- LandOfFree
- Scientists
- Physics
- High Energy Physics
- High Energy Physics - Experiment
Details
Photoproduction of $D^{*\pm}$ Mesons in $ep$ Collisions at HERA
Photoproduction of $D^{*\pm}$ Mesons in $ep$ Collisions at HERA
1996-04-23
-
arxiv.org/abs/hep-ex/9604005v1
Nucl.Phys.B472:32-54,1996
Physics
High Energy Physics
High Energy Physics - Experiment
18 pages, latex, 5 Figures
Scientific paper
10.1016/0550-3213(96)00275-1
At the electron-proton collider HERA the inclusive $D^{*\pm}$ meson photoproduction cross section has been measured with the H1 detector in two different, but partly overlapping, kinematical regions. For the first, where $ \approx 200$ GeV and $Q^2 < 0.01 \gev^2$, the result is $\sigma(\gamma p \to c \bar{c} X) = (13.2 \pm 2.2 ^{+2.1}_{-1.7} ^{+9.9}_{-4.8}) \mu b$. The second measurement for $Q^2 < 4 \gev^2$ yields $\sigma(\gamma p \to c \bar{c} X) = (9.3 \pm 2.1 ^{+1.9}_{-1.8} ^{+6.9}_ {-3.2}) \mu b$ at $ \approx 142$ GeV and $\sigma(\gamma p \to c \bar{c} X) = (20.6 \pm 5.5 ^ {+4.3}_{-3.9} ^{+15.4}_{-7.2}) \mu b$ at $ \approx 230$ GeV, respectively. The third error accounts for an additional uncertainty due to the proton and photon parton density parametrizations. Differential cross sections are presented as a function of the $D^{*\pm}$ transverse momentum and rapidity. The results compare reasonably well with next-to-leading order QCD calculations. Evidence for diffractive photoproduction of charm quark is presented.
Affiliated with
Also associated with
No associations
LandOfFree
Say what you really think
Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.
Rating
Photoproduction of $D^{*\pm}$ Mesons in $ep$ Collisions at HERA does not yet have a rating.
At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Photoproduction of $D^{*\pm}$ Mesons in $ep$ Collisions at HERA, we encourage you to share that experience with our LandOfFree.com community.
Your opinion is very important and Photoproduction of $D^{*\pm}$ Mesons in $ep$ Collisions at HERA will most certainly appreciate the feedback.
Rate now
Profile ID: LFWR-SCP-O-490754
All data on this website is collected from public sources.
Our data reflects the most accurate information available at the time of publication.