D
D. Walker
Researcher at Harvard University
Publications - 10
Citations - 1156
D. Walker is an academic researcher from Harvard University. The author has contributed to research in topics: Physics beyond the Standard Model & Higgs boson. The author has an hindex of 8, co-authored 9 publications receiving 1052 citations. Previous affiliations of D. Walker include University of Washington.
Papers
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Working Group Report: New Light Weakly Coupled Particles
Rouven Essig,Jason H. Steffen,A. Hatzikoutelis,T. Averett,David J. E. Marsh,James D. Bjorken,S. Andreas,Joerg Jaeckel,Adam Ritz,T. K. Nelson,T. Maruyama,S. Stepanyan,B. Dongwi,Branislav Vlahovic,A. G. Denig,J. Ruz,Surjeet Rajendran,Oliver Keith Baker,M. Battaglieri,Amanda Weltman,Domenec Espriu,B. Echenard,N. Kalantarians,F. Curciarello,Jon J Thaler,R. Cowan,Babette Döbrich,V. P. Kubarovsky,A. S. Chou,I. G. Irastorza,A. Gasparian,M. T. Graham,Philip Schuster,M. Holtrop,R. G. Van de Water,T. Beranek,P. Monaghan,Andy Haas,Michael Köhl,Yonatan Kahn,Konstantin Zioutas,R. Poltis,G. Mueller,Harald Merkel,S. Fegan,F. Bossi,Kiadtisak Saenboonruang,Andrei Lobanov,K.C. Moffeit,Brian Batell,Yuri Gershtein,Hooman Davoudiasl,R. De Vita,Gordan Krnjaic,J. A. Jaros,P. H. Fisher,A. Lindner,P. Hansson Adrian,Tracy R. Slatyer,Michelle D. Shinn,Bogdan Wojtsekhowski,H-S. Lee,Z. Pavlovic,James Boyce,Gregg B. Franklin,D. Walker,Andreas Ringwald,S. K. Phillips,Michael E. Tobar,Peter W. Graham,David B. Tanner,S. Zhang,William J. Marciano,James Beacham,A. Upadye,Michael J. Pivovaroff,William Wester,Natalia Toro,Eder Izaguirre,Julia Vogel,Andrea Celentano,Maxim Pospelov,George R. Neil,M. Oriunno,David McKeen,G. D. Cates,Ranjan Dharmapalan,Javier Redondo,Patrick deNiverville +88 more
TL;DR: A review of the physics motivation for dark sectors and the exciting opportunities for experimental exploration is provided in this article, where axions, which solve the strong CP problem and are an excellent dark matter candidate, and their generalization to axion-like particles.
Journal ArticleDOI
Jet Substructure at the Tevatron and LHC: New results, new tools, new benchmarks
A. Altheimer,S. Arora,L. Asquith,G. Brooijmans,Jonathan Butterworth,Manuela Campanelli,B. Chapleau,A. E. Cholakian,A. E. Cholakian,John Paul Chou,Mrinal Dasgupta,A. R. Davison,James Dolen,Stephen D. Ellis,Rouven Essig,Rouven Essig,JiJi Fan,Richard D Field,Alessandro Fregoso,Jason Gallicchio,Yuri Gershtein,A. Gomes,Andy Haas,Eva Halkiadakis,V. Halyo,Stefan Hoeche,Anson Hook,Andrew Hornig,Peisi Huang,Eder Izaguirre,Martin Jankowiak,Graham D. Kribs,Graham D. Kribs,David Krohn,Andrew J. Larkoski,Amitabh Lath,Christopher Lee,Seung Joon Lee,P. Loch,Petar Maksimovic,M. Martinez,David Miller,Tilman Plehn,K. Prokofiev,R. Rahmat,Salvatore Rappoccio,Alexei Safonov,Gavin P. Salam,Gavin P. Salam,Gavin P. Salam,Steffen Schumann,Matthew D. Schwartz,A. Schwartzman,Michael H. Seymour,Jing Shao,P. Sinervo,M. Son,Davison E. Soper,Michael Spannowsky,Iain W. Stewart,Matthew J. Strassler,E. Strauss,Michihisa Takeuchi,Jesse Thaler,Scott Thomas,Brock Tweedie,R. Vasquez Sierra,Christopher K. Vermilion,Christopher K. Vermilion,M. Villaplana,Marcel Vos,Jay G. Wacker,D. Walker,Jonathan R. Walsh,L.-T. Wang,S. Wilbur,W. Zhu +76 more
TL;DR: In this article, the status of and outlook for calculation and simulation tools for studying jet substructure is reviewed and a new set of benchmark comparisons of substructure techniques, focusing on the set of variables and grooming methods are presented.
