Attenzione: i dati modificati non sono ancora stati salvati. Per confermare inserimenti o cancellazioni di voci è necessario confermare con il tasto SALVA/INSERISCI in fondo alla pagina
IRIS
Two related searches for phenomena beyond the standard model (BSM) are performed using events with hadronic jets and significant transverse momentum imbalance. The results are based on a sample of proton–proton collisions at a center-of-mass energy of $$13\,\text {Te}\text {V} $$, collected by the CMS experiment at the LHC in 2016–2018 and corresponding to an integrated luminosity of 137$$\,\text {fb}^{-1}$$. The first search is inclusive, based on signal regions defined by the hadronic energy in the event, the jet multiplicity, the number of jets identified as originating from bottom quarks, and the value of the kinematic variable $$M_{\mathrm {T2}}$$ for events with at least two jets. For events with exactly one jet, the transverse momentum of the jet is used instead. The second search looks in addition for disappearing tracks produced by BSM long-lived charged particles that decay within the volume of the tracking detector. No excess event yield is observed above the predicted standard model background. This is used to constrain a range of BSM models that predict the following: the pair production of gluinos and squarks in the context of supersymmetry models conserving R-parity, with or without intermediate long-lived charginos produced in the decay chain; the resonant production of a colored scalar state decaying to a massive Dirac fermion and a quark; or the pair production of scalar and vector leptoquarks each decaying to a neutrino and a top, bottom, or light-flavor quark. In most of the cases, the results obtained are the most stringent constraints to date.
Searches for physics beyond the standard model with the $$M_{\mathrm {T2}}$$ variable in hadronic final states with and without disappearing tracks in proton–proton collisions at $$\sqrt{s}=13\,\text {Te}\text {V} $$
A. M. Sirunyan;A. Tumasyan;W. Adam;F. Ambrogi;T. Bergauer;J. Brandstetter;M. Dragicevic;J. Erö;A. Escalante Del Valle;M. Flechl;R. Frühwirth;M. Jeitler;N. Krammer;I. Krätschmer;D. Liko;T. Madlener;I. Mikulec;N. Rad;J. Schieck;R. Schöfbeck;M. Spanring;D. Spitzbart;W. Waltenberger;C. -E. Wulz;M. Zarucki;V. Drugakov;V. Mossolov;J. Suarez Gonzalez;M. R. Darwish;E. A. De Wolf;D. Di Croce;X. Janssen;A. Lelek;M. Pieters;H. Rejeb Sfar;H. Van Haevermaet;P. Van Mechelen;S. Van Putte;N. Van Remortel;F. Blekman;E. S. Bols;S. S. Chhibra;J. D’Hondt;J. De Clercq;D. Lontkovskyi;S. Lowette;I. Marchesini;S. Moortgat;Q. Python;K. Skovpen;S. Tavernier;W. Van Doninck;P. Van Mulders;D. Beghin;B. Bilin;H. Brun;B. Clerbaux;G. De Lentdecker;H. Delannoy;B. Dorney;L. Favart;A. Grebenyuk;A. K. Kalsi;A. Popov;N. Postiau;E. Starling;L. Thomas;C. Vander Velde;P. Vanlaer;D. Vannerom;T. Cornelis;D. Dobur;I. Khvastunov;M. Niedziela;C. Roskas;D. Trocino;M. Tytgat;W. Verbeke;B. Vermassen;M. Vit;O. Bondu;G. Bruno;C. Caputo;P. David;C. Delaere;M. Delcourt;A. Giammanco;V. Lemaitre;J. Prisciandaro;A. Saggio;M. Vidal Marono;P. Vischia;J. Zobec;F. L. Alves;G. A. Alves;G. Correia Silva;C. Hensel;A. Moraes;P. Rebello Teles;E. Belchior Batista Das Chagas;W. Carvalho;J. Chinellato;E. Coelho;E. M. Da Costa;G. G. Da Silveira;D. De Jesus Damiao;C. De Oliveira Martins;S. Fonseca De Souza;L. M. Huertas Guativa;H. Malbouisson;J. Martins;D. Matos Figueiredo;M. Medina Jaime;M. Melo De Almeida;C. Mora Herrera;L. Mundim;H. Nogima;W. L. Prado Da Silva;L. J. Sanchez Rosas;A. Santoro;A. Sznajder;M. Thiel;E. J. Tonelli Manganote;F. Torres Da Silva De Araujo;A. Vilela Pereira;C. A. Bernardes;L. Calligaris;T. R. Fernandez Perez