ITA
ENG

Medium modifications of the pion-pion interaction: A search for double pionic fusion in N-14+d -> O-16+2 pi reactions - art. no. 038201

Authors

Andersson, M Bargholtz, C Blomquist, J Fransson, K Fumero, E Holmberg, L Lindh, K Martensson, L Tegner, PE Rolander, KW

Citation

M. Andersson et al., Medium modifications of the pion-pion interaction: A search for double pionic fusion in N-14+d -> O-16+2 pi reactions - art. no. 038201, PHYS REV C, 6403(3), 2001, pp. 8201

Citations number

Categorie Soggetti

Physics

Journal title

PHYSICAL REVIEW C

ISSN journal

05562813 → ACNP

Volume

6403

Issue

Year of publication

2001

Database

ISI

SICI code

0556-2813(200109)6403:3<8201:MMOTPI>2.0.ZU;2-E

Abstract

Double pion production in the reaction N-14 + d --> O-16* + 2 pi has been i nvestigated 99 MeV above the 2 pi (0) threshold in the center-of-mass frame by recoil detection. Upper limits (2 standard deviations) to the different ial cross sections for producing O-16 in a particle-stable state and pion p airs in the invariant mass range of 270 to 310 MeV/c(2), d sigma /d Omega ( 0 degrees)(c.m.) < 1.7 nb/sr and d<sigma>/d Omega (180 degrees)(c.m.)< 1.3 nb/sr, were obtained. For invariant masses above 310 MeV/c(2) an upper limi t to the cross section of 7 nb was obtained, assuming a constant production matrix element.