C
C.A. Baker
Researcher at Rutherford Appleton Laboratory
Publications - 143
Citations - 5922
C.A. Baker is an academic researcher from Rutherford Appleton Laboratory. The author has contributed to research in topics: Annihilation & Ultracold neutrons. The author has an hindex of 36, co-authored 143 publications receiving 5501 citations.
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Journal ArticleDOI
Observation of a scalar resonance decaying to π+π−π0π0 in pp annihilation at rest
Claude Amsler,D. S. Armstrong,I. Augustin,C.A. Baker,B. M. Barnett,C.J. Batty,K. Beuchert,P. Birien,P. Blüm,R. Bossingham,K. Braune,J. Brose,D.V. Bugg,Mark J. Burchell,T. Case,A. Cooper,Kenneth M. Crowe,T. Degener,H. P. Dietz,S. von Dombrowski,Michael Doser,W. Dünnweber,D. Engelhardt,M. Englert,M. A. Faessler,C. Felix,G. Folger,R. Hackmann,R. P. Haddock,F. H. Heinsius,Nigel Hessey,Pàl Hidas,P. Illinger,D. Jamnik,Z. Jávorfi,H. Kalinowsky,B. Kämmle,T. Kiel,J. Kisiel,Eberhard Klempt,Michael Kobel,Herbert Koch,C. Kolo,K. Königsmann,Marcel Kunze,R. Landua,J. Lüdemann,H. Matthäy,M. Merkel,J. P. Merlo,C. A. Meyer,L. Montanet,A. Noble,F. Ould-Saada,K. Peters,C. N. Pinder,G. Pinter,S. Ravndal,J. Salk,A. H. Sanjari,E. Schäfer,Bernhard Schmid,P. Schmidt,S. Spanier,C. Straßburger,U. Strohbusch,M. Suffert,D. Urner,C. Völcker,F. Walter,D. Walther,U. Wiedner,N. Winter,J. Zoll,B. S. Zou,Č. Zupančič +75 more
TL;DR: In this paper, an analysis of p p annihilation at rest into ϱ + ϱ − π 0 leading to the final state π + π − 3 π0.
Journal ArticleDOI
High statistics study of ƒ0(1500)s decay into ηη
Claude Amsler,D. S. Armstrong,C.A. Baker,B.M. Barnett,C.J. Batty,K. Beuchert,P. Birien,P. Blüm,R. Bossingham,K. Braune,J. Brose,D.V. Bugg,Mark J. Burchell,T. Case,S. U. Chung,A. Cooper,O. Cramer,K.M. Crowe,T. Degener,H. P. Dietz,N. Djaoshvili,S. v. Dombrowski,Michael Doser,W. Dünnweber,D. Engelhardt,M. Englert,M. A. Faessler,C. Felix,P. Giarritta,R. Hackmann,R.P. Haddock,F.H. Heinsius,M. Herz,Nigel Hessey,Pàl Hidas,C. Holzhaussen,P. Illinger,D. Jamnik,H. Kalinowsky,B. Kalteyer,B. Kämmle,T. Kiel,J. Kisiel,Eberhard Klempt,Michael Kobel,Herbert Koch,C. Kolo,K. Königsmann,Marcel Kunze,M. Lakata,R. Landua,J. Lüdemann,H. Matthaey,R. McCrady,M. Merkel,J. P. Merlo,C. A. Meyer,L. Montanet,A. Noble,R. Ouared,F. Ould-Saada,K. Peters,C. N. Pinder,G. Pinter,S. Ravndal,C. Regenfus,S. Resag,E. Schäfer,P. Schmidt,R. Seibert,S. Spanier,H. Stöck,C. Straßburger,U. Strohbusch,M. Suffert,U. Thoma,M. Tischäuser,D. Urner,C. Völcker,F. Walter,D. Walther,U. Wiedner,J. Zoll,B. S. Zou,Č. Zuppančič +84 more
TL;DR: In this paper, a partial wave analysis of the reaction p p →π o ηη has been performed, using a high quality, high statistics data set of 198,000 events.
