I also vote for the old wording
regards,
Ashutosh
On Aug 24, 2013, at 11:36 AM, Meenakshi Narain <[log in to unmask]> wrote:
> I also support the old wording.
> Thanks
> meenakshi
>
> On Aug 24, 2013, at 1:49 AM, LianTao Wang <[log in to unmask]> wrote:
>
>> I would like to support changing back to Markus' wording as well. I
>> think we can fully stand by the claim " which has unprecedented
>> potential reach for new physics associated with electroweak symmetry
>> breaking, naturalness, and dark matter.", based on the results we have
>> presented in our study.
>>
>> Liantao
>>
>> On Fri, Aug 23, 2013 at 5:59 PM, Markus A. Luty
>> <[log in to unmask]> wrote:
>>> The new sentence on the VLHC is substantially weaker than the one in the
>>> version that we discussed in today's meeting, and that seemed to me to get
>>> essentially unanimous support.
>>>
>>>
>>> The study called out in particular the potential of a 100 TeV hadron
>>> collider for the exploration of electroweak symmetry breaking and dark
>>> matter and recommended more concerted work on its design and its physics
>>> capability.
>>>
>>> I recommend we change back to the old wording, something like
>>>
>>> The study in particular called out a 100 TeV hadron collider,
>>> which has unprecedented potential reach for new physics associated with
>>> electroweak symmetry breaking, naturalness, and dark matter.
>>> Further work on its design and its physics capability...
>>>
>>>
>>> Markus Luty
>>>
>>> ============================================
>>> Physics Department
>>> University of California, Davis
>>> One Shields Avenue
>>> Davis, CA 95616
>>>
>>> Phone: +1 530 554 1280
>>> Skype: markus_luty
>>>
>>>
>>>
>>> On Fri, Aug 23, 2013 at 2:56 PM, Peskin, Michael E.
>>> <[log in to unmask]> wrote:
>>>>
>>>> Folks,
>>>>
>>>> We met today to discuss the Snowmass summaries. In fact, the whole hour
>>>> was taken up with a
>>>> discussion of the paragraphs in the top-level executive summary.
>>>>
>>>> I attach a new version, then the minutes. Here is the new version:
>>>>
>>>> --------------------
>>>>
>>>> Energy Frontier. The mysteries of the newly discovered Higgs boson were a
>>>> major theme at Snowmass. The properties of the Higgs boson raise crucial
>>>> questions that guide large parts of the future particle physics program.
>>>> Indeed, this discovery changes everything. It calls for a three-pronged
>>>> research program at high energy accelerators: first, to determine the
>>>> properties of the Higgs boson as accurately as possible, second, to make
>>>> precise measurements of the heavy particles $W$, $Z$, and the top quark,
>>>> which can carry the imprint of the Higgs field; and, third, to search for
>>>> new particles with TeV masses predicted by models of electroweak symmetry
>>>> breaking. Questions about the Higgs boson also inspire the search for the
>>>> dark matter particles and for flavor-changing rare decays, since in both
>>>> cases the motivating theory often comes from models of the Higgs boson and
>>>> its role in symmetry-breaking.
>>>>
>>>> For at least the next fifteen years, the experiments at the Large Hadron
>>>> Collider at CERN will drive the Energy Frontier program forward. The Higgs
>>>> boson discovery at the LHC now becomes a precision study of the properties
>>>> of this particle. The high-luminosity LHC will measure Higgs boson
>>>> couplings at the few-percent level and provide the first measurement of the
>>>> Higgs self-coupling. The steps of the LHC to 300 fb$^{-1}$ and then to 3000
>>>> fb$^{-1} will explore deeply for new particles produced through either the
>>>> strong or the electroweak interactions. They will probe for new dynamics of
>>>> $W$, $Z$, and Higgs at TeV energies and study rare decays using a sample of
>>>> billions of top quarks. The LHC experiments have already proven their
>>>> ability to work as global collaborations. Detector and accelerator
>>>> components, technology and physics insight, and leadership from the US have
>>>> played indispensible roles.
>>>>
>>>> There is a strong scientific motivation for continuing this program with
>>>> lepton colliders. Experiments at lepton colliders can reach sub-percent
>>>> precision in the Higgs boson properties in a model-independent way, enabling
>>>> discovery of percent-level deviations predicted in theoretical models. They
>>>> can improve the precision of our knowledge of the $W$, $Z$, and top
>>>> properties by an order of magnitude, allowing the discovery of predicted new
>>>> physics effects. They search for new particles with unequivocal discovery or
>>>> exclusion, complementing new particle searches at the LHC. A global effort
>>>> has now completed the technical design of the International Linear Collider
>>>> (ILC) accelerator and detectors that will provide these capabilities. The
>>>> Japanese high energy physics community has named this facility as its first
>>>> priority.
>>>>
>>>> The Snowmass study considered many other options for high-energy colliders
>>>> that might be realized over a longer term. These included higher energy
>>>> linear colliders, circular e+e- colliders, muon colliders, and photon
>>>> colliders. The study called out in particular the potential of a 100 TeV
>>>> hadron collider for the exploration of electroweak symmetry breaking and
>>>> dark matter and recommended more concerted work on its design and its
>>>> physics capability.
>>>>
>>>> In all of the projects listed above, US leadership in developing
>>>> experimental and accelerator technology is playing a critical role. These US
>>>> initiatives are essential to meet the world-wide scientific goals in
>>>> particle physics.
>>>>
>>>>
>>>> -------------------------------
>>>>
>>>> It is still not perfect. Please send proposed changes to this list by the
>>>> end of the day tomorrow (Saturday).
>>>>
>>>>
>>>>
>>>> Now to the minutes of the meeting
>>>>
>>>> Present were:
>>>>
>>>> Chip, Michael, Sally, Markus, Tom L., Daniel, Andrei, Cecilia, Rick,
>>>> Kaustubh, Reinhardt, Yuri, Graham, Andy W., Soeren, Liantao, Robin
>>>>
>>>> The main criticisms of the previous version were:
>>>>
>>>> Not enough emphasis on Higgs. Higgs should be first in all lists.
>>>> Among longer-term accelerator projects, there was special interest in
>>>> VLHC, and this out to be called out.
>>>> Some emphasis needed on US contributions and US "leadership"
>>>>
>>>> Chip and I hope that these concerns are addressed in the new version
>>>> above.
>>>>
>>>> Thanks,
>>>>
>>>> Michael
>>>>
>>>>
>>>>
>>>> -------------------------------------------------------------------------------------------
>>>> Michael E. Peskin [log in to unmask]
>>>> HEP Theory Group, MS 81 -------
>>>> SLAC National Accelerator Lab. phone: 1-(650)-926-3250
>>>> 2575 Sand Hill Road fax: 1-(650)-926-2525
>>>> Menlo Park, CA 94025 USA www.slac.stanford.edu/~mpeskin/
>>>>
>>>> ---------------------------------------------------------------------------------------------
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>>>
>>>
>>>
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