud, A., Abeling, K., Abhayasinghe, D.K., et al. (2021). Search for dark matter produced in association with a Standard Model Higgs boson decaying into b-quarks using the full Run 2 dataset from the ATLAS detector. JOURNAL OF HIGH ENERGY PHYSICS, 2021(11) [10.1007/JHEP11(2021)209].
Search for dark matter produced in association with a Standard Model Higgs boson decaying into b-quarks using the full Run 2 dataset from the ATLAS detector
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Keaveney;R. Keeler;J. S. Keller;D. Kelsey;J. J. Kempster;J. Kendrick;K. E. Kennedy;O. Kepka;S. Kersten;B. P. Kerševan;S. Ketabchi Haghighat;M. Khandoga;A. Khanov;A. G. Kharlamov;T. Kharlamova;E. E. Khoda;T. J. Khoo;G. Khoriauli;E. Khramov;J. Khubua;S. Kido;M. Kiehn;A. Kilgallon;E. Kim;Y. K. Kim;N. Kimura;A. Kirchhoff;D. Kirchmeier;J. Kirk;A. E. Kiryunin;T. Kishimoto;D. P. Kisliuk;V. Kitali;C. Kitsaki;O. Kivernyk;T. Klapdor-Kleingrothaus;M. Klassen;C. Klein;L. Klein;M. H. Klein;M. Klein;U. Klein;P. Klimek;A. Klimentov;F. Klimpel;T. Klingl;T. Klioutchnikova;F. F. Klitzner;P. Kluit;S. Kluth;E. Kneringer;T. M. Knight;A. Knue;D. Kobayashi;M. Kobel;M. Kocian;T. Kodama;P. Kodys;D. M. Koeck;P. T. Koenig;T. Koffas;N. M. Köhler;M. Kolb;I. Koletsou;T. Komarek;K. Köneke;A. X. Y. Kong;T. Kono;V. Konstantinides;N. Konstantinidis;B. Konya;R. Kopeliansky;S. Koperny;K. Korcyl;K. Kordas;G. Koren;A. Korn;S. Korn;I. Korolkov;E. V. Korolkova;N. Korotkova;O. Kortner;S. Kortner;V. V. Kostyukhin;A. Kotsokechagia;A. Kotwal;A. Koulouris;A. Kourkoumeli-Charalampidi;C. Kourkoumelis;E. Kourlitis;R. Kowalewski;W. Kozanecki;A. S. Kozhin;V. A. Kramarenko;G. Kramberger;D. Krasnopevtsev;M. W. Krasny;A. Krasznahorkay;J. A. Kremer;J. Kretzschmar;K. Kreul;P. Krieger;F. Krieter;S. Krishnamurthy;A. Krishnan;M. Krivos;K. Krizka;K. Kroeninger;H. Kroha;J. Kroll;J. Kroll;K. S. Krowpman;U. Kruchonak;H. Krüger;N. Krumnack;M. C. Kruse;J. A. Krzysiak;A. Kubota;O. Kuchinskaia;S. Kuday;D. Kuechler;J. T. Kuechler;S. Kuehn;T. Kuhl;V. Kukhtin;Y. Kulchitsky;S. Kuleshov;M. Kumar;N. Kumari;M. Kuna;A. Kupco;T. Kupfer;O. Kuprash;H. Kurashige;L. L. Kurchaninov;Y. A. Kurochkin;A. Kurova;M. G. Kurth;E. S. Kuwertz;M. Kuze;A. K. Kvam;J. Kvita;T. Kwan;C. Lacasta;F. Lacava;H. Lacker;D. Lacour;E. Ladygin;R. Lafaye;B. Laforge;T. Lagouri;S. Lai;I. K. Lakomiec;N. Lalloue;J. E. Lambert;S. Lammers;W. Lampl;C. Lampoudis;E. Lançon;U. Landgraf;M. P. J. Landon;V. S. Lang;J. C. Lange;R. J. Langenberg;A. J. Lankford;F. Lanni;K. Lantzsch;A. Lanza;A. Lapertosa;J. F. Laporte;T. Lari;F. Lasagni Manghi;M. Lassnig;V. Latonova;T. S. Lau;A. Laudrain;A. Laurier;M. Lavorgna;S. D. Lawlor;M. Lazzaroni;B. Le;A. Lebedev;M. LeBlanc;T. LeCompte;F. Ledroit-Guillon;A. C. A. Lee;C. A. Lee;G. R. Lee;L. Lee;S. C. Lee;S. Lee;L. L. Leeuw;B. Lefebvre;H. P. Lefebvre;M. Lefebvre;C. Leggett;K. Lehmann;N. Lehmann;G. Lehmann