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/
>>>
>>> ---------------------------------------------------------------------------------------------
>>> ########################################################################
>>> Use REPLY-ALL to reply to list
>>>
>>> To unsubscribe from the SNOWMASS-EF list, click the following link:
>>> https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=SNOWMASS-EF&A=1
>>
>>
>>
>> ________________________________
>>
>> Use REPLY-ALL to reply to list
>>
>> To unsubscribe from the SNOWMASS-EF list, click the following link:
>> https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=SNOWMASS-EF&A=1
>
> ########################################################################
> Use REPLY-ALL to reply to list
>
> To unsubscribe from the SNOWMASS-EF list, click the following link:
> https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=SNOWMASS-EF&A=1
########################################################################
Use REPLY-ALL to reply to list
To unsubscribe from the SNOWMASS-EF list, click the following link:
https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=SNOWMASS-EF&A=1
