[Iac_hadron_2015] Recommendations Hadron

Brian Meadows meadowbt at ucmail.uc.edu
Sat Jan 31 12:57:20 EST 2015


Hello Mike:

Alberto et al have made a great suggestion, but I hope the title also 
allows decays of both mesons and baryons to light and heavy baryons.

...Brian


On Sat, 31 Jan 2015, Stephan Paul wrote:

> Dear colleagues,
> Indeed, the issue is very relevant for heavy flavour decay. I would, however,
> avoid a logical direction for this session but rather call it: 
> 
> "Heavy meson decays and the light meson spectrum“ or something like this..
> 
> Cheers
> Stephan
> 
> 
> Am 30.01.2015 um 12:50 schrieb Alberto Correa dos Reis <alberto at cbpf.br>:
>
>       Dear Mike and colleagues,
> 
>    I am glad to hear that a "light hadron from heavy flavor" session is
> planned.
> As a matter of fact, I was thinking more of a "heavy flavor from ligth
> hadron"
> session. In the past, in such a session people from HF community
> presented experimental results on light mesons, with a few theory talks on
> the
> interpretation of those results.  The emphasis this time would be on
> theory talks
> addressing the critical issues one has to face nowadays  in amplitude
> analysis
> of very large data sets,  with fewer, motivating experimental talks.
> 
> Best regards,
> Alberto.
> 
> 2015-01-29 18:12 GMT-02:00 Michael Pennington <michaelp at jlab.org>:
>       Alberto
>                 such a parallel session on "light hadron
>       spectroscopy from heavy flavor decays" is  planned,
>       with convenors to be announced shortly.
>
>                                               best wishes   Mike
>
>       ----- Original Message -----
>       From: "Alberto Correa dos Reis" <alberto at cbpf.br>
>       To: "stephan paul" <stephan.paul at cern.ch>
>       Cc: "Eulogio Oset" <Eulogio.Oset at ific.uv.es>, "iac hadron
>       2015" <iac_hadron_2015 at jlab.org>
>       Sent: Thursday, January 29, 2015 2:32:56 PM
>       Subject: Re: [Iac_hadron_2015] Recommendations Hadron
>
>       Dear colleagues,
>
>       in the past fifteen years decays of D and B mesons have been
>       playing an
>       important role in hadron spectroscopy. While primarily focused
>       on Flavor Physics,
>       experiments such as E791, FOCUS, CLEOc, BES, Belle, BaBar,
>       LHCb provided
>       many important measurements and discoveries: the sigma, the
>       kappa, and
>       other measurements that helped the understanding of the nature
>       of the light
>       scalars; the DsJ, the new XYZ hadrons, among other
>       contributions.
>
>       In recognition, in past editions of this conference series we
>       had sessions like
>       "Light quark spectroscopy from heavy meson decays". In what
>       concerns the
>       spectroscopy of light hadrons, I believe it is time to change
>       the direction of the arrow.
>
>       The ongoing experiments have collected very large samples of
>       heavy meson
>       decays. Soon a new generation of experiments will be
>       commissioned. This brings
>       us to a precision era in Flavor Physics. However, to fully
>       exploit the potential of this
>       large amount of very good data, performing accurate
>       measurements of the CKM
>       elements, mixing parameters, CP asymmetries, new Physics
>       searches, the input
>       from the hadron community is extremely necessary.
>
>       The theoretical and experimental progress in our understanding
>       of two-body
>       systems must be incorporated into the many-body environment of
>       hadronic
>       B and D decays, in a systematic and consistent way. A better
>       understanding of
>       the connection between quark and hadron degrees of freedom is
>       also in order,
>       a necessary ingredient for sound parameterizations of
>       nonresonant amplitudes.
>       FSI is a complex subject, involving three- and four-body
>       interactions, but it should
>       also be taken into account. The application of fundamental
>       principles and
>       symmetries, constraining the decay amplitudes is another
>       issue: in decays of
>       B_u mesons into three light hadrons, where CP asymmetries
>       reach up to 80%
>       in regions of the phase space, FSI may couple different decay
>       channels, such
>       as B+->K+K-K+ and B->K+pi-pi+, in a beautiful realization of
>       the CPT symmetry.
>
>       Before this becomes a manifesto, let me propose a parallel
>       session dedicated
>       to these subjects, a session containing both theory and
>       experimental talks. There
>       has been some scattered and disconnected initiatives in this
>       direction. I think the
>       Hadron conference would be a very appropriate occasion for
>       such discussions.
>
>       With my best regards,
>       Alberto.
>
>       2015-01-29 15:45 GMT-02:00 Stephan Paul < stephan.paul at cern.ch
>       > :
> 
>
>       Dear all
>
>       I wanted to make another suggestion for a talk/speaker.
>       Namely, COMPASS has published (PRL announced to come out next
>       week) the pion polarizability with good precision. In
>       addition, COMPASS had published dynamics of 3pi production at
>       low masses and shown that it fits nicely to a detailed
>       description of this process in 5D phase-space by ChiPT. We
>       expect to also present the same process with 2 neutral pions
>       in the final state, which probes the importance of loop
