English
Related papers

Related papers: The Einstein Telescope Pathfinder and its Vacuum S…

200 papers

The third-generation of gravitational wave observatories, such as the Einstein Telescope (ET) and Cosmic Explorer (CE), aim for an improvement in sensitivity of at least a factor of ten over a wide frequency range compared to the current…

Instrumentation and Methods for Astrophysics · Physics 2022-10-05 A. Utina , A. Amato , J. Arends , C. Arina , M. de Baar , M. Baars , P. Baer , N. van Bakel , W. Beaumont , A. Bertolini , M. van Beuzekom , S. Biersteker , A. Binetti , H. J. M. ter Brake , G. Bruno , J. Bryant , H. J. Bulten , L. Busch , P. Cebeci , C. Collette , S. Cooper , R. Cornelissen , P. Cuijpers , M. van Dael , S. Danilishin , D. Dixit , S. van Doesburg , M. Doets , R. Elsinga , V. Erends , J. van Erps , A. Freise , H. Frenaij , R. Garcia , M. Giesberts , S. Grohmann , H. Van Haevermaet , S. Heijnen , J. V. van Heijningen , E. Hennes , J. -S. Hennig , M. Hennig , T. Hertog , S. Hild , H. -D. Hoffmann , G. Hoft , M. Hopman , D. Hoyland , G. A. Iandolo , C. Ietswaard , R. Jamshidi , P. Jansweijer , A. Jones , P. Jones , N. Knust , G. Koekoek , X. Koroveshi , T. Kortekaas , A. N. Koushik , M. Kraan , M. van de Kraats , S. L. Kranzhoff , P. Kuijer , K. A. Kukkadapu , K. Lam , N. Letendre , P. Li , R. Limburg , F. Linde , J. -P. Locquet , P. Loosen , H. Lueck , M. Martınez , A. Masserot , F. Meylahn , M. Molenaar , C. Mow-Lowry , J. Mundet , B. Munneke , L. van Nieuwland , E. Pacaud , D. Pascucci , S. Petit , Z. Van Ranst , G. Raskin , P. M. Recaman , N. van Remortel , L. Rolland , L. de Roo , E. Roose , J. C. Rosier , D. Ryckbosch , K. Schouteden , A. Sevrin , A. Sider , A. Singha , V. Spagnuolo , A. Stahl , J. Steinlechner , S. Steinlechner , B. Swinkels , N. Szilasi , M. Tacca , H. Thienpont , A. Vecchio , H. Verkooijen , C. H. Vermeer , M. Vervaeke , G. Visser , R. Walet , P. Werneke , C. Westhofen , B. Willke , A. Xhahi , T. Zhang

The Einstein Telescope (ET) is a third generation gravitational wave detector that includes a room-temperature high-frequency (ET-HF) and a cryogenic low-frequency laser interferometer (ET-LF). The cryogenic ET-LF is crucial for exploiting…

Instrumentation and Methods for Astrophysics · Physics 2023-12-11 Xhesika Koroveshi , Lennard Busch , Ettore Majorana , Paola Puppo , Piero Rapagnani , Fulvio Ricci , Paolo Ruggi , Steffen Grohmann

The Einstein Telescope (ET), a proposed European ground-based gravitational-wave detector of third-generation, is an evolution of second-generation detectors such as Advanced LIGO, Advanced Virgo, and KAGRA which could be operating in the…

The Einstein Telescope (ET), the European project for a third-generation gravitational-wave detector, has a reference configuration based on a triangular shape consisting of three nested detectors with 10 km arms, where in each arm there is…

Einstein Telescope (ET) is the European project for a gravitational-wave (GW) observatory of third-generation. In this paper we present a comprehensive discussion of its science objectives, providing state-of-the-art predictions for the…