Tomei;E. M. Gregores;D. S. Lemos;P. G. Mercadante;S. F. Novaes;SandraS. Padula;A. Aleksandrov;G. Antchev;R. Hadjiiska;P. Iaydjiev;M. Misheva;M. Rodozov;M. Shopova;G. Sultanov;M. Bonchev;A. Dimitrov;T. Ivanov;L. Litov;B. Pavlov;P. Petkov;W. Fang;X. Gao;L. Yuan;G. M. Chen;H. S. Chen;M. Chen;C. H. Jiang;D. Leggat;H. Liao;Z. Liu;A. Spiezia;J. Tao;E. Yazgan;H. Zhang;S. Zhang;J. Zhao;A. Agapitos;Y. Ban;G. Chen;A. Levin;J. Li;L. Li;Q. Li;Y. Mao;S. J. Qian;D. Wang;Q. Wang;M. Ahmad;Z. Hu;Y. Wang;M. Xiao;C. Avila;A. Cabrera;C. Florez;C. F. González Hernández;M. A. Segura Delgado;J. Mejia Guisao;J. D. Ruiz Alvarez;C. A. Salazar González;N. Vanegas Arbelaez;D. Giljanović;N. Godinovic;D. Lelas;I. Puljak;T. Sculac;Z. Antunovic;M. Kovac;V. Brigljevic;D. Ferencek;K. Kadija;B. Mesic;M. Roguljic;A. Starodumov;T. Susa;M. W. Ather;A. Attikis;E. Erodotou;A. Ioannou;M. Kolosova;S. Konstantinou;G. Mavromanolakis;J. Mousa;C. Nicolaou;F. Ptochos;P. A. Razis;H. Rykaczewski;D. Tsiakkouri;M. Finger;M. Finger Jr.;A. Kveton;J. Tomsa;E. Ayala;E. Carrera Jarrin;Y. Assran;S. Elgammal;S. Bhowmik;A. Carvalho Antunes De Oliveira;R. K. Dewanjee;K. Ehataht;M. Kadastik;M. Raidal;C. Veelken;P. Eerola;L. Forthomme;H. Kirschenmann;K. Osterberg;M. Voutilainen;F. Garcia;J. Havukainen;J. K. Heikkilä;V. Karimäki;M. S. Kim;R. Kinnunen;T. Lampén;K. Lassila-Perini;S. Laurila;S. Lehti;T. Lindén;P. Luukka;T. Mäenpää;H. Siikonen;E. Tuominen;J. Tuominiemi;T. Tuuva;M. Besancon;F. Couderc;M. Dejardin;D. Denegri;B. Fabbro;J. L. Faure;F. Ferri;S. Ganjour;A. Givernaud;P. Gras;G. Hamel de Monchenault;P. Jarry;C. Leloup;E. Locci;J. Malcles;J. Rander;A. Rosowsky;M. Ö. Sahin;A. Savoy-Navarro;M. Titov;S. Ahuja;C. Amendola;F. Beaudette;P. Busson;C. Charlot;B. Diab;G. Falmagne;R. Granier de Cassagnac;I. Kucher;A. Lobanov;C. Martin Perez;M. Nguyen;C. Ochando;P. Paganini;J. Rembser;R. Salerno;J. B. Sauvan;Y. Sirois;A. Zabi;A. Zghiche;J. -L. Agram;J. Andrea;D. Bloch;G. Bourgatte;J. -M. Brom;E. C. Chabert;C. Collard;E. Conte;J. -C. Fontaine;D. Gelé;U. Goerlach;M. Jansová;A. -C. Le Bihan;N. Tonon;P. Van Hove;S. Gadrat;S. Beauceron;C. Bernet;G. Boudoul;C. Camen;A. Carle;N. Chanon;R. Chierici;D. Contardo;P. Depasse;H. El Mamouni;J. Fay;S. Gascon;M. Gouzevitch;B. Ille;Sa. Jain;F. Lagarde;I. B. Laktineh;H. Lattaud;A. Lesauvage;M. Lethuillier;L. Mirabito;S. Perries;V. Sordini;L. Torterotot;G. Touquet;M. Vander Donckt;S. Viret;A. Khvedelidze;Z. Tsamalaidze;C. Autermann;L. Feld;M. K. Kiesel;K. Klein;M. Lipinski;D. Meuser;A. Pauls;M. Preuten;M. P. Rauch;J. Schulz;M. Teroerde;B. Wittmer;M. Erdmann;B. Fischer;S. Ghosh;T. Hebbeker;K. Hoepfner;H. Keller;L. Mastrolorenzo;M. Merschmeyer;A. Meyer;P. Millet;G. Mocellin;S. Mondal;S. Mukherjee;D. Noll;A. Novak;T. Pook;A. Pozdnyakov;T. Quast;M. Radziej;Y. Rath;H. Reithler;J. Roemer;A. Schmidt;S. C. Schuler;A. Sharma;S. Wiedenbeck;S. Zaleski;G. Flügge;W. Haj Ahmad;O. Hlushchenko;T. Kress;T. Müller;A. Nowack;C. Pistone;O. Pooth;D. Roy;H. Sert;A. Stahl;M. Aldaya Martin;P. Asmuss;I. Babounikau;H. Bakhshiansohi;K. Beernaert;O. Behnke;A. Bermúdez Martínez;D. Bertsche;A. A. Bin Anuar;K. Borras;V. Botta;A. Campbell;A. Cardini;P. Connor;S. Consuegra Rodríguez;C. Contreras-Campana;V. Danilov;A. De Wit;M. M. Defranchis;C. Diez Pardos;D. Domínguez Damiani;G. Eckerlin;D. Eckstein;T. Eichhorn;A. Elwood;E. Eren;E. Gallo;A. Geiser;A. Grohsjean;M. Guthoff;M. Haranko;A. Harb;A. Jafari;N. Z. Jomhari;H. Jung;A. Kasem;M. Kasemann;H. Kaveh;J. Keaveney;C. Kleinwort;J. Knolle;D. Krücker;W. Lange;T. Lenz;J. Lidrych;K. Lipka;W. Lohmann;R. Mankel;I. -A. Melzer-Pellmann;A. B. Meyer;M. Meyer;M. Missiroli;G. Mittag;J. Mnich;A. Mussgiller;V. Myronenko;D. Pérez Adán;S. K. Pflitsch;D. Pitzl;A. Raspereza;A. Saibel;M. Savitskyi;V. Scheurer;P. Schütze;C. Schwanenberger;R. Shevchenko;A. Singh;H. Tholen;O. Turkot;A. Vagnerini;M. Van De