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Featured researches published by N. Seeman.


Il Nuovo Cimento | 1958

Cross sections for K−−p interactions

R. G. Glasser; N. Seeman; G. A. Snow

SummaryNine K−+p elastic scattering events and eight K− + p → → ɛ±+π∓ avents have been observed in nuclear emulsion. These events yield Σ(k−+ p→ k−+ p) = 33−9+12mb and Σ(k−+ p → ɛ+− + π−+)= 29−9+12mb averaged over the energy region 0/82 MeV. The data indicate that Σ(k− + p → ɛ+− + π−+)rises as the K− energy decreases.RiassuntoIn emulsione nucleare si sono osservati 9 scattering elastici K−+P e 8 K−+p → → ɛ + π−+. Questi eventi danno, mediando sull’intervallo energetico 0/82 MeV, (k−+ p→ k−+ p) = 33−9+13mb e Σ(k−+ p → ɛ+− + π−+)= 29−9+12mb. I risultati indicano che Σ(k− + p → ɛ+− + π−+)cresce mentre l’energia del K− decresce.


Il Nuovo Cimento | 1958

K− interactions with free protons in nuclear emulsion

R. G. Glasser; N. Seeman; G. A. Snow

SummaryA total of 19 (K-, p) elastic scattering events and 14 K−+p → →±+π∓ events in flight have been found, including the results reported previously. Averaging over the energy region (0 ÷ 82) MeV, the cross sections are respectively, σe = (37-9+9) mb and σa= (27-6+8) mb. The best estimate of the Σ+/Σ- ratio at production is 1.2-0.6+1.0.RiassuntoCompresi i risultati precedentemente riferiti si sono trovati in totale 19 eventi di scattering elastico (K-, p) e 14 eventi K-+p → Σ±+π∓ in volo. Mediando sull’intervallo d’energia (0÷ 82) MeV le sezioni d’urto sono rispettivamente σe=(37-9+9) mb e σa= (27-6+8) mb. Il miglior valore del rapporte Σ+/Σ- alla produzione ÷ 1.2-0.6+1.0.


Il Nuovo Cimento | 1956

Analysis of an electron shower associated with a very energetic He nucleus

N. Seeman; E. G. Glasser

SummaryAn event has been observed which is interpreted as the direct production of an electron pair by a helium nucleus of the cosmic radiation. The primary helium nucleus has a measured energy of (1.7 ± 0.5) · 105 GeV. The pair has an energy of 20± 4 GeV and initiates an electron shower.RiassuntoSi è osservato un evento che si interpreta come la produzione diretta di una coppia di elettroni da parte di un nucleo di elio della radiazione cosmica. Il nucleo d’elio primario ha un’energia misurata di (1.7 ± 0.5)-105 GeV. La coppià ha un’energia di 20 ± 4 GeV e dà inizio a uno sciame elettronico.


Physical Review | 1965

LOW-ENERGY K

M. Sakitt; N. Seeman; W.E. Humphrey; J.H. Friedman; R. G. Glasser; T. B. Day; R.R. Ross


Physical Review | 1967

sup -

R.P. Uhlig; G.R. Charlton; P.E. Condon; R. G. Glasser; G.B. Yodh; N. Seeman


Physical Review | 1964

-MESON INTERACTIONS IN HYDROGEN

H. W. J. Courant; H. Filthuth; P. Franzini; A. Minguzzi-Ranzi; A. M. Segar; R. Engelmann; V. Hepp; E. E. Kluge; R. A. Burnstein; T. B. Day; R. G. Glasser; A. J. Herz; Brandt Kehoe; B. Sechi-Zorn; N. Seeman; G. A. Snow; W. Willis


Physical Review | 1957

BRANCHING RATIOS FOR Y

R. G. Glasser; N. Seeman; G. A. Snow


Physical Review | 1957

sub 1

R. G. Glasser; N. Seeman; G. A. Snow


Physical Review Letters | 1963

*(1755).

R. A. Burnstein; T. B. Day; F. Martin; M. Sakitt; R. G. Glasser; N. Seeman; A. J. Herz


Il Nuovo Cimento | 1961

Leptonic Decays Charged Sigma Hyperons and the DeltaS = DeltaQ Selection Rule

R. G. Glasser; N. Seeman; Y. Prakash; G. A. Snow; P. H. Steinberg

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R. G. Glasser

United States Naval Research Laboratory

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G. A. Snow

University of Maryland

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P.E. Condon

University of California

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H. W. J. Courant

Massachusetts Institute of Technology

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V. Hepp

Heidelberg University

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E. G. Glasser

United States Naval Research Laboratory

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