General Relativity and Quantum Cosmology · Physics 2026-04-15 Adrian Abac , Raul Abramo , Simone Albanesi , Angelica Albertini , Alessandro Agapito , Michalis Agathos , Conrado Albertus , Nils Andersson , Tomas Andrade , Igor Andreoni , Federico Angeloni , Marco Antonelli , John Antoniadis , Fabio Antonini , Manuel Arca Sedda , M. Celeste Artale , Stefano Ascenzi , Pierre Auclair , Matteo Bachetti , Charles Badger , Biswajit Banerjee , David Barba-Gonzalez , Daniel Barta , Nicola Bartolo , Andreas Bauswein , Andrea Begnoni , Freija Beirnaert , Michal Bejger , Enis Belgacem , Nicola Bellomo , Laura Bernard , Maria Grazia Bernardini , Sebastiano Bernuzzi , Christopher P. L. Berry , Emanuele Berti , Gianfranco Bertone , Dario Bettoni , Miguel Bezares , Swetha Bhagwat , Sofia Bisero , Marie Anne Bizouard , Jose J. Blanco-Pillado , Simone Blasi , Alice Bonino , Alice Borghese , Ssohrab Borhanian , Elisa Bortolas , Maria Teresa Botticella , Marica Branchesi , Matteo Breschi , Richard Brito , Enzo Brocato , Floor S. Broekgaarden , Tomasz Bulik , Alessandra Buonanno , Fiorella Burgio , Adam Burrows , Gianluca Calcagni , Sofia Canevarolo , Enrico Cappellaro , Giulia Capurri , Carmelita Carbone , Roberto Casadio , Ramiro Cayuso , Pablo Cerda-Duran , Prasanta Char , Sylvain Chaty , Tommaso Chiarusi , Martyna Chruslinska , Francesco Cireddu , Philippa Cole , Alberto Colombo , Monica Colpi , Geoffrey Compere , Carlo Contaldi , Maxence Corman , Francesco Crescimbeni , Sergio Cristallo , Elena Cuoco , Giulia Cusin , Tito Dal Canton , Gergely Dalya , Paolo D'Avanzo , Nazanin Davari , Valerio De Luca , Viola De Renzis , Massimo Della Valle , Walter Del Pozzo , Federico De Santi , Alessio Ludovico De Santis , Tim Dietrich , Ema Dimastrogiovanni , Guillem Domenech , Daniela Doneva , Marco Drago , Ulyana Dupletsa , Hannah Duval , Irina Dvorkin , Nancy Elias-Rosa , Stephen Fairhurst , Anthea F. Fantina , Matteo Fasiello , Maxime Fays , Rob Fender , Tobias Fischer , Francois Foucart , Tassos Fragos , Stefano Foffa , Gabriele Franciolini , Jacopo Fumagalli , Jonathan Gair , Rossella Gamba , Juan Garcia-Bellido , Cecilio Garcia-Quiros , Laszlo Arpad Gergely , Giancarlo Ghirlanda , Archisman Ghosh , Bruno Giacomazzo , Fabian Gittins , Ines Francesca Giudice , Boris Goncharov , Alejandra Gonzalez , Stephane Goriely , Luca Graziani , Giuseppe Greco , Leonardo Gualtieri , Gianluca Maria Guidi , Ish Gupta , Maria Haney , Mark Hannam , Jan Harms , Arus Harutyunyan , Brynmor Haskell , Andreas Haungs , Nandini Hazra , Gary Hemming , Ik Siong Heng , Tanja Hinderer , Alexander van der Horst , Qian Hu , Sascha Husa , Francesco Iacovelli , Giulia Illuminati , Gianluca Inguglia , David Izquierdo Villalba , Justin Janquart , Kamiel Janssens , Alexander C. Jenkins , Ian Jones , Balazs Kacskovics , Ralf S. Klessen , Kostas Kokkotas , Hao-Jui Kuan , Sumit Kumar , Sachiko Kuroyanagi , Danny Laghi , Astrid Lamberts , Gaetano Lambiase , Francois Larrouturou , Paola Leaci , Michele Lenzi , Andrew Levan , T. G. F. Li , Yufeng Li , Dicong Liang , Marco Limongi , Boyuan Liu , Felipe J. Llanes-Estrada , Eleonora Loffredo , Oliver Long , Eva Lope-Oter , Georgios Lukes-Gerakopoulos , Elisa Maggio , Michele Maggiore , Michele Mancarella , Michela Mapelli , Pablo Marchant , Annarita Margiotta , Alberto Mariotti , Alisha Marriott-Best , Sylvain Marsat , Gabriel Martinez-Pinedo , Andrea Maselli , Simone Mastrogiovanni , Isabela Matos , Andrea Melandri , Raissa F. P. Mendes , Josiel Mendonca Soares de Souza , Giorgio Mentasti , Mar Mezcua , Philipp Mosta , Chiranjib Mondal , Michele Moresco , Tista Mukherjee , Niccolo Muttoni , Alessandro Nagar , Harsh Narola , Lara Nava , Pablo Navarro Moreno , Gijs Nelemans , Alex B. Nielsen , Samaya Nissanke , Martin Obergaulinger , Micaela Oertel , Gor Oganesyan , Francesca Onori , Costantino Pacilio , Giulia Pagliaroli , Cristiano Palomba , Peter T. H. Pang , Paolo Pani , Lucia Papalini , Barbara Patricelli , Alessandro Patruno , Alessandro Pedrotti , Albino Perego , Maria Angeles Perez-Garcia , Carole Perigois , Gabriele Perna , Celine Peroux , J. Perret , Delphine Perrodin , Alessandro Pesci , Harald P. Pfeiffer , Ornella Juliana Piccinni , Mauro Pieroni , Silvia Piranomonte , Lorenzo Pompili , E. K. Porter , Rafael A. Porto , Adam Pound , Jade Powell , Mathieu Puech , Geraint Pratten , Anna Puecher , Oriol Pujolas , Miguel Quartin , Adriana R. Raduta , Antoni Ramos-Buades , Aaron Rase , Massimiliano Razzano , Nanda Rea , Tania Regimbau , Arianna Renzini , Piero Rettegno , Angelo Ricciardone , Antonio Riotto , Alba Romero-Rodriguez , Samuele Ronchini , Dorota Rosinska , Andrea Rossi , Soumen Roy , Diego Rubiera-Garcia , J. Rubio , Pilar Ruiz-Lapuente , Violetta Sagun , Mairi Sakellariadou , Om Sharan Salafia , Anuradha Samajdar , Nicolas Sanchis-Gual , Andrea Sanna , Filippo Santoliquido , Bangalore Sathyaprakash , Patricia Schmidt , Stefano Schmidt , Fabian R. N. Schneider , Raffaella Schneider , Armen Sedrakian , Geraldine Servant , Alexander Sevrin , Lijing Shao , Hector O. Silva , Peera Simakachorn , Stephen Smartt , Thomas P. Sotiriou , Mario Spera , Antonio Stamerra , Daniele A. Steer , Jan Steinhoff , Nikolaos Stergioulas , Riccardo Sturani , Duvier Suarez , Jishnu Suresh , Shaun Swain , Matteo Tagliazucchi , Nicola Tamanini , Gianmassimo Tasinato , Thomas M. Tauris , Jacopo Tissino , Giovanni Maria Tomaselli , Silvia Toonen , Alejandro Torres-Forne , Cezary Turski , Cristiano Ugolini , Elias C. Vagenas , Lorenzo Valbusa Dall'Armi , Elena Valenti , Rosa Valiante , Chris Van Den Broeck , Maarten van de Meent , Lieke A. C. van Son , Miguel Vanvlasselaer , Massimo Vaglio , Vijay Varma , John Veitch , Ville Vaskonen , Susanna D. Vergani , Milan Wils , Helvi Witek , Isaac C. F. Wong , Stoytcho Yazadjiev , Garvin Yim , Fausto Acernese , Hojae Ahn , Annalisa Allocca , Alex Amato , Marc Andres-Carcasona , Guerino Avallone , Markus Bachlechner , Patrick Baer , Stefano Bagnasco , Gabriele Balbi , Fabrizio Barone , Eugenio Benedetti , Charlotte Benning , Simone Bini , Jose Luis Blazquez Salcedo , Valerio Bozza , Matteo Bruno , Timo Butz , Matteo Califano , Enrico Calloni , Giovanni Carapella , Alessandro Cardini , Shreevathsa Chalathadka Subrahmanya , Francesco Chiadini , Antonino Chiummo , Spina Cianetti , Giacomo Ciani , Eugenio Coccia , Andrea Contu , Robin Cornelissen , Andrea Cozzumbo , Lewis Croney , Mariateresa Crosta , Rocco D'Agostino , Stefan Danilishin , Sabrina D'Antonio , Jorden De Bolle , Jerome Degallaix , Mariafelicia De Laurentis , Riccardo della Monica , Francesco De Marco , Ivan de Martino , Rosario De Rosa , Riccardo De Salvo , Roberta De Simone , Christophe Detavernier , Giovanni Diaferia , Martina Di Cesare , Luciano Di Fiore , Matteo Di Giovanni , Sibilla Di Pace , Jennifer Docherty , Domenico D'Urso , Oussama El Mecherfi , Luciano Errico , Federica Fabrizi , Viviana Fafone , Viviana Fanti , Rosalba Fittipaldi , Vincenzo Fiumara , Andreas Freise , Stefan Funk , Mika Gaedtke , Fabio Garufi , Oliver Gerberding , Edoardo Giangrandi , Carlo Giunchi , Victoria Graham , Massimo Granata , Veronica Granata , Anna Green , Karen Haughian , Lavinia Heisenberg , Margot Hennig , Stefan Hild , Van Long Hoang , Nathan Holland , Gerardo Iannone , Katharina-Sophie Isleif , Robert Joppe , Chang-Hee Kim , Chunglee Kim , Kyungmin Kim , Erika Korb , Mikhail Korobko , Luise Kranzhoff , Tim Kuhlbusch , Gregoire Lacaille , Angelique Lartaux-Vollard , Lia Lavezzi , Paul Laycock , Sumi Lee , Sumin Lee , Sungho Lee , Giovanni Losurdo , Leonardo Lucchesi , Harald Luck , Adrian Macquet , Ettore Majorana , Valentina Mangano , Filippo Martelli , Iain Martin , Mario Martinez , Alberto Masoni , Luca Massaro , Daniele Melini , Amata Mercurio , Lorenzo Mereni , Andrew L. Miller , Lorenzo Mirasola , Alexandra Mitchell , Irene Molinari , Matteo Montani , Conor Mow-Lowry , Riccardo Murgia , Peter Gordon Murray , Giuseppe Muscas , Luca Naticchioni , Ardiana Nela , Marina Nery , Tom Niggemann , Niklas Nippe , Jerome Novak , Armin Numic , Marco Olivieri , Marco Orsini , June Gyu Park , Daniela Pascucci , Antonio Perreca , Francesco Piergiovanni , Vincenzo Pierro , Laurent Pinard , Innocenzo Pinto , Michele Punturo , Paola Puppo , Francesco Quochi , Reinhardt Omondi Rading , Piero Rapagnani , Marco Ricci , Davi Rodrigues , Rocco Romano , Davide Rozza , Pooya Saffarieh , Federica Santucci , Steven Schramm , Benjamin Schwab , Valeria Sequino , Liam Shelling Neto , Laura Silenzi , Alicia M. Sintes , Carlos F. Sopuerta , Andrew Spencer , Achim Stahl , Jessica Steinlechner , Sebastian Steinlechner , Robert Szabo , Thomas Thummler , Emanuele Tofani , Stefano Torniamenti , Riccardo Travaglini , Lucia Trozzo , M. Paola Vaccaro , Michele Valentini , Peter Van , Jesse van Dongen , Joris van Heijningen , Zeb van Ranst , Marco Vardaro , Patrice Verdier , Daniele Vernieri , Nico Wagner , Janis Woehler , Joachim Wolf , Guido Zavattini , Adrian Zink , Andreas Zmija