Klundert;R. Walsh;Y. Wen;K. Wichmann;C. Wissing;O. Zenaiev;R. Zlebcik;R. Aggleton;S. Bein;L. Benato;A. Benecke;V. Blobel;T. Dreyer;A. Ebrahimi;F. Feindt;A. Fröhlich;C. Garbers;E. Garutti;D. Gonzalez;P. Gunnellini;J. Haller;A. Hinzmann;A. Karavdina;G. Kasieczka;R. Klanner;R. Kogler;N. Kovalchuk;S. Kurz;V. Kutzner;J. Lange;T. Lange;A. Malara;J. Multhaup;C. E. N. Niemeyer;A. Perieanu;A. Reimers;O. Rieger;C. Scharf;P. Schleper;S. Schumann;J. Schwandt;J. Sonneveld;H. Stadie;G. Steinbrück;F. M. Stober;B. Vormwald;I. Zoi;M. Akbiyik;C. Barth;M. Baselga;S. Baur;T. Berger;E. Butz;R. Caspart;T. Chwalek;W. De Boer;A. Dierlamm;K. El Morabit;N. Faltermann;M. Giffels;P. Goldenzweig;A. Gottmann;M. A. Harrendorf;F. Hartmann;U. Husemann;I. Katkov;S. Kudella;S. Mitra;M. U. Mozer;D. Müller;Th. Müller;M. Musich;A. Nürnberg;G. Quast;K. Rabbertz;M. Schröder;I. Shvetsov;H. J. Simonis;R. Ulrich;M. Wassmer;M. Weber;C. Wöhrmann;R. Wolf;G. Anagnostou;P. Asenov;G. Daskalakis;T. Geralis;A. Kyriakis;D. Loukas;G. Paspalaki;M. Diamantopoulou;G. Karathanasis;P. Kontaxakis;A. Manousakis-katsikakis;A. Panagiotou;I. Papavergou;N. Saoulidou;A. Stakia;K. Theofilatos;K. Vellidis;E. Vourliotis;G. Bakas;K. Kousouris;I. Papakrivopoulos;G. Tsipolitis;I. Evangelou;C. Foudas;P. Gianneios;P. Katsoulis;P. Kokkas;S. Mallios;K. Manitara;N. Manthos;I. Papadopoulos;J. Strologas;F. A. Triantis;D. Tsitsonis;M. Bartók;R. Chudasama;M. Csanad;P. Major;K. Mandal;A. Mehta;M. I. Nagy;G. Pasztor;O. Surányi;G. I. Veres;G. Bencze;C. Hajdu;D. Horvath;F. Sikler;T. Vámi;V. Veszpremi;G. Vesztergombi;N. Beni;S. Czellar;J. Karancsi;A. Makovec;J. Molnar;Z. Szillasi;P. Raics;D. Teyssier;Z. L. Trocsanyi;B. Ujvari;T. Csorgo;W. J. Metzger;F. Nemes;T. Novak;S. Choudhury;J. R. Komaragiri;P. C. Tiwari;S. Bahinipati;C. Kar;G. Kole;P. Mal;V. K. Muraleedharan Nair Bindhu;A. Nayak;D. K. Sahoo;S. K. Swain;S. Bansal;S. B. Beri;V. Bhatnagar;S. Chauhan;R. Chawla;N. Dhingra;R. Gupta;A. Kaur;M. Kaur;S. Kaur;P. Kumari;M. Lohan;M. Meena;K. Sandeep;S. Sharma;J. B. Singh;A. K. Virdi;G. Walia;A. Bhardwaj;B. C. Choudhary;R. B. Garg;M. Gola;S. Keshri;Ashok Kumar;M. Naimuddin;P. Priyanka;K. Ranjan;Aashaq Shah;R. Sharma;R. Bhardwaj;M. Bharti;R. Bhattacharya;S. Bhattacharya;U. Bhawandeep;D. Bhowmik;S. Dutta;S. Ghosh;M. Maity;K. Mondal;S. Nandan;A. Purohit;P. K. Rout;G. Saha;S. Sarkar;T. Sarkar;M. Sharan;B. Singh;S. Thakur;P. K. Behera;P. Kalbhor;A. Muhammad;P. R. Pujahari;A. Sharma;A. K. Sikdar;D. Dutta;V. Jha;V. Kumar;D. K. Mishra;P. K. Netrakanti;L. M. Pant;P. Shukla;T. Aziz;M. A. Bhat;S. Dugad;G. B. Mohanty;N. Sur;RavindraKumar Verma;S. Banerjee;S. Bhattacharya;S. Chatterjee;P. Das;M. Guchait;S. Karmakar;S. Kumar;G. Majumder;K. Mazumdar;N. Sahoo;S. Sawant;S. Dube;V. Hegde;B. Kansal;A. Kapoor;K. Kothekar;S. Pandey;A. Rane;A. Rastogi;S. Sharma;S. Chenarani;E. Eskandari Tadavani;S. M. Etesami;M. Khakzad;M. Mohammadi Najafabadi;M. Naseri;F. Rezaei Hosseinabadi;M. Felcini;M. Grunewald;M. Abbrescia;R. Aly;C. Calabria;A. Colaleo;D. Creanza;L. Cristella;N. De Filippis;M. De Palma;A. Di Florio;W. Elmetenawee;L. Fiore;A. Gelmi;G. Iaselli;M. Ince;S. Lezki;G. Maggi;M. Maggi;G. Miniello;S. My;S. Nuzzo;A. Pompili;G. Pugliese;R. Radogna;A. Ranieri;G. Selvaggi;L. Silvestris;F. M. Simone;R. Venditti;P. Verwilligen;G. Abbiendi;C. Battilana;D. Bonacorsi;L. Borgonovi;S. Braibant-Giacomelli;R. Campanini;P. Capiluppi;A. Castro;F. R. Cavallo;C. Ciocca;G. Codispoti;M. Cuffiani;G. M. Dallavalle;F. Fabbri;A. Fanfani;E. Fontanesi;P. Giacomelli;C. Grandi;L. Guiducci;F. Iemmi;S. Lo Meo;S. Marcellini;G. Masetti;F. L. Navarria;A. Perrotta;F. Primavera;A. M. Rossi;T. Rovelli;G. P. Siroli;N. Tosi;S. Albergo;S. Costa;A. Di Mattia;R. Potenza;A. Tricomi;C. Tuve;G. Barbagli;A. Cassese;R. Ceccarelli;V. Ciulli;C. Civinini;R. D’Alessandro;E. Focardi;G. Latino;P. Lenzi;M. Meschini;S. Paoletti;G. Sguazzoni;L. Viliani;L. Benussi;S. Bianco;D. Piccolo;M. Bozzo;F. Ferro;R. Mulargia;E. Robutti;S. Tosi;A. Benaglia;A. Beschi;F. Brivio;V. Ciriolo;S. Di