S
S. Kowalski
Researcher at Massachusetts Institute of Technology
Publications - 162
Citations - 4965
S. Kowalski is an academic researcher from Massachusetts Institute of Technology. The author has contributed to research in topics: Scattering & Elastic scattering. The author has an hindex of 38, co-authored 151 publications receiving 4589 citations.
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Journal ArticleDOI
A Small Proton Charge Radius From an Electron-Proton Scattering Experiment
W. Xiong,Ashot Gasparian,Haiyan Gao,Dipangkar Dutta,M. Khandaker,Nilanga Liyanage,E. Pasyuk,C. Peng,X. Bai,L. Ye,Kondo Gnanvo,C. Gu,M. Levillain,X. Yan,Douglas Higinbotham,M. Meziane,Z. Ye,Z. Ye,K. P. Adhikari,B. Aljawrneh,H. Bhatt,D. Bhetuwal,J. Brock,Volker D. Burkert,C. Carlin,A. Deur,D. Di,J. A. Dunne,P. Ekanayaka,L. El-Fassi,B. Emmich,L. Gan,O. Glamazdin,M. L. Kabir,A. Karki,C. D. Keith,S. Kowalski,V. Lagerquist,I. Larin,I. Larin,Tiehui Liu,A. Liyanage,James Maxwell,D. G. Meekins,S. J. Nazeer,Vladimir Nelyubin,H. Nguyen,R.S. Pedroni,C. F. Perdrisat,J. Pierce,V. A. Punjabi,M. H. Shabestari,A. Shahinyan,R. Silwal,S. Stepanyan,A. Subedi,V. V. Tarasov,N. Ton,Yuelin Zhang,Z. W. Zhao +59 more
TL;DR: The smaller r p the authors have now measured supports the value found by two previous muonic hydrogen experiments, and agrees with the revised value for the Rydberg constant, one of the most accurately evaluated fundamental constants in physics.
Journal ArticleDOI
The Strange Quark Contribution to the Proton's Magnetic Moment
D. T. Spayde,Douglas H Beck,R. Hasty,T. Averett,D. Barkhuff,G. W. Dodson,K. A. Dow,M. Farkhondeh,W. Franklin,Evgeni Tsentalovich,Bao Yang,T. Zwart,E. J. Beise,H. Breuer,Raphael Noel Tieulent,R. Carr,S. Covrig,B. W. Filippone,Takeyasu M. Ito,R. D. McKeown,Wolfgang Korsch,S. Kowalski,B. Mueller,Michael Pitt,Michael J. Ramsey-Musolf,J. Ritter,S. Wells +26 more
TL;DR: In this paper, a new determination of the strange quark contribution to the proton's magnetic form factor at a four-momentum transfer Q 2 = 0.26±0.07 was reported.
Journal ArticleDOI
Measurement of Strange-Quark Contributions to the Nucleon's Form Factors at Q 2 =0.230 (GeV/c) 2
F. E. Maas,P. Achenbach,K. Aulenbacher,S. Baunack,L. Capozza,J. Diefenbach,K. Grimm,Y. Imai,T. Hammel,D. von Harrach,E.-M. Kabuss,R. Kothe,Jongmin Lee,A. Lorente,A. Lopes Ginja,L. Nungesser,E. Schilling,G. Stephan,C. Weinrich,I. Altarev,J. Arvieux,B. Collin,R. Frascaria,M. Guidal,R.A. Kunne,D. Marchand,M. Morlet,S. Ong,J. Van de Wiele,S. Kowalski,B. Plaster,R. Suleiman,S. Taylor +32 more
TL;DR: The A4 experiment is the first parity violation experiment to count individual scattering events and measurement of the parity-violating asymmetry in the scattering of longitudinally polarized electrons on unpolarized protons is reported on.
Journal ArticleDOI
Evidence for Strange-Quark Contributions to the Nucleon's Form Factors at Q^2 = 0.108 (GeV/c)^2
F. E. Maas,K. Aulenbacher,S. Baunack,L. Capozza,J. Diefenbach,B. Gläser,T. Hammel,D. von Harrach,Y. Imai,E.-M. Kabuss,R. Kothe,Jongmin Lee,A. Lorente,E. Schilling,D. Schwaab,M. Sikora,G. Stephan,G. Weber,C. Weinrich,I. Altarev,J. Arvieux,M. A. El-Yakoubi,R. Frascaria,R.A. Kunne,M. Morlet,S. Ong,J. Van de Wiele,S. Kowalski,B. Plaster,R. Suleiman,S. Taylor +30 more
TL;DR: A measurement of the parity violating asymmetry in the elastic scattering of polarized electrons off unpolarized protons with the A4 apparatus at MAMI in Mainz at a four momentum transfer value of Q(2)=0.108 (GeV/c)(2) and the value for G(s)(E)+0.106G(s) to be positive is found at an improved significance level of two sigma.
Journal ArticleDOI
Precision Measurements of the Nucleon Strange Form Factors at Q 2 ∼ 0.1 GeV 2
A. Acha,K. A. Aniol,D. S. Armstrong,John Arrington,T. Averett,S. L. Bailey,J. Barber,A. Beck,H. Benaoum,J. Benesch,P.Y. Bertin,P. Bosted,F. Butaru,E. Burtin,G. D. Cates,Y. C. Chao,J. P. Chen,E. Chudakov,E. Cisbani,B. Craver,F. Cusanno,R. De Leo,P. Decowski,A. Deur,R. J. Feuerbach,J. M. Finn,S. Frullani,S. Fuchs,K. Fuoti,Ronald Gilman,Ronald Gilman,Lindsay Glesener,K. Grimm,J. Grames,J. O. Hansen,J. Hansknecht,Douglas Higinbotham,R. Holmes,T. Holmstrom,H. F. Ibrahim,C. W. de Jager,X. Jiang,Joseph M. Katich,L. J. Kaufman,A. Kelleher,P. M. King,A. Kolarkar,S. Kowalski,E. Kuchina,K. S. Kumar,L. Lagamba,Peter S. LaViolette,J. J. LeRose,R. A. Lindgren,D. Lhuillier,Nilanga Liyanage,D. J. Margaziotis,Pete Markowitz,D. G. Meekins,Z. E. Meziani,R. Michaels,Bryan J. Moffit,S. K. Nanda,V. Nelyubin,V. Nelyubin,K. Otis,Kent Paschke,S. K. Phillips,M. Poelker,R. I. Pomatsalyuk,M. Potokar,Y. Prok,A. J. R. Puckett,Xin Qian,Yujie Qiang,B. Reitz,J. Roche,A. Saha,B. Sawatzky,Jaideep Singh,Karl Slifer,S. Širca,R. Snyder,P. Solvignon,Paul Souder,M. Stutzman,R. Subedi,R. Suleiman,V. Sulkosky,William A. Tobias,P. E. Ulmer,G. M. Urciuoli,K. Wang,A. Whitbeck,Richard Wilson,Bogdan Wojtsekhowski,H. Yao,Y. X. Ye,X. Zhan,X. Zheng,X. Zheng,S. Zhou,V. Ziskin +102 more
TL;DR: In this article, the parity-violating asymmetry A_PV in elastic scattering of 3 GeV electrons off hydrogen and 4He targets with ~6.0 degrees was measured.