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A statistic is found to combinatorially generate the cycle-counting q-hit numbers, defined algebraically by Haglund (Adv. in Appl. Math. 17:408-459, 1996). We then define the notion of a cycle-Mahonian pair of statistics (generalizing that of a Mahonian statistic), and show that our newly discovered statistic is part of such a pair. Finally, we note a… (More)

- I . Juricic, al G . Goldhaber, +27 authors T . Schaadtml
- 1988

(4 and DEAC02-76ER03064 (Harvard). Present address: Columbia University, New York, NY 10027. (*) Present address: University of Chicago, Chicago, IL 60637. (4 Present address: Harvard University, Cambridge, MA 02138. (4 Present address: Therma-Wave Corp., Fremont, CA 94539. (4 Present address: Brookhaven National Laboratory, Upton, NY 11973. (f) Present… (More)

- R. Balest, K. Cho, +126 authors D . Sperka
- 1994

We have used the CLEO-II detector at the Cornell Electron Storage Ring to study the inclusive production of charmonium mesons in a sample of 2.15 million BB events. We nd inclusive branching fractions of (1.130.040.06)% for B!J==X, (0.340.040.03)% for B! 0 X, and (0.400.060.04)% for B! c1 X. We also nd some evidence for the inclusive production of c2. An… (More)

- Yasue Kubota, M . Lattery, +109 authors Nicole Hancock
- 1994

Using the CLEO-II detector, we have obtained evidence for a new meson decaying to D0K+. Its mass is 2573:2+1:7 1:6 0:8 0:5 MeV/c2 and its width is 16+5 4 3 MeV/c2. Although we do not establish its spin and parity, the new meson is consistent with predictions for an L = 1, S = 1, JP = 2+ charmed

- Gordon S Abrams, D. Amideicb, +35 authors John M. Yelton
- 1988

. The process e+e+ e+e-y(y), where one electron scatters at a small angle, is studied with data from the Mark11 detector at the PEP storage ring. The data are in excellent agreement with a Monte Carlo calculation and include a large contribution from order (u4. The ratio of measured to calculated cross sections is, R = 0.993 f 0.017 f 0.015, where the first… (More)

We evaluate fπ/mρ, fK/mρ, 1/fρ, and mφ/(fφmρ), extrapolated to physical quark mass, zero lattice spacing and infinite volume, for lattice QCD with Wilson quarks in the valence (quenched) approximation. The predicted ratios differ from experiment by amounts ranging from 12% to 17% equivalent to between 0.9 and 2.8 times the corresponding statistical… (More)

- Fred Butler
- 2006

We prove symmetry, and in some cases symmetry and unimodality, of polynomials related to the q, x, y-hit numbers introduced by Haglund. These results generalize theorems proven by Haglund for the q-hit numbers. We also apply one of these results to obtain a corollary concerning a generalization of the Eulerian numbers. Résumé. Nous prouvons la symétrie et… (More)

We evaluate fπ/mρ, fK/mρ, 1/fρ, and mφ/(fφmρ), extrapolated to physical quark mass, zero lattice spacing and infinite volume, for lattice QCD with Wilson quarks in the valence (quenched) approximation. The predicted mφ/(fφmρ) differs from experiment by less than its statistical uncertainty of approximately 15%. The other three constants are 10% to 20% below… (More)

- David Cinabro, T. Liu, +87 authors S. Yang
- 1994

- CHARGED MESON, Joseph H. Boyer, +33 authors C. Zaiser
- 1985

The cross section for the production of a+~or K+Kpairs in 77 interactions is measured for rn.. between 1.7 and 3.5 GeV/c2 and for two intervals of 77 center of mass scattering angle. Results are compared with predictions of a QCD model. Submitted to Physical Review Letters *This work was supported in part by the Department of Energy under contracts… (More)