Guida;M. E. Dinardo;P. Dini;S. Gennai;A. Ghezzi;P. Govoni;L. Guzzi;M. Malberti;S. Malvezzi;D. Menasce;F. Monti;L. Moroni;M. Paganoni;D. Pedrini;S. Ragazzi;T. Tabarelli de Fatis;D. Zuolo;S. Buontempo;N. Cavallo;A. De Iorio;A. Di Crescenzo;F. Fabozzi;F. Fienga;G. Galati;A. O. M. Iorio;L. Lista;S. Meola;P. Paolucci;B. Rossi;C. Sciacca;E. Voevodina;P. Azzi;N. Bacchetta;D. Bisello;A. Boletti;A. Bragagnolo;R. Carlin;P. Checchia;P. De Castro Manzano;T. Dorigo;U. Dosselli;F. Gasparini;U. Gasparini;A. Gozzelino;S. Y. Hoh;P. Lujan;M. Margoni;A. T. Meneguzzo;J. Pazzini;M. Presilla;P. Ronchese;R. Rossin;F. Simonetto;A. Tiko;M. Tosi;M. Zanetti;P. Zotto;G. Zumerle;A. Braghieri;D. Fiorina;P. Montagna;S. P. Ratti;V. Re;M. Ressegotti;C. Riccardi;P. Salvini;I. Vai;P. Vitulo;M. Biasini;G. M. Bilei;D. Ciangottini;L. Fanò;P. Lariccia;R. Leonardi;E. Manoni;G. Mantovani;V. Mariani;M. Menichelli;A. Rossi;A. Santocchia;D. Spiga;K. Androsov;P. Azzurri;G. Bagliesi;V. Bertacchi;L. Bianchini;T. Boccali;R. Castaldi;M. A. Ciocci;R. Dell’Orso;G. Fedi;L. Giannini;A. Giassi;M. T. Grippo;F. Ligabue;E. Manca;G. Mandorli;A. Messineo;F. Palla;A. Rizzi;G. Rolandi;S. Roy Chowdhury;A. Scribano;P. Spagnolo;R. Tenchini;G. Tonelli;N. Turini;A. Venturi;P. G. Verdini;F. Cavallari;M. Cipriani;D. Del Re;E. Di Marco;M. Diemoz;E. Longo;P. Meridiani;G. Organtini;F. Pandolfi;R. Paramatti;C. Quaranta;S. Rahatlou;C. Rovelli;F. Santanastasio;L. Soffi;N. Amapane;R. Arcidiacono;S. Argiro;M. Arneodo;N. Bartosik;R. Bellan;A. Bellora;C. Biino;A. Cappati;N. Cartiglia;S. Cometti;M. Costa;R. Covarelli;N. Demaria;B. Kiani;C. Mariotti;S. Maselli;E. Migliore;V. Monaco;E. Monteil;M. Monteno;M. M. Obertino;G. Ortona;L. Pacher;N. Pastrone;M. Pelliccioni;G. L. Pinna Angioni;A. Romero;M. Ruspa;R. Salvatico;V. Sola;A. Solano;D. Soldi;A. Staiano;S. Belforte;V. Candelise;M. Casarsa;F. Cossutti;A. Da Rold;G. Della Ricca;F. Vazzoler;A. Zanetti;B. Kim;D. H. Kim;G. N. Kim;J. Lee;S. W. Lee;C. S. Moon;Y. D. Oh;S. I. Pak;S. Sekmen;D. C. Son;Y. C. Yang;H. Kim;D. H. Moon;G. Oh;B. Francois;T. J. Kim;J. Park;S. Cho;S. Choi;Y. Go;S. Ha;B. Hong;K. Lee;K. S. Lee;J. Lim;J. Park;S. K. Park;Y. Roh;J. Yoo;J. Goh;H. S. Kim;J. Almond;J. H. Bhyun;J. Choi;S. Jeon;J. Kim;J. S. Kim;H. Lee;K. Lee;S. Lee;K. Nam;M. Oh;S. B. Oh;B. C. Radburn-Smith;U. K. Yang;H. D. Yoo;I. Yoon;G. B. Yu;D. Jeon;H. Kim;J. H. Kim;J. S. H. Lee;I. C. Park;I. J Watson;Y. Choi;C. Hwang;Y. Jeong;J. Lee;Y. Lee;I. Yu;V. Veckalns;V. Dudenas;A. Juodagalvis;A. Rinkevicius;G. Tamulaitis;J. Vaitkus;Z. A. Ibrahim;F. Mohamad Idris;W. A. T. Wan Abdullah;M. N. Yusli;Z. Zolkapli;J. F. Benitez;A. Castaneda Hernandez;J. A. Murillo Quijada;L. Valencia Palomo;H. Castilla-Valdez;E. De La Cruz-Burelo;I. Heredia-De La Cruz;R. Lopez-Fernandez;A. Sanchez-Hernandez;S. Carrillo Moreno;C. Oropeza Barrera;M. Ramirez-Garcia;F. Vazquez Valencia;J. Eysermans;I. Pedraza;H. A. Salazar Ibarguen;C. Uribe Estrada;A. Morelos Pineda;J. Mijuskovic;N. Raicevic;D. Krofcheck;S. Bheesette;P. H. Butler;A. Ahmad;M. Ahmad;Q. Hassan;H. R. Hoorani;W. A. Khan;M. A. Shah;M. Shoaib;M. Waqas;V. Avati;L. Grzanka;M. Malawski;H. Bialkowska;M. Bluj;B. Boimska;M. Górski;M. Kazana;M. Szleper;P. Zalewski;K. Bunkowski;A. Byszuk;K. Doroba;A. Kalinowski;M. Konecki;J. Krolikowski;M. Misiura;M. Olszewski;M. Walczak;M. Araujo;P. Bargassa;D. Bastos;A. Di