Journal ArticleDOI
Antiproton-proton annihilation at rest into K+K−π0
A. Abele,J. Adomeit,Claude Amsler,C.A. Baker,B.M. Barnett,B.M. Barnett,C.J. Batty,M. Benayoun,A. Berdoz,S. Bischoff,P. Blüm,K. Braune,D.V. Bugg,T. Case,O. Cramer,Kenneth M. Crowe,T. Degener,Michael Doser,W. Dünnweber,D. Engelhardt,M. A. Faessler,P. Giarritta,R.P. Haddock,F. H. Heinsius,F. H. Heinsius,M. Heinzelmann,A. Herbstrith,M. Herz,N.P. Hessey,Pàl Hidas,C. Hodd,C. Holtzhaußen,D. Jamnik,D. Jamnik,H. Kalinowsky,P. Kammel,J. Kisiel,J. Kisiel,Eberhard Klempt,Herbert Koch,Marcel Kunze,U. Kurilla,M. Lakata,R. Landua,H. Matthäy,R. McCrady,J. Meier,C. A. Meyer,R. Ouared,K. Peters,B. Pick,M. Ratajczak,C. Regenfus,W. Roethel,R. Seibert,Stefan M Spanier,Stefan M Spanier,H. Stöck,C. Straßburger,U. Strohbusch,M. Suffert,J.S. Suh,U. Thoma,M. Tischhäuser,I. Uman,C. Völcker,S. Wallis-Plachner,D. Walther,D. Walther,U. Wiedner,U. Wiedner,K. Wittmack,B.S. Zou +72 more
TL;DR: In this paper, the annihilation channel p p →K + K − π 0 in liquid hydrogen at rest has been studied with the Crystal Barrel detector at LEAR and the measured branching ratio is: BR (p p → K + K 0 )=(2.37± 0.15)×10 −3.
Journal ArticleDOI
P- versus S-wave pp-annihilation at rest in LH2
Claude Amsler,I. Augustin,C.A. Baker,B. M. Barnett,C.J. Batty,K. Beuchert,P. Birien,James A. Bistirlich,P. Blüm,R. Bossingham,H. Bossy,K. Braune,J. Brose,D.V. Bugg,Mark J. Burchell,T. Case,A. Cooper,Kenneth M. Crowe,H. P. Dietz,S. von Dombrowski,Michael Doser,W. Dünnweber,D. Engelhardt,M. Englert,M. A. Faessler,C. Felix,G. Folger,R. Hackmann,R. P. Haddock,F. H. Heinsius,Nigel Hessey,Pàl Hidas,P. Illinger,D. Jamnik,H. Kalinowsky,B. Kämmle,T. Kiel,J. Kisiel,Eberhard Klempt,Michael Kobel,Herbert Koch,C. Kolo,K. Königsmann,Marcel Kunze,R. Landua,J. Lüdemann,H. Matthaey,M. Merkel,J. P. Merlo,C. A. Meyer,U. Meyer-Berkhout,L. Montanet,A. Noble,K. Peters,G. Pinter,S. Ravndal,A. H. Sanjari,E. Schäfer,Bernhard Schmid,P. Schmidt,S. Spanier,C. Straβburger,U. Strohbusch,M. Suffert,D. Urner,C. Völcker,F. Walter,D. Walther,U. Wiedner,N. Winter,J. Zoll,Č. Zupančič +71 more
TL;DR: In this article, the annihilation p p →π 0 π 0 was measured for antiprotons stopped in liquid hydrogen (LH2), this reaction was only allowed from odd angular momentum states of the p p - atom.
Journal ArticleDOI
Combined analysis of meson channels with I=1, C=−1 from 1940 to 2410 MeV
A. V. Anisovich,C.A. Baker,C.J. Batty,D.V. Bugg,L. Montanet,V. A. Nikonov,A. V. Sarantsev,V.V. Sarantsev,B.S. Zou +8 more
TL;DR: New Crystal Barrel data are reported for p p→ωπ 0 and p p →ωηπ 0 with ω decaying to π+π−π0 as discussed by the authors, which is a valuable cross-check on systematic errors.