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Titolo:
ANALYZING POWERS IN (P)OVER-RIGHT-ARROW-P-]PN-PI(-WAVE AND P-WAVE AMPLITUDES NEAR-THRESHOLD() AND DETERMINATION OF PION S)
Autore:
DAEHNICK WW; FLAMMANG RW; DYTMAN SA; TEDESCHI DJ; THOMPSON RA; VRANA T; FOSTER CC; HARDIE JG; JACOBS WW; RINCKEL T; STEPHENSON EJ; PANCELLA PV; BROOKS WK;
Indirizzi:
UNIV PITTSBURGH,DEPT PHYS & ASTRON PITTSBURGH PA 15260 INDIANA UNIV,CYCLOTRON FACIL BLOOMINGTON IN 47405 WESTERN MICHIGAN UNIV,DEPT PHYS KALAMAZOO MI 49008 THOMAS JEFFERSON NATL ACCELERATOR FACIL NEWPORT NEWS VA 23606
Titolo Testata:
Physics letters. Section B
fascicolo: 3-4, volume: 423, anno: 1998,
pagine: 213 - 218
SICI:
0370-2693(1998)423:3-4<213:API(AP>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
REACTION NEAR-THRESHOLD; TOTAL CROSS-SECTION; PP->PP-PI(0); EXCHANGE; P+P->P+P+PI-0; NN->D-PI;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
36
Recensione:
Indirizzi per estratti:
Citazione:
W.W. Daehnick et al., "ANALYZING POWERS IN (P)OVER-RIGHT-ARROW-P-]PN-PI(-WAVE AND P-WAVE AMPLITUDES NEAR-THRESHOLD() AND DETERMINATION OF PION S)", Physics letters. Section B, 423(3-4), 1998, pp. 213-218

Abstract

Analyzing powers were measured and used to quantify the observation that a-wave processes dominate near threshold. Values of A(gamma)(theta(pi),phi(pi) = 0 degrees) are presented for eta values of 0.22, 0.42 and 0.50. Maximum analyzing powers A(N0) are equal to -0.13, -0.24, and-0.28, respectively. A partial wave analysis, made possible by the new analyzing powers and available cross sections, indicates that the a-wave contribution to the cross section constitutes about 91% of the total cross section at eta = 0.22, or 300 MeV. It decreases to about 75%for eta = 0.5. (C) 1998 Elsevier Science B.V.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 13:59:55