Posted Content
Dark Sectors and New, Light, Weakly-Coupled Particles
R. Essig,J. A. Jaros,W. C. Wester,P. Hansson Adrian,S. Andreas,T. Averett,Oliver Keith Baker,Brian Batell,M. Battaglieri,James Beacham,T. Beranek,James D. Bjorken,F. Bossi,James Boyce,G. D. Cates,Andrea Celentano,A. S. Chou,R. Cowan,F. Curciarello,Hooman Davoudiasl,Patrick deNiverville,R. De Vita,A. G. Denig,Ranjan Dharmapalan,B. Dongwi,Babette Döbrich,B. Echenard,Domenec Espriu,S. Fegan,P. H. Fisher,G. B. Franklin,A. Gasparian,Yuri Gershtein,Matthew J. Graham,Peter W. Graham,Andy Haas,A. Hatzikoutelis,M. Holtrop,I. G. Irastorza,Eder Izaguirre,Joerg Jaeckel,Yonatan Kahn,N. Kalantarians,Michael Kohl,Gordan Krnjaic,V. P. Kubarovsky,H-S. Lee,A. Lindner,Andrei Lobanov,William J. Marciano,David J. E. Marsh,T. Maruyama,David McKeen,Harald Merkel,K.C. Moffeit,P. Monaghan,Guido Mueller,T. K. Nelson,George R. Neil,M. Oriunno,Z. Pavlovic,S. K. Phillips,M. J. Pivovaroff,R. Poltis,Maxim Pospelov,Surjeet Rajendran,Javier Redondo,Andreas Ringwald,Adam Ritz,J. Ruz,Kiadtisak Saenboonruang,Philip Schuster,Michelle D. Shinn,Tracy R. Slatyer,Jason H. Steffen,S. Stepanyan,David B. Tanner,Jesse Thaler,Michael E. Tobar,Natalia Toro,A. Upadye,R. G. Van de Water,Branislav Vlahovic,Julia Vogel,D. Walker,Amanda Weltman,Bogdan Wojtsekhowski,S. Zhang,Konstantin Zioutas +88 more
TL;DR: A review of the physics motivation for dark sectors and the exciting opportunities for experimental exploration is provided in this article, where axions, which solve the strong CP problem and are an excellent dark matter candidate, and their generalization to axion-like particles.