Francesco;P. Faccioli;B. Galinhas;M. Gallinaro;J. Hollar;N. Leonardo;T. Niknejad;J. Seixas;K. Shchelina;G. Strong;O. Toldaiev;J. Varela;S. Afanasiev;P. Bunin;M. Gavrilenko;I. Golutvin;I. Gorbunov;A. Kamenev;V. Karjavine;A. Lanev;A. Malakhov;V. Matveev;P. Moisenz;V. Palichik;V. Perelygin;M. Savina;S. Shmatov;S. Shulha;N. Skatchkov;V. Smirnov;N. Voytishin;A. Zarubin;L. Chtchipounov;V. Golovtcov;Y. Ivanov;V. Kim;E. Kuznetsova;P. Levchenko;V. Murzin;V. Oreshkin;I. Smirnov;D. Sosnov;V. Sulimov;L. Uvarov;A. Vorobyev;Yu. Andreev;A. Dermenev;S. Gninenko;N. Golubev;A. Karneyeu;M. Kirsanov;N. Krasnikov;A. Pashenkov;D. Tlisov;A. Toropin;V. Epshteyn;V. Gavrilov;N. Lychkovskaya;A. Nikitenko;V. Popov;I. Pozdnyakov;G. Safronov;A. Spiridonov;A. Stepennov;M. Toms;E. Vlasov;A. Zhokin;T. Aushev;O. Bychkova;R. Chistov;M. Danilov;S. Polikarpov;E. Tarkovskii;V. Andreev;M. Azarkin;I. Dremin;M. Kirakosyan;A. Terkulov;A. Belyaev;E. Boos;V. Bunichev;M. Dubinin;L. Dudko;A. Ershov;A. Gribushin;V. Klyukhin;O. Kodolova;I. Lokhtin;S. Obraztsov;S. Petrushanko;V. Savrin;A. Barnyakov;V. Blinov;T. Dimova;L. Kardapoltsev;Y. Skovpen;I. Azhgirey;I. Bayshev;S. Bitioukov;V. Kachanov;D. Konstantinov;P. Mandrik;V. Petrov;R. Ryutin;S. Slabospitskii;A. Sobol;S. Troshin;N. Tyurin;A. Uzunian;A. Volkov;A. Babaev;A. Iuzhakov;V. Okhotnikov;V. Borchsh;V. Ivanchenko;E. Tcherniaev;P. Adzic;P. Cirkovic;M. Dordevic;P. Milenovic;J. Milosevic;M. Stojanovic;M. Aguilar-Benitez;J. Alcaraz Maestre;A. lvarez Fernández;I. Bachiller;M. Barrio Luna;J. A. Brochero Cifuentes;C. A. Carrillo Montoya;M. Cepeda;M. Cerrada;N. Colino;B. De La Cruz;A. Delgado Peris;C. Fernandez Bedoya;J. P. Fernández Ramos;J. Flix;M. C. Fouz;O. Gonzalez Lopez;S. Goy Lopez;J. M. Hernandez;M. I. Josa;D. Moran;Navarro Tobar;A. Pérez-Calero Yzquierdo;J. Puerta Pelayo;I. Redondo;L. Romero;S. Sánchez Navas;M. S. Soares;A. Triossi;C. Willmott;C. Albajar;J. F. de Trocóniz;R. Reyes-Almanza;B. Alvarez Gonzalez;J. Cuevas;C. Erice;J. Fernandez Menendez;S. Folgueras;I. Gonzalez Caballero;J. R. González Fernández;E. Palencia Cortezon;V. Rodríguez Bouza;S. Sanchez Cruz;I. J. Cabrillo;A. Calderon;B. Chazin Quero;J. Duarte Campderros;M. Fernandez;P. J. Fernández Manteca;A. García Alonso;G. Gomez;C. Martinez Rivero;P. Martinez Ruiz del Arbol;F. Matorras;J. Piedra Gomez;C. Prieels;T. Rodrigo;A. Ruiz-Jimeno;L. Russo;L. Scodellaro;I. Vila;J. M. Vizan Garcia;K. Malagalage;W. G. D. Dharmaratna;N. Wickramage;D. Abbaneo;B. Akgun;E. Auffray;G. Auzinger;J. Baechler;P. Baillon;A. H. Ball;D. Barney;J. Bendavid;M. Bianco;A. Bocci;P. Bortignon;E. Bossini;C. Botta;E. Brondolin;T. Camporesi;A. Caratelli;G. Cerminara;E. Chapon;G. Cucciati;D. d’Enterria;A. Dabrowski;N. Daci;V. Daponte;A. David;O. Davignon;A. De Roeck;M. Deile;M. Dobson;M. Dünser;N. Dupont;A. Elliott-Peisert;N. Emriskova;F. Fallavollita;D. Fasanella;S. Fiorendi;G. Franzoni;J. Fulcher;W. Funk;S. Giani;D. Gigi;A. Gilbert;K. Gill;F. Glege;L. Gouskos;M. Gruchala;M. Guilbaud;D. Gulhan;J. Hegeman;C. Heidegger;Y. Iiyama;V. Innocente;T. James;P. Janot;O. Karacheban;J. Kaspar;J. Kieseler;M. Krammer;N. Kratochwil;C. Lange;P. Lecoq;C. Lourenço;L. Malgeri;M. Mannelli;A. Massironi;F. Meijers;J. A. Merlin;S. Mersi;E. Meschi;F. Moortgat;M. Mulders;J. Ngadiuba;J. Niedziela;S. Nourbakhsh;S. Orfanelli;L. Orsini;F. Pantaleo;L. Pape;E. Perez;M. Peruzzi;A. Petrilli;G. Petrucciani;A. Pfeiffer;M. Pierini;F. M. Pitters;D. Rabady;A. Racz;M. Rieger;M. Rovere;H. Sakulin;C. Schäfer;C. Schwick;M. Selvaggi;A. Sharma;P. Silva;W. Snoeys;P. Sphicas;J. Steggemann;S. Summers;V. R. Tavolaro;D. Treille;A. Tsirou;G. P. Van Onsem;A. Vartak;M. Verzetti;W. D. Zeuner;L. Caminada;K. Deiters;W. Erdmann;R. Horisberger;Q. Ingram;H. C. Kaestli;D. Kotlinski;U. Langenegger;T. Rohe;S. A. Wiederkehr;M. Backhaus;P. Berger;N. Chernyavskaya;G. Dissertori;M. Dittmar;M. Donegà;C. Dorfer;T. A. Gómez Espinosa;C. Grab;D. Hits;T. Klijnsma;W. Lustermann;A. -M. Lyon;R. A. Manzoni;M. T. Meinhard;F. Micheli;P. Musella;F. Nessi-Tedaldi;F. Pauss;G. Perrin;L. Perrozzi;S. Pigazzini;M. G. Ratti;M. Reichmann;C. Reissel;T. Reitenspiess;D. Ruini;D. A. Sanz Becerra;M. Schönenberger;L. Shchutska;M. L. Vesterbacka Olsson;R. Wallny;D. H. Zhu;T. K. Aarrestad;C. Amsler;D. Brzhechko;M. F. Canelli;A. De Cosa;R. Del