Roberto, Kerstin,
thanks for writing the abstract, which is fine with me: generic
enough to match whatever will be ready by EPS. The goal of course is to
include _everything_
Ciao, Concezio.
===
Concezio Bozzi
INFN Sezione di Ferrara Stanford Linear Accelerator Center
Via Paradiso, 12 2575 Sand Hill Road, MS 41
I-44100 FERRARA Menlo Park, CA 94025
ITALY U.S.A.
tel : +39-0532-781898 tel : +1-(650)-926-2972
fax : +39-0532-762059 fax : +1-(650)-926-3300
mail: [log in to unmask] mail: [log in to unmask]
-----------------------------------------------------------------------------
...era un mondo adulto, si sbagliava da professionisti...
(Paolo Conte, Boogie)
-----------------------------------------------------------------------------
On Thu, 29 Mar 2007, Roberto Sacco wrote:
> Hi all,
>
> we came up with the following title/abstract:
>
> Measurement of Partial Branching Fractions for Inclusive
> Charmless Semileptonic $B$ Decays, Extraction of $|V_{ub}|$ and
> Determination of non-Perturbative OPE Parameters
> from the Hadronic Mass Spectrum
>
> ABSTRACT
> --------
> Charmless semileptonic decays, $B \rightarrow X_u \ell \bar{\nu}$,
> are studied in a sample of 383 million $B \overline{B}$ decays recorded
> with the BaBar detector, in events where the decay of the second B meson
> is fully reconstructed. Distributions of various kinematic variables
> characterising $B \righarrow X_u \ell \bar{\nu}$ decays are studied.
> Partial branching fractions $\Delta {\mathcal B} (B \righarrow X_u \ell \bar{\nu})$
> are measured in kinematic regions where the dominant background from
> semileptonic $B$ decays to charm is reduced. The CKM matrix element $|V_{ub}|$
> is extracted by using theoretical calculations of phase space acceptances.
> Furthermore, we determine the spectrum of the hadronic system $X_u$
> after unfolding for acceptance and detector effects. From an analysis of
> the first three truncated spectral moments we determine the value of
> the $b$-quark mass $m_b$ together with the leading parameters of the
> $1/m_b^2$ and $1/m_b^3$ terms in the OPE.
>
>
> Do you like it? Do you want to see it changed? Should it be more general/detailed?
> Let us know!
>
> Cheers,
>
> Kerstin and Roberto
>
