INTERNATIONAL JOURNAL OF HIGH-ENERGY PHYSICS CERN COURIER VOLUME 43 NUMBER 7 SEPTEMBER 2003 Net closes in on quark-gluon plasma NEW PARTICLES POLARIZED DEUTERONS ROLF HAGEDORN Four quarks and an antiquark p5 New record for solid targets p7 The tale of a temperature p30 Solid State Microwave Amplifiers • Pulsed or CW to 12GHz Solid State Microwave Amplifiers Our Customers include: • Complete load mismatch tolerance CER; • Unbeatable power densities (eg lliW Broadband CW in 12u rack, 4kW/1kW at 1.3GHz/2.998GHz pulsed in 4u rack) • Pulse Width to 200 microsecs • Full Built-in Test • Water Cooled Option fk«i 6: a . c DESIGNERS AND MANUFACTURERS OF HIGH POWER MICROWAVE AMPLIFIERS AND SYSTEMS Milmega Ltd, Ryde Business Park, Nicholson Road, Ryde, Isle of Wight P033 1BQ UK Tel:+44(0) 1983 618005 Fax:+44(0) 1983 811521
[email protected] www.milmega.co.uk ...on your wavelength CONTENTS Covering current developments in high- energy physics and related fields worldwide CERN Courier (ISSN 0304-288X) is distributed to member state governments, institutes and laboratories affiliated with CERN, and to their personnel. It is published monthly, except for January and August, in English and French editions. The views expressed are CERN not necessarily those of the CERN management. Editor Christine Sutton CERN, 1211 Geneva 23, Switzerland E-mail:
[email protected] Fax: +41 (22) 782 1906 Web: cerncourier.com COURIER Advisory Board R Landua (Chairman), P Sphicas, K Potter, Volume 43 Number 7 September 2003 E Lillest0l, C Detraz, H Hoffmann, R Bailey