Burgo;S. Donato;B. Kilminster;S. Leontsinis;V. M. Mikuni;I. Neutelings;G. Rauco;P. Robmann;K. Schweiger;C. Seitz;Y. Takahashi;S. Wertz;A. Zucchetta;T. H. Doan;C. M. Kuo;W. Lin;A. Roy;S. S. Yu;P. Chang;Y. Chao;K. F. Chen;P. H. Chen;W. -S. Hou;Y. y. Li;R. -S. Lu;E. Paganis;A. Psallidas;A. Steen;B. Asavapibhop;C. Asawatangtrakuldee;N. Srimanobhas;N. Suwonjandee;A. Bat;F. Boran;A. Celik;S. Cerci;S. Damarseckin;Z. S. Demiroglu;F. Dolek;C. Dozen;I. Dumanoglu;G. Gokbulut;EmineGurpinar Guler;Y. Guler;I. Hos;C. Isik;E. E. Kangal;O. Kara;A. Kayis Topaksu;U. Kiminsu;G. Onengut;K. Ozdemir;S. Ozturk;A. E. Simsek;D. Sunar Cerci;U. G. Tok;S. Turkcapar;I. S. Zorbakir;C. Zorbilmez;B. Isildak;G. Karapinar;M. Yalvac;I. O. Atakisi;E. Gülmez;M. Kaya;O. Kaya;Ö. Özçelik;S. Tekten;E. A. Yetkin;A. Cakir;K. Cankocak;Y. Komurcu;S. Sen;B. Kaynak;S. Ozkorucuklu;B. Grynyov;L. Levchuk;E. Bhal;S. Bologna;J. J. Brooke;D. Burns;E. Clement;D. Cussans;H. Flacher;J. Goldstein;G. P. Heath;H. F. Heath;L. Kreczko;B. Krikler;S. Paramesvaran;B. Penning;T. Sakuma;S. Seif El Nasr-Storey;V. J. Smith;J. Taylor;A. Titterton;K. W. Bell;A. Belyaev;C. Brew;R. M. Brown;D. J. A. Cockerill;J. A. Coughlan;K. Harder;S. Harper;J. Linacre;K. Manolopoulos;D. M. Newbold;E. Olaiya;D. Petyt;T. Reis;T. Schuh;C. H. Shepherd-Themistocleous;A. Thea;I. R. Tomalin;T. Williams;W. J. Womersley;R. Bainbridge;P. Bloch;J. Borg;S. Breeze;O. Buchmuller;A. Bundock;GurpreetSingh CHAHAL;D. Colling;P. Dauncey;G. Davies;M. Della Negra;R. Di Maria;P. Everaerts;G. Hall;G. Iles;M. Komm;C. Laner;L. Lyons;A. -M. Magnan;S. Malik;A. Martelli;V. Milosevic;A. Morton;J. Nash;V. Palladino;M. Pesaresi;D. M. Raymond;A. Richards;A. Rose;E. Scott;C. Seez;A. Shtipliyski;M. Stoye;T. Strebler;A. Tapper;K. Uchida;T. Virdee;N. Wardle;D. Winterbottom;J. Wright;A. G. Zecchinelli;S. C. Zenz;J. E. Cole;P. R. Hobson;A. Khan;P. Kyberd;C. K. Mackay;I. D. Reid;L. Teodorescu;S. Zahid;K. Call;B. Caraway;J. Dittmann;K. Hatakeyama;C. Madrid;B. McMaster;N. Pastika;C. Smith;R. Bartek;A. Dominguez;R. Uniyal;A. M. Vargas Hernandez;A. Buccilli;S. I. Cooper;C. Henderson;P. Rumerio;C. West;A. Albert;D. Arcaro;Z. Demiragli;D. Gastler;C. Richardson;J. Rohlf;D. Sperka;I. Suarez;L. Sulak;D. Zou;G. Benelli;B. Burkle;X. Coubez;D. Cutts;Y. t. Duh;M. Hadley;U. Heintz;J. M. Hogan;K. H. M. Kwok;E. Laird;G. Landsberg;K. T. Lau;J. Lee;Z. Mao;M. Narain;S. Sagir;R. Syarif;E. Usai;D. Yu;W. Zhang;R. Band;C. Brainerd;R. Breedon;M. Calderon De La Barca Sanchez;M. Chertok;J. Conway;R. Conway;P. T. Cox;R. Erbacher;C. Flores;G. Funk;F. Jensen;W. Ko;O. Kukral;R. Lander;M. Mulhearn;D. Pellett;J. Pilot;M. Shi;D. Taylor;K. Tos;M. Tripathi;Z. Wang;F. Zhang;M. Bachtis;C. Bravo;R. Cousins;A. Dasgupta;A. Florent;J. Hauser;M. Ignatenko;N. Mccoll;W. A. Nash;S. Regnard;D. Saltzberg;C. Schnaible;B. Stone;V. Valuev;K. Burt;Y. Chen;R. Clare;J. W. Gary;S. M. A. Ghiasi Shirazi;G. Hanson;G. Karapostoli;E. Kennedy;O. R. Long;M. Olmedo Negrete;M. I. Paneva;W. Si;L. Wang;S. Wimpenny;B. R. Yates;Y. Zhang;J. G. Branson;P. Chang;S. Cittolin;S. Cooperstein;N. Deelen;M. Derdzinski;R. Gerosa;D. Gilbert;B. Hashemi;D. Klein;V. Krutelyov;J. Letts;M. Masciovecchio;S. May;S. Padhi;M. Pieri;V. Sharma;M. Tadel;F. Würthwein;A. Yagil;G. Zevi Della Porta;N. Amin;R. Bhandari;C. Campagnari;M. Citron;V. Dutta;M. Franco Sevilla;J. Incandela;B. Marsh;H. Mei;A. Ovcharova;H. Qu;J. Richman;U. Sarica;D. Stuart;S. Wang;D. Anderson;A. Bornheim;O. Cerri;I. Dutta;J. M. Lawhorn;N. Lu;J. Mao;H. B. Newman;T. Q. Nguyen;J. Pata;M. Spiropulu;J. R. Vlimant;S. Xie;Z. Zhang;R. Y. Zhu;M. B. Andrews;T. Ferguson;T. Mudholkar;M. Paulini;M. Sun;I. Vorobiev;M. Weinberg;J. P. Cumalat;W. T. Ford;E. MacDonald;T. Mulholland;R. Patel;A. Perloff;K. Stenson;K. A. Ulmer;S. R. Wagner;J. Alexander;Y. Cheng;J. Chu;A. Datta;A. Frankenthal;K. Mcdermott;J. R. Patterson;D. Quach;A. Ryd;S. M. Tan;Z. Tao;J. Thom;P. Wittich;M. Zientek;S. Abdullin;M. Albrow;M. Alyari;G. Apollinari;A. Apresyan;A. Apyan;S. Banerjee;L. A. T. Bauerdick;A. Beretvas;D. Berry;J. Berryhill;P. C. Bhat;K. Burkett;J. N. Butler;A. Canepa;G. B. Cerati;H. W. K. Cheung;F. Chlebana;M. Cremonesi;J. Duarte;V. D. Elvira;J. Freeman;Z. Gecse;E. Gottschalk;L. Gray;D. Green;S. Grünendahl;O. Gutsche;AllisonReinsvold