Posted Content
Fundamental Physics at the Intensity Frontier
J.L. Hewett,Harry Weerts,Raymond Brock,J. N. Butler,B. C. K. Casey,J. I. Collar,A. de Gouvea,Rouven Essig,Yuval Grossman,Wick Haxton,J. A. Jaros,C. K. Jung,Zheng-Tian Lu,K. T. Pitts,Zoltan Ligeti,Juliet Ritchie Patterson,M. Ramsey-Musolf,J. L. Ritchie,A. Roodman,Kate Scholberg,Carlos E. M. Wagner,G. P. Zeller,S. Aefsky,Andrei Afanasev,Kaustubh Agashe,Carl H. Albright,José Antonio Alonso,Charles M. Ankenbrandt,Masaharu Aoki,Carlos Arguelles,Nima Arkani-Hamed,J.R. Armendariz,C. Armendariz-Picon,E. Arrieta Diaz,J. Asaadi,D. M. Asner,K. S. Babu,Kevin Bailey,Oliver Keith Baker,B. Balantekin,B. Baller,M. Bass,Brian Batell,James Beacham,Janna Katharina Behr,Nicolas Berger,M. Bergevin,E. Berman,Rebecca Bernstein,A. J. Bevan,M. Bishai,M. Blanke,S. Blessing,A. Blondel,Tom Blum,G. J. Bock,A. Bodek,G. Bonvicini,F. Bossi,James Boyce,Richard Breedon,Martin Breidenbach,S. J. Brice,R. A. Briere,Stanley J. Brodsky,C. Bromberg,A. Bross,T. E. Browder,Douglas Bryman,Matthew R. Buckley,R. Burnstein,E. Caden,P. Campana,R. D. Carlini,Gianpaolo Carosi,C. M. Castromonte,R. Cenci,Irakli Chakaberia,Mingshui Chen,C.H. Cheng,B. C. Choudhary,N. H. Christ,Eric Christensen,M. E. Christy,Timothy Chupp,E. Church,David B. Cline,T. E. Coan,P. Coloma,J. R. Comfort,L. Coney,J. Cooper,Reynold J. Cooper,R. Cowan,D. F. Cowen,D. Cronin-Hennessy,Alakabha Datta,Gavin Davies,M. Demarteau,David DeMille,A. G. Denig,Radovan Dermisek,Abhay Deshpande,Maynard S. Dewey,Ranjan Dharmapalan,J. Dhooghe,Matthew Dietrich,M. V. Diwan,Z. Djurcic,Sean A Dobbs,Murugeswaran Duraisamy,Bhaskar Dutta,H. Duyang,D. A. Dwyer,M. Eads,B. Echenard,S. R. Elliott,Carlos Escobar,J. Fajans,S. Farooq,C. Faroughy,J. E. Fast,B. Feinberg,J. Felde,Gerald Feldman,Peter Fierlinger,P. Fileviez Perez,B. W. Filippone,Peter H. Fisher,B.T. Flemming,K. T. Flood,Roger Forty,M. Frank,A. P. Freyberger,A. Friedland,Raj Gandhi,K. S. Ganezer,Alyssa Garcia,F. G. Garcia,Susan Gardner,L. Garrison,A. Gasparian,S. Geer,V. M. Gehman,T. J. Gershon,M. G. D. Gilchriese,C. Ginsberg,Ilia Gogoladze,M. Gonderinger,Maury Goodman,H. Gould,M. T. Graham,Peter W. Graham,R. Gran,J. Grange,Giorgio Gratta,J. Green,H. Greenlee,E. Guardincerri,Vladimir Gudkov,R. Guenette,Andy Haas,A. Hahn,Tao Han,T. Handler,J.C. Hardy,Roni Harnik,D. A. Harris,F. A. Harris,Philip Harris,J. Hartnett,B. He,Blayne Heckel,K. M. Heeger,Shawn W. Henderson,D. Hertzog,Richard Hill,E.A Hinds,D. G. Hitlin,R. J. Holt,N. Holtkamp,G. A. Horton-Smith,Patrick Huber,W. Huelsnitz,J. Imber,I. G. Irastorza,Joerg Jaeckel,I. Jaegle,C. W. James,A. Jawahery,D. A. Jensen,C. P. Jessop,B. J. P. Jones,H. Jostlein,T. R. Junk,Alexander