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Valery Khoze's Outputs (214)

χc decays and the gluon component of the η′, η mesons (2017)
Journal Article
Harland-Lang, L., Khoze, V., Ryskin, M., & Shuvaev, A. (2017). χc decays and the gluon component of the η′, η mesons. Physics Letters B, 770, 88-92. https://doi.org/10.1016/j.physletb.2017.04.046

The large mass of the η′ meson indicates that a sizeable gluon component is present in the meson wave function. However, the χc0 and χc2 decays to η′ mesons, which proceed via a purely gluonic intermediate state and we would therefore naïvely expect... Read More about χc decays and the gluon component of the η′, η mesons.

Photon-initiated processes at high mass (2016)
Journal Article
Harland-Lang, L., Khoze, V., & Ryskin, M. (2016). Photon-initiated processes at high mass. Physical Review D, 94(7), Article 074008. https://doi.org/10.1103/physrevd.94.074008

We consider the influence of photon-initiated processes on high-mass particle production. We discuss in detail the photon parton distribution function (PDF) at relatively high parton x, relevant to such processes, and evaluate its uncertainties. In p... Read More about Photon-initiated processes at high mass.

Sudakov effects in photon-initiated processes (2016)
Journal Article
Harland-Lang, L., Khoze, V., & Ryskin, M. (2016). Sudakov effects in photon-initiated processes. Physics Letters B, 761, 20-24. https://doi.org/10.1016/j.physletb.2016.08.004

We consider the effect of the Sudakov factor in photon-initiated processes, corresponding to the no branching probability for the initial-state photon. We demonstrate how such a factor follows simply from the solution of the DGLAP equation for the ph... Read More about Sudakov effects in photon-initiated processes.

The photon PDF in events with rapidity gaps (2016)
Journal Article
Harland-Lang, L., Khoze, V., & Ryskin, M. (2016). The photon PDF in events with rapidity gaps. The European Physical Journal C, 76(5), Article 255. https://doi.org/10.1140/epjc/s10052-016-4100-2

We consider photon-initiated events with large rapidity gaps in proton–proton collisions, where one or both protons may break up. We formulate a modified photon PDF that accounts for the specific experimental rapidity gap veto, and demonstrate how th... Read More about The photon PDF in events with rapidity gaps.

Two scales in Bose–Einstein correlations (2016)
Journal Article
Khoze, V., Martin, A., Ryskin, M., & Schegelsky, V. (2016). Two scales in Bose–Einstein correlations. The European Physical Journal C, 76(4), Article 193. https://doi.org/10.1140/epjc/s10052-016-4055-3

We argue that the secondaries produced in high-energy hadron collisions are emitted by small-size sources distributed over a much larger area in impact parameter space occupied by the interaction amplitude. That is, Bose–Einstein correlation of two e... Read More about Two scales in Bose–Einstein correlations.

The production of a diphoton resonance via photon-photon fusion (2016)
Journal Article
Harland-Lang, L., Khoze, V., & Ryskin, M. (2016). The production of a diphoton resonance via photon-photon fusion. Journal of High Energy Physics, 2016(3), Article 182. https://doi.org/10.1007/jhep03%282016%29182

Motivated by the recent LHC observation of an excess of diphoton events around an invariant mass of 750GeV, we discuss the possibility that this is due to the decay of a new scalar or pseudoscalar resonance dominantly produced via photon-photon fusio... Read More about The production of a diphoton resonance via photon-photon fusion.

Exclusive physics at the LHC with SuperChic 2 (2016)
Journal Article
Harland-Lang, L., Khoze, V., & Ryskin, M. (2016). Exclusive physics at the LHC with SuperChic 2. The European Physical Journal C, 76(1), Article 9. https://doi.org/10.1140/epjc/s10052-015-3832-8

We present a range of physics results for central exclusive production processes at the LHC, using the new SuperChic 2 Monte Carlo event generator. This includes significant theoretical improvements and updates, most importantly a fully differential... Read More about Exclusive physics at the LHC with SuperChic 2.

Inclusive prompt $$\chi _{c,b}(1^{++})$$ χ c , b ( 1 + + ) production at the LHC (2015)
Journal Article
Shuvaev, A., Khoze, V., Martin, A., & Ryskin, M. (2015). Inclusive prompt $$\chi _{c,b}(1^{++})$$ χ c , b ( 1 + + ) production at the LHC. The European Physical Journal C, 75(12), Article 616. https://doi.org/10.1140/epjc/s10052-015-3840-8

We study the prompt production of the χc(1+) and χb(1+) mesons at high energies. Unlike χ(0+,2+) production, χ(1+) mesons cannot be created at LO via the fusion of two on-mass-shell gluons, that is, gg→χc,b(1+) are not allowed. However, the available... Read More about Inclusive prompt $$\chi _{c,b}(1^{++})$$ χ c , b ( 1 + + ) production at the LHC.

