1.
Phys Rev Lett
; 91(9): 091801, 2003 Aug 29.
Article
in English
| MEDLINE
| ID: mdl-14525170
ABSTRACT
Fermilab experiment E835 has observed (-)pp annihilation production of the charmonium state chi(c0) and its subsequent decay into pi(0)pi(0). Although the resonant amplitude is an order of magnitude smaller than that of the nonresonant continuum production of pi(0)pi(0), an enhanced interference signal is evident. A partial wave expansion is used to extract physics parameters. The amplitudes J=0 and 2, of comparable strength, dominate the expansion. Both are accessed by L=1 in the entrance (-)pp channel. The product of the input and output branching fractions is determined to be B((-)pp-->chi(c0))xB(chi(c0)-->pi(0)pi(0))=(5.09+/-0.81+/-0.25)x10(-7).
2.
Phys Rev D Part Fields
; 54(11): 7067-7070, 1996 Dec 01.
Article
in English
| MEDLINE
| ID: mdl-10020715
3.
Phys Rev D Part Fields
; 52(9): 4839-4854, 1995 Nov 01.
Article
in English
| MEDLINE
| ID: mdl-10019708
4.
Phys Rev D Part Fields
; 48(7): 3037-3044, 1993 Oct 01.
Article
in English
| MEDLINE
| ID: mdl-10016557
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7.
Phys Rev D Part Fields
; 47(3): 772-783, 1993 Feb 01.
Article
in English
| MEDLINE
| ID: mdl-10015638
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