Hall;J. Hanlon;R. M. Harris;S. Hasegawa;R. Heller;J. Hirschauer;B. Jayatilaka;S. Jindariani;M. Johnson;U. Joshi;B. Klima;M. J. Kortelainen;B. Kreis;S. Lammel;J. Lewis;D. Lincoln;R. Lipton;M. Liu;T. Liu;J. Lykken;K. Maeshima;J. M. Marraffino;D. Mason;P. McBride;P. Merkel;S. Mrenna;S. Nahn;V. O’Dell;V. Papadimitriou;K. Pedro;C. Pena;G. Rakness;F. Ravera;L. Ristori;B. Schneider;E. Sexton-Kennedy;N. Smith;A. Soha;W. J. Spalding;L. Spiegel;S. Stoynev;J. Strait;N. Strobbe;L. Taylor;S. Tkaczyk;N. V. Tran;L. Uplegger;E. W. Vaandering;C. Vernieri;R. Vidal;M. Wang;H. A. Weber;D. Acosta;P. Avery;D. Bourilkov;A. Brinkerhoff;L. Cadamuro;A. Carnes;V. Cherepanov;F. Errico;R. D. Field;S. V. Gleyzer;B. M. Joshi;M. Kim;J. Konigsberg;A. Korytov;K. H. Lo;P. Ma;K. Matchev;N. Menendez;G. Mitselmakher;D. Rosenzweig;K. Shi;J. Wang;S. Wang;X. Zuo;Y. R. Joshi;T. Adams;A. Askew;S. Hagopian;V. Hagopian;K. F. Johnson;R. Khurana;T. Kolberg;G. Martinez;T. Perry;H. Prosper;C. Schiber;R. Yohay;J. Zhang;M. M. Baarmand;M. Hohlmann;D. Noonan;M. Rahmani;M. Saunders;F. Yumiceva;M. R. Adams;L. Apanasevich;R. R. Betts;R. Cavanaugh;X. Chen;S. Dittmer;O. Evdokimov;C. E. Gerber;D. A. Hangal;D. J. Hofman;K. Jung;C. Mills;T. Roy;M. B. Tonjes;N. Varelas;J. Viinikainen;H. Wang;X. Wang;Z. Wu;M. Alhusseini;B. Bilki;W. Clarida;K. Dilsiz;S. Durgut;R. P. Gandrajula;M. Haytmyradov;V. Khristenko;O. K. Köseyan;J. -P. Merlo;A. Mestvirishvili;A. Moeller;J. Nachtman;H. Ogul;Y. Onel;F. Ozok;A. Penzo;C. Snyder;E. Tiras;J. Wetzel;B. Blumenfeld;A. Cocoros;N. Eminizer;A. V. Gritsan;W. T. Hung;S. Kyriacou;P. Maksimovic;J. Roskes;M. Swartz;C. Baldenegro Barrera;P. Baringer;A. Bean;S. Boren;J. Bowen;A. Bylinkin;T. Isidori;S. Khalil;J. King;G. Krintiras;A. Kropivnitskaya;C. Lindsey;D. Majumder;W. Mcbrayer;N. Minafra;M. Murray;C. Rogan;C. Royon;S. Sanders;E. Schmitz;J. D. Tapia Takaki;Q. Wang;J. Williams;G. Wilson;S. Duric;A. Ivanov;K. Kaadze;D. Kim;Y. Maravin;D. R. Mendis;T. Mitchell;A. Modak;A. Mohammadi;F. Rebassoo;D. Wright;A. Baden;O. Baron;A. Belloni;S. C. Eno;Y. Feng;N. J. Hadley;S. Jabeen;G. Y. Jeng;R. G. Kellogg;J. Kunkle;A. C. Mignerey;S. Nabili;F. Ricci-Tam;M. Seidel;Y. H. Shin;A. Skuja;S. C. Tonwar;K. Wong;D. Abercrombie;B. Allen;A. Baty;R. Bi;S. Brandt;W. Busza;I. A. Cali;M. D’Alfonso;G. Gomez Ceballos;M. Goncharov;P. Harris;D. Hsu;M. Hu;M. Klute;D. Kovalskyi;Y. -J. Lee;P. D. Luckey;B. Maier;A. C. Marini;C. Mcginn;C. Mironov;S. Narayanan;X. Niu;C. Paus;D. Rankin;C. Roland;G. Roland;Z. Shi;G. S. F. Stephans;K. Sumorok;K. Tatar;D. Velicanu;J. Wang;T. W. Wang;B. Wyslouch;R. M. Chatterjee;A. Evans;S. Guts;P. Hansen;J. Hiltbrand;Y. Kubota;Z. Lesko;J. Mans;R. Rusack;M. A. Wadud;J. G. Acosta;S. Oliveros;K. Bloom;S. Chauhan;D. R. Claes;C. Fangmeier;L. Finco;F. Golf;R. Kamalieddin;I. Kravchenko;J. E. Siado;G. R. Snow;B. Stieger;W. Tabb;G. Agarwal;C. Harrington;I. Iashvili;A. Kharchilava;C. McLean;D. Nguyen;A. Parker;J. Pekkanen;S. Rappoccio;B. Roozbahani;G. Alverson;E. Barberis;C. Freer;Y. Haddad;A. Hortiangtham;G. Madigan;B. Marzocchi;D. M. Morse;T. Orimoto;L. Skinnari;A. Tishelman-Charny;T. Wamorkar;B. Wang;A. Wisecarver;D. Wood;S. Bhattacharya;J. Bueghly;T. Gunter;K. A. Hahn;N. Odell;M. H. Schmitt;K. Sung;M. Trovato;M. Velasco;R. Bucci;N. Dev;R. Goldouzian;M. Hildreth;K. Hurtado