Miotto;W. A. Leight;A. Leisos;M. A. L. Leite;C. E. Leitgeb;R. Leitner;K. J. C. Leney;T. Lenz;S. Leone;C. Leonidopoulos;A. Leopold;C. Leroy;R. Les;C. G. Lester;M. Levchenko;J. Levêque;D. Levin;L. J. Levinson;D. J. Lewis;B. Li;B. Li;C. Li;C-Q. Li;H. Li;H. Li;J. Li;K. Li;L. Li;M. Li;Q. Y. Li;S. Li;X. Li;Y. Li;Z. Li;Z. Li;Z. Li;Z. Li;Z. Liang;M. Liberatore;B. Liberti;K. Lie;K. Lin;R. A. Linck;R. E. Lindley;J. H. Lindon;A. Linss;A. L. Lionti;E. Lipeles;A. Lipniacka;T. M. Liss;A. Lister;J. D. Little;B. Liu;B. X. Liu;J. B. Liu;J. K. K. Liu;K. Liu;M. Liu;M. Y. Liu;P. Liu;X. Liu;Y. Liu;Y. Liu;Y. L. Liu;Y. W. Liu;M. Livan;A. Lleres;J. Llorente Merino;S. L. Lloyd;E. M. Lobodzinska;P. Loch;S. Loffredo;T. Lohse;K. Lohwasser;M. Lokajicek;J. D. Long;R. E. Long;I. Longarini;L. Longo;R. Longo;I. Lopez Paz;A. Lopez Solis;J. Lorenz;N. Lorenzo Martinez;A. M. Lory;A. Lösle;X. Lou;X. Lou;A. Lounis;J. Love;P. A. Love;J. J. Lozano Bahilo;G. Lu;M. Lu;S. Lu;Y. J. Lu;H. J. Lubatti;C. Luci;F. L. Lucio Alves;A. Lucotte;F. Luehring;I. Luise;L. Luminari;B. Lund-Jensen;N. A. Luongo;M. S. Lutz;D. Lynn;H. Lyons;R. Lysak;E. Lytken;F. Lyu;V. Lyubushkin;T. Lyubushkina;H. Ma;L. L. Ma;Y. Ma;D. M. Mac Donell;G. Maccarrone;C. M. Macdonald;J. C. MacDonald;R. Madar;W. F. Mader;M. Madugoda Ralalage Don;N. Madysa;J. Maeda;T. Maeno;M. Maerker;V. Magerl;J. Magro;D. J. Mahon;C. Maidantchik;A. Maio;K. Maj;O. Majersky;S. Majewski;N. Makovec;B. Malaescu;Pa. Malecki;V. P. Maleev;F. Malek;D. Malito;U. Mallik;C. Malone;S. Maltezos;S. Malyukov;J. Mamuzic;G. Mancini;J. P. Mandalia;I. Mandić;L. Manhaes de Andrade Filho;I. M. Maniatis;M. Manisha;J. Manjarres Ramos;K. H. Mankinen;A. Mann;A. Manousos;B. Mansoulie;I. Manthos;S. Manzoni;A. Marantis;L. Marchese;G. Marchiori;M. Marcisovsky;L. Marcoccia;C. Marcon;M. Marjanovic;Z. Marshall;S. Marti-Garcia;T. A. Martin;V. J. Martin;B. Martin dit Latour;L. Martinelli;M. Martinez;P. Martinez Agullo;V. I. Martinez Outschoorn;S. Martin-Haugh;V. S. Martoiu;A. C. Martyniuk;A. Marzin;S. R. Maschek;L. Masetti;T. Mashimo;R. Mashinistov;J. Masik;A. L. Maslennikov;L. Massa;P. Massarotti;P. Mastrandrea;A. Mastroberardino;T. Masubuchi;D. Matakias;T. Mathisen;A. Matic;N. Matsuzawa;J. Maurer;B. Maček;D. A. Maximov;R. Mazini;I. Maznas;S. M. Mazza;C. Mc Ginn;J. P. Mc Gowan;S. P. Mc Kee;T. G. McCarthy;W. P. McCormack;E. F. McDonald;A. E. McDougall;J. A. Mcfayden;G. Mchedlidze;M. A. McKay;K. D. McLean;S. J. McMahon;P. C. McNamara;R. A. McPherson;J. E. Mdhluli;Z. A. Meadows;S. Meehan;T. Megy;S. Mehlhase;A. Mehta;B. Meirose;D. Melini;B. R. Mellado Garcia;F. Meloni;A. Melzer;E. D. Mendes Gouveia;A. M. Mendes Jacques Da Costa;H. Y. Meng;L. Meng;S. Menke;M. Mentink;E. Meoni;S. A. M. Merkt;C. Merlassino;P. Mermod;L. Merola;C. Meroni;G. Merz;O. Meshkov;J. K. R. Meshreki;J. Metcalfe;A. S. Mete;C. Meyer;J-P. Meyer;M. Michetti;R. P. Middleton;L. Mijović;G. Mikenberg;M. Mikestikova;M. Mikuž;H. Mildner;A. Milic;C. D. Milke;D. W. Miller;L. S. Miller;A. Milov;D. A. Milstead;A. A. Minaenko;I. A. Minashvili;L. Mince;A. I. Mincer;B. Mindur;M. Mineev;Y. Minegishi;Y. Mino;L. M. Mir;M. Miralles