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Photon production

Search for neutral current induced single photon production at the ND280 near detector in T2K

Search for neutral current induced single photon production at the ND280 near detector in T2K

... single photon production is a sub-leading order process for accelerator-based neutrino beam experiments including ...single photon kinematics from electron-positron pairs, we achieved 95% pure gamma ...

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Study of the dependence of direct soft photon production on the jet characteristics in hadronic Z0 decays

Study of the dependence of direct soft photon production on the jet characteristics in hadronic Z0 decays

... soft photon production in reaction (1) some com- bination of the charged jet constituents (whatever they are, quarks or the final hadrons) would be the basic source of the (coherent) radiation (note, the ...

25

Direct photon production in pp, p-Pb and Pb-Pb collisions: results from ALICE

Direct photon production in pp, p-Pb and Pb-Pb collisions: results from ALICE

... Direct photon measurements provide a tool for testing QCD predic- tions in pp collisions and valuable information about properties of the quark- gluon matter created in nucleus-nucleus ...direct photon ...

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New evaluation of photon production for JEFF-3

New evaluation of photon production for JEFF-3

... energy photon deposit must be accurately accounted for advanced light-water nuclear reactor and the new experimental Jules Horowitz Reactor [1] ...the photon production ...gamma production ...

5

Prompt Photon Production at the Tevatron and LHC

Prompt Photon Production at the Tevatron and LHC

... division allows the comparison between data and theory predictions in configurations where the relative contribu- tion of the fragmentation component to the cross section and the explored ranges of the incoming parton ...

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Measurement of Inclusive Isolated Prompt Photon Production at √s = 7 TeV with the ATLAS Detector

Measurement of Inclusive Isolated Prompt Photon Production at √s = 7 TeV with the ATLAS Detector

... As an alternative to a full template fit, a two-dimensional sideband technique can also be used to estimate the amount of background in the signal sample. The purity is estimated by extrapolating from control regions, ...

206

DØ Results on Diphoton Direct Production and Photon + b and c Jet Production

DØ Results on Diphoton Direct Production and Photon + b and c Jet Production

... Direct photon production in hadron collisions provides a precise probe of perturbative Quantum Chromodynamics (pQCD), particularly as a test of soft gluon ...Diphoton production can proceed through ...

5

Photon and dilepton production in soft wall Ads/QCD

Photon and dilepton production in soft wall Ads/QCD

... There is, however, one fundamental difference between the result here and the massive N = 2 computation. Both models are thermodynamically unstable for large IR-cut-off, signalling the transition back to the confining ...

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Systematic study of real photon and Drell-Yan pair production in p+A (d+A) interactions

Systematic study of real photon and Drell-Yan pair production in p+A (d+A) interactions

... For the first time, we use the Green function formalism based on the color dipole approach for de- scription of DY pair and direct photon production on nuclear targets in the kinematic regions where the SCL ...

6

Applications of AdS/CFT in Quark Gluon Plasma

Applications of AdS/CFT in Quark Gluon Plasma

... In general QGP can be weakly or strongly coupled. However, there are a couple of indications that strongly coupled QGP has been created in heavy ion collision experiments at RHIC(and expected stronger signals from the ...

158

Factorization theorem, gluon poles and new contributions in semi-inclusive processes

Factorization theorem, gluon poles and new contributions in semi-inclusive processes

... We explore the QCD gauge invariance of the hadron tensor for the direct photon production in two hadron collision where one of hadrons is transversely polarized. We argue the effects which lead to the soft ...

6

Emission of Thermal Photon in Heavy Ion Collisions

Emission of Thermal Photon in Heavy Ion Collisions

... concerning photon production as a signature for the creation of a quark-gluon ...for photon emission in the QGP which consist QCD Compton Scattering, qq annihilation, Bremsstrahlung (brems), and ...

9

Production of exotic charmonium in heavy ion collisions

Production of exotic charmonium in heavy ion collisions

... the production of a meson in photon- photon ...meson production in UPCs was pioneered in ...the production of mesons and exotic states in proton-proton ...on photon-photon ...

6

Direct Photon Results from CDF

Direct Photon Results from CDF

... direct photon production in associ- ation with a heavy quark in hadronic collisions provides valuable information on the probability distributions of partons inside the initial-state ...At photon ...

5

Low Momentum Direct Photon Measurement

Low Momentum Direct Photon Measurement

... p+p collisions, which has been interpreted as thermal radiation from the QGP and hadron gas medium. At the same time, the excess photons show a large elliptic and triangular flow. These results are challenging for the ...

9

Oscillations to hidden photon in reactor and accelerator experiments

Oscillations to hidden photon in reactor and accelerator experiments

... hidden photon can be produced (and absorbed) by ordinary matter in a Compton-like processes, which naively are insensitive to the hidden photon ...hidden photon production in particle ...

8

Electrical control of nonlinear quantum optics in a nano-photonic waveguide

Electrical control of nonlinear quantum optics in a nano-photonic waveguide

... Achieving complete transmission extinction is highly desirable, resulting in a pi phase shift being applied to every scattered single photon (see e.g., [35]). The narrow linewidths reported here for a QD embedded ...

8

And If Bell’s Inequality Were Not Violated

And If Bell’s Inequality Were Not Violated

... Measures of Entangled Photons -if the polarity of the photon is rather parallel to α , the photon is leaving to DA detector, -otherwise, if the polarity of the photon is rather perpendic[r] ...

11

Commissioning and initial experimental program of the BGO-OD experiment at ELSA

Commissioning and initial experimental program of the BGO-OD experiment at ELSA

... incoming photon energy provided by the ARGUS hodoscope, the beam asymmetry in η photo- production will be measured at threshold, allowing for a more detailed study of the strong energy dependence observed ...

5

Equivalent photons at the LHC: pp(γγ) → ppl+l-, Pb Pb (γγ) → Pb Pb l+l-

Equivalent photons at the LHC: pp(γγ) → ppl+l-, Pb Pb (γγ) → Pb Pb l+l-

... schedule should provide more time for the heavy ions collisions so that New Physics can be searched in photon-photon collisions. This question might be most relevant now, with the long shutdown of the LHC ...

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