Partonic transverse momenta in soft collisions (2014)
Journal Article
Khoze, V., Martin, A., & Ryskin, M. (2014). Partonic transverse momenta in soft collisions. The European Physical Journal C, 74(12), Article 3199. https://doi.org/10.1140/epjc/s10052-014-3199-2

The partonic transverse momentum, kt , distribution plays a crucial role in driving high-energy hadron interactions. If kt is limited we have old fashioned Regge theory. If kt increases with energy the interaction may be described by perturbative QCD... Read More about Partonic transverse momenta in soft collisions.

Modelling exclusive meson pair production at hadron colliders (2014)
Journal Article
Harland-Lang, L., Khoze, V., & Ryskin, M. (2014). Modelling exclusive meson pair production at hadron colliders. The European Physical Journal C, 74(4), Article 2848. https://doi.org/10.1140/epjc/s10052-014-2848-9

We present a study of the central exclusive production of light meson pairs, concentrating on the region of lower invariant masses of the central system and/or meson transverse momentum, where perturbative QCD cannot be reliably applied. We describe... Read More about Modelling exclusive meson pair production at hadron colliders.

High-energy elastic and diffractive cross sections (2014)
Journal Article
Khoze, V., Martin, A., & Ryskin, M. (2014). High-energy elastic and diffractive cross sections. The European Physical Journal C, 74(2), Article 2756. https://doi.org/10.1140/epjc/s10052-014-2756-z

We present a ‘global’ description of the wide variety of high-energy elastic and diffractive data that are presently available, particularly from the LHC experiments. The model is based on only one pomeron pole, but it includes multi-pomeron interact... Read More about High-energy elastic and diffractive cross sections.

Exclusive Production of the MSSM Higgs Bosons at the LHC (2012)
Presentation / Conference Contribution
Heinemeyer, S., Khoze, V. A., Tasevsky, M., & Weiglein, G. (2012, December). Exclusive Production of the MSSM Higgs Bosons at the LHC. Presented at 20th International Workshop on Deep-Inelastic Scattering and Related Subjects, Bonn

We review the prospects for Central Exclusive Production (CEP) of BSM Higgs bosons at the LHC using forward proton detectors proposed to be installed at 220 m and 420 m from the ATLAS and/ or CMS. Results are presented for MSSM in standard benchmark... Read More about Exclusive Production of the MSSM Higgs Bosons at the LHC.

Partonic description of soft high energy pp interactions (2012)
Presentation / Conference Contribution
Martin, A., Khoze, V., & Ryskin, M. (2012, December). Partonic description of soft high energy pp interactions. Presented at LC11 Workshop: Understanding QCD at Linear Colliders in searching for old and new physics, Trento

Diffractive Physics (2012)
Journal Article
Martin, A., Hoeth, H., Khoze, V., Krauss, F., Ryskin, M., & others. (2012). Diffractive Physics. PoS: Proceedings of Science, QNP2012,

The Phenomenology of Central Exclusive Production at Hadron Colliders. (2012)
Journal Article
Harland-Lang, L., Khoze, V., Ryskin, M., & Stirling, W. (2012). The Phenomenology of Central Exclusive Production at Hadron Colliders. The European Physical Journal C, 72, Article 2110. https://doi.org/10.1140/epjc/s10052-012-2110-2

Central exclusive production (CEP) processes in high-energy hadron–hadron collisions provide an especially clean environment in which to measure the nature and quantum numbers (in particular, the spin and parity) of new resonance states. Encouraged b... Read More about The Phenomenology of Central Exclusive Production at Hadron Colliders..

Proton Opacity in the Light of LHC Diffractive Data. (2012)
Journal Article
Ryskin, M., Martin, A., & Khoze, V. (2012). Proton Opacity in the Light of LHC Diffractive Data. The European Physical Journal C, 72, Article 1937. https://doi.org/10.1140/epjc/s10052-012-1937-x

We show that collider data on elastic pp (and pp¯pp¯ ) scattering, including the LHC TOTEM data at 7 TeV, can be well described by a 3-channel eikonal model with only one Pomeron, with parameters that are naturally linked to the perturbative QCD (BFK... Read More about Proton Opacity in the Light of LHC Diffractive Data..