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Titolo:
RADIATIVE MUON-CAPTURE ON HYDROGEN AND THE INDUCED PSEUDOSCALAR COUPLING-CONSTANT
Autore:
HASINOFF MD; AHMAD S; ARMSTRONG DS; AZUELOS G; BERGBUSCH P; BERTL W; BLECHER M; CHEN CQ; DEPOMMIER P; DOYLE BC; VONEGIDY T; GORRINGE TP; GUMPLINGER P; HEALEY DC; JONKMANS G; LARABEE AJ; MACDONALD JA; MCDONALD SC; MUNRO M; POUTISSOU JM; POUTISSOU R; ROBERTSON BC; SAETTLER E; SAMPLE DG; SIGLER C; TAYLOR GN; WRIGHT DH; ZHANG NS;
Indirizzi:
UNIV BRITISH COLUMBIA VANCOUVER BC V6T 1Z1 CANADA UNIV TOKYO,INST NUCL STUDY TANASHI TOKYO 188 JAPAN TRIUMF VANCOUVER BC V6T 2A3 CANADA UNIV MONTREAL MONTREAL PQ H3C 3J7 CANADA VIRGINIA POLYTECH INST & STATE UNIV BLACKSBURG VA 24061 UNIV MELBOURNE PARKVILLE VIC 3052 AUSTRALIA COLL WILLIAM & MARY WILLIAMSBURG VA 23185 PAUL SCHERRER INST CH-5232 VILLIGEN SWITZERLAND UNIV KENTUCKY LEXINGTON KY 40506 QUEENS UNIV KINGSTON ON K7L 3N6 CANADA TECH UNIV MUNICH D-85748 GARCHING GERMANY
Titolo Testata:
Hyperfine interactions
fascicolo: 1-4, volume: 103, anno: 1996,
pagine: 181 - 188
SICI:
0304-3843(1996)103:1-4<181:RMOHAT>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
M.D. Hasinoff et al., "RADIATIVE MUON-CAPTURE ON HYDROGEN AND THE INDUCED PSEUDOSCALAR COUPLING-CONSTANT", Hyperfine interactions, 103(1-4), 1996, pp. 181-188

Abstract

The first observation of the elementary process mu(-)p --> v(mu)n gamma is reported. The muons were stopped in a purified liquid hydrogen target and captured mainly on the ortho p mu p molecule. The photons were converted to e(+)e(-) pairs which were analyzed in a medium-resolution high-acceptance magnetic spectrometer. This reaction is particularly sensitive to the pseudoscalar coupling constant, g(p), which was found to be: g(p)(q(2) = -0.88m(mu)(2)) = (10.0 +/- 0.9 +/- 0.3) . g(a)(0). This value of g(p), determined from the photon energy spectrum using a perturbation theory calculation based on tree-level Feynman diagrams, is similar to 1.5 times the theoretical value, (6.70 +/- 0.18) . g(a)(0).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/12/20 alle ore 13:31:42