Search Results - "Sørensen, Allan H"

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  1. 1

    Bremsstrahlung from Relativistic Heavy Ions in a Fixed Target Experiment at the LHC by Mikkelsen, Rune E., Sørensen, Allan H., Uggerhøj, Ulrik I.

    Published in Advances in high energy physics (01-01-2015)
    “…We calculate the emission of bremsstrahlung from lead and argon ions in ultraperipheral collisions in a fixed target experiment (AFTER) that uses the LHC…”
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    Journal Article
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    Precision Measurement of Trident Production in Strong Electromagnetic Fields by Nielsen, Christian F, Holtzapple, Robert, Lund, Mads M, Surrow, Jeppe H, Sørensen, Allan H, Sørensen, Marc B, Uggerhøj, Ulrik I

    Published in Physical review letters (17-02-2023)
    “…We demonstrate experimentally that the trident process e^{-}→e^{-}e^{+}e^{-} in a strong external field, with a spatial extension comparable to the effective…”
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    Journal Article
  3. 3

    Elastic photonuclear cross sections for bremsstrahlung from relativistic ions by Mikkelsen, Rune E., Sørensen, Allan H., Uggerhøj, Ulrik I.

    “…In this paper, we provide a procedure to calculate the bremsstrahlung spectrum for virtually any relativistic bare ion with charge 6e or beyond, Z⩾6, in…”
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    Journal Article
  4. 4

    On the nonperturbative contributions to the stopping of H- and He-like heavy ions by Sørensen, Allan H.

    “…The nonperturbative contributions to the electronic stopping of hydrogen- and heliumlike heavy ions penetrating matter in frozen charge states at energies of…”
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    Journal Article
  5. 5

    Influence of atomic screening on fragmentation of ultrarelativistic lead ions in LHC collimators by Baggesen, Jan C., Sørensen, Allan H.

    “…When a lead beam is collimated in the CERN LHC some of the ions fragment in the collimators causing problems downstream. For design purposes the fragmentation…”
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    Bremsstrahlung from Relativistic Heavy Ions in a FixedTarget Experiment at the LHC by Mikkelsen, R., Uggerhøj, U. I., Sørensen, Allan H.

    Published in Advances in high energy physics (2015)
    “…We calculate the emission of bremsstrahlung from lead and argon ions in ultraperipheral collisions in a fixed target experiment (AFTER) that uses the LHC…”
    Get full text
    Journal Article
  7. 7

    The pair-production channel in atomic processes by Belkacem, Ali, Sørensen, Allan H.

    “…Assisted by the creation of electron–positron pairs, new channels for ionization, excitation, and charge transfer open in atomic collisions when the energy is…”
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    Pair production and bremsstrahlung contributions to the stopping of relativistic heavy ions by Sørensen, Allan H.

    “…We examine the energy loss to electron–positron pairs and bremsstrahlung for relativistic heavy ions penetrating matter. Pair production is the dominant source…”
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  10. 10

    Stopping of relativistic hydrogen- and heliumlike heavy ions by Sørensen, Allan H.

    “…The stopping power for hydrogen- and heliumlike heavy ions penetrating matter at energies of 100–1000 MeV/u is calculated. For hydrogenlike ions the difference…”
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  11. 11

    Bremsstrahlung from relativistic heavy ions in matter by Soerensen, Allan H.

    “…The emission of electromagnetic radiation by relativistic bare heavy ions penetrating ordinary matter is investigated. Our main aim is to determine the…”
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    Differential Measurement of Trident Production in Strong Electromagnetic Fields by Nielsen, Christian F, Holtzapple, Robert, Lund, Mads M, Surrow, Jeppe H, Sørensen, Allan H, Sørensen, Marc B, Uggerhø, Ulrik I

    Published 07-07-2023
    “…In this paper, we present experimental results and numerical simulations of trident production, $e^-\rightarrow e^-e^+e^-$, in a strong electromagnetic field…”
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  14. 14

    Channelling and channelling radiation by Sorensen, Allan H, Uggerhoj, Erik

    Published in Nature (London) (22-01-1987)
    “…Research of channeling phenomena has developed since the early 1960s, and today, there are many applications. Radiation emitted by channeled megaelectronvolt…”
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  15. 15

    Particle production in crystals by Sorensen, Allan H, Uggerhoj, Erik

    Published in Nature (London) (18-06-1987)
    “…The results of an experiment are presented which demonstrates that a single crystal provides a very efficient alternative source of an external electromagnetic…”
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  16. 16

    Precision Measurement of Trident Production in Strong Electromagnetic Fields by Nielsen, Christian F, Holtzapple, Robert, Lund, Mads M, Surrow, Jeppe H, Sørensen, Allan H, Uggerhøj, Ulrik I

    Published 04-11-2022
    “…We demonstrate experimentally that the trident process $e^-\rightarrow e^-e^+e^-$ in a strong external field, with a spatial extension comparable to the…”
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    Journal Article
  17. 17

    Radiation Reaction near the Classical Limit in Aligned Crystals by Nielsen, Christian F, Justesen, Jens B, Sørensen, Allan H, Uggerhøj, Ulrik I, Holtzapple, Robert

    Published 24-08-2020
    “…Phys. Rev. D 102, 052004 (2020) An accelerated charged particle emits electromagnetic radiation. If the driving force is sufficiently strong, the radiated…”
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    Bremsstrahlung from relativistic heavy ions in a fixed target experiment at the LHC by Mikkelsen, Rune E, Sørensen, Allan H, Uggerhøj, Ulrik I

    Published 23-03-2015
    “…We calculate the emission of bremsstrahlung from lead and argon ions in A Fixed Target ExpeRiment (AFTER) that uses the LHC beams. With nuclear charges of $Ze$…”
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    Journal Article