L. Kagan,Mukut Kalita,Yuri Kamyshkov,Daniel M. Kaplan,G. Karagiorgi,A. Karle,Teppei Katori,B. Kayser,R. Kephart,S. Kettell,Yongsun Kim,M. H. Kirby,Klaus Kirch,Joshua R. Klein,James P. Kneller,Andrew Kobach,Michael Kohl,Joachim Kopp,M. Kordosky,Wolfgang Korsch,I. Kourbanis,A.D. Krisch,P. Krizan,Andreas S. Kronfeld,Suchita Kulkarni,K. S. Kumar,Y. Kuno,T. Kutter,Tobias Lachenmaier,M.J. Lamm,J. Lancaster,M. Lancaster,C. E. Lane,K. Lang,Paul Langacker,S. Lazarevic,T. Le,K. Lee,K. T. Lesko,Yang Li,M. Lindgren,A. Lindner,J. M. Link,D. Lissauer,L. Littenberg,B. R. Littlejohn,Chen-Yu Liu,Will Loinaz,Wolfgang Lorenzon,W. C. Louis,J. Lozier,L. Ludovici,L. Lueking,Cecilia Lunardini,D. B. MacFarlane,Pedro A. N. Machado,Paul B. Mackenzie,J. A. Maloney,William J. Marciano,W. Marsh,Marvin L Marshak,J. W. Martin,C. Mauger,K. S. McFarland,C. McGrew,Gail C. McLaughlin,David McKeen,R. D. McKeown,B. T. Meadows,R. Mehdiyev,Dan Melconian,Harald Merkel,M. D. Messier,J. Miller,G. B. Mills,U.K. Minamisono,S. R. Mishra,Irina Mocioiu,S. Moed Sher,Rabindra N. Mohapatra,Benjamin Monreal,C. D. Moore,Jorge G. Morfin,J. Mousseau,Leonidas A. Moustakas,Guido Mueller,Peter Mueller,M. Muether,Hans P. Mumm,C. Munger,Hitoshi Murayama,Pran Nath,O. Naviliat-Cuncin,J. K. Nelson,David Neuffer,Jeffrey S. Nico,Andrew Norman,D. R. Nygren,Y. Obayashi,Thomas P. O'Connor,Y. Okada,J. Olsen,Luis A. Orozco,John L. Orrell,J. Osta,B. Pahlka,J. M. Paley,V. Papadimitriou,Michele Papucci,Stephen J. Parke,Richard Parker,Z. Parsa,K. Partyka,A. Patch,Jogesh C. Pati,R. B. Patterson,Z. Pavlovic,Gil Paz,Gabriel Perdue,D. Perevalov,Gilad Perez,R. Petti,Walter C. Pettus,A. Piepke,Michael J. Pivovaroff,R. K. Plunkett,C. C. Polly,Maxim Pospelov,R. Povey,A. Prakesh,M. V. Purohit,Stuart Raby,J. L. Raaf,R. Rajendran,Surjeet Rajendran,G. Rameika,R. Ramsey,A. Rashed,B. N. Ratcliff,B. Rebel,Javier Redondo,P. E. Reimer,D. Reitzner,Felix Ringer,Andreas Ringwald,S. Riordan,B. L. Roberts,D. A. Roberts,R. G. H. Robertson,F. Robicheaux,M. Rominsky,R. Roser,Jonathan L. Rosner,Carsten Rott,P. Rubin,N. Saito,Mcd Sanchez,Subir Sarkar,H. Schellman,B. Schmidt,M. H. Schmitt,D. W. Schmitz,J. Schneps,A. Schopper,Philip Schuster,A. J. Schwartz,M. Schwarz,J.T. Seeman,Yannis K. Semertzidis,K. K. Seth,Qaisar Shafi,P. Shanahan,R. Sharma,Stephen R. Sharpe,Masato Shiozawa,Vladimir Shiltsev,Kris Sigurdson,Pierre Sikivie,J. B. Singh,Dennis Sivers,T. Skwarnicki,N. D. Smith,Jan T. Sobczyk,H. W. Sobel,M. Soderberg,Y.H. Song,Amarjit Soni,Paul Souder,A. Sousa,J. Spitz,M. Stancari,G.C. Stavenga,Jason H. Steffen,S. Stepanyan,D. Stoeckinger,Sheldon Stone,James Strait,Matt Strassler,I. A. Sulai,Raman Sundrum,R. Svoboda,B. Szczerbinska,A. M. Szelc,Tatsu