>       corrections, within 2015. I thus think that an overview talk
>       on ChiPT related experiments (not only COMPASS) would be
>       suitable. One candidate speaker, who has pushed the
>       corresponding COMPASS program and who understands the subject
>       at depth is J. Friedrich (TUM). I am not sure about the status
>       of the present program, but it could be a nice complement for
>       low energy QCD.
>
>       With kind regards
>       Stephan
> 
>
>       Am 14.01.2015 um 10:15 schrieb Eulogio Oset <
>       Eulogio.Oset at ific.uv.es >:
>
>       > Dear Mike: I am one of the people to get the email late. So
>       here go some comments.
>       > I support the choice
>       > SPECTROSCOPY OF MESONS & BARYONS:
>       > The Lambda(1405) (Tetsuo HYODO)
>       >
>       > I would suggest an additional more general talk on hadron
>       hadron interation, paying attention to symmetries, like chiral
>       symmetry, heavy quark spin symmetry, and the appearance of
>       dynamically generated resonances, or molecular hadronic states
>       from this interaction, in a broad spectrum of energies,
>       addressing the light, charm and bottom sectors, X,Y,Z states
>       etc.
>       > A person with a broad experience in this topic is Juan
>       Nieves
>       > Juan Miguel Nieves Pamplona < Juan.M.Nieves at ific.uv.es >
>       >
>       > HADRON SURPRISES
>       > I support the choice
>       > --QCD on the lattice: spectrum, scattering and structure
>       (Christian LANG)
>       >
>       > In addition it would be interesting a talk on Effective
>       theories in finite volume, since they are proving very useful
>       to interprete QCD lattice results and help determine
>       strategies to obtain optimal information from QCD lattice
>       simulations.
>       >
>       > People who could talk about that are
>       > Akaki Rusetski, Ulf Meissner, or two younger people Michael
>       Doring, or Alberto Martinez
>       >
>       > Ulf-G. Meissner < meissner at hiskp.uni-bonn.de >
>       > Akaki Rusetsky < rusetsky at hiskp.uni-bonn.de >
>       > Michael Doering < doring at gwu.edu >
>       > Alberto Martinez Torres < amartine at if.usp.br >
>       >
>       >
>       > LHCb is proving to be a factory of surprises with a
>       substantial contribution to hadron spectroscopy and useful
>       reactions telling about the nature of hadronic states.
>       >
>       > From the experimental side I could recommend two
>       experimentalists who have shown much interest in digging into
>       the meaning and repercussion of the measurements done
>       > Sheldon Stone and Tim Gershon.
>       > Sheldon Stone < stone at physics.syr.edu >
>       > Tim Gershon < T.J.Gershon at warwick.ac.uk >
>       >
>       > There has been a parallel revival of theoretical work
>       extracting interesting physics from these experiments, in
>       addition to Babar, Belle, Bes and others.
>       > I could suggest some young people for that
>       > Ju Jun Xie, 谢聚军 < xiejujun at impcas.ac.cn >
>       > Wei Hong Liang, liangwh < liangwh at gxnu.edu.cn >
>       > Miguel Albaladejo, Miguel Albaladejo Serrano <
>       miguel.albaladejo at ific.uv.es >
>       >
>       > QCD sum rules are still proving a useful tool to make
>       predictions on hadronic states.
>       > Good people for this subject can be
>       > Fernando Navarra or Marina Nielsen
>       > fernando Silveira Navarra < navarra at if.usp.br >
>       > marina Nielsen < mnielsen at if.usp.br >
>       >
>       > Jefferson Lab has interesting work related to hadron
>       spectroscopy with reactions like the photoproduction of the
>       f2(1279) or the f0(980). The photoproduction of the
>       Lambda(1405) is done by Schumacher and Moriya, although it has
>       been reported in may places already. On the lab issues you can
>       make your own selection.
>       >
>       > COMPASS and GLUEX will concentrate on three body issues. I
>       think it would be interesting to invite some theoretical
>       person who could report of hadronic three body states, two
>       mesons and a baryon, one meson and two baryons, three
>       mesons...
>       > I can suggest two people, Alberto Martinez and Daisuke Jido
>       > Alberto Martinez Torres < amartine at if.usp.br >
>       > jido >> Daisuke JIDO < jido at tmu.ac.jp >
>       >
>       > Good luck in the Conference.
>       >
>       > Eulogio
>       >
>       > --
>       > Eulogio Oset
>       > Departamento de Fisica Teorica and IFIC, Universidad de
>       Valencia
>       >
>       > Postal address:
>       > IFIC, Parque Cientifico de la Universidad de Valencia
>       > C/ Catedratico Jose Beltran, 2
>       > 46980 Paterna (SPAIN)
>       > Telephone: +34 96 354 35 25
>       > Fax: +34 96 354 34 88
>       > email: oset at ific.uv.es
>       >
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> 
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>
>       --
>       Alberto Corrêa dos Reis
>       Centro Brasileiro de Pesquisas Físicas - CBPF
>       Rua Dr. Xavier Sigaud, 150 - Rio de Janeiro, RJ - Brazil
>       22290-180
>       +5521 2141 7378
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> 
> 
> --
> Alberto Corrêa dos Reis
> Centro Brasileiro de Pesquisas Físicas - CBPF
> Rua Dr. Xavier Sigaud, 150 - Rio de Janeiro, RJ - Brazil
> 22290-180
> +5521 2141 7378
> 
> 
> 
>


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