BaBar Results on E+ E- ---> P Anti-P By Means of ISR
Conference
·
OSTI ID:876607
BaBar has measured with unprecedented accuracy the e{sup +}e{sup -} {yields} p{bar p} cross section from the threshold up to Q{sub p{bar p}}{sup 2} {approx} 20 GeV{sup 2}/c{sup 4}, finding out an unexpected cross section, with plateaux and negative steps. Evidence for a ratio |G{sub E}/G{sub M}| > 1 has also been found as well as a sudden variation in |G{sub M}| just above the threshold.
- Research Organization:
- Stanford Linear Accelerator Center (SLAC)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 876607
- Report Number(s):
- SLAC-PUB-11699; hep-ph/0512183
- Country of Publication:
- United States
- Language:
- English
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