Monroe S. Rabin
University of California, Berkeley
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Featured researches published by Monroe S. Rabin.
Physics Letters B | 1972
S.M. Flatte; M. Alston-Garnjost; A. Barbaro-Galtieri; Jerome H. Friedman; G.R. Lynch; S.D. Protopopescu; Monroe S. Rabin; F.T. Solmitz
Abstract The character of the ππ s-wave scattering amplitude near 980 MeV is determined from the reactions π + p→‡ ++ π + π − and ‡ ++ K + K − at 7GeV/c.
Physics Letters B | 1971
M. Alston-Garnjost; A. Barbaro-Galtieri; S.M. Flatte; Jerome H. Friedman; G.R. Lynch; S.D. Protopopescu; Monroe S. Rabin; F.T. Solmitz
Abstract An anomaly at 980 MeV is seen in both the mass distribution and angular distribution of the π + π − system produced in the reaction π + p → Δ ++ π + π − at 7 GeV/ c . Experimental results for the related final states Δ ++ K + K − , Δ ++ π + π − π + π − and Δ ++ π + π − (neutrals) are presented.
IEEE Transactions on Nuclear Science | 1969
C. K. Sinclair; Joseph J. Murray; Paul R. Klein; Monroe S. Rabin
Compton scattering of ruby laser light from a high energy electron beam at SLAC has been employed to produce a highly polarized, partially monochromatic photon beam of energy up to 7 GeV.
Physics Letters B | 1972
M. Alston-Garnjost; K.W. Barnham; Monroe S. Rabin; A. Barbaro-Galtieri; S.M. Flatte; Jerome H. Friedman; G.R. Lynch; J.N. MacNaughton; F.T. Solmitz; C. Risk; W. D. Shephard; J.T. Powers; N. Biswas; N. M. Cason; V.P. Kenney; D.W. Thomas
Abstract We present data on the inclusive distributions π + p → π ± + anything and π − p → π − + anything at momenta from 3.7 to 18.5 GeV/ c . Distributions are presented in the laboratory, center-of-mass and projectile systems, and the approach to scaling is discussed.
Physics Letters B | 1970
M. Alston-Garnjost; A. Barbaro-Galtieri; W.F. Buhl; Stephen E. Derenzo; L.D. Epperson; S.M. Flatte; Jerome H. Friedman; G.R. Lynch; R.L. Ott; S.D. Protopopescu; Monroe S. Rabin; F.T. Solmitz
Abstract The A 2 mass spectrum is studied in the reaction π + p→A 2 + p atZZ 7 GeV/ c in a hydrogen bubble chamber in order to investigate previously reported structure. We report on 1400 A 2 events with mass resolutions of 3.8, 6.7 and 9.2 MeV in the K + K 0 , 3π and ηπ + channels.
Nuclear Physics | 1972
Philip J. Davis; M. Alston-Garnjost; A. Barbaro-Galtieri; S.M. Flatte; Jerome H. Friedman; G.R. Lynch; Monroe S. Rabin; F.T. Solmitz; Norman M. Uyeda
We present experimental distributions for the reactions K+p → pK+φ, φ → K−K+ and K+p → pK+ω, ω → π−π+π0 at 12 GeV/c. The data were obtained from a 35 events/μb exposure of the SLAC 82-inch HBC. The cross sections for these reactions are (11 ± 1) μb and (47 ± 3) μb. We observe Kφ, Kω, and pω low-mass enhancements with no evidence for narrow structure. The momentum-transfer and angular-decay spectra of these systems are presented.
Physics Letters B | 1971
M. Alston-Garnjost; A. Barbaro-Galtieri; W.F. Buhl; Stephen E. Derenzo; L.D. Epperson; S.M. Flatte; Jerome H. Friedman; G.R. Lynch; R.L. Ott; S.D. Protopopescu; Monroe S. Rabin; F.T. Solmitz
Abstract The observed branching fractions of the A 2 + produced in the reaction π + p→A 2 + p at 7 GeV/ c and decaying to ϱπ, ηπ, K K and η′π are presented. The data show no convincing evidence for the decay A 2 + → η ′ π + , the branching fraction being less than 3%. For the other decay modes the values obtained for ϱπ, ηπ and K K are 0.744 ± 0.029, 0.183 ± 0.026 and 0.072 ± 0.012 respectively.
Physical Review Letters | 1971
J. Ballam; G.B. Chadwick; R. Gearhart; Zaven G. T. Guiragossian; M. Menke; Joseph J. Murray; P. Seyboth; A. Shapira; C. K. Sinclair; Ian O Skillicorn; Guenter Wolf; R. H. Milburn; H.H. Bingham; W.B. Fretter; K.C. Moffeit; William J. Podolsky; Monroe S. Rabin; Arthur H. Rosenfeld; R. Windmolders
1. Vertical scales for the density matrix elements p:O, Re p;O and piwl * are incorrectly labeled in Fig. 4. Change 0.4 to 0.2 and -0.4 to -0.2. Other density matrix elements and Pa are correctly labeled. 2. There are two typographical errors in Table IV: In IV-a (2.8 GeV Gottfried-Jackson system) for 0.06 5 It I I 0.15 GeV2, the value of 0 Re PlO is given as -0.14 f 0.04; it should be +O. 14 f 0.04. In IV-e (4.7 GeV helicity system) for 0.014 5 It I ,< 0.06 the value of pi-l should be -0.04 f 0.12; it is shown correctly in Fig. 4.
Nuclear Physics | 1971
K.C. Moffeit; H. H. Bingham; W. B. Fretter; W. J. Podolsky; Monroe S. Rabin; Arthur H. Rosenfeld; R. Windmolders; J. Ballam; G. B. Chadwick; R. Gearhart; Zaven G. T. Guiragossian; M. Menke; J. J. Murray; P. Seyboth; A. Shapira; C.K. Sinclair; I.O. Skillicorn; Guenter Wolf; R. H. Milburn
We have examined the reaction γp → π+π−p for evidence of ϱo − ω interference. Assuming the ratio of the ϱo and ω-photoproduction amplitudes to be |Aϱ/Aω|2 = 7.1 ± 0.7, we find that the Re(δeiβ) = 2.3 ± 0.9 MeV and Im (δeiβ) = −0.4 ± 0.9 MeV, where δ(≈ 2.3 MeV) is the mass mixing parameter and β(≈ −9o) is the relative phase of the ϱo −ω amplitudes. Our result, obtained using a hydrogen bubble chamber, agrees with the high-statistics Daresbury result using photoproduction on carbon.
Nuclear Instruments and Methods | 1969
Roger Gearhart; Paul R. Klein; J.J. Murray; W.J. Podolsky; Monroe S. Rabin; C. K. Sinclair
Abstract We describe the design of a combination collimator-monitor used with the SLAC Compton-scattered photon beam facility. The beam is collimated to a half angle of 10 −5 rad and the monitor is sensitive to changes in beam steering of 10 −6 rad.