Lopez;M. Mironova;T. Mitani;V. A. Mitsou;M. Mittal;O. Miu;P. S. Miyagawa;Y. Miyazaki;A. Mizukami;J. U. Mjörnmark;T. Mkrtchyan;M. Mlynarikova;T. Moa;S. Mobius;K. Mochizuki;P. Moder;P. Mogg;S. Mohapatra;G. Mokgatitswane;B. Mondal;S. Mondal;K. Mönig;E. Monnier;A. Montalbano;J. Montejo Berlingen;M. Montella;F. Monticelli;N. Morange;A. L. Moreira De Carvalho;M. Moreno Llácer;C. Moreno Martinez;P. Morettini;M. Morgenstern;S. Morgenstern;D. Mori;M. Morii;M. Morinaga;V. Morisbak;A. K. Morley;A. P. Morris;L. Morvaj;P. Moschovakos;B. Moser;M. Mosidze;T. Moskalets;P. Moskvitina;J. Moss;E. J. W. Moyse;S. Muanza;J. Mueller;D. Muenstermann;G. A. Mullier;J. J. Mullin;D. P. Mungo;J. L. Munoz Martinez;F. J. Munoz Sanchez;M. Murin;P. Murin;W. J. Murray;A. Murrone;J. M. Muse;M. Muškinja;C. Mwewa;A. G. Myagkov;A. A. Myers;G. Myers;J. Myers;M. Myska;B. P. Nachman;O. Nackenhorst;A. Nag Nag;K. Nagai;K. Nagano;J. L. Nagle;E. Nagy;A. M. Nairz;Y. Nakahama;K. Nakamura;H. Nanjo;F. Napolitano;R. F. Naranjo Garcia;R. Narayan;I. Naryshkin;M. Naseri;C. Nass;T. Naumann;G. Navarro;J. Navarro-Gonzalez;P. Y. Nechaeva;F. Nechansky;T. J. Neep;A. Negri;M. Negrini;C. Nellist;C. Nelson;K. Nelson;M. E. Nelson;S. Nemecek;M. Nessi;M. S. Neubauer;F. Neuhaus;M. Neumann;R. Newhouse;P. R. Newman;C. W. Ng;Y. S. Ng;Y. W. Y. Ng;B. Ngair;H. D. N. Nguyen;T. Nguyen Manh;R. B. Nickerson;R. Nicolaidou;D. S. Nielsen;J. Nielsen;M. Niemeyer;N. Nikiforou;V. Nikolaenko;I. Nikolic-Audit;K. Nikolopoulos;P. Nilsson;H. R. Nindhito;A. Nisati;N. Nishu;R. Nisius;T. Nitta;T. Nobe;D. L. Noel;Y. Noguchi;I. Nomidis;M. A. Nomura;M. B. Norfolk;R. R. B. Norisam;J. Novak;T. Novak;O. Novgorodova;L. Novotny;R. Novotny;L. Nozka;K. Ntekas;E. Nurse;F. G. Oakham;J. Ocariz;A. Ochi;I. Ochoa;J. P. Ochoa-Ricoux;K. O’Connor;S. Oda;S. Odaka;S. Oerdek;A. Ogrodnik;A. Oh;C. C. Ohm;H. Oide;R. Oishi;M. L. Ojeda;Y. Okazaki;M. W. O’Keefe;Y. Okumura;A. Olariu;L. F. Oleiro Seabra;S. A. Olivares Pino;D. Oliveira Damazio;D. Oliveira Goncalves;J. L. Oliver;M. J. R. Olsson;A. Olszewski;J. Olszowska;Ö. O. Öncel;D. C. O’Neil;A. P. O’neill;A. Onofre;P. U. E. Onyisi;H. Oppen;R. G. Oreamuno Madriz;M. J. Oreglia;G. E. Orellana;D. Orestano;N. Orlando;R. S. Orr;V. O’Shea;R. Ospanov;G. Otero y Garzon;H. Otono;P. S. Ott;G. J. Ottino;M. Ouchrif;J. Ouellette;F. Ould-Saada;A. Ouraou;Q. Ouyang;M. Owen;R. E. Owen;V. E. Ozcan;N. Ozturk;J. Pacalt;H. A. Pacey;K. Pachal;A. Pacheco Pages;C. Padilla Aranda;S. Pagan Griso;G. Palacino;S. Palazzo;S. Palestini;M. Palka;P. Palni;D. K. Panchal;C. E. Pandini;J. G. Panduro Vazquez;P. Pani;G. Panizzo;L. Paolozzi;C. Papadatos;S. Parajuli;A. Paramonov;C. Paraskevopoulos;D. Paredes Hernandez;S. R. Paredes Saenz;B. Parida;T. H. Park;A. J. Parker;M. A. Parker;F. Parodi;E. W. Parrish;J. A. Parsons;U. Parzefall;L. Pascual Dominguez;V. R. Pascuzzi;F. Pasquali;E. Pasqualucci;S. Passaggio;F. Pastore;P. Pasuwan;J. R. Pater;A. Pathak;J. Patton;T. Pauly;J. Pearkes;M. Pedersen;L. Pedraza