Abstract/Details

Diffractively produced charm final states in 800 GeV/c proton -proton collisions


2000 2000

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Abstract (summary)

We report the observation of charm final states produced in the single diffractive dissociative reactions (1) pp pX(D*+ → (D 0Kπ+ +) and (2) pppX( D* → (D ̄ 0K+π). These results are based on the over 5 billion event data sample acquired by Fermilab experiment E690 during the fixed target run of 1991. In this run, an 800 GeV/c incident proton beam was used with a liquid hydrogen target. We measure cross sections of [0.209 ± 0.050[special characters omitted](syst)] μb and [0.196 ± 0.043[special characters omitted](syst)] μb for reactions (1) and (2), respectively. These results are compared with model predictions and results from other experiments. Our results are significantly lower than predictions based on the diffractive model of Ingelman and Schlein using a flat or a hard pomeron structure function.

Indexing (details)


Subject
Particle physics
Classification
0798: Particle physics
Identifier / keyword
Pure sciences, Charm, Diffractive, Final states, Pomeron structure functions, Proton-proton collisions
Title
Diffractively produced charm final states in 800 GeV/c proton -proton collisions
Author
Wang, Michael H. L. S.
Number of pages
109
Publication year
2000
Degree date
2000
School code
0118
Source
DAI-B 61/10, Dissertation Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
0599963964, 9780599963962
Advisor
Kreisler, Michael N.; Hartouni, Edward P.
University/institution
University of Massachusetts Amherst
University location
United States -- Massachusetts
Degree
Ph.D.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
9988851
ProQuest document ID
304630000
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/304630000
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