The next generation of gravitational-wave detectors, such as the Einstein Telescope, is designed to reduce noise in a wide band of frequencies compared to the current generation, through the use of new technologies. ETpathfinder, designed…

The Einstein Telescope (ET) is a proposed next-generation, underground gravitational-wave (GW) detector to be based in Europe. It will provide about an order of magnitude sensitivity increase with respect to currently operating detectors,…

Einstein Telescope (ET) is a planned third generation gravitational waves detector located in Europe. Its design will be different from currently build interferometers, because ET will consist of three interferometers rotated by a 60 deg…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-25 I. Kowalska-Leszczynska , T. Bulik

Recently, the design study `Einstein gravitational wave Telescope' (ET) has been funded within the European FP7 framework. The ambitious goal of this project is to provide a conceptual design of a detector with a hundred times better…

General Relativity and Quantum Cosmology · Physics 2008-11-24 Stefan Hild , Simon Chelkowski , Andreas Freise

Einstein gravitational-wave Telescope (ET) is a design study funded by the European Commission to explore the technological challenges of and scientific benefits from building a third generation gravitational wave detector. The three-year…

General Relativity and Quantum Cosmology · Physics 2012-06-05 B. Sathyaprakash , M. Abernathy , F. Acernese , P. Amaro-Seoane , N. Andersson , K. Arun , F. Barone , B. Barr , M. Barsuglia , M. Beker , N. Beveridge , S. Birindelli , S. Bose , L. Bosi , S. Braccini , C. Bradaschia , T. Bulik , E. Calloni , G. Cella , E. Chassande-Mottin , S. Chelkowski , A. Chincarini , J. Clark , E. Coccia , C. Colacino , J. Colas , A. Cumming , L. Cunningham , E. Cuoco , S. Danilishin , K. Danzmann , R. De. Salvo , T. Dent , R. De. Rosa , L. Di. Fiore , A. Di. Virgilio , M. Doets , V. Fafone , P. Falferi , R. Flaminio , J. Franc , F. Frasconi , A. Freise , D. Friedrich , P. Fulda , J. Gair , G. Gemme , E. Genin , A. Gennai , A. Giazotto , K. Glampedakis , C. Gräf , M. Granata , H. Grote , G. Guidi , A. Gurkovsky , G. Hammond , M. Hannam , J. Harms , D. Heinert , M. Hendry , I. Heng , E. Hennes , S. Hild , J. Hough , S. Husa , S. Huttner , G. Jones , F. Khalili , K. Kokeyama , K. Kokkotas , B. Krishnan , T. G. F. Li , M. Lorenzini , H. Lück , E. Majorana , I. Mandel , V. Mandic , M. Mantovani , I. Martin , C. Michel , Y. Minenkov , N. Morgado , S. Mosca , B. Mours , H. Müller-Ebhardt , P. Murray , R. Nawrodt , J. Nelson , R. Oshaughnessy , C. D. Ott , C. Palomba , A. Paoli , G. Parguez , A. Pasqualetti , R. Passaquieti , D. Passuello , L. Pinard , W. Plastino , R. Poggiani , P. Popolizio , M. Prato , M. Punturo , P. Puppo , D. Rabeling , I. Racz , P. Rapagnani , J. Read , T. Regimbau , H. Rehbein , S. Reid , L. Rezzolla , F. Ricci , F. Richard , A. Rocchi , S. Rowan , A. Rüdiger , L. Santamaria , B. Sassolas , R. Schnabel , C. Schwarz , P. Seidel , A. Sintes , K. Somiya , F. Speirits , K. Strain , S. Strigin , P. Sutton , S. Tarabrin , A. Thüring , J. van den Brand , M van Veggel , C. Van Den Broeck , A. Vecchio , J. Veitch , F. Vetrano , A. Vicere , S. Vyatchanin , B. Willke , G. Woan , K. Yamamoto

The second-generation interferometric gravitational wave detectors currently under construction are expected to make their first detections within this decade. This will firmly establish gravitational wave physics as an empirical science…

General Relativity and Quantum Cosmology · Physics 2015-06-15 Chris Van Den Broeck

Einstein Telescope (ET) is a possible third generation ground-based gravitational wave observatory for which a design study is currently being carried out. A brief (and non-exhaustive) overview is given of ET's projected capabilities…

General Relativity and Quantum Cosmology · Physics 2010-03-09 Chris Van Den Broeck

Recently, detailed studies have been made to compare the performance of the European next generation GW observatory Einstein Telescope (ET) in a single-site triangular configuration with the performance of a configuration featuring two…

General Relativity and Quantum Cosmology · Physics 2024-08-28 Francesco Iacovelli , Enis Belgacem , Michele Maggiore , Michele Mancarella , Niccolò Muttoni

Advanced gravitational wave detectors, currently under construction, are expected to directly observe gravitational wave signals of astrophysical origin. The Einstein Telescope, a third-generation gravitational wave detector, has been…

