Pair production in short laser pulses near threshold
The e+e− pair production by a probe photon traversing a linearly polarized laser pulse is treated as generalized nonlinear Breit–Wheeler process. For short laser pulses with very few oscillations of the electromagnetic field we find below the perturbative weak-field threshold s=2m a similar enhancem...
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| Veröffentlicht in: | Physics letters. B 2012-08, Vol.715 (1-3), p.246-250 |
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| container_end_page | 250 |
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| container_issue | 1-3 |
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| container_title | Physics letters. B |
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| creator | Nousch, T. Seipt, D. Kämpfer, B. Titov, A.I. |
| description | The e+e− pair production by a probe photon traversing a linearly polarized laser pulse is treated as generalized nonlinear Breit–Wheeler process. For short laser pulses with very few oscillations of the electromagnetic field we find below the perturbative weak-field threshold s=2m a similar enhancement of the pair production rate as for circular polarization. The strong enhancement below the weak-field threshold is traced back to the finite bandwidth of the laser pulse. A folding model is developed which accounts for the interplay of the frequency spectrum and the intensity distribution in the course of the pulse. |
| doi_str_mv | 10.1016/j.physletb.2012.07.040 |
| format | Article |
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A folding model is developed which accounts for the interplay of the frequency spectrum and the intensity distribution in the course of the pulse.</description><subject>Electromagnetic fields</subject><subject>Elementary particles</subject><subject>Frequency spectrum</subject><subject>Lasers</subject><subject>Mathematical analysis</subject><subject>Nonlinear Breit–Wheeler process</subject><subject>Oscillations</subject><subject>Pair production</subject><subject>Short laser pulse</subject><subject>Thresholds</subject><subject>Volkov solution</subject><issn>0370-2693</issn><issn>1873-2445</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouK7-BenRS-skaZLmpix-wYIe9BzSdMpm6bZrkgr-e7Osnj0NzPvBzEPINYWKApW322q_-Y4DprZiQFkFqoIaTsiCNoqXrK7FKVkAV1Ayqfk5uYhxCwBUgFyQ-s36UOzD1M0u-Wks_FjEzRRSMdiIWZmHiLEY0YYibQJmbeguyVlv8_7qdy7Jx-PD--q5XL8-vazu16WrhU6lpVy3DnjrLHIl6waEUJxjx4VWWjjRKd64jgqGLUPkgjqprWiA9Y3oteJLcnPszfd9zhiT2fnocBjsiNMcDYWGMUal0Nkqj1YXphgD9mYf_M6G72wyB0xma_4wmQMmA8pkTDl4dwxifuTLYzDReRwddj6gS6ab_H8VP785c7M</recordid><startdate>20120829</startdate><enddate>20120829</enddate><creator>Nousch, T.</creator><creator>Seipt, D.</creator><creator>Kämpfer, B.</creator><creator>Titov, A.I.</creator><general>Elsevier B.V</general><scope>6I.</scope><scope>AAFTH</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20120829</creationdate><title>Pair production in short laser pulses near threshold</title><author>Nousch, T. ; Seipt, D. ; Kämpfer, B. ; Titov, A.I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c459t-a139bc03bcae37648055733ed359795c5d738cd152eb2ee351c69a5802f85f973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Electromagnetic fields</topic><topic>Elementary particles</topic><topic>Frequency spectrum</topic><topic>Lasers</topic><topic>Mathematical analysis</topic><topic>Nonlinear Breit–Wheeler process</topic><topic>Oscillations</topic><topic>Pair production</topic><topic>Short laser pulse</topic><topic>Thresholds</topic><topic>Volkov solution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nousch, T.</creatorcontrib><creatorcontrib>Seipt, D.</creatorcontrib><creatorcontrib>Kämpfer, B.</creatorcontrib><creatorcontrib>Titov, A.I.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physics letters. 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| ispartof | Physics letters. B, 2012-08, Vol.715 (1-3), p.246-250 |
| issn | 0370-2693 1873-2445 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1082221659 |
| source | Access via ScienceDirect (Elsevier) |
| subjects | Electromagnetic fields Elementary particles Frequency spectrum Lasers Mathematical analysis Nonlinear Breit–Wheeler process Oscillations Pair production Short laser pulse Thresholds Volkov solution |
| title | Pair production in short laser pulses near threshold |
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