Diaz;R. Pedro;T. Peiffer;S. V. Peleganchuk;O. Penc;C. Peng;H. Peng;M. Penzin;B. S. Peralva;M. M. Perego;A. P. Pereira Peixoto;L. Pereira Sanchez;D. V. Perepelitsa;E. Perez Codina;M. Perganti;L. Perini;H. Pernegger;S. Perrella;A. Perrevoort;K. Peters;R. F. Y. Peters;B. A. Petersen;T. C. Petersen;E. Petit;V. Petousis;C. Petridou;P. Petroff;F. Petrucci;M. Pettee;N. E. Pettersson;K. Petukhova;A. Peyaud;R. Pezoa;L. Pezzotti;G. Pezzullo;T. Pham;P. W. Phillips;M. W. Phipps;G. Piacquadio;E. Pianori;F. Piazza;A. Picazio;R. Piegaia;D. Pietreanu;J. E. Pilcher;A. D. Pilkington;M. Pinamonti;J. L. Pinfold;C. Pitman Donaldson;D. A. Pizzi;L. Pizzimento;A. Pizzini;M. -A. Pleier;V. Plesanovs;V. Pleskot;E. Plotnikova;P. Podberezko;R. Poettgen;R. Poggi;L. Poggioli;I. Pogrebnyak;D. Pohl;I. Pokharel;G. Polesello;A. Poley;A. Policicchio;R. Polifka;A. Polini;C. S. Pollard;Z. B. Pollock;V. Polychronakos;D. Ponomarenko;L. Pontecorvo;S. Popa;G. A. Popeneciu;L. Portales;D. M. Portillo Quintero;S. Pospisil;P. Postolache;K. Potamianos;I. N. Potrap;C. J. Potter;H. Potti;T. Poulsen;J. Poveda;T. D. Powell;G. Pownall;M. E. Pozo Astigarraga;A. Prades Ibanez;P. Pralavorio;M. M. Prapa;S. Prell;D. Price;M. Primavera;M. A. Principe Martin;M. L. Proffitt;N. Proklova;K. Prokofiev;F. Prokoshin;S. Protopopescu;J. Proudfoot;M. Przybycien;D. Pudzha;P. Puzo;D. Pyatiizbyantseva;J. Qian;Y. Qin;A. Quadt;M. Queitsch-Maitland;G. Rabanal Bolanos;F. Ragusa;G. Rahal;J. A. Raine;S. Rajagopalan;K. Ran;D. F. Rassloff;D. M. Rauch;S. Rave;B. Ravina;I. Ravinovich;M. Raymond;A. L. Read;N. P. Readioff;M. Reale;D. M. Rebuzzi;G. Redlinger;K. Reeves;D. Reikher;A. Reiss;A. Rej;C. Rembser;A. Renardi;M. Renda;M. B. Rendel;A. G. Rennie;S. Resconi;E. D. Resseguie;S. Rettie;B. Reynolds;E. Reynolds;M. Rezaei Estabragh;O. L. Rezanova;P. Reznicek;E. Ricci;R. Richter;S. Richter;E. Richter-Was;M. Ridel;P. Rieck;P. Riedler;O. Rifki;M. Rijssenbeek;A. Rimoldi;M. Rimoldi;L. Rinaldi;T. T. Rinn;M. P. Rinnagel;G. Ripellino;I. Riu;P. Rivadeneira;J. C. Rivera Vergara;F. Rizatdinova;E. Rizvi;C. Rizzi;S. H. Robertson;M. Robin;D. Robinson;C. M. Robles Gajardo;M. Robles Manzano;A. Robson;A. Rocchi;C. Roda;S. Rodriguez Bosca;A. Rodriguez Rodriguez;A. M. Rodríguez Vera;S. Roe;J. Roggel;O. Røhne;R. A. Rojas;B. Roland;C. P. A. Roland;J. Roloff;A. Romaniouk;M. Romano;N. Rompotis;M. Ronzani;L. Roos;S. Rosati;G. Rosin;B. J. Rosser;E. Rossi;E. Rossi;E. Rossi;L. P. Rossi;L. Rossini;R. Rosten;M. Rotaru;B. Rottler;D. Rousseau;D. Rousso;G. Rovelli;A. Roy;A. Rozanov;Y. Rozen;X. Ruan;A. J. Ruby;T. A. Ruggeri;F. Rühr;A. Ruiz-Martinez;A. Rummler;Z. Rurikova;N. A. Rusakovich;H. L. Russell;L. Rustige;J. P. Rutherfoord;E. M. Rüttinger;M. Rybar;E. B. Rye;A. Ryzhov;J. A. Sabater Iglesias;P. Sabatini;L. Sabetta;H. F-W. Sadrozinski;R. Sadykov;F. Safai Tehrani;B. Safarzadeh