General Relativity and Quantum Cosmology · Physics 2015-05-20 S. Hild , M. Abernathy , F. Acernese , P. Amaro-Seoane , N. Andersson , K. Arun , F. Barone , B. Barr , M. Barsuglia , M. Beker , N. Beveridge , S. Birindelli , S. Bose , L. Bosi , S. Braccini , C. Bradaschia , T. Bulik , E. Calloni , G. Cella , E. Chassande Mottin , S. Chelkowski , A. Chincarini , J. Clark , E. Coccia , C. Colacino , J. Colas , A. Cumming , L. Cunningham , E. Cuoco , S. Danilishin , K. Danzmann , R. De Salvo , T. Dent , R. De Rosa , L. Di Fiore , A. Di Virgilio , M. Doets , V. Fafone , P. Falferi , R. Flaminio , J. Franc , F. Frasconi , A. Freise , D. Friedrich , P. Fulda , J. Gair , G. Gemme , E. Genin , A. Gennai , A. Giazotto , K. Glampedakis , C. Gräf , M. Granata , H. Grote , G. Guidi , A. Gurkovsky , G. Hammond , M. Hannam , J. Harms , D. Heinert , M. Hendry , I. Heng , E. Hennes , J. Hough , S. Husa , S. Huttner , G. Jones , F. Khalili , K. Kokeyama , K. Kokkotas , B. Krishnan , T. G. F. Li , M. Lorenzini , H. Lück , E. Majorana , I. Mandel , V. Mandic , M. Mantovani , I. Martin , C. Michel , Y. Minenkov , N. Morgado , S. Mosca , B Mours , H. Müller-Ebhardt , P. Murray , R. Nawrodt , J. Nelson , R. Oshaughnessy , C. D. Ott , C. Palomba , A. Paoli , G. Parguez , A. Pasqualetti , R. Passaquieti , D. Passuello , L. Pinard , W. Plastino , R. Poggiani1 , P. Popolizio , M. Prato , M. Punturo , P. Puppo , D. Rabeling , P. Rapagnani , J. Read , T. Regimbau , H. Rehbein , S. Reid , F. Ricci , F. Richard , A. Rocchi , S. Rowan , A. Rüdiger , L. Santamaría , B. Sassolas , B. Sathyaprakash , R. Schnabel , C. Schwarz , P. Seidel , A. Sintes , K. Somiya , F. Speirits , K. Strain , S Strigin , P. Sutton , S. Tarabrin , A. Thüring , J. van den Brand , M. van Veggel , C. van den Broeck , A. Vecchio , J. Veitch , F. Vetrano , A. Vicere , S. Vyatchanin , B. Willke , G. Woan , K. Yamamoto

The Einstein Telescope (ET) is a proposed third-generation gravitational-wave (GW) underground observatory. It will have greatly increased sensitivity compared to current GW detectors, and it is designed to extend the observation band down…

General Relativity and Quantum Cosmology · Physics 2022-02-28 Jan Harms , Luca Naticchioni , Enrico Calloni , Rosario De Rosa , Fulvio Ricci , Domenico D'Urso

The Einstein Telescope (ET) is the future third generation gravitational wave detector consisting of three independent interferometers arranged in a triangular configuration, with the sensitivity large enough to be able to detect stellar…

High Energy Astrophysical Phenomena · Physics 2021-08-25 Neha Singh , Tomasz Bulik

The Einstein Telescope is the next-generation gravitational wave interferometer which, compared to current detectors, will enable the observation of gravitational signals at lower frequencies with a sensitivity improved by approximately two…

Instrumentation and Detectors · Physics 2025-08-12 Federico Armato , Barbara Garaventa , Andrea Chincarini

Einstein Telescope (ET) is a 3rd generation gravitational-wave (GW) detector that is currently undergoing a design study. ET can detect millions of compact binary mergers up to redshifts 2-8. A small fraction of mergers might be observed in…

Cosmology and Nongalactic Astrophysics · Physics 2011-08-09 B. S. Sathyaprakash , Bernard Schutz , Chris Van Den Broeck

E-TEST (Einstein Telescope Euregio-Meuse-Rhin Site and Technology) is a project recently funded by the European program Ineterreg Euregio Meuse-Rhine. This program is dedicated to innovative cross boarder activities between Belgium, The…

The Einstein Telescope (ET) is a proposed future gravitational wave detector. Its design is original, using a triangular orientation of three detectors and a xylophone configuration, splitting each detector into one high-frequency and one…

Instrumentation and Detectors · Physics 2014-04-03 Mengyao Wang , Charlotte Bond , Daniel Brown , Frank Brueckner , Ludovico Carbone , Rebecca Palmer , Andreas Freise
‹ Prev 1 2 3 10 Next ›