[Frost] HADRON 2011 Proceedings

[Barry Ritchie]

Dear Volker,

This is a very nice presentation! I would suggest the following:

Page 1:

In the first sentence, add a hyphen between constituent quarks: three constituent-quark degrees of freedom.

In line 7, replace "of" with "the":  despite the (still) large pion masses

In line 8, do not split the predicate, and write can not as a single word: excited states usually cannot be observed

In line 11, drop the words "for instance" since you've already said they were examples. 

Page 2:

Section 2: Experimental Setup

In line 2 after the start of section 2, I would say " ...were obtained with the CEBAF..."

In lines 4 and 6, remove the redundant GeV: with energies of 1.65 and 2.48 GeV, between 0.35 and 2.35 GeV

In line 4, use the definite article: the thin radiator

In line 11, I would reword slightly: The target was typically repolarized once a week, usually with flips of the polarization direction.

Page 3

Line 1: I would reword slightly to avoid ambiguity: CLAS detector, and, slightly downstream a separate carbon target and polyethylene target (to provide information on bound nucleon backgrounds in the butanol target). 

Section 3: The Helicity...

Line 1: replace which with that:  Of particular importance are well-chosen decay channels that can help isolate
 
Line 4: add additional comma before thus: and, thus, simplifies...

Line 6: More precisely: ...final states can only originate (in one-step processes) from intermediate I = 1/2 nucleon resonances.

Page 4:

Line 3: Change one to unity: values close to unity for W < 1.6 GeV

Line 4: Comma after GeV and change some to further:  positive below about W=2 GeV, shedding further light on...

Section 4: The Helicity...

Lines 2 and 3: Rather than the sentence beginning "Doing so", I would say:  Polarization observables will help sift the several competing descriptions of the nucleon resonance spectrum by more conclusively indicating which resonances are involved in elastic pion-nucleon scattering, as well as providing evidence for previously unidentified resonances. 


Sincerely yours,

Barry







Professor Barry G. Ritchie
Department of Physics
Arizona State University
Tempe, AZ　 85287-1504

Telephone: (480) 965-4707
Fax: (480) 965-7954



-----Original Message-----
From: frost-bounces at jlab.org [mailto:frost-bounces at jlab.org] On Behalf Of Volker Crede
Sent: Friday, August 19, 2011 10:46 AM
To: frost at jlab.org
Subject: [Frost] HADRON 2011 Proceedings

Dear Colleagues,

I prepared my contribution (six-page limit) for the HADRON 2011 proceedings. It was an invited talk on "Light Baryon Spectroscopy at CLAS" in a parallel session. I am mainly discussing FROST results in my contribution. 

Please find a draft at:

         http://hadron.physics.fsu.edu/‾crede/FILES/hadron2011.pdf

The deadline is September 1st. If you have comments or suggestions please let me know, I would appreciate it.

Best wishes

       Volker


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