Anampa;C. Jessop;D. J. Karmgard;K. Lannon;W. Li;N. Loukas;N. Marinelli;I. Mcalister;F. Meng;C. Mueller;Y. Musienko;M. Planer;R. Ruchti;P. Siddireddy;G. Smith;S. Taroni;M. Wayne;A. Wightman;M. Wolf;A. Woodard;J. Alimena;B. Bylsma;L. S. Durkin;B. Francis;C. Hill;W. Ji;A. Lefeld;T. Y. Ling;B. L. Winer;G. Dezoort;P. Elmer;J. Hardenbrook;N. Haubrich;S. Higginbotham;A. Kalogeropoulos;S. Kwan;D. Lange;M. T. Lucchini;J. Luo;D. Marlow;K. Mei;I. Ojalvo;J. Olsen;C. Palmer;P. Piroué;J. Salfeld-Nebgen;D. Stickland;C. Tully;Z. Wang;S. Malik;S. Norberg;A. Barker;V. E. Barnes;S. Das;L. Gutay;M. Jones;A. W. Jung;A. Khatiwada;B. Mahakud;D. H. Miller;G. Negro;N. Neumeister;C. C. Peng;S. Piperov;H. Qiu;J. F. Schulte;N. Trevisani;F. Wang;R. Xiao;W. Xie;T. Cheng;J. Dolen;N. Parashar;U. Behrens;K. M. Ecklund;S. Freed;F. J. M. Geurts;M. Kilpatrick;Arun Kumar;W. Li;B. P. Padley;R. Redjimi;J. Roberts;J. Rorie;W. Shi;A. G. Stahl Leiton;Z. Tu;A. Zhang;A. Bodek;P. de Barbaro;R. Demina;J. L. Dulemba;C. Fallon;T. Ferbel;M. Galanti;A. Garcia-Bellido;O. Hindrichs;A. Khukhunaishvili;E. Ranken;R. Taus;B. Chiarito;J. P. Chou;A. Gandrakota;Y. Gershtein;E. Halkiadakis;A. Hart;M. Heindl;E. Hughes;S. Kaplan;I. Laflotte;A. Lath;R. Montalvo;K. Nash;M. Osherson;H. Saka;S. Salur;S. Schnetzer;S. Somalwar;R. Stone;S. Thomas;H. Acharya;A. G. Delannoy;S. Spanier;O. Bouhali;A. Celik;M. Dalchenko;M. De Mattia;A. Delgado;S. Dildick;R. Eusebi;J. Gilmore;T. Huang;T. Kamon;S. Luo;S. Malhotra;D. Marley;R. Mueller;D. Overton;L. Perniè;D. Rathjens;A. Safonov;N. Akchurin;J. Damgov;F. De Guio;S. Kunori;K. Lamichhane;S. W. Lee;T. Mengke;S. Muthumuni;T. Peltola;S. Undleeb;I. Volobouev;Z. Wang;A. Whitbeck;S. Greene;A. Gurrola;R. Janjam;W. Johns;C. Maguire;A. Melo;H. Ni;K. Padeken;F. Romeo;P. Sheldon;S. Tuo;J. Velkovska;M. Verweij;M. W. Arenton;P. Barria;B. Cox;G. Cummings;J. Hakala;R. Hirosky;M. Joyce;A. Ledovskoy;C. Neu;B. Tannenwald;Y. Wang;E. Wolfe;F. Xia;R. Harr;P. E. Karchin;N. Poudyal;J. Sturdy;P. Thapa;T. Bose;J. Buchanan;C. Caillol;D. Carlsmith;S. Dasu;I. De Bruyn;L. Dodd;F. Fiori;C. Galloni;B. Gomber;H. He;M. Grothe;M. Herndon;A. Hervé;U. Hussain;P. Klabbers;A. Lanaro;A. Loeliger;K. Long;R. Loveless;J. Madhusudanan Sreekala;D. Pinna;T. Ruggles;A. Savin;V. Sharma;W. H. Smith;D. Teague;S. Trembath-reichert;N. Woods
2020-01-01
Abstract
Two related searches for phenomena beyond the standard model (BSM) are performed using events with hadronic jets and significant transverse momentum imbalance. The results are based on a sample of proton–proton collisions at a center-of-mass energy of $$13\,\text {Te}\text {V} $$, collected by the CMS experiment at the LHC in 2016–2018 and corresponding to an integrated luminosity of 137$$\,\text {fb}^{-1}$$. The first search is inclusive, based on signal regions defined by the hadronic energy in the event, the jet multiplicity, the number of jets identified as originating from bottom quarks, and the value of the kinematic variable $$M_{\mathrm {T2}}$$ for events with at least two jets. For events with exactly one jet, the transverse momentum of the jet is used instead. The second search looks in addition for disappearing tracks produced by BSM long-lived charged particles that decay within the volume of the tracking detector. No excess event yield is observed above the predicted standard model background. This is used to constrain a range of BSM models that predict the following: the pair production of gluinos and squarks in the context of supersymmetry models conserving R-parity, with or without intermediate long-lived charginos produced in the decay chain; the resonant production of a colored scalar state decaying to a massive Dirac fermion and a quark; or the pair production of scalar and vector leptoquarks each decaying to a neutrino and a top, bottom, or light-flavor quark. In most of the cases, the results obtained are the most stringent constraints to date.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11571/1488454
Citazioni
ND
71
69
social impact
Conferma cancellazione
Sei sicuro che questo prodotto debba essere cancellato?
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.