Measurement of pi(0)pi(0) Production in the nuclear medium by pi(-) Interactions at 0.408 GeV/c

Authors
Starostin, A Staudenmaier, HM Allgower, CE Bekrenev, V Berger, E Briscoe, WJ Clajus, M Comfort, JR Craig, K Grosnick, D Isenhower, D Knecht, N Koetke, D Koulbardis, A Kozlenko, N Kruglov, S Kycia, T Lolos, G Lopatin, I Manley, DM Manweiler, B Marusic, A McDonald, S Nefkens, BMK Olmsted, J Papandreou, Z Peaslee, D Peterson, RJ Phaisangittisakul, N Prakhov, S Pulver, M Ramirez, AF Sadler, M Shafi, A Slaus, I Spinka, H Stanislaus, S Supek, I Tippens, WB
Citation
A. Starostin et al., Measurement of pi(0)pi(0) Production in the nuclear medium by pi(-) Interactions at 0.408 GeV/c, PHYS REV L, 85(26), 2000, pp. 5539-5542
Citations number
21
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
85
Issue
26
Year of publication
2000
Part
1
Pages
5539 - 5542
Database
ISI
SICI code
0031-9007(200012)85:26<5539:MOPPIT>2.0.ZU;2-Z
Abstract
We report on an investigation of the (pi (-), pi (0)pi (0)) reaction by mea ns of measurements of the pi (0)pi (0) invariant mass distributions from pi (-) interactions on H. D, C, Al, and Cu targets at p(pi-) = 0.408 GeV/c. T he sharp, strong peak in the pi (+)pi (-) invariant mass near 2m(pi) report ed by the CHAOS Collaboration is not seen in our pi (0)pi (0) data. However , we do observe a change in the shape of the pi (0)pi (0) invariant mass sp ectrum for the different targets, indicating that the pi (0)pi (0) interact ion diminishes in the nuclear medium as represented by nuclei D, C, Al, and Cu, compared to hydrogen.