Samani;M. Safdari;P. Saha;S. Saha;M. Sahinsoy;A. Sahu;M. Saimpert;M. Saito;T. Saito;D. Salamani;G. Salamanna;A. Salnikov;J. Salt;A. Salvador Salas;D. Salvatore;F. Salvatore;A. Salzburger;D. Sammel;D. Sampsonidis;D. Sampsonidou;J. Sánchez;A. Sanchez Pineda;V. Sanchez Sebastian;H. Sandaker;C. O. Sander;I. G. Sanderswood;J. A. Sandesara;M. Sandhoff;C. Sandoval;D. P. C. Sankey;M. Sannino;Y. Sano;A. Sansoni;C. Santoni;H. Santos;S. N. Santpur;A. Santra;K. A. Saoucha;A. Sapronov;J. G. Saraiva;J. Sardain;O. Sasaki;K. Sato;C. Sauer;F. Sauerburger;E. Sauvan;P. Savard;R. Sawada;C. Sawyer;L. Sawyer;I. Sayago Galvan;C. Sbarra;A. Sbrizzi;T. Scanlon;J. Schaarschmidt;P. Schacht;D. Schaefer;L. Schaefer;U. Schäfer;A. C. Schaffer;D. 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2021-01-01
Abstract
The production of dark matter in association with Higgs bosons is predicted in several extensions of the Standard Model. An exploration of such scenarios is presented, considering final states with missing transverse momentum and b-tagged jets consistent with a Higgs boson. The analysis uses proton-proton collision data at a centre-of-mass energy of 13 TeV recorded by the ATLAS experiment at the LHC during Run 2, amounting to an integrated luminosity of 139 fb−1. The analysis, when compared with previous searches, benefits from a larger dataset, but also has further improvements providing sensitivity to a wider spectrum of signal scenarios. These improvements include both an optimised event selection and advances in the object identification, such as the use of the likelihood-based significance of the missing transverse momentum and variable-radius track-jets. No significant deviation from Standard Model expectations is observed. Limits are set, at 95% confidence level, in two benchmark models with two Higgs doublets extended by either a heavy vector boson Z′ or a pseudoscalar singlet a and which both provide a dark matter candidate χ. In the case of the two-Higgs-doublet model with an additional vector boson Z′, the observed limits extend up to a Z′ mass of 3 TeV for a mass of 100 GeV for the dark matter candidate. The two-Higgs-doublet model with a dark matter particle mass of 10 GeV and an additional pseudoscalar a is excluded for masses of the a up to 520 GeV and 240 GeV for tan β = 1 and tan β = 10 respectively. Limits on the visible cross-sections are set and range from to 0.05 fb to 3.26 fb, depending on the missing transverse momentum and b-quark jet multiplicity requirements. [Figure not available: see fulltext.]
Aad, G., Abbott, B., Abbott, D.C., Abed Abud, A., Abeling, K., Abhayasinghe, D.K., et al. (2021). Search for dark matter produced in association with a Standard Model Higgs boson decaying into b-quarks using the full Run 2 dataset from the ATLAS detector. JOURNAL OF HIGH ENERGY PHYSICS, 2021(11) [10.1007/JHEP11(2021)209].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/417471
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