Order Processing Time
All orders placed on our website are processed within 2-4 business days, from Monday to Friday, 8:00 AM – 6:00 PM Pacific Time (PT). Orders received after our daily cut-off time of 10:00 PM PT will be processed on the next business day. Please note that we do not process orders on weekends or public holidays.
Shipping Methods and Carriers
Zetlly partners exclusively with reputable shipping carriers to ensure timely delivery of your orders. We utilize:
-
FedEx
-
UPS
-
USPS
The choice of carrier is determined by factors such as destination, weight, and delivery timeframe to provide optimal service.
Shipping Rates and Fees
-
Free shipping is provided for all orders over $199.
-
Orders under $199 will incur a flat-rate shipping fee of $7.99.
-
All orders shipped within the United States will be subject to a sales tax charge of 5%.
Estimated Delivery Time
Once shipped, orders typically arrive within 6 to 10 business days. Our delivery times are from Monday to Friday, 8:00 AM – 6:00 PM Pacific Time (PT). Please allow additional time for deliveries to remote or rural locations.
Shipping Restrictions
Zetlly currently ships exclusively within the United States. At present, we do not offer international shipping or deliveries to P.O. boxes or APO/FPO addresses. Orders placed with addresses outside our designated delivery areas will be canceled, and refunds will be processed accordingly.
Tracking Your Order
Upon shipment, customers will receive a confirmation email containing tracking information. You can track your order directly through the provided tracking link or by visiting the carrier’s official website:
Please allow up to 48 hours for tracking information to update in the carrier’s system.
Eligibility for Returns and Exchanges
We accept returns and exchanges within 30 days from the date your order is delivered. Items must be unused, in the original condition, and accompanied by the original packaging and receipt or proof of purchase.
How to Return or Exchange an Item
To initiate a return or exchange, please follow these steps:
-
Contact our customer support at contact@zetlly.com with your order number and reason for return or exchange.
-
Our team will respond within 24 hours to provide detailed instructions, including the specific Return Address for your shipment.
-
Package your item securely and include all original packaging and proof of purchase.
Return shipments should be sent to: Blanq LLC 1201 South Hope Street Apt 2413, Los Angeles, CA 90015, USA
Return Conditions
-
Items must be returned in their original condition, unworn, undamaged, and complete with all original packaging and documentation.
-
Items returned without prior authorization or not meeting the above conditions may not qualify for a refund or exchange.
Return Shipping Costs
Customers are responsible for return shipping costs unless the return is due to our error or a defective product. We recommend using a trackable shipping service to ensure your return reaches us safely.
Non-Returnable Items
The following items cannot be returned:
-
Digital products (e-books or downloadable content)
-
Personalized or customized items
-
Gift cards
Accepted Payment Methods
Zetlly accepts the following secure and widely trusted payment options:
-
PayPal: Easily pay through your PayPal account, benefiting from secure transactions and buyer protection.
-
Stripe: Pay securely using major credit and debit cards including Visa, MasterCard, American Express, and Discover via Stripe’s encrypted payment gateway.
Payment Security
At Zetlly, your security is our utmost priority. We utilize advanced encryption technologies and robust security protocols provided by PayPal and Stripe. All payment information entered on our site is encrypted using Secure Socket Layer (SSL) technology, ensuring your financial information remains private and secure throughout the transaction process.
Zetlly does not store any credit card or sensitive financial information directly on our servers, further enhancing the security and protection of your personal data.
Payment Process and Confirmation
Upon placing an order, your chosen payment method (PayPal or Stripe) will immediately process the transaction. You will receive an automated confirmation email shortly after your payment has been successfully completed, detailing your transaction and order summary.
Please retain this confirmation email for your records and reference in case of any inquiries or disputes.
Subatomic Physics 3rd Edition by Alejandro Garcia By: Ernest M Henley;Alejandro Garcia Publisher: WSPC Print ISBN: 9789812700568, 9812700560 other ISBN: 9789813101678, 9813101679 Edition: 3rdThis is the third and fully updated edition of the classic textbook on physics at the subatomic level. An up-to-date and lucid introduction to both particle and nuclear physics, the book is suitable for both experimental and theoretical physics students at the senior undergraduate and beginning graduate levels. Topics are introduced with key experiments and their background, encouraging students to think and empowering them with the capability of doing back-of-the-envelope calculations in a diversity of situations. Earlier important experiments and concepts as well as topics of current interest are covered, with extensive use of photographs and figures to convey principal concepts and show experimental data. The coverage includes new material on: Detectors and accelerators Nucleon elastic form factor data Neutrinos, their masses and oscillations Chiral theories and effective field theories, and lattice QCD Relativistic heavy ions (RHIC) Nuclear structure far from the region of stability Particle astrophysics and cosmology Contents: Background and Language Tools: Accelerators Passage of Radiation Through Matter Detectors Particles and Nuclei: The Subatomic Zoo Structure of Subatomic Particles Symmetries and Conservation Laws: Additive Conservation Laws Angular Momentum and Isospin P, C, CP, and T Interactions: The Electromagnetic Interaction The Weak Interaction Introduction to Gauge Theories The Electroweak Theory of the Standard Model Strong Interactions Models: Quark Models of Mesons and Baryons Liquid Drop Model, Fermi Gas Model, Heavy Ions The Shell Model Collective Model Nuclear and Particle Astrophysics Readership: Senior undergraduate students, beginning graduate students, and advanced engineering students. Key Features: A revised third edition of a classic textbook that includes the latest theoretical developments and most recent experimental results Emphasizes the development of students? skills in understanding a broad range of ideas Includes extensive problems at the end of each chapter Keywords: Standard Model of Particle Physics; Nuclear Physics; Symmetries; Conservation Laws; Quarks; Neutrinos; Astrophysics
Related products
Ebook New zetlly
Art Fundamentals Theory and Practice 12th dition by Otto Ocvirk
Ebook New zetlly
Industrial Process Automation Systems: Design and Implementation ?
Ebook New zetlly
Adam Smith: A Moral Philosopher and His Political Economy (Great Thinkers in Economics)