Takeuchi,Philip Tanedo,S. Taneja,J. Tang,David B. Tanner,Rex Tayloe,Ian Taylor,J. C. Thomas,C. E. Thorn,X. Tian,B. G. Tice,Michael E. Tobar,N. Tolich,Natalia Toro,I.S. Towner,Yuhsin Tsai,R. Tschirhart,C. Tunnell,M. Tzanov,Amol Upadhye,J. Urheim,S. E. Vahsen,Arkady Vainshtein,E. Valencia,R. G. Van de Water,R. S. Van de Water,Mayda Velasco,Julia Vogel,Petr Vogel,Werner Vogelsang,Y.W. Wah,D. Walker,Neal Weiner,Amanda Weltman,R. A. Wendell,W. C. Wester,Matthew Wetstein,Christopher G. White,L. Whitehead,J. J. Whitmore,Eberhard Widmann,Günter Wiedemann,J. F. Wilkerson,G. Wilkinson,Paul Wilson,Robert Wilson,Walter Winter,Mark B. Wise,J. Wodin,Stanley G. Wojcicki,Bogdan Wojtsekhowski,T. Wongjirad,E. T. Worcester,Jonathan Wurtele,T. Xin,J. Xu,Taku Yamanaka,Y. Yamazaki,Itay Yavin,J. Yeck,M. Yeh,Masashi Yokoyama,J. Yoo,A. Young,E. D. Zimmerman,Konstantin Zioutas,Michael S. Zisman,Jure Zupan,R. Zwaska +466 more
TL;DR: The 2011 Workshop on Fundamental Physics at the Intensity Frontier as discussed by the authors identified and described opportunities at the intensity frontier in the areas of heavy quarks, charged leptons, neutrinos, proton decay, new light weakly-coupled particles, and nucleons, nuclei, and atoms.
Journal ArticleDOI
Jet Substructure at the Tevatron and LHC: New results, new tools, new benchmarks
A. Altheimer,S. Arora,L. Asquith,G. Brooijmans,Jonathan Butterworth,Manuela Campanelli,B. Chapleau,A. E. Cholakian,A. E. Cholakian,John Paul Chou,Mrinal Dasgupta,A. R. Davison,James Dolen,Stephen D. Ellis,Rouven Essig,Rouven Essig,JiJi Fan,Richard D Field,Alessandro Fregoso,Jason Gallicchio,Yuri Gershtein,A. Gomes,Andy Haas,Eva Halkiadakis,V. Halyo,Stefan Hoeche,Anson Hook,Andrew Hornig,Peisi Huang,Eder Izaguirre,Martin Jankowiak,Graham D. Kribs,Graham D. Kribs,David Krohn,Andrew J. Larkoski,Amitabh Lath,Christopher Lee,Seung Joon Lee,P. Loch,Petar Maksimovic,M. Martinez,David Miller,Tilman Plehn,K. Prokofiev,R. Rahmat,Salvatore Rappoccio,Alexei Safonov,Gavin P. Salam,Gavin P. Salam,Gavin P. Salam,Steffen Schumann,Matthew D. Schwartz,A. Schwartzman,Michael H. Seymour,Jing Shao,P. Sinervo,M. Son,Davison E. Soper,Michael Spannowsky,Iain W. Stewart,Matthew J. Strassler,E. Strauss,Michihisa Takeuchi,Jesse Thaler,Scott Thomas,Brock Tweedie,R. Vasquez Sierra,Christopher K. Vermilion,Christopher K. Vermilion,M. Villaplana,Marcel Vos,Jay G. Wacker,D. Walker,Jonathan R. Walsh,L.-T. Wang,S. Wilbur,W. Zhu +76 more
TL;DR: In this article, the status of and outlook for calculation and simulation tools for studying jet substructure is reviewed, focusing on the set of variables and